831 lines
78 KiB
HTML
831 lines
78 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html lang="en">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>LCOV - cov-sh.info - bash-4.4.23/sig.c</title>
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<link rel="stylesheet" type="text/css" href="../gcov.css">
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</head>
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<body>
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<table width="100%" border=0 cellspacing=0 cellpadding=0>
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<tr><td class="title">LCOV - code coverage report</td></tr>
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<tr><td class="ruler"><img src="../glass.png" width=3 height=3 alt=""></td></tr>
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<tr>
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<td width="100%">
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<table cellpadding=1 border=0 width="100%">
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<tr>
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<td width="10%" class="headerItem">Current view:</td>
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<td width="35%" class="headerValue"><a href="../index.html">top level</a> - <a href="index.html">bash-4.4.23</a> - sig.c<span style="font-size: 80%;"> (source / <a href="sig.c.func-sort-c.html">functions</a>)</span></td>
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<td width="5%"></td>
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<td width="15%"></td>
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<td width="10%" class="headerCovTableHead">Hit</td>
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<td width="10%" class="headerCovTableHead">Total</td>
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<td width="15%" class="headerCovTableHead">Coverage</td>
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</tr>
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<tr>
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<td class="headerItem">Test:</td>
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<td class="headerValue">cov-sh.info</td>
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<td></td>
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<td class="headerItem">Lines:</td>
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<td class="headerCovTableEntry">66</td>
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<td class="headerCovTableEntry">168</td>
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<td class="headerCovTableEntryLo">39.3 %</td>
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</tr>
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<tr>
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<td class="headerItem">Date:</td>
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<td class="headerValue">2020-10-29 14:49:55</td>
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<td></td>
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<td class="headerItem">Functions:</td>
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<td class="headerCovTableEntry">7</td>
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<td class="headerCovTableEntry">15</td>
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<td class="headerCovTableEntryLo">46.7 %</td>
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</tr>
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<tr><td><img src="../glass.png" width=3 height=3 alt=""></td></tr>
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</table>
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</td>
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</tr>
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<tr><td class="ruler"><img src="../glass.png" width=3 height=3 alt=""></td></tr>
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</table>
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<table cellpadding=0 cellspacing=0 border=0>
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<tr>
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<td><br></td>
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</tr>
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<tr>
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<pre class="sourceHeading"> Line data Source code</pre>
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<pre class="source">
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<a name="1"><span class="lineNum"> 1 </span> : /* sig.c - interface for shell signal handlers and signal initialization. */</a>
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<a name="2"><span class="lineNum"> 2 </span> : </a>
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<a name="3"><span class="lineNum"> 3 </span> : /* Copyright (C) 1994-2015 Free Software Foundation, Inc.</a>
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<a name="4"><span class="lineNum"> 4 </span> : </a>
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<a name="5"><span class="lineNum"> 5 </span> : This file is part of GNU Bash, the Bourne Again SHell.</a>
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<a name="6"><span class="lineNum"> 6 </span> : </a>
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<a name="7"><span class="lineNum"> 7 </span> : Bash is free software: you can redistribute it and/or modify</a>
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<a name="8"><span class="lineNum"> 8 </span> : it under the terms of the GNU General Public License as published by</a>
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<a name="9"><span class="lineNum"> 9 </span> : the Free Software Foundation, either version 3 of the License, or</a>
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<a name="10"><span class="lineNum"> 10 </span> : (at your option) any later version.</a>
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<a name="11"><span class="lineNum"> 11 </span> : </a>
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<a name="12"><span class="lineNum"> 12 </span> : Bash is distributed in the hope that it will be useful,</a>
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<a name="13"><span class="lineNum"> 13 </span> : but WITHOUT ANY WARRANTY; without even the implied warranty of</a>
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<a name="14"><span class="lineNum"> 14 </span> : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</a>
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<a name="15"><span class="lineNum"> 15 </span> : GNU General Public License for more details.</a>
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<a name="16"><span class="lineNum"> 16 </span> : </a>
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<a name="17"><span class="lineNum"> 17 </span> : You should have received a copy of the GNU General Public License</a>
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<a name="18"><span class="lineNum"> 18 </span> : along with Bash. If not, see <http://www.gnu.org/licenses/>.</a>
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<a name="19"><span class="lineNum"> 19 </span> : */</a>
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<a name="20"><span class="lineNum"> 20 </span> : </a>
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<a name="21"><span class="lineNum"> 21 </span> : #include "config.h"</a>
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<a name="22"><span class="lineNum"> 22 </span> : </a>
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<a name="23"><span class="lineNum"> 23 </span> : #include "bashtypes.h"</a>
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<a name="24"><span class="lineNum"> 24 </span> : </a>
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<a name="25"><span class="lineNum"> 25 </span> : #if defined (HAVE_UNISTD_H)</a>
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<a name="26"><span class="lineNum"> 26 </span> : # ifdef _MINIX</a>
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<a name="27"><span class="lineNum"> 27 </span> : # include <sys/types.h></a>
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<a name="28"><span class="lineNum"> 28 </span> : # endif</a>
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<a name="29"><span class="lineNum"> 29 </span> : # include <unistd.h></a>
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<a name="30"><span class="lineNum"> 30 </span> : #endif</a>
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<a name="31"><span class="lineNum"> 31 </span> : </a>
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<a name="32"><span class="lineNum"> 32 </span> : #include <stdio.h></a>
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<a name="33"><span class="lineNum"> 33 </span> : #include <signal.h></a>
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<a name="34"><span class="lineNum"> 34 </span> : </a>
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<a name="35"><span class="lineNum"> 35 </span> : #include "bashintl.h"</a>
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<a name="36"><span class="lineNum"> 36 </span> : </a>
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<a name="37"><span class="lineNum"> 37 </span> : #include "shell.h"</a>
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<a name="38"><span class="lineNum"> 38 </span> : #if defined (JOB_CONTROL)</a>
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<a name="39"><span class="lineNum"> 39 </span> : #include "jobs.h"</a>
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<a name="40"><span class="lineNum"> 40 </span> : #endif /* JOB_CONTROL */</a>
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<a name="41"><span class="lineNum"> 41 </span> : #include "siglist.h"</a>
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<a name="42"><span class="lineNum"> 42 </span> : #include "sig.h"</a>
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<a name="43"><span class="lineNum"> 43 </span> : #include "trap.h"</a>
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<a name="44"><span class="lineNum"> 44 </span> : </a>
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<a name="45"><span class="lineNum"> 45 </span> : #include "builtins/common.h"</a>
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<a name="46"><span class="lineNum"> 46 </span> : #include "builtins/builtext.h"</a>
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<a name="47"><span class="lineNum"> 47 </span> : </a>
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<a name="48"><span class="lineNum"> 48 </span> : #if defined (READLINE)</a>
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<a name="49"><span class="lineNum"> 49 </span> : # include "bashline.h"</a>
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<a name="50"><span class="lineNum"> 50 </span> : # include <readline/readline.h></a>
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<a name="51"><span class="lineNum"> 51 </span> : #endif</a>
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<a name="52"><span class="lineNum"> 52 </span> : </a>
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<a name="53"><span class="lineNum"> 53 </span> : #if defined (HISTORY)</a>
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<a name="54"><span class="lineNum"> 54 </span> : # include "bashhist.h"</a>
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<a name="55"><span class="lineNum"> 55 </span> : #endif</a>
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<a name="56"><span class="lineNum"> 56 </span> : </a>
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<a name="57"><span class="lineNum"> 57 </span> : extern int last_command_exit_value;</a>
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<a name="58"><span class="lineNum"> 58 </span> : extern int last_command_exit_signal;</a>
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<a name="59"><span class="lineNum"> 59 </span> : extern int return_catch_flag;</a>
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<a name="60"><span class="lineNum"> 60 </span> : extern int running_trap;</a>
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<a name="61"><span class="lineNum"> 61 </span> : extern int loop_level, continuing, breaking, funcnest;</a>
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<a name="62"><span class="lineNum"> 62 </span> : extern int executing_list;</a>
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<a name="63"><span class="lineNum"> 63 </span> : extern int comsub_ignore_return;</a>
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<a name="64"><span class="lineNum"> 64 </span> : extern int parse_and_execute_level, shell_initialized;</a>
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<a name="65"><span class="lineNum"> 65 </span> : #if defined (HISTORY)</a>
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<a name="66"><span class="lineNum"> 66 </span> : extern int history_lines_this_session;</a>
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<a name="67"><span class="lineNum"> 67 </span> : #endif</a>
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<a name="68"><span class="lineNum"> 68 </span> : extern int no_line_editing;</a>
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<a name="69"><span class="lineNum"> 69 </span> : extern int wait_signal_received;</a>
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<a name="70"><span class="lineNum"> 70 </span> : extern int wait_intr_flag;</a>
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<a name="71"><span class="lineNum"> 71 </span> : extern sh_builtin_func_t *this_shell_builtin;</a>
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<a name="72"><span class="lineNum"> 72 </span> : </a>
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<a name="73"><span class="lineNum"> 73 </span> : extern void initialize_siglist ();</a>
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<a name="74"><span class="lineNum"> 74 </span> : </a>
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<a name="75"><span class="lineNum"> 75 </span> : #if !defined (JOB_CONTROL)</a>
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<a name="76"><span class="lineNum"> 76 </span> : extern void initialize_job_signals __P((void));</a>
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<a name="77"><span class="lineNum"> 77 </span> : #endif</a>
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<a name="78"><span class="lineNum"> 78 </span> : </a>
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<a name="79"><span class="lineNum"> 79 </span> : /* Non-zero after SIGINT. */</a>
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<a name="80"><span class="lineNum"> 80 </span> : volatile sig_atomic_t interrupt_state = 0;</a>
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<a name="81"><span class="lineNum"> 81 </span> : </a>
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<a name="82"><span class="lineNum"> 82 </span> : /* Non-zero after SIGWINCH */</a>
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<a name="83"><span class="lineNum"> 83 </span> : volatile sig_atomic_t sigwinch_received = 0;</a>
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<a name="84"><span class="lineNum"> 84 </span> : </a>
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<a name="85"><span class="lineNum"> 85 </span> : /* Non-zero after SIGTERM */</a>
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<a name="86"><span class="lineNum"> 86 </span> : volatile sig_atomic_t sigterm_received = 0;</a>
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<a name="87"><span class="lineNum"> 87 </span> : </a>
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<a name="88"><span class="lineNum"> 88 </span> : /* Set to the value of any terminating signal received. */</a>
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<a name="89"><span class="lineNum"> 89 </span> : volatile sig_atomic_t terminating_signal = 0;</a>
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<a name="90"><span class="lineNum"> 90 </span> : </a>
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<a name="91"><span class="lineNum"> 91 </span> : /* The environment at the top-level R-E loop. We use this in</a>
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<a name="92"><span class="lineNum"> 92 </span> : the case of error return. */</a>
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<a name="93"><span class="lineNum"> 93 </span> : procenv_t top_level;</a>
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<a name="94"><span class="lineNum"> 94 </span> : </a>
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<a name="95"><span class="lineNum"> 95 </span> : #if defined (JOB_CONTROL) || defined (HAVE_POSIX_SIGNALS)</a>
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<a name="96"><span class="lineNum"> 96 </span> : /* The signal masks that this shell runs with. */</a>
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<a name="97"><span class="lineNum"> 97 </span> : sigset_t top_level_mask;</a>
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<a name="98"><span class="lineNum"> 98 </span> : #endif /* JOB_CONTROL */</a>
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<a name="99"><span class="lineNum"> 99 </span> : </a>
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<a name="100"><span class="lineNum"> 100 </span> : /* When non-zero, we throw_to_top_level (). */</a>
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<a name="101"><span class="lineNum"> 101 </span> : int interrupt_immediately = 0;</a>
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<a name="102"><span class="lineNum"> 102 </span> : </a>
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<a name="103"><span class="lineNum"> 103 </span> : /* When non-zero, we call the terminating signal handler immediately. */</a>
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<a name="104"><span class="lineNum"> 104 </span> : int terminate_immediately = 0;</a>
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<a name="105"><span class="lineNum"> 105 </span> : </a>
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<a name="106"><span class="lineNum"> 106 </span> : #if defined (SIGWINCH)</a>
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<a name="107"><span class="lineNum"> 107 </span> : static SigHandler *old_winch = (SigHandler *)SIG_DFL;</a>
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<a name="108"><span class="lineNum"> 108 </span> : #endif</a>
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<a name="109"><span class="lineNum"> 109 </span> : </a>
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<a name="110"><span class="lineNum"> 110 </span> : static void initialize_shell_signals __P((void));</a>
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<a name="111"><span class="lineNum"> 111 </span> : </a>
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<a name="112"><span class="lineNum"> 112 </span> : void</a>
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<a name="113"><span class="lineNum"> 113 </span><span class="lineCov"> 9542964 : initialize_signals (reinit)</span></a>
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<a name="114"><span class="lineNum"> 114 </span> : int reinit;</a>
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<a name="115"><span class="lineNum"> 115 </span> : {</a>
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<a name="116"><span class="lineNum"> 116 </span><span class="lineCov"> 9542964 : initialize_shell_signals ();</span></a>
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<a name="117"><span class="lineNum"> 117 </span><span class="lineCov"> 9542964 : initialize_job_signals ();</span></a>
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<a name="118"><span class="lineNum"> 118 </span> : #if !defined (HAVE_SYS_SIGLIST) && !defined (HAVE_UNDER_SYS_SIGLIST) && !defined (HAVE_STRSIGNAL)</a>
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<a name="119"><span class="lineNum"> 119 </span> : if (reinit == 0)</a>
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<a name="120"><span class="lineNum"> 120 </span> : initialize_siglist ();</a>
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<a name="121"><span class="lineNum"> 121 </span> : #endif /* !HAVE_SYS_SIGLIST && !HAVE_UNDER_SYS_SIGLIST && !HAVE_STRSIGNAL */</a>
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<a name="122"><span class="lineNum"> 122 </span><span class="lineCov"> 9542964 : }</span></a>
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<a name="123"><span class="lineNum"> 123 </span> : </a>
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<a name="124"><span class="lineNum"> 124 </span> : /* A structure describing a signal that terminates the shell if not</a>
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<a name="125"><span class="lineNum"> 125 </span> : caught. The orig_handler member is present so children can reset</a>
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<a name="126"><span class="lineNum"> 126 </span> : these signals back to their original handlers. */</a>
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<a name="127"><span class="lineNum"> 127 </span> : struct termsig {</a>
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<a name="128"><span class="lineNum"> 128 </span> : int signum;</a>
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<a name="129"><span class="lineNum"> 129 </span> : SigHandler *orig_handler;</a>
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<a name="130"><span class="lineNum"> 130 </span> : int orig_flags;</a>
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<a name="131"><span class="lineNum"> 131 </span> : };</a>
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<a name="132"><span class="lineNum"> 132 </span> : </a>
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<a name="133"><span class="lineNum"> 133 </span> : #define NULL_HANDLER (SigHandler *)SIG_DFL</a>
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<a name="134"><span class="lineNum"> 134 </span> : </a>
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<a name="135"><span class="lineNum"> 135 </span> : /* The list of signals that would terminate the shell if not caught.</a>
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<a name="136"><span class="lineNum"> 136 </span> : We catch them, but just so that we can write the history file,</a>
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<a name="137"><span class="lineNum"> 137 </span> : and so forth. */</a>
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<a name="138"><span class="lineNum"> 138 </span> : static struct termsig terminating_signals[] = {</a>
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<a name="139"><span class="lineNum"> 139 </span> : #ifdef SIGHUP</a>
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<a name="140"><span class="lineNum"> 140 </span> : { SIGHUP, NULL_HANDLER, 0 },</a>
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<a name="141"><span class="lineNum"> 141 </span> : #endif</a>
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<a name="142"><span class="lineNum"> 142 </span> : </a>
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<a name="143"><span class="lineNum"> 143 </span> : #ifdef SIGINT</a>
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<a name="144"><span class="lineNum"> 144 </span> : { SIGINT, NULL_HANDLER, 0 },</a>
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<a name="145"><span class="lineNum"> 145 </span> : #endif</a>
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<a name="146"><span class="lineNum"> 146 </span> : </a>
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<a name="147"><span class="lineNum"> 147 </span> : #ifdef SIGILL</a>
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<a name="148"><span class="lineNum"> 148 </span> : { SIGILL, NULL_HANDLER, 0 },</a>
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<a name="149"><span class="lineNum"> 149 </span> : #endif</a>
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<a name="150"><span class="lineNum"> 150 </span> : </a>
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<a name="151"><span class="lineNum"> 151 </span> : #ifdef SIGTRAP</a>
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<a name="152"><span class="lineNum"> 152 </span> : { SIGTRAP, NULL_HANDLER, 0 },</a>
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<a name="153"><span class="lineNum"> 153 </span> : #endif</a>
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<a name="154"><span class="lineNum"> 154 </span> : </a>
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<a name="155"><span class="lineNum"> 155 </span> : #ifdef SIGIOT</a>
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<a name="156"><span class="lineNum"> 156 </span> : { SIGIOT, NULL_HANDLER, 0 },</a>
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<a name="157"><span class="lineNum"> 157 </span> : #endif</a>
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<a name="158"><span class="lineNum"> 158 </span> : </a>
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<a name="159"><span class="lineNum"> 159 </span> : #ifdef SIGDANGER</a>
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<a name="160"><span class="lineNum"> 160 </span> : { SIGDANGER, NULL_HANDLER, 0 },</a>
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<a name="161"><span class="lineNum"> 161 </span> : #endif</a>
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<a name="162"><span class="lineNum"> 162 </span> : </a>
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<a name="163"><span class="lineNum"> 163 </span> : #ifdef SIGEMT</a>
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<a name="164"><span class="lineNum"> 164 </span> : { SIGEMT, NULL_HANDLER, 0 },</a>
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<a name="165"><span class="lineNum"> 165 </span> : #endif</a>
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<a name="166"><span class="lineNum"> 166 </span> : </a>
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<a name="167"><span class="lineNum"> 167 </span> : #ifdef SIGFPE</a>
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<a name="168"><span class="lineNum"> 168 </span> : { SIGFPE, NULL_HANDLER, 0 },</a>
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<a name="169"><span class="lineNum"> 169 </span> : #endif</a>
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<a name="170"><span class="lineNum"> 170 </span> : </a>
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<a name="171"><span class="lineNum"> 171 </span> : #ifdef SIGBUS</a>
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<a name="172"><span class="lineNum"> 172 </span> : { SIGBUS, NULL_HANDLER, 0 },</a>
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<a name="173"><span class="lineNum"> 173 </span> : #endif</a>
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<a name="174"><span class="lineNum"> 174 </span> : </a>
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<a name="175"><span class="lineNum"> 175 </span> : #ifdef SIGSEGV</a>
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<a name="176"><span class="lineNum"> 176 </span> : { SIGSEGV, NULL_HANDLER, 0 },</a>
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<a name="177"><span class="lineNum"> 177 </span> : #endif</a>
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<a name="178"><span class="lineNum"> 178 </span> : </a>
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<a name="179"><span class="lineNum"> 179 </span> : #ifdef SIGSYS</a>
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<a name="180"><span class="lineNum"> 180 </span> : { SIGSYS, NULL_HANDLER, 0 },</a>
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<a name="181"><span class="lineNum"> 181 </span> : #endif</a>
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<a name="182"><span class="lineNum"> 182 </span> : </a>
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<a name="183"><span class="lineNum"> 183 </span> : #ifdef SIGPIPE</a>
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<a name="184"><span class="lineNum"> 184 </span> : { SIGPIPE, NULL_HANDLER, 0 },</a>
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<a name="185"><span class="lineNum"> 185 </span> : #endif</a>
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<a name="186"><span class="lineNum"> 186 </span> : </a>
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<a name="187"><span class="lineNum"> 187 </span> : #ifdef SIGALRM</a>
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<a name="188"><span class="lineNum"> 188 </span> : { SIGALRM, NULL_HANDLER, 0 },</a>
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<a name="189"><span class="lineNum"> 189 </span> : #endif</a>
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<a name="190"><span class="lineNum"> 190 </span> : </a>
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<a name="191"><span class="lineNum"> 191 </span> : #ifdef SIGTERM</a>
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<a name="192"><span class="lineNum"> 192 </span> : { SIGTERM, NULL_HANDLER, 0 },</a>
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<a name="193"><span class="lineNum"> 193 </span> : #endif</a>
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<a name="194"><span class="lineNum"> 194 </span> : </a>
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<a name="195"><span class="lineNum"> 195 </span> : #ifdef SIGXCPU</a>
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<a name="196"><span class="lineNum"> 196 </span> : { SIGXCPU, NULL_HANDLER, 0 },</a>
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<a name="197"><span class="lineNum"> 197 </span> : #endif</a>
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<a name="198"><span class="lineNum"> 198 </span> : </a>
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<a name="199"><span class="lineNum"> 199 </span> : #ifdef SIGXFSZ</a>
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<a name="200"><span class="lineNum"> 200 </span> : { SIGXFSZ, NULL_HANDLER, 0 },</a>
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<a name="201"><span class="lineNum"> 201 </span> : #endif</a>
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<a name="202"><span class="lineNum"> 202 </span> : </a>
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<a name="203"><span class="lineNum"> 203 </span> : #ifdef SIGVTALRM</a>
|
|
<a name="204"><span class="lineNum"> 204 </span> : { SIGVTALRM, NULL_HANDLER, 0 },</a>
|
|
<a name="205"><span class="lineNum"> 205 </span> : #endif</a>
|
|
<a name="206"><span class="lineNum"> 206 </span> : </a>
|
|
<a name="207"><span class="lineNum"> 207 </span> : #if 0</a>
|
|
<a name="208"><span class="lineNum"> 208 </span> : #ifdef SIGPROF</a>
|
|
<a name="209"><span class="lineNum"> 209 </span> : { SIGPROF, NULL_HANDLER, 0 },</a>
|
|
<a name="210"><span class="lineNum"> 210 </span> : #endif</a>
|
|
<a name="211"><span class="lineNum"> 211 </span> : #endif</a>
|
|
<a name="212"><span class="lineNum"> 212 </span> : </a>
|
|
<a name="213"><span class="lineNum"> 213 </span> : #ifdef SIGLOST</a>
|
|
<a name="214"><span class="lineNum"> 214 </span> : { SIGLOST, NULL_HANDLER, 0 },</a>
|
|
<a name="215"><span class="lineNum"> 215 </span> : #endif</a>
|
|
<a name="216"><span class="lineNum"> 216 </span> : </a>
|
|
<a name="217"><span class="lineNum"> 217 </span> : #ifdef SIGUSR1</a>
|
|
<a name="218"><span class="lineNum"> 218 </span> : { SIGUSR1, NULL_HANDLER, 0 },</a>
|
|
<a name="219"><span class="lineNum"> 219 </span> : #endif</a>
|
|
<a name="220"><span class="lineNum"> 220 </span> : </a>
|
|
<a name="221"><span class="lineNum"> 221 </span> : #ifdef SIGUSR2</a>
|
|
<a name="222"><span class="lineNum"> 222 </span> : { SIGUSR2, NULL_HANDLER, 0 },</a>
|
|
<a name="223"><span class="lineNum"> 223 </span> : #endif</a>
|
|
<a name="224"><span class="lineNum"> 224 </span> : };</a>
|
|
<a name="225"><span class="lineNum"> 225 </span> : </a>
|
|
<a name="226"><span class="lineNum"> 226 </span> : #define TERMSIGS_LENGTH (sizeof (terminating_signals) / sizeof (struct termsig))</a>
|
|
<a name="227"><span class="lineNum"> 227 </span> : </a>
|
|
<a name="228"><span class="lineNum"> 228 </span> : #define XSIG(x) (terminating_signals[x].signum)</a>
|
|
<a name="229"><span class="lineNum"> 229 </span> : #define XHANDLER(x) (terminating_signals[x].orig_handler)</a>
|
|
<a name="230"><span class="lineNum"> 230 </span> : #define XSAFLAGS(x) (terminating_signals[x].orig_flags)</a>
|
|
<a name="231"><span class="lineNum"> 231 </span> : </a>
|
|
<a name="232"><span class="lineNum"> 232 </span> : static int termsigs_initialized = 0;</a>
|
|
<a name="233"><span class="lineNum"> 233 </span> : </a>
|
|
<a name="234"><span class="lineNum"> 234 </span> : /* Initialize signals that will terminate the shell to do some</a>
|
|
<a name="235"><span class="lineNum"> 235 </span> : unwind protection. For non-interactive shells, we only call</a>
|
|
<a name="236"><span class="lineNum"> 236 </span> : this when a trap is defined for EXIT (0) or when trap is run</a>
|
|
<a name="237"><span class="lineNum"> 237 </span> : to display signal dispositions. */</a>
|
|
<a name="238"><span class="lineNum"> 238 </span> : void</a>
|
|
<a name="239"><span class="lineNum"> 239 </span><span class="lineCov"> 108 : initialize_terminating_signals ()</span></a>
|
|
<a name="240"><span class="lineNum"> 240 </span> : {</a>
|
|
<a name="241"><span class="lineNum"> 241 </span><span class="lineCov"> 108 : register int i;</span></a>
|
|
<a name="242"><span class="lineNum"> 242 </span> : #if defined (HAVE_POSIX_SIGNALS)</a>
|
|
<a name="243"><span class="lineNum"> 243 </span><span class="lineCov"> 108 : struct sigaction act, oact;</span></a>
|
|
<a name="244"><span class="lineNum"> 244 </span> : #endif</a>
|
|
<a name="245"><span class="lineNum"> 245 </span> : </a>
|
|
<a name="246"><span class="lineNum"> 246 </span><span class="lineCov"> 108 : if (termsigs_initialized)</span></a>
|
|
<a name="247"><span class="lineNum"> 247 </span><span class="lineNoCov"> 0 : return;</span></a>
|
|
<a name="248"><span class="lineNum"> 248 </span> : </a>
|
|
<a name="249"><span class="lineNum"> 249 </span> : /* The following code is to avoid an expensive call to</a>
|
|
<a name="250"><span class="lineNum"> 250 </span> : set_signal_handler () for each terminating_signals. Fortunately,</a>
|
|
<a name="251"><span class="lineNum"> 251 </span> : this is possible in Posix. Unfortunately, we have to call signal ()</a>
|
|
<a name="252"><span class="lineNum"> 252 </span> : on non-Posix systems for each signal in terminating_signals. */</a>
|
|
<a name="253"><span class="lineNum"> 253 </span> : #if defined (HAVE_POSIX_SIGNALS)</a>
|
|
<a name="254"><span class="lineNum"> 254 </span><span class="lineCov"> 108 : act.sa_handler = termsig_sighandler;</span></a>
|
|
<a name="255"><span class="lineNum"> 255 </span><span class="lineCov"> 108 : act.sa_flags = 0;</span></a>
|
|
<a name="256"><span class="lineNum"> 256 </span><span class="lineCov"> 108 : sigemptyset (&act.sa_mask);</span></a>
|
|
<a name="257"><span class="lineNum"> 257 </span><span class="lineCov"> 108 : sigemptyset (&oact.sa_mask);</span></a>
|
|
<a name="258"><span class="lineNum"> 258 </span><span class="lineCov"> 1944 : for (i = 0; i < TERMSIGS_LENGTH; i++)</span></a>
|
|
<a name="259"><span class="lineNum"> 259 </span><span class="lineCov"> 1836 : sigaddset (&act.sa_mask, XSIG (i));</span></a>
|
|
<a name="260"><span class="lineNum"> 260 </span><span class="lineCov"> 1944 : for (i = 0; i < TERMSIGS_LENGTH; i++)</span></a>
|
|
<a name="261"><span class="lineNum"> 261 </span> : {</a>
|
|
<a name="262"><span class="lineNum"> 262 </span> : /* If we've already trapped it, don't do anything. */</a>
|
|
<a name="263"><span class="lineNum"> 263 </span><span class="lineCov"> 1836 : if (signal_is_trapped (XSIG (i)))</span></a>
|
|
<a name="264"><span class="lineNum"> 264 </span> : continue;</a>
|
|
<a name="265"><span class="lineNum"> 265 </span> : </a>
|
|
<a name="266"><span class="lineNum"> 266 </span><span class="lineCov"> 1836 : sigaction (XSIG (i), &act, &oact);</span></a>
|
|
<a name="267"><span class="lineNum"> 267 </span><span class="lineCov"> 1836 : XHANDLER(i) = oact.sa_handler;</span></a>
|
|
<a name="268"><span class="lineNum"> 268 </span><span class="lineCov"> 1836 : XSAFLAGS(i) = oact.sa_flags;</span></a>
|
|
<a name="269"><span class="lineNum"> 269 </span> : /* Don't do anything with signals that are ignored at shell entry</a>
|
|
<a name="270"><span class="lineNum"> 270 </span> : if the shell is not interactive. */</a>
|
|
<a name="271"><span class="lineNum"> 271 </span> : /* XXX - should we do this for interactive shells, too? */</a>
|
|
<a name="272"><span class="lineNum"> 272 </span><span class="lineCov"> 1836 : if (interactive_shell == 0 && XHANDLER (i) == SIG_IGN)</span></a>
|
|
<a name="273"><span class="lineNum"> 273 </span> : {</a>
|
|
<a name="274"><span class="lineNum"> 274 </span><span class="lineCov"> 108 : sigaction (XSIG (i), &oact, &act);</span></a>
|
|
<a name="275"><span class="lineNum"> 275 </span><span class="lineCov"> 108 : set_signal_hard_ignored (XSIG (i));</span></a>
|
|
<a name="276"><span class="lineNum"> 276 </span> : }</a>
|
|
<a name="277"><span class="lineNum"> 277 </span> : #if defined (SIGPROF) && !defined (_MINIX)</a>
|
|
<a name="278"><span class="lineNum"> 278 </span><span class="lineCov"> 1836 : if (XSIG (i) == SIGPROF && XHANDLER (i) != SIG_DFL && XHANDLER (i) != SIG_IGN)</span></a>
|
|
<a name="279"><span class="lineNum"> 279 </span><span class="lineNoCov"> 0 : sigaction (XSIG (i), &oact, (struct sigaction *)NULL);</span></a>
|
|
<a name="280"><span class="lineNum"> 280 </span> : #endif /* SIGPROF && !_MINIX */</a>
|
|
<a name="281"><span class="lineNum"> 281 </span> : }</a>
|
|
<a name="282"><span class="lineNum"> 282 </span> : </a>
|
|
<a name="283"><span class="lineNum"> 283 </span> : #else /* !HAVE_POSIX_SIGNALS */</a>
|
|
<a name="284"><span class="lineNum"> 284 </span> : </a>
|
|
<a name="285"><span class="lineNum"> 285 </span> : for (i = 0; i < TERMSIGS_LENGTH; i++)</a>
|
|
<a name="286"><span class="lineNum"> 286 </span> : {</a>
|
|
<a name="287"><span class="lineNum"> 287 </span> : /* If we've already trapped it, don't do anything. */</a>
|
|
<a name="288"><span class="lineNum"> 288 </span> : if (signal_is_trapped (XSIG (i)))</a>
|
|
<a name="289"><span class="lineNum"> 289 </span> : continue;</a>
|
|
<a name="290"><span class="lineNum"> 290 </span> : </a>
|
|
<a name="291"><span class="lineNum"> 291 </span> : XHANDLER(i) = signal (XSIG (i), termsig_sighandler);</a>
|
|
<a name="292"><span class="lineNum"> 292 </span> : XSAFLAGS(i) = 0;</a>
|
|
<a name="293"><span class="lineNum"> 293 </span> : /* Don't do anything with signals that are ignored at shell entry</a>
|
|
<a name="294"><span class="lineNum"> 294 </span> : if the shell is not interactive. */</a>
|
|
<a name="295"><span class="lineNum"> 295 </span> : /* XXX - should we do this for interactive shells, too? */</a>
|
|
<a name="296"><span class="lineNum"> 296 </span> : if (interactive_shell == 0 && XHANDLER (i) == SIG_IGN)</a>
|
|
<a name="297"><span class="lineNum"> 297 </span> : {</a>
|
|
<a name="298"><span class="lineNum"> 298 </span> : signal (XSIG (i), SIG_IGN);</a>
|
|
<a name="299"><span class="lineNum"> 299 </span> : set_signal_hard_ignored (XSIG (i));</a>
|
|
<a name="300"><span class="lineNum"> 300 </span> : }</a>
|
|
<a name="301"><span class="lineNum"> 301 </span> : #ifdef SIGPROF</a>
|
|
<a name="302"><span class="lineNum"> 302 </span> : if (XSIG (i) == SIGPROF && XHANDLER (i) != SIG_DFL && XHANDLER (i) != SIG_IGN)</a>
|
|
<a name="303"><span class="lineNum"> 303 </span> : signal (XSIG (i), XHANDLER (i));</a>
|
|
<a name="304"><span class="lineNum"> 304 </span> : #endif</a>
|
|
<a name="305"><span class="lineNum"> 305 </span> : }</a>
|
|
<a name="306"><span class="lineNum"> 306 </span> : </a>
|
|
<a name="307"><span class="lineNum"> 307 </span> : #endif /* !HAVE_POSIX_SIGNALS */</a>
|
|
<a name="308"><span class="lineNum"> 308 </span> : </a>
|
|
<a name="309"><span class="lineNum"> 309 </span><span class="lineCov"> 108 : termsigs_initialized = 1;</span></a>
|
|
<a name="310"><span class="lineNum"> 310 </span> : }</a>
|
|
<a name="311"><span class="lineNum"> 311 </span> : </a>
|
|
<a name="312"><span class="lineNum"> 312 </span> : static void</a>
|
|
<a name="313"><span class="lineNum"> 313 </span><span class="lineCov"> 9542964 : initialize_shell_signals ()</span></a>
|
|
<a name="314"><span class="lineNum"> 314 </span> : {</a>
|
|
<a name="315"><span class="lineNum"> 315 </span><span class="lineCov"> 9542964 : if (interactive)</span></a>
|
|
<a name="316"><span class="lineNum"> 316 </span><span class="lineNoCov"> 0 : initialize_terminating_signals ();</span></a>
|
|
<a name="317"><span class="lineNum"> 317 </span> : </a>
|
|
<a name="318"><span class="lineNum"> 318 </span> : #if defined (JOB_CONTROL) || defined (HAVE_POSIX_SIGNALS)</a>
|
|
<a name="319"><span class="lineNum"> 319 </span> : /* All shells use the signal mask they inherit, and pass it along</a>
|
|
<a name="320"><span class="lineNum"> 320 </span> : to child processes. Children will never block SIGCHLD, though. */</a>
|
|
<a name="321"><span class="lineNum"> 321 </span><span class="lineCov"> 9542964 : sigemptyset (&top_level_mask);</span></a>
|
|
<a name="322"><span class="lineNum"> 322 </span><span class="lineCov"> 9542964 : sigprocmask (SIG_BLOCK, (sigset_t *)NULL, &top_level_mask);</span></a>
|
|
<a name="323"><span class="lineNum"> 323 </span> : # if defined (SIGCHLD)</a>
|
|
<a name="324"><span class="lineNum"> 324 </span><span class="lineCov"> 9542964 : sigdelset (&top_level_mask, SIGCHLD);</span></a>
|
|
<a name="325"><span class="lineNum"> 325 </span> : # endif</a>
|
|
<a name="326"><span class="lineNum"> 326 </span> : #endif /* JOB_CONTROL || HAVE_POSIX_SIGNALS */</a>
|
|
<a name="327"><span class="lineNum"> 327 </span> : </a>
|
|
<a name="328"><span class="lineNum"> 328 </span> : /* And, some signals that are specifically ignored by the shell. */</a>
|
|
<a name="329"><span class="lineNum"> 329 </span><span class="lineCov"> 9542964 : set_signal_handler (SIGQUIT, SIG_IGN);</span></a>
|
|
<a name="330"><span class="lineNum"> 330 </span> : </a>
|
|
<a name="331"><span class="lineNum"> 331 </span><span class="lineCov"> 9542964 : if (interactive)</span></a>
|
|
<a name="332"><span class="lineNum"> 332 </span> : {</a>
|
|
<a name="333"><span class="lineNum"> 333 </span><span class="lineNoCov"> 0 : set_signal_handler (SIGINT, sigint_sighandler);</span></a>
|
|
<a name="334"><span class="lineNum"> 334 </span><span class="lineNoCov"> 0 : get_original_signal (SIGTERM);</span></a>
|
|
<a name="335"><span class="lineNum"> 335 </span><span class="lineNoCov"> 0 : if (signal_is_hard_ignored (SIGTERM) == 0)</span></a>
|
|
<a name="336"><span class="lineNum"> 336 </span><span class="lineNoCov"> 0 : set_signal_handler (SIGTERM, sigterm_sighandler);</span></a>
|
|
<a name="337"><span class="lineNum"> 337 </span><span class="lineNoCov"> 0 : set_sigwinch_handler ();</span></a>
|
|
<a name="338"><span class="lineNum"> 338 </span> : }</a>
|
|
<a name="339"><span class="lineNum"> 339 </span><span class="lineCov"> 9542964 : }</span></a>
|
|
<a name="340"><span class="lineNum"> 340 </span> : </a>
|
|
<a name="341"><span class="lineNum"> 341 </span> : void</a>
|
|
<a name="342"><span class="lineNum"> 342 </span><span class="lineCov"> 9460641 : reset_terminating_signals ()</span></a>
|
|
<a name="343"><span class="lineNum"> 343 </span> : {</a>
|
|
<a name="344"><span class="lineNum"> 344 </span><span class="lineCov"> 9460641 : register int i;</span></a>
|
|
<a name="345"><span class="lineNum"> 345 </span> : #if defined (HAVE_POSIX_SIGNALS)</a>
|
|
<a name="346"><span class="lineNum"> 346 </span><span class="lineCov"> 9460641 : struct sigaction act;</span></a>
|
|
<a name="347"><span class="lineNum"> 347 </span> : #endif</a>
|
|
<a name="348"><span class="lineNum"> 348 </span> : </a>
|
|
<a name="349"><span class="lineNum"> 349 </span><span class="lineCov"> 9460641 : if (termsigs_initialized == 0)</span></a>
|
|
<a name="350"><span class="lineNum"> 350 </span><span class="lineCov"> 9460584 : return;</span></a>
|
|
<a name="351"><span class="lineNum"> 351 </span> : </a>
|
|
<a name="352"><span class="lineNum"> 352 </span> : #if defined (HAVE_POSIX_SIGNALS)</a>
|
|
<a name="353"><span class="lineNum"> 353 </span><span class="lineCov"> 57 : act.sa_flags = 0;</span></a>
|
|
<a name="354"><span class="lineNum"> 354 </span><span class="lineCov"> 57 : sigemptyset (&act.sa_mask);</span></a>
|
|
<a name="355"><span class="lineNum"> 355 </span><span class="lineCov"> 1026 : for (i = 0; i < TERMSIGS_LENGTH; i++)</span></a>
|
|
<a name="356"><span class="lineNum"> 356 </span> : {</a>
|
|
<a name="357"><span class="lineNum"> 357 </span> : /* Skip a signal if it's trapped or handled specially, because the</a>
|
|
<a name="358"><span class="lineNum"> 358 </span> : trap code will restore the correct value. */</a>
|
|
<a name="359"><span class="lineNum"> 359 </span><span class="lineCov"> 969 : if (signal_is_trapped (XSIG (i)) || signal_is_special (XSIG (i)))</span></a>
|
|
<a name="360"><span class="lineNum"> 360 </span><span class="lineCov"> 57 : continue;</span></a>
|
|
<a name="361"><span class="lineNum"> 361 </span> : </a>
|
|
<a name="362"><span class="lineNum"> 362 </span><span class="lineCov"> 912 : act.sa_handler = XHANDLER (i);</span></a>
|
|
<a name="363"><span class="lineNum"> 363 </span><span class="lineCov"> 912 : act.sa_flags = XSAFLAGS (i);</span></a>
|
|
<a name="364"><span class="lineNum"> 364 </span><span class="lineCov"> 912 : sigaction (XSIG (i), &act, (struct sigaction *) NULL);</span></a>
|
|
<a name="365"><span class="lineNum"> 365 </span> : }</a>
|
|
<a name="366"><span class="lineNum"> 366 </span> : #else /* !HAVE_POSIX_SIGNALS */</a>
|
|
<a name="367"><span class="lineNum"> 367 </span> : for (i = 0; i < TERMSIGS_LENGTH; i++)</a>
|
|
<a name="368"><span class="lineNum"> 368 </span> : {</a>
|
|
<a name="369"><span class="lineNum"> 369 </span> : if (signal_is_trapped (XSIG (i)) || signal_is_special (XSIG (i)))</a>
|
|
<a name="370"><span class="lineNum"> 370 </span> : continue;</a>
|
|
<a name="371"><span class="lineNum"> 371 </span> : </a>
|
|
<a name="372"><span class="lineNum"> 372 </span> : signal (XSIG (i), XHANDLER (i));</a>
|
|
<a name="373"><span class="lineNum"> 373 </span> : }</a>
|
|
<a name="374"><span class="lineNum"> 374 </span> : #endif /* !HAVE_POSIX_SIGNALS */</a>
|
|
<a name="375"><span class="lineNum"> 375 </span> : </a>
|
|
<a name="376"><span class="lineNum"> 376 </span><span class="lineCov"> 57 : termsigs_initialized = 0;</span></a>
|
|
<a name="377"><span class="lineNum"> 377 </span> : }</a>
|
|
<a name="378"><span class="lineNum"> 378 </span> : #undef XSIG</a>
|
|
<a name="379"><span class="lineNum"> 379 </span> : #undef XHANDLER</a>
|
|
<a name="380"><span class="lineNum"> 380 </span> : </a>
|
|
<a name="381"><span class="lineNum"> 381 </span> : /* Run some of the cleanups that should be performed when we run</a>
|
|
<a name="382"><span class="lineNum"> 382 </span> : jump_to_top_level from a builtin command context. XXX - might want to</a>
|
|
<a name="383"><span class="lineNum"> 383 </span> : also call reset_parser here. */</a>
|
|
<a name="384"><span class="lineNum"> 384 </span> : void</a>
|
|
<a name="385"><span class="lineNum"> 385 </span><span class="lineCov"> 7100 : top_level_cleanup ()</span></a>
|
|
<a name="386"><span class="lineNum"> 386 </span> : {</a>
|
|
<a name="387"><span class="lineNum"> 387 </span> : /* Clean up string parser environment. */</a>
|
|
<a name="388"><span class="lineNum"> 388 </span><span class="lineCov"> 7100 : while (parse_and_execute_level)</span></a>
|
|
<a name="389"><span class="lineNum"> 389 </span><span class="lineNoCov"> 0 : parse_and_execute_cleanup ();</span></a>
|
|
<a name="390"><span class="lineNum"> 390 </span> : </a>
|
|
<a name="391"><span class="lineNum"> 391 </span> : #if defined (PROCESS_SUBSTITUTION)</a>
|
|
<a name="392"><span class="lineNum"> 392 </span><span class="lineCov"> 7100 : unlink_fifo_list ();</span></a>
|
|
<a name="393"><span class="lineNum"> 393 </span> : #endif /* PROCESS_SUBSTITUTION */</a>
|
|
<a name="394"><span class="lineNum"> 394 </span> : </a>
|
|
<a name="395"><span class="lineNum"> 395 </span><span class="lineCov"> 7100 : run_unwind_protects ();</span></a>
|
|
<a name="396"><span class="lineNum"> 396 </span><span class="lineCov"> 7100 : loop_level = continuing = breaking = funcnest = 0;</span></a>
|
|
<a name="397"><span class="lineNum"> 397 </span><span class="lineCov"> 7100 : executing_list = comsub_ignore_return = return_catch_flag = wait_intr_flag = 0;</span></a>
|
|
<a name="398"><span class="lineNum"> 398 </span><span class="lineCov"> 7100 : }</span></a>
|
|
<a name="399"><span class="lineNum"> 399 </span> : </a>
|
|
<a name="400"><span class="lineNum"> 400 </span> : /* What to do when we've been interrupted, and it is safe to handle it. */</a>
|
|
<a name="401"><span class="lineNum"> 401 </span> : void</a>
|
|
<a name="402"><span class="lineNum"> 402 </span><span class="lineNoCov"> 0 : throw_to_top_level ()</span></a>
|
|
<a name="403"><span class="lineNum"> 403 </span> : {</a>
|
|
<a name="404"><span class="lineNum"> 404 </span><span class="lineNoCov"> 0 : int print_newline = 0;</span></a>
|
|
<a name="405"><span class="lineNum"> 405 </span> : </a>
|
|
<a name="406"><span class="lineNum"> 406 </span><span class="lineNoCov"> 0 : if (interrupt_state)</span></a>
|
|
<a name="407"><span class="lineNum"> 407 </span> : {</a>
|
|
<a name="408"><span class="lineNum"> 408 </span><span class="lineNoCov"> 0 : if (last_command_exit_value < 128)</span></a>
|
|
<a name="409"><span class="lineNum"> 409 </span><span class="lineNoCov"> 0 : last_command_exit_value = 128 + SIGINT;</span></a>
|
|
<a name="410"><span class="lineNum"> 410 </span><span class="lineNoCov"> 0 : print_newline = 1;</span></a>
|
|
<a name="411"><span class="lineNum"> 411 </span><span class="lineNoCov"> 0 : DELINTERRUPT;</span></a>
|
|
<a name="412"><span class="lineNum"> 412 </span> : }</a>
|
|
<a name="413"><span class="lineNum"> 413 </span> : </a>
|
|
<a name="414"><span class="lineNum"> 414 </span><span class="lineNoCov"> 0 : if (interrupt_state)</span></a>
|
|
<a name="415"><span class="lineNum"> 415 </span><span class="lineNoCov"> 0 : return;</span></a>
|
|
<a name="416"><span class="lineNum"> 416 </span> : </a>
|
|
<a name="417"><span class="lineNum"> 417 </span><span class="lineNoCov"> 0 : last_command_exit_signal = (last_command_exit_value > 128) ?</span></a>
|
|
<a name="418"><span class="lineNum"> 418 </span><span class="lineNoCov"> 0 : (last_command_exit_value - 128) : 0;</span></a>
|
|
<a name="419"><span class="lineNum"> 419 </span><span class="lineNoCov"> 0 : last_command_exit_value |= 128;</span></a>
|
|
<a name="420"><span class="lineNum"> 420 </span> : </a>
|
|
<a name="421"><span class="lineNum"> 421 </span> : /* Run any traps set on SIGINT, mostly for interactive shells */</a>
|
|
<a name="422"><span class="lineNum"> 422 </span><span class="lineNoCov"> 0 : if (signal_is_trapped (SIGINT))</span></a>
|
|
<a name="423"><span class="lineNum"> 423 </span><span class="lineNoCov"> 0 : run_interrupt_trap (1);</span></a>
|
|
<a name="424"><span class="lineNum"> 424 </span> : </a>
|
|
<a name="425"><span class="lineNum"> 425 </span> : /* Clean up string parser environment. */</a>
|
|
<a name="426"><span class="lineNum"> 426 </span><span class="lineNoCov"> 0 : while (parse_and_execute_level)</span></a>
|
|
<a name="427"><span class="lineNum"> 427 </span><span class="lineNoCov"> 0 : parse_and_execute_cleanup ();</span></a>
|
|
<a name="428"><span class="lineNum"> 428 </span> : </a>
|
|
<a name="429"><span class="lineNum"> 429 </span><span class="lineNoCov"> 0 : if (running_trap > 0)</span></a>
|
|
<a name="430"><span class="lineNum"> 430 </span><span class="lineNoCov"> 0 : run_trap_cleanup (running_trap - 1);</span></a>
|
|
<a name="431"><span class="lineNum"> 431 </span> : </a>
|
|
<a name="432"><span class="lineNum"> 432 </span> : #if defined (JOB_CONTROL)</a>
|
|
<a name="433"><span class="lineNum"> 433 </span><span class="lineNoCov"> 0 : give_terminal_to (shell_pgrp, 0);</span></a>
|
|
<a name="434"><span class="lineNum"> 434 </span> : #endif /* JOB_CONTROL */</a>
|
|
<a name="435"><span class="lineNum"> 435 </span> : </a>
|
|
<a name="436"><span class="lineNum"> 436 </span> : #if defined (JOB_CONTROL) || defined (HAVE_POSIX_SIGNALS)</a>
|
|
<a name="437"><span class="lineNum"> 437 </span> : /* This needs to stay because jobs.c:make_child() uses it without resetting</a>
|
|
<a name="438"><span class="lineNum"> 438 </span> : the signal mask. */</a>
|
|
<a name="439"><span class="lineNum"> 439 </span><span class="lineNoCov"> 0 : sigprocmask (SIG_SETMASK, &top_level_mask, (sigset_t *)NULL);</span></a>
|
|
<a name="440"><span class="lineNum"> 440 </span> : #endif</a>
|
|
<a name="441"><span class="lineNum"> 441 </span> : </a>
|
|
<a name="442"><span class="lineNum"> 442 </span><span class="lineNoCov"> 0 : reset_parser ();</span></a>
|
|
<a name="443"><span class="lineNum"> 443 </span> : </a>
|
|
<a name="444"><span class="lineNum"> 444 </span> : #if defined (READLINE)</a>
|
|
<a name="445"><span class="lineNum"> 445 </span> : if (interactive)</a>
|
|
<a name="446"><span class="lineNum"> 446 </span> : bashline_reset ();</a>
|
|
<a name="447"><span class="lineNum"> 447 </span> : #endif /* READLINE */</a>
|
|
<a name="448"><span class="lineNum"> 448 </span> : </a>
|
|
<a name="449"><span class="lineNum"> 449 </span> : #if defined (PROCESS_SUBSTITUTION)</a>
|
|
<a name="450"><span class="lineNum"> 450 </span><span class="lineNoCov"> 0 : unlink_fifo_list ();</span></a>
|
|
<a name="451"><span class="lineNum"> 451 </span> : #endif /* PROCESS_SUBSTITUTION */</a>
|
|
<a name="452"><span class="lineNum"> 452 </span> : </a>
|
|
<a name="453"><span class="lineNum"> 453 </span><span class="lineNoCov"> 0 : run_unwind_protects ();</span></a>
|
|
<a name="454"><span class="lineNum"> 454 </span><span class="lineNoCov"> 0 : loop_level = continuing = breaking = funcnest = 0;</span></a>
|
|
<a name="455"><span class="lineNum"> 455 </span><span class="lineNoCov"> 0 : executing_list = comsub_ignore_return = return_catch_flag = wait_intr_flag = 0;</span></a>
|
|
<a name="456"><span class="lineNum"> 456 </span> : </a>
|
|
<a name="457"><span class="lineNum"> 457 </span><span class="lineNoCov"> 0 : if (interactive && print_newline)</span></a>
|
|
<a name="458"><span class="lineNum"> 458 </span> : {</a>
|
|
<a name="459"><span class="lineNum"> 459 </span><span class="lineNoCov"> 0 : fflush (stdout);</span></a>
|
|
<a name="460"><span class="lineNum"> 460 </span><span class="lineNoCov"> 0 : fprintf (stderr, "\n");</span></a>
|
|
<a name="461"><span class="lineNum"> 461 </span><span class="lineNoCov"> 0 : fflush (stderr);</span></a>
|
|
<a name="462"><span class="lineNum"> 462 </span> : }</a>
|
|
<a name="463"><span class="lineNum"> 463 </span> : </a>
|
|
<a name="464"><span class="lineNum"> 464 </span> : /* An interrupted `wait' command in a script does not exit the script. */</a>
|
|
<a name="465"><span class="lineNum"> 465 </span><span class="lineNoCov"> 0 : if (interactive || (interactive_shell && !shell_initialized) ||</span></a>
|
|
<a name="466"><span class="lineNum"> 466 </span><span class="lineNoCov"> 0 : (print_newline && signal_is_trapped (SIGINT)))</span></a>
|
|
<a name="467"><span class="lineNum"> 467 </span><span class="lineNoCov"> 0 : jump_to_top_level (DISCARD);</span></a>
|
|
<a name="468"><span class="lineNum"> 468 </span> : else</a>
|
|
<a name="469"><span class="lineNum"> 469 </span><span class="lineNoCov"> 0 : jump_to_top_level (EXITPROG);</span></a>
|
|
<a name="470"><span class="lineNum"> 470 </span> : }</a>
|
|
<a name="471"><span class="lineNum"> 471 </span> : </a>
|
|
<a name="472"><span class="lineNum"> 472 </span> : /* This is just here to isolate the longjmp calls. */</a>
|
|
<a name="473"><span class="lineNum"> 473 </span> : void</a>
|
|
<a name="474"><span class="lineNum"> 474 </span><span class="lineCov"> 7342653 : jump_to_top_level (value)</span></a>
|
|
<a name="475"><span class="lineNum"> 475 </span> : int value;</a>
|
|
<a name="476"><span class="lineNum"> 476 </span> : {</a>
|
|
<a name="477"><span class="lineNum"> 477 </span><span class="lineCov"> 7342653 : sh_longjmp (top_level, value);</span></a>
|
|
<a name="478"><span class="lineNum"> 478 </span> : }</a>
|
|
<a name="479"><span class="lineNum"> 479 </span> : </a>
|
|
<a name="480"><span class="lineNum"> 480 </span> : sighandler</a>
|
|
<a name="481"><span class="lineNum"> 481 </span><span class="lineNoCov"> 0 : termsig_sighandler (sig)</span></a>
|
|
<a name="482"><span class="lineNum"> 482 </span> : int sig;</a>
|
|
<a name="483"><span class="lineNum"> 483 </span> : {</a>
|
|
<a name="484"><span class="lineNum"> 484 </span> : /* If we get called twice with the same signal before handling it,</a>
|
|
<a name="485"><span class="lineNum"> 485 </span> : terminate right away. */</a>
|
|
<a name="486"><span class="lineNum"> 486 </span><span class="lineNoCov"> 0 : if (</span></a>
|
|
<a name="487"><span class="lineNum"> 487 </span> : #ifdef SIGHUP</a>
|
|
<a name="488"><span class="lineNum"> 488 </span><span class="lineNoCov"> 0 : sig != SIGHUP &&</span></a>
|
|
<a name="489"><span class="lineNum"> 489 </span> : #endif</a>
|
|
<a name="490"><span class="lineNum"> 490 </span> : #ifdef SIGINT</a>
|
|
<a name="491"><span class="lineNum"> 491 </span><span class="lineNoCov"> 0 : sig != SIGINT &&</span></a>
|
|
<a name="492"><span class="lineNum"> 492 </span> : #endif</a>
|
|
<a name="493"><span class="lineNum"> 493 </span> : #ifdef SIGDANGER</a>
|
|
<a name="494"><span class="lineNum"> 494 </span> : sig != SIGDANGER &&</a>
|
|
<a name="495"><span class="lineNum"> 495 </span> : #endif</a>
|
|
<a name="496"><span class="lineNum"> 496 </span> : #ifdef SIGPIPE</a>
|
|
<a name="497"><span class="lineNum"> 497 </span><span class="lineNoCov"> 0 : sig != SIGPIPE &&</span></a>
|
|
<a name="498"><span class="lineNum"> 498 </span> : #endif</a>
|
|
<a name="499"><span class="lineNum"> 499 </span> : #ifdef SIGALRM</a>
|
|
<a name="500"><span class="lineNum"> 500 </span><span class="lineNoCov"> 0 : sig != SIGALRM &&</span></a>
|
|
<a name="501"><span class="lineNum"> 501 </span> : #endif</a>
|
|
<a name="502"><span class="lineNum"> 502 </span> : #ifdef SIGTERM</a>
|
|
<a name="503"><span class="lineNum"> 503 </span> : sig != SIGTERM &&</a>
|
|
<a name="504"><span class="lineNum"> 504 </span> : #endif</a>
|
|
<a name="505"><span class="lineNum"> 505 </span> : #ifdef SIGXCPU</a>
|
|
<a name="506"><span class="lineNum"> 506 </span><span class="lineNoCov"> 0 : sig != SIGXCPU &&</span></a>
|
|
<a name="507"><span class="lineNum"> 507 </span> : #endif</a>
|
|
<a name="508"><span class="lineNum"> 508 </span> : #ifdef SIGXFSZ</a>
|
|
<a name="509"><span class="lineNum"> 509 </span> : sig != SIGXFSZ &&</a>
|
|
<a name="510"><span class="lineNum"> 510 </span> : #endif</a>
|
|
<a name="511"><span class="lineNum"> 511 </span> : #ifdef SIGVTALRM</a>
|
|
<a name="512"><span class="lineNum"> 512 </span><span class="lineNoCov"> 0 : sig != SIGVTALRM &&</span></a>
|
|
<a name="513"><span class="lineNum"> 513 </span> : #endif</a>
|
|
<a name="514"><span class="lineNum"> 514 </span> : #ifdef SIGLOST</a>
|
|
<a name="515"><span class="lineNum"> 515 </span> : sig != SIGLOST &&</a>
|
|
<a name="516"><span class="lineNum"> 516 </span> : #endif</a>
|
|
<a name="517"><span class="lineNum"> 517 </span> : #ifdef SIGUSR1</a>
|
|
<a name="518"><span class="lineNum"> 518 </span><span class="lineNoCov"> 0 : sig != SIGUSR1 &&</span></a>
|
|
<a name="519"><span class="lineNum"> 519 </span> : #endif</a>
|
|
<a name="520"><span class="lineNum"> 520 </span> : #ifdef SIGUSR2</a>
|
|
<a name="521"><span class="lineNum"> 521 </span><span class="lineNoCov"> 0 : sig != SIGUSR2 &&</span></a>
|
|
<a name="522"><span class="lineNum"> 522 </span> : #endif</a>
|
|
<a name="523"><span class="lineNum"> 523 </span><span class="lineNoCov"> 0 : sig == terminating_signal)</span></a>
|
|
<a name="524"><span class="lineNum"> 524 </span><span class="lineNoCov"> 0 : terminate_immediately = 1;</span></a>
|
|
<a name="525"><span class="lineNum"> 525 </span> : </a>
|
|
<a name="526"><span class="lineNum"> 526 </span><span class="lineNoCov"> 0 : terminating_signal = sig;</span></a>
|
|
<a name="527"><span class="lineNum"> 527 </span> : </a>
|
|
<a name="528"><span class="lineNum"> 528 </span> : /* XXX - should this also trigger when interrupt_immediately is set? */</a>
|
|
<a name="529"><span class="lineNum"> 529 </span><span class="lineNoCov"> 0 : if (terminate_immediately)</span></a>
|
|
<a name="530"><span class="lineNum"> 530 </span> : {</a>
|
|
<a name="531"><span class="lineNum"> 531 </span> : #if defined (HISTORY)</a>
|
|
<a name="532"><span class="lineNum"> 532 </span> : /* XXX - will inhibit history file being written */</a>
|
|
<a name="533"><span class="lineNum"> 533 </span> : # if defined (READLINE)</a>
|
|
<a name="534"><span class="lineNum"> 534 </span> : if (interactive_shell == 0 || interactive == 0 || (sig != SIGHUP && sig != SIGTERM) || no_line_editing || (RL_ISSTATE (RL_STATE_READCMD) == 0))</a>
|
|
<a name="535"><span class="lineNum"> 535 </span> : # endif</a>
|
|
<a name="536"><span class="lineNum"> 536 </span> : history_lines_this_session = 0;</a>
|
|
<a name="537"><span class="lineNum"> 537 </span> : #endif</a>
|
|
<a name="538"><span class="lineNum"> 538 </span><span class="lineNoCov"> 0 : terminate_immediately = 0;</span></a>
|
|
<a name="539"><span class="lineNum"> 539 </span><span class="lineNoCov"> 0 : termsig_handler (sig);</span></a>
|
|
<a name="540"><span class="lineNum"> 540 </span> : }</a>
|
|
<a name="541"><span class="lineNum"> 541 </span> : </a>
|
|
<a name="542"><span class="lineNum"> 542 </span> : #if defined (READLINE)</a>
|
|
<a name="543"><span class="lineNum"> 543 </span> : /* Set the event hook so readline will call it after the signal handlers</a>
|
|
<a name="544"><span class="lineNum"> 544 </span> : finish executing, so if this interrupted character input we can get</a>
|
|
<a name="545"><span class="lineNum"> 545 </span> : quick response. If readline is active or has modified the terminal we</a>
|
|
<a name="546"><span class="lineNum"> 546 </span> : need to set this no matter what the signal is, though the check for</a>
|
|
<a name="547"><span class="lineNum"> 547 </span> : RL_STATE_TERMPREPPED is possibly redundant. */</a>
|
|
<a name="548"><span class="lineNum"> 548 </span> : if (RL_ISSTATE (RL_STATE_SIGHANDLER) || RL_ISSTATE (RL_STATE_TERMPREPPED))</a>
|
|
<a name="549"><span class="lineNum"> 549 </span> : bashline_set_event_hook ();</a>
|
|
<a name="550"><span class="lineNum"> 550 </span> : #endif</a>
|
|
<a name="551"><span class="lineNum"> 551 </span> : </a>
|
|
<a name="552"><span class="lineNum"> 552 </span><span class="lineNoCov"> 0 : SIGRETURN (0);</span></a>
|
|
<a name="553"><span class="lineNum"> 553 </span> : }</a>
|
|
<a name="554"><span class="lineNum"> 554 </span> : </a>
|
|
<a name="555"><span class="lineNum"> 555 </span> : void</a>
|
|
<a name="556"><span class="lineNum"> 556 </span><span class="lineNoCov"> 0 : termsig_handler (sig)</span></a>
|
|
<a name="557"><span class="lineNum"> 557 </span> : int sig;</a>
|
|
<a name="558"><span class="lineNum"> 558 </span> : {</a>
|
|
<a name="559"><span class="lineNum"> 559 </span><span class="lineNoCov"> 0 : static int handling_termsig = 0;</span></a>
|
|
<a name="560"><span class="lineNum"> 560 </span> : </a>
|
|
<a name="561"><span class="lineNum"> 561 </span> : /* Simple semaphore to keep this function from being executed multiple</a>
|
|
<a name="562"><span class="lineNum"> 562 </span> : times. Since we no longer are running as a signal handler, we don't</a>
|
|
<a name="563"><span class="lineNum"> 563 </span> : block multiple occurrences of the terminating signals while running. */</a>
|
|
<a name="564"><span class="lineNum"> 564 </span><span class="lineNoCov"> 0 : if (handling_termsig)</span></a>
|
|
<a name="565"><span class="lineNum"> 565 </span> : return;</a>
|
|
<a name="566"><span class="lineNum"> 566 </span><span class="lineNoCov"> 0 : handling_termsig = 1;</span></a>
|
|
<a name="567"><span class="lineNum"> 567 </span><span class="lineNoCov"> 0 : terminating_signal = 0; /* keep macro from re-testing true. */</span></a>
|
|
<a name="568"><span class="lineNum"> 568 </span> : </a>
|
|
<a name="569"><span class="lineNum"> 569 </span> : /* I don't believe this condition ever tests true. */</a>
|
|
<a name="570"><span class="lineNum"> 570 </span><span class="lineNoCov"> 0 : if (sig == SIGINT && signal_is_trapped (SIGINT))</span></a>
|
|
<a name="571"><span class="lineNum"> 571 </span><span class="lineNoCov"> 0 : run_interrupt_trap (0);</span></a>
|
|
<a name="572"><span class="lineNum"> 572 </span> : </a>
|
|
<a name="573"><span class="lineNum"> 573 </span> : #if defined (HISTORY)</a>
|
|
<a name="574"><span class="lineNum"> 574 </span> : /* If we don't do something like this, the history will not be saved when</a>
|
|
<a name="575"><span class="lineNum"> 575 </span> : an interactive shell is running in a terminal window that gets closed</a>
|
|
<a name="576"><span class="lineNum"> 576 </span> : with the `close' button. We can't test for RL_STATE_READCMD because</a>
|
|
<a name="577"><span class="lineNum"> 577 </span> : readline no longer handles SIGTERM synchronously. */</a>
|
|
<a name="578"><span class="lineNum"> 578 </span> : if (interactive_shell && interactive && (sig == SIGHUP || sig == SIGTERM) && remember_on_history)</a>
|
|
<a name="579"><span class="lineNum"> 579 </span> : maybe_save_shell_history ();</a>
|
|
<a name="580"><span class="lineNum"> 580 </span> : #endif /* HISTORY */</a>
|
|
<a name="581"><span class="lineNum"> 581 </span> : </a>
|
|
<a name="582"><span class="lineNum"> 582 </span><span class="lineNoCov"> 0 : if (this_shell_builtin == read_builtin)</span></a>
|
|
<a name="583"><span class="lineNum"> 583 </span><span class="lineNoCov"> 0 : read_tty_cleanup ();</span></a>
|
|
<a name="584"><span class="lineNum"> 584 </span> : </a>
|
|
<a name="585"><span class="lineNum"> 585 </span> : #if defined (JOB_CONTROL)</a>
|
|
<a name="586"><span class="lineNum"> 586 </span><span class="lineNoCov"> 0 : if (sig == SIGHUP && (interactive || (subshell_environment & (SUBSHELL_COMSUB|SUBSHELL_PROCSUB))))</span></a>
|
|
<a name="587"><span class="lineNum"> 587 </span><span class="lineNoCov"> 0 : hangup_all_jobs ();</span></a>
|
|
<a name="588"><span class="lineNum"> 588 </span><span class="lineNoCov"> 0 : if ((subshell_environment & (SUBSHELL_COMSUB|SUBSHELL_PROCSUB)) == 0)</span></a>
|
|
<a name="589"><span class="lineNum"> 589 </span><span class="lineNoCov"> 0 : end_job_control ();</span></a>
|
|
<a name="590"><span class="lineNum"> 590 </span> : #endif /* JOB_CONTROL */</a>
|
|
<a name="591"><span class="lineNum"> 591 </span> : </a>
|
|
<a name="592"><span class="lineNum"> 592 </span> : #if defined (PROCESS_SUBSTITUTION)</a>
|
|
<a name="593"><span class="lineNum"> 593 </span><span class="lineNoCov"> 0 : unlink_fifo_list ();</span></a>
|
|
<a name="594"><span class="lineNum"> 594 </span> : #endif /* PROCESS_SUBSTITUTION */</a>
|
|
<a name="595"><span class="lineNum"> 595 </span> : </a>
|
|
<a name="596"><span class="lineNum"> 596 </span> : /* Reset execution context */</a>
|
|
<a name="597"><span class="lineNum"> 597 </span><span class="lineNoCov"> 0 : loop_level = continuing = breaking = funcnest = 0;</span></a>
|
|
<a name="598"><span class="lineNum"> 598 </span><span class="lineNoCov"> 0 : executing_list = comsub_ignore_return = return_catch_flag = wait_intr_flag = 0;</span></a>
|
|
<a name="599"><span class="lineNum"> 599 </span> : </a>
|
|
<a name="600"><span class="lineNum"> 600 </span><span class="lineNoCov"> 0 : run_exit_trap (); /* XXX - run exit trap possibly in signal context? */</span></a>
|
|
<a name="601"><span class="lineNum"> 601 </span><span class="lineNoCov"> 0 : set_signal_handler (sig, SIG_DFL);</span></a>
|
|
<a name="602"><span class="lineNum"> 602 </span><span class="lineNoCov"> 0 : kill (getpid (), sig);</span></a>
|
|
<a name="603"><span class="lineNum"> 603 </span> : }</a>
|
|
<a name="604"><span class="lineNum"> 604 </span> : </a>
|
|
<a name="605"><span class="lineNum"> 605 </span> : /* What we really do when SIGINT occurs. */</a>
|
|
<a name="606"><span class="lineNum"> 606 </span> : sighandler</a>
|
|
<a name="607"><span class="lineNum"> 607 </span><span class="lineNoCov"> 0 : sigint_sighandler (sig)</span></a>
|
|
<a name="608"><span class="lineNum"> 608 </span> : int sig;</a>
|
|
<a name="609"><span class="lineNum"> 609 </span> : {</a>
|
|
<a name="610"><span class="lineNum"> 610 </span> : #if defined (MUST_REINSTALL_SIGHANDLERS)</a>
|
|
<a name="611"><span class="lineNum"> 611 </span> : signal (sig, sigint_sighandler);</a>
|
|
<a name="612"><span class="lineNum"> 612 </span> : #endif</a>
|
|
<a name="613"><span class="lineNum"> 613 </span> : </a>
|
|
<a name="614"><span class="lineNum"> 614 </span> : /* interrupt_state needs to be set for the stack of interrupts to work</a>
|
|
<a name="615"><span class="lineNum"> 615 </span> : right. Should it be set unconditionally? */</a>
|
|
<a name="616"><span class="lineNum"> 616 </span><span class="lineNoCov"> 0 : if (interrupt_state == 0)</span></a>
|
|
<a name="617"><span class="lineNum"> 617 </span><span class="lineNoCov"> 0 : ADDINTERRUPT;</span></a>
|
|
<a name="618"><span class="lineNum"> 618 </span> : </a>
|
|
<a name="619"><span class="lineNum"> 619 </span> : /* We will get here in interactive shells with job control active; allow</a>
|
|
<a name="620"><span class="lineNum"> 620 </span> : an interactive wait to be interrupted. wait_intr_flag is only set during</a>
|
|
<a name="621"><span class="lineNum"> 621 </span> : the execution of the wait builtin and when wait_intr_buf is valid. */</a>
|
|
<a name="622"><span class="lineNum"> 622 </span><span class="lineNoCov"> 0 : if (wait_intr_flag)</span></a>
|
|
<a name="623"><span class="lineNum"> 623 </span> : {</a>
|
|
<a name="624"><span class="lineNum"> 624 </span><span class="lineNoCov"> 0 : last_command_exit_value = 128 + sig;</span></a>
|
|
<a name="625"><span class="lineNum"> 625 </span><span class="lineNoCov"> 0 : wait_signal_received = sig;</span></a>
|
|
<a name="626"><span class="lineNum"> 626 </span><span class="lineNoCov"> 0 : SIGRETURN (0);</span></a>
|
|
<a name="627"><span class="lineNum"> 627 </span> : }</a>
|
|
<a name="628"><span class="lineNum"> 628 </span> : </a>
|
|
<a name="629"><span class="lineNum"> 629 </span><span class="lineNoCov"> 0 : if (interrupt_immediately)</span></a>
|
|
<a name="630"><span class="lineNum"> 630 </span> : {</a>
|
|
<a name="631"><span class="lineNum"> 631 </span><span class="lineNoCov"> 0 : interrupt_immediately = 0;</span></a>
|
|
<a name="632"><span class="lineNum"> 632 </span><span class="lineNoCov"> 0 : last_command_exit_value = 128 + sig;</span></a>
|
|
<a name="633"><span class="lineNum"> 633 </span><span class="lineNoCov"> 0 : throw_to_top_level ();</span></a>
|
|
<a name="634"><span class="lineNum"> 634 </span> : }</a>
|
|
<a name="635"><span class="lineNum"> 635 </span> : #if defined (READLINE)</a>
|
|
<a name="636"><span class="lineNum"> 636 </span> : /* Set the event hook so readline will call it after the signal handlers</a>
|
|
<a name="637"><span class="lineNum"> 637 </span> : finish executing, so if this interrupted character input we can get</a>
|
|
<a name="638"><span class="lineNum"> 638 </span> : quick response. */</a>
|
|
<a name="639"><span class="lineNum"> 639 </span> : else if (RL_ISSTATE (RL_STATE_SIGHANDLER))</a>
|
|
<a name="640"><span class="lineNum"> 640 </span> : bashline_set_event_hook ();</a>
|
|
<a name="641"><span class="lineNum"> 641 </span> : #endif</a>
|
|
<a name="642"><span class="lineNum"> 642 </span> : </a>
|
|
<a name="643"><span class="lineNum"> 643 </span> : SIGRETURN (0);</a>
|
|
<a name="644"><span class="lineNum"> 644 </span> : }</a>
|
|
<a name="645"><span class="lineNum"> 645 </span> : </a>
|
|
<a name="646"><span class="lineNum"> 646 </span> : #if defined (SIGWINCH)</a>
|
|
<a name="647"><span class="lineNum"> 647 </span> : sighandler</a>
|
|
<a name="648"><span class="lineNum"> 648 </span><span class="lineNoCov"> 0 : sigwinch_sighandler (sig)</span></a>
|
|
<a name="649"><span class="lineNum"> 649 </span> : int sig;</a>
|
|
<a name="650"><span class="lineNum"> 650 </span> : {</a>
|
|
<a name="651"><span class="lineNum"> 651 </span> : #if defined (MUST_REINSTALL_SIGHANDLERS)</a>
|
|
<a name="652"><span class="lineNum"> 652 </span> : set_signal_handler (SIGWINCH, sigwinch_sighandler);</a>
|
|
<a name="653"><span class="lineNum"> 653 </span> : #endif /* MUST_REINSTALL_SIGHANDLERS */</a>
|
|
<a name="654"><span class="lineNum"> 654 </span><span class="lineNoCov"> 0 : sigwinch_received = 1;</span></a>
|
|
<a name="655"><span class="lineNum"> 655 </span><span class="lineNoCov"> 0 : SIGRETURN (0);</span></a>
|
|
<a name="656"><span class="lineNum"> 656 </span> : }</a>
|
|
<a name="657"><span class="lineNum"> 657 </span> : #endif /* SIGWINCH */</a>
|
|
<a name="658"><span class="lineNum"> 658 </span> : </a>
|
|
<a name="659"><span class="lineNum"> 659 </span> : void</a>
|
|
<a name="660"><span class="lineNum"> 660 </span><span class="lineNoCov"> 0 : set_sigwinch_handler ()</span></a>
|
|
<a name="661"><span class="lineNum"> 661 </span> : {</a>
|
|
<a name="662"><span class="lineNum"> 662 </span> : #if defined (SIGWINCH)</a>
|
|
<a name="663"><span class="lineNum"> 663 </span><span class="lineNoCov"> 0 : old_winch = set_signal_handler (SIGWINCH, sigwinch_sighandler);</span></a>
|
|
<a name="664"><span class="lineNum"> 664 </span> : #endif</a>
|
|
<a name="665"><span class="lineNum"> 665 </span><span class="lineNoCov"> 0 : }</span></a>
|
|
<a name="666"><span class="lineNum"> 666 </span> : </a>
|
|
<a name="667"><span class="lineNum"> 667 </span> : void</a>
|
|
<a name="668"><span class="lineNum"> 668 </span><span class="lineNoCov"> 0 : unset_sigwinch_handler ()</span></a>
|
|
<a name="669"><span class="lineNum"> 669 </span> : {</a>
|
|
<a name="670"><span class="lineNum"> 670 </span> : #if defined (SIGWINCH)</a>
|
|
<a name="671"><span class="lineNum"> 671 </span><span class="lineNoCov"> 0 : set_signal_handler (SIGWINCH, old_winch);</span></a>
|
|
<a name="672"><span class="lineNum"> 672 </span> : #endif</a>
|
|
<a name="673"><span class="lineNum"> 673 </span><span class="lineNoCov"> 0 : }</span></a>
|
|
<a name="674"><span class="lineNum"> 674 </span> : </a>
|
|
<a name="675"><span class="lineNum"> 675 </span> : sighandler</a>
|
|
<a name="676"><span class="lineNum"> 676 </span><span class="lineNoCov"> 0 : sigterm_sighandler (sig)</span></a>
|
|
<a name="677"><span class="lineNum"> 677 </span> : int sig;</a>
|
|
<a name="678"><span class="lineNum"> 678 </span> : {</a>
|
|
<a name="679"><span class="lineNum"> 679 </span><span class="lineNoCov"> 0 : sigterm_received = 1; /* XXX - counter? */</span></a>
|
|
<a name="680"><span class="lineNum"> 680 </span><span class="lineNoCov"> 0 : SIGRETURN (0);</span></a>
|
|
<a name="681"><span class="lineNum"> 681 </span> : }</a>
|
|
<a name="682"><span class="lineNum"> 682 </span> : </a>
|
|
<a name="683"><span class="lineNum"> 683 </span> : /* Signal functions used by the rest of the code. */</a>
|
|
<a name="684"><span class="lineNum"> 684 </span> : #if !defined (HAVE_POSIX_SIGNALS)</a>
|
|
<a name="685"><span class="lineNum"> 685 </span> : </a>
|
|
<a name="686"><span class="lineNum"> 686 </span> : /* Perform OPERATION on NEWSET, perhaps leaving information in OLDSET. */</a>
|
|
<a name="687"><span class="lineNum"> 687 </span> : sigprocmask (operation, newset, oldset)</a>
|
|
<a name="688"><span class="lineNum"> 688 </span> : int operation, *newset, *oldset;</a>
|
|
<a name="689"><span class="lineNum"> 689 </span> : {</a>
|
|
<a name="690"><span class="lineNum"> 690 </span> : int old, new;</a>
|
|
<a name="691"><span class="lineNum"> 691 </span> : </a>
|
|
<a name="692"><span class="lineNum"> 692 </span> : if (newset)</a>
|
|
<a name="693"><span class="lineNum"> 693 </span> : new = *newset;</a>
|
|
<a name="694"><span class="lineNum"> 694 </span> : else</a>
|
|
<a name="695"><span class="lineNum"> 695 </span> : new = 0;</a>
|
|
<a name="696"><span class="lineNum"> 696 </span> : </a>
|
|
<a name="697"><span class="lineNum"> 697 </span> : switch (operation)</a>
|
|
<a name="698"><span class="lineNum"> 698 </span> : {</a>
|
|
<a name="699"><span class="lineNum"> 699 </span> : case SIG_BLOCK:</a>
|
|
<a name="700"><span class="lineNum"> 700 </span> : old = sigblock (new);</a>
|
|
<a name="701"><span class="lineNum"> 701 </span> : break;</a>
|
|
<a name="702"><span class="lineNum"> 702 </span> : </a>
|
|
<a name="703"><span class="lineNum"> 703 </span> : case SIG_SETMASK:</a>
|
|
<a name="704"><span class="lineNum"> 704 </span> : old = sigsetmask (new);</a>
|
|
<a name="705"><span class="lineNum"> 705 </span> : break;</a>
|
|
<a name="706"><span class="lineNum"> 706 </span> : </a>
|
|
<a name="707"><span class="lineNum"> 707 </span> : default:</a>
|
|
<a name="708"><span class="lineNum"> 708 </span> : internal_error (_("sigprocmask: %d: invalid operation"), operation);</a>
|
|
<a name="709"><span class="lineNum"> 709 </span> : }</a>
|
|
<a name="710"><span class="lineNum"> 710 </span> : </a>
|
|
<a name="711"><span class="lineNum"> 711 </span> : if (oldset)</a>
|
|
<a name="712"><span class="lineNum"> 712 </span> : *oldset = old;</a>
|
|
<a name="713"><span class="lineNum"> 713 </span> : }</a>
|
|
<a name="714"><span class="lineNum"> 714 </span> : </a>
|
|
<a name="715"><span class="lineNum"> 715 </span> : #else</a>
|
|
<a name="716"><span class="lineNum"> 716 </span> : </a>
|
|
<a name="717"><span class="lineNum"> 717 </span> : #if !defined (SA_INTERRUPT)</a>
|
|
<a name="718"><span class="lineNum"> 718 </span> : # define SA_INTERRUPT 0</a>
|
|
<a name="719"><span class="lineNum"> 719 </span> : #endif</a>
|
|
<a name="720"><span class="lineNum"> 720 </span> : </a>
|
|
<a name="721"><span class="lineNum"> 721 </span> : #if !defined (SA_RESTART)</a>
|
|
<a name="722"><span class="lineNum"> 722 </span> : # define SA_RESTART 0</a>
|
|
<a name="723"><span class="lineNum"> 723 </span> : #endif</a>
|
|
<a name="724"><span class="lineNum"> 724 </span> : </a>
|
|
<a name="725"><span class="lineNum"> 725 </span> : SigHandler *</a>
|
|
<a name="726"><span class="lineNum"> 726 </span><span class="lineCov"> 209459398 : set_signal_handler (sig, handler)</span></a>
|
|
<a name="727"><span class="lineNum"> 727 </span> : int sig;</a>
|
|
<a name="728"><span class="lineNum"> 728 </span> : SigHandler *handler;</a>
|
|
<a name="729"><span class="lineNum"> 729 </span> : {</a>
|
|
<a name="730"><span class="lineNum"> 730 </span><span class="lineCov"> 209459398 : struct sigaction act, oact;</span></a>
|
|
<a name="731"><span class="lineNum"> 731 </span> : </a>
|
|
<a name="732"><span class="lineNum"> 732 </span><span class="lineCov"> 209459398 : act.sa_handler = handler;</span></a>
|
|
<a name="733"><span class="lineNum"> 733 </span><span class="lineCov"> 209459398 : act.sa_flags = 0;</span></a>
|
|
<a name="734"><span class="lineNum"> 734 </span> : </a>
|
|
<a name="735"><span class="lineNum"> 735 </span> : /* XXX - bash-4.2 */</a>
|
|
<a name="736"><span class="lineNum"> 736 </span> : /* We don't want a child death to interrupt interruptible system calls, even</a>
|
|
<a name="737"><span class="lineNum"> 737 </span> : if we take the time to reap children */</a>
|
|
<a name="738"><span class="lineNum"> 738 </span> : #if defined (SIGCHLD)</a>
|
|
<a name="739"><span class="lineNum"> 739 </span><span class="lineCov"> 209459398 : if (sig == SIGCHLD)</span></a>
|
|
<a name="740"><span class="lineNum"> 740 </span><span class="lineCov"> 38144083 : act.sa_flags |= SA_RESTART; /* XXX */</span></a>
|
|
<a name="741"><span class="lineNum"> 741 </span> : #endif</a>
|
|
<a name="742"><span class="lineNum"> 742 </span> : /* If we're installing a SIGTERM handler for interactive shells, we want</a>
|
|
<a name="743"><span class="lineNum"> 743 </span> : it to be as close to SIG_IGN as possible. */</a>
|
|
<a name="744"><span class="lineNum"> 744 </span><span class="lineCov"> 209459398 : if (sig == SIGTERM && handler == sigterm_sighandler)</span></a>
|
|
<a name="745"><span class="lineNum"> 745 </span><span class="lineNoCov"> 0 : act.sa_flags |= SA_RESTART; /* XXX */</span></a>
|
|
<a name="746"><span class="lineNum"> 746 </span> : </a>
|
|
<a name="747"><span class="lineNum"> 747 </span><span class="lineCov"> 209459398 : sigemptyset (&act.sa_mask);</span></a>
|
|
<a name="748"><span class="lineNum"> 748 </span><span class="lineCov"> 209459398 : sigemptyset (&oact.sa_mask);</span></a>
|
|
<a name="749"><span class="lineNum"> 749 </span><span class="lineCov"> 209459398 : if (sigaction (sig, &act, &oact) == 0)</span></a>
|
|
<a name="750"><span class="lineNum"> 750 </span><span class="lineCov"> 209458606 : return (oact.sa_handler);</span></a>
|
|
<a name="751"><span class="lineNum"> 751 </span> : else</a>
|
|
<a name="752"><span class="lineNum"> 752 </span> : return (SIG_DFL);</a>
|
|
<a name="753"><span class="lineNum"> 753 </span> : }</a>
|
|
<a name="754"><span class="lineNum"> 754 </span> : #endif /* HAVE_POSIX_SIGNALS */</a>
|
|
</pre>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
<br>
|
|
|
|
<table width="100%" border=0 cellspacing=0 cellpadding=0>
|
|
<tr><td class="ruler"><img src="../glass.png" width=3 height=3 alt=""></td></tr>
|
|
<tr><td class="versionInfo">Generated by: <a href="http://ltp.sourceforge.net/coverage/lcov.php" target="_parent">LCOV version 1.14.0.6.4058</a></td></tr>
|
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</table>
|
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<br>
|
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</body>
|
|
</html>
|