Dmitry V. Levin
c6782f144a
strace test suite is now provided under the terms of the GNU General Public License version 2 or later, see tests/COPYING for more details.
102 lines
2.4 KiB
C
102 lines
2.4 KiB
C
/*
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* Copyright (c) 2015 Elvira Khabirova <lineprinter0@gmail.com>
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* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
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* Copyright (c) 2015-2018 The strace developers.
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* All rights reserved.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "tests.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <asm/unistd.h>
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#include <sys/ipc.h>
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#include <sys/msg.h>
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#include <sys/stat.h>
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#define text_string "STRACE_STRING"
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#define msgsz sizeof(text_string)
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static int msqid = -1;
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#if XLAT_RAW
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# define str_ipc_creat "0x200"
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# define str_ipc_private "0"
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# define str_ipc_rmid "0"
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# define str_ipc_64 "0x100"
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#elif XLAT_VERBOSE
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# define str_ipc_creat "0x200 /\\* IPC_CREAT \\*/"
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# define str_ipc_private "0 /\\* IPC_PRIVATE \\*/"
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# define str_ipc_rmid "0 /\\* IPC_RMID \\*/"
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# define str_ipc_64 "0x100 /\\* IPC_64 \\*/"
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#else
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# define str_ipc_creat "IPC_CREAT"
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# define str_ipc_private "IPC_PRIVATE"
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# define str_ipc_rmid "IPC_RMID"
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# define str_ipc_64 "IPC_64"
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#endif
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static int
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cleanup(void)
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{
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if (msqid != -1) {
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int rc = msgctl(msqid, IPC_RMID, 0);
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printf("msgctl\\(%d, (%s\\|)?%s, NULL\\) = 0\n",
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msqid, str_ipc_64, str_ipc_rmid);
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msqid = -1;
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if (rc == -1)
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return 77;
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puts("\\+\\+\\+ exited with 0 \\+\\+\\+");
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}
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return 0;
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}
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int
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sys_msgrcv(int msqid, void *msgp, size_t sz, kernel_long_t msgtyp,
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int msgflg)
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{
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#if defined __x86_64__ && defined __ILP32__
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return syscall(__NR_msgrcv, msqid, msgp, sz, msgtyp, msgflg);
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#else
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return msgrcv(msqid, msgp, sz, msgtyp, msgflg);
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#endif
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}
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int
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main(void)
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{
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/* mtype has to be positive */
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const kernel_long_t mtype = (kernel_long_t) 0x7facefed5adc0dedULL;
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struct {
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kernel_long_t mtype;
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char mtext[msgsz];
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} msg = {
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.mtype = mtype,
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.mtext = text_string
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};
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msqid = msgget(IPC_PRIVATE, IPC_CREAT | S_IRWXU);
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if (msqid == -1)
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perror_msg_and_skip("msgget");
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printf("msgget\\(%s, %s\\|0700\\) = %d\n",
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str_ipc_private, str_ipc_creat, msqid);
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typedef void (*atexit_func)(void);
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atexit((atexit_func) cleanup);
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printf("msgsnd\\(%d, \\{%lld, \"" text_string "\\\\0\"\\}, 14, 0\\)"
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" = 0\n",
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msqid, (long long) mtype);
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if (msgsnd(msqid, &msg, msgsz, 0) == -1)
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perror_msg_and_skip("msgsnd");
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if (sys_msgrcv(msqid, &msg, msgsz, -mtype, 0) != msgsz)
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perror_msg_and_skip("msgrcv");
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printf("msgrcv\\(%d, \\{%lld, \"" text_string "\\\\0\"\\}, 14, %lld"
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", 0\\) = 14\n",
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msqid, (long long) mtype, -(long long) mtype);
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return cleanup();
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}
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