Dmitry V. Levin
640623c41e
* tests/restart_syscall.c: New file. * tests/restart_syscall.expected: Remove. * tests/restart_syscall_unknown.expected: Remove. * tests/restart_syscall.test: Update to use restart_syscall. * tests/Makefile.am (check_PROGRAMS): Add restart_syscall. (EXTRA_DIST): Remove restart_syscall.expected and restart_syscall_unknown.expected. * tests/.gitignore: Add restart_syscall.
67 lines
2.6 KiB
C
67 lines
2.6 KiB
C
/*
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* Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdio.h>
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#include <stdint.h>
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#include <signal.h>
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#include <time.h>
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#include <sys/time.h>
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int
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main(void)
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{
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const sigset_t set = {};
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const struct sigaction act = { .sa_handler = SIG_IGN };
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const struct itimerval itv = { .it_value.tv_usec = 111111 };
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struct timespec req = { .tv_nsec = 222222222 }, rem;
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if (sigaction(SIGALRM, &act, NULL))
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return 77;
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if (sigprocmask(SIG_SETMASK, &set, NULL))
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return 77;
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if (setitimer(ITIMER_REAL, &itv, NULL))
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return 77;
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if (nanosleep(&req, &rem))
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return 0;
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printf("nanosleep\\(\\{%jd, %jd\\}, \\{%jd, %jd\\}\\)"
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" = \\? ERESTART_RESTARTBLOCK \\(Interrupted by signal\\)\n",
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(intmax_t) req.tv_sec, (intmax_t) req.tv_nsec,
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(intmax_t) rem.tv_sec, (intmax_t) rem.tv_nsec);
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puts("--- SIGALRM \\{si_signo=SIGALRM, si_code=SI_KERNEL\\} ---");
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printf("(nanosleep\\(\\{%jd, %jd\\}, %p|restart_syscall\\(<\\.\\.\\."
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" resuming interrupted nanosleep \\.\\.\\.>)\\) = 0\n",
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(intmax_t) req.tv_sec, (intmax_t) req.tv_nsec, &rem);
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puts("\\+\\+\\+ exited with 0 \\+\\+\\+");
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return 0;
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}
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