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79 lines
2.4 KiB
79 lines
2.4 KiB
/* |
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* Check decoding of pause syscall. |
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* |
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* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org> |
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* Copyright (c) 2016 Fei Jie <feij.fnst@cn.fujitsu.com> |
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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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#include "tests.h" |
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#include <asm/unistd.h> |
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#ifdef __NR_pause |
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# include <errno.h> |
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# include <signal.h> |
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# include <stdio.h> |
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# include <sys/time.h> |
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# include <unistd.h> |
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static void |
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handler(int sig) |
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{ |
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} |
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int |
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main(void) |
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{ |
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const struct sigaction act = { .sa_handler = handler }; |
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if (sigaction(SIGALRM, &act, NULL)) |
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perror_msg_and_fail("sigaction"); |
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sigset_t mask; |
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sigemptyset(&mask); |
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sigaddset(&mask, SIGALRM); |
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if (sigprocmask(SIG_UNBLOCK, &mask, NULL)) |
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perror_msg_and_fail("sigprocmask"); |
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const struct itimerval itv = { .it_value.tv_usec = 123456 }; |
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if (setitimer(ITIMER_REAL, &itv, NULL)) |
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perror_msg_and_fail("setitimer"); |
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syscall(__NR_pause); |
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if (errno == ENOSYS) |
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printf("pause() = -1 ENOSYS (%m)\n"); |
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else |
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printf("pause() = ? ERESTARTNOHAND" |
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" (To be restarted if no handler)\n"); |
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puts("+++ exited with 0 +++"); |
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return 0; |
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} |
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#else |
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SKIP_MAIN_UNDEFINED("__NR_pause") |
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#endif
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