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79 lines
2.0 KiB
C
79 lines
2.0 KiB
C
/* Check if the thread created by POSIX timer using SIGEV_THREAD is
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cancellable.
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Copyright (C) 2020-2024 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <stdio.h>
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#include <time.h>
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#include <signal.h>
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#include <unistd.h>
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#include <stdbool.h>
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#include <support/check.h>
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#include <support/test-driver.h>
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#include <support/xthread.h>
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static pthread_barrier_t barrier;
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static pthread_t timer_thread;
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static void
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cl (void *arg)
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{
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xpthread_barrier_wait (&barrier);
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}
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static void
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thread_handler (union sigval sv)
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{
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timer_thread = pthread_self ();
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xpthread_barrier_wait (&barrier);
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pthread_cleanup_push (cl, NULL);
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while (1)
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clock_nanosleep (CLOCK_REALTIME, 0, &(struct timespec) { 1, 0 }, NULL);
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pthread_cleanup_pop (0);
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}
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static int
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do_test (void)
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{
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struct sigevent sev = { 0 };
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sev.sigev_notify = SIGEV_THREAD;
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sev.sigev_notify_function = &thread_handler;
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timer_t timerid;
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TEST_COMPARE (timer_create (CLOCK_REALTIME, &sev, &timerid), 0);
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xpthread_barrier_init (&barrier, NULL, 2);
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struct itimerspec trigger = { 0 };
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trigger.it_value.tv_nsec = 1000000;
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TEST_COMPARE (timer_settime (timerid, 0, &trigger, NULL), 0);
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xpthread_barrier_wait (&barrier);
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xpthread_cancel (timer_thread);
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xpthread_barrier_wait (&barrier);
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return 0;
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}
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/* A stall in cancellation is a regression. */
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#include <support/test-driver.c>
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