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Diffstat (limited to 'sysdeps/pthread/tst-cancel28.c')
-rw-r--r-- | sysdeps/pthread/tst-cancel28.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/sysdeps/pthread/tst-cancel28.c b/sysdeps/pthread/tst-cancel28.c new file mode 100644 index 0000000..11beb01 --- /dev/null +++ b/sysdeps/pthread/tst-cancel28.c @@ -0,0 +1,79 @@ +/* Check if the thread created by POSIX timer using SIGEV_THREAD is + cancellable. + Copyright (C) 2020 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <stdio.h> +#include <time.h> +#include <signal.h> +#include <unistd.h> +#include <stdbool.h> + +#include <support/check.h> +#include <support/test-driver.h> +#include <support/xthread.h> + +static pthread_barrier_t barrier; +static pthread_t timer_thread; + +static void +cl (void *arg) +{ + xpthread_barrier_wait (&barrier); +} + +static void +thread_handler (union sigval sv) +{ + timer_thread = pthread_self (); + + xpthread_barrier_wait (&barrier); + + pthread_cleanup_push (cl, NULL); + while (1) + clock_nanosleep (CLOCK_REALTIME, 0, &(struct timespec) { 1, 0 }, NULL); + pthread_cleanup_pop (0); +} + +static int +do_test (void) +{ + struct sigevent sev = { 0 }; + sev.sigev_notify = SIGEV_THREAD; + sev.sigev_notify_function = &thread_handler; + + timer_t timerid; + TEST_COMPARE (timer_create (CLOCK_REALTIME, &sev, &timerid), 0); + + xpthread_barrier_init (&barrier, NULL, 2); + + struct itimerspec trigger = { 0 }; + trigger.it_value.tv_nsec = 1000000; + TEST_COMPARE (timer_settime (timerid, 0, &trigger, NULL), 0); + + xpthread_barrier_wait (&barrier); + + xpthread_cancel (timer_thread); + + xpthread_barrier_init (&barrier, NULL, 2); + xpthread_barrier_wait (&barrier); + + return 0; +} + +/* A stall in cancellation is a regression. */ +#include <support/test-driver.c> |