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Diffstat (limited to 'nptl/tst-cancel15.c')
-rw-r--r-- | nptl/tst-cancel15.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/nptl/tst-cancel15.c b/nptl/tst-cancel15.c new file mode 100644 index 0000000000..88bacafef8 --- /dev/null +++ b/nptl/tst-cancel15.c @@ -0,0 +1,141 @@ +/* Copyright (C) 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. + + 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <pthread.h> +#include <semaphore.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + + +static pthread_barrier_t bar; +static sem_t sem; + + +static void +cleanup (void *arg) +{ + static int ncall; + + if (++ncall != 1) + { + puts ("second call to cleanup"); + exit (1); + } + + printf ("cleanup call #%d\n", ncall); +} + + +static void * +tf (void *arg) +{ + int e; + + pthread_cleanup_push (cleanup, NULL); + + e = pthread_barrier_wait (&bar); + if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) + { + puts ("tf: 1st barrier_wait failed"); + exit (1); + } + + struct timeval tv; + (void) gettimeofday (&tv, NULL); + + struct timespec ts; + TIMEVAL_TO_TIMESPEC (&tv, &ts); + + /* Timeout in 5 seconds. */ + ts.tv_sec += 5; + + /* This call should block and be cancelable. */ + errno = 0; + e = sem_timedwait (&sem, &ts); + + pthread_cleanup_pop (0); + + printf ("sem_timedwait returned, e = %d, errno = %d\n", e, errno); + + return NULL; +} + + +static int +do_test (void) +{ + pthread_t th; + + if (pthread_barrier_init (&bar, NULL, 2) != 0) + { + puts ("barrier_init failed"); + exit (1); + } + + if (sem_init (&sem, 0, 0) != 0) + { + puts ("sem_init failed"); + exit (1); + } + + if (pthread_create (&th, NULL, tf, NULL) != 0) + { + puts ("create failed"); + exit (1); + } + + int e = pthread_barrier_wait (&bar); + if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) + { + puts ("1st barrier_wait failed"); + exit (1); + } + + /* Give the child a chance to go to sleep in sem_wait. */ + sleep (1); + + /* Check whether cancellation is honored when waiting in sem_timedwait. */ + if (pthread_cancel (th) != 0) + { + puts ("1st cancel failed"); + exit (1); + } + + void *r; + if (pthread_join (th, &r) != 0) + { + puts ("join failed"); + exit (1); + } + + if (r != PTHREAD_CANCELED) + { + puts ("thread not canceled"); + exit (1); + } + + return 0; +} + + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |