diff options
Diffstat (limited to 'sysdeps/pthread/tst-eintr2.c')
-rw-r--r-- | sysdeps/pthread/tst-eintr2.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/sysdeps/pthread/tst-eintr2.c b/sysdeps/pthread/tst-eintr2.c new file mode 100644 index 0000000..4f26cca --- /dev/null +++ b/sysdeps/pthread/tst-eintr2.c @@ -0,0 +1,88 @@ +/* Copyright (C) 2003-2020 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, see + <https://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <pthread.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/time.h> +#include <support/check.h> +#include <support/timespec.h> +#include <support/xtime.h> + +#include "eintr.c" + + +static pthread_mutex_t m1 = PTHREAD_MUTEX_INITIALIZER; +static pthread_mutex_t m2 = PTHREAD_MUTEX_INITIALIZER; + + +static void * +tf1 (void *arg) +{ + struct timespec ts = timespec_add (xclock_now (CLOCK_REALTIME), + make_timespec (10000, 0)); + + /* This call must never return. */ + int e = pthread_mutex_timedlock (&m1, &ts); + char buf[100]; + printf ("tf1: mutex_timedlock returned: %s\n", + strerror_r (e, buf, sizeof (buf))); + + exit (1); +} + + +static void * +tf2 (void *arg) +{ + while (1) + { + TEST_COMPARE (pthread_mutex_lock (&m2), 0); + TEST_COMPARE (pthread_mutex_unlock (&m2), 0); + + struct timespec ts = { .tv_sec = 0, .tv_nsec = 10000000 }; + nanosleep (&ts, NULL); + } + return NULL; +} + + +static int +do_test (void) +{ + TEST_COMPARE (pthread_mutex_lock (&m1), 0); + + setup_eintr (SIGUSR1, NULL); + + char buf[100]; + xpthread_create (NULL, tf1, NULL); + xpthread_create (NULL, tf2, NULL); + + delayed_exit (3); + /* This call must never return. */ + int e = pthread_mutex_lock (&m1); + printf ("main: mutex_lock returned: %s\n", + strerror_r (e, buf, sizeof (buf))); + + return 1; +} + +#include <support/test-driver.c> |