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Diffstat (limited to 'test/nptl/tst-eintr2.c')
-rw-r--r-- | test/nptl/tst-eintr2.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/test/nptl/tst-eintr2.c b/test/nptl/tst-eintr2.c new file mode 100644 index 000000000..8cbbc5a02 --- /dev/null +++ b/test/nptl/tst-eintr2.c @@ -0,0 +1,118 @@ +/* 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 <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/time.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; + struct timeval tv; + + gettimeofday (&tv, NULL); + TIMEVAL_TO_TIMESPEC (&tv, &ts); + ts.tv_sec += 10000; + + /* 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) + { + int e = pthread_mutex_lock (&m2); + if (e != 0) + { + puts ("tf2: mutex_lock failed"); + exit (1); + } + e = pthread_mutex_unlock (&m2); + if (e != 0) + { + puts ("tf2: mutex_unlock failed"); + exit (1); + } + struct timespec ts = { .tv_sec = 0, .tv_nsec = 10000000 }; + nanosleep (&ts, NULL); + } +} + + +static int +do_test (void) +{ + if (pthread_mutex_lock (&m1) != 0) + { + puts ("mutex_lock failed"); + exit (1); + } + + setup_eintr (SIGUSR1, NULL); + + pthread_t th; + char buf[100]; + int e = pthread_create (&th, NULL, tf1, NULL); + if (e != 0) + { + printf ("main: 1st pthread_create failed: %s\n", + strerror_r (e, buf, sizeof (buf))); + exit (1); + } + + e = pthread_create (&th, NULL, tf2, NULL); + if (e != 0) + { + printf ("main: 2nd pthread_create failed: %s\n", + strerror_r (e, buf, sizeof (buf))); + exit (1); + } + + /* This call must never return. */ + e = pthread_mutex_lock (&m1); + printf ("main: mutex_lock returned: %s\n", + strerror_r (e, buf, sizeof (buf))); + + return 0; +} + +#define EXPECTED_SIGNAL SIGALRM +#define TIMEOUT 3 +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |