diff options
author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-12-27 15:36:51 +0000 |
---|---|---|
committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-12-27 15:36:51 +0000 |
commit | 05fa8834c6644f12405ea713c48693bf2d1864f1 (patch) | |
tree | c6b6391884370c75972a2e432d42ebbb076a0cdf /htl/tests/test-1.c | |
parent | 525c181a5a9a95e24d2111b7792608151a40eb84 (diff) | |
parent | 963c37d5c0eb62b38f8764b23931c0dcdd497a13 (diff) |
Merge commit 'refs/top-bases/t/bigmem' into t/bigmemt/bigmem
Diffstat (limited to 'htl/tests/test-1.c')
-rw-r--r-- | htl/tests/test-1.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/htl/tests/test-1.c b/htl/tests/test-1.c new file mode 100644 index 0000000000..67c1e0a552 --- /dev/null +++ b/htl/tests/test-1.c @@ -0,0 +1,68 @@ +/* Test mutexes. + Copyright (C) 2000-2018 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 + <http://www.gnu.org/licenses/>. */ + +#define _GNU_SOURCE + +#include <pthread.h> +#include <assert.h> +#include <unistd.h> +#include <error.h> +#include <errno.h> +#include <stdio.h> + +#define THREADS 500 + +void * +foo (void *arg) +{ + pthread_mutex_t *mutex = arg; + pthread_mutex_lock (mutex); + pthread_mutex_unlock (mutex); + return mutex; +} + +int +main (int argc, char **argv) +{ + int i; + error_t err; + pthread_t tid[THREADS]; + pthread_mutex_t mutex[THREADS]; + + for (i = 0; i < THREADS; i++) + { + pthread_mutex_init (&mutex[i], 0); + pthread_mutex_lock (&mutex[i]); + err = pthread_create (&tid[i], 0, foo, &mutex[i]); + if (err) + error (1, err, "pthread_create"); + sched_yield (); + } + + for (i = THREADS - 1; i >= 0; i--) + { + void *ret; + pthread_mutex_unlock (&mutex[i]); + err = pthread_join (tid[i], &ret); + if (err) + error (1, err, "pthread_join"); + assert (ret == &mutex[i]); + } + + return 0; +} |