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author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-12-27 15:36:51 +0000 |
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committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-12-27 15:36:51 +0000 |
commit | 05fa8834c6644f12405ea713c48693bf2d1864f1 (patch) | |
tree | c6b6391884370c75972a2e432d42ebbb076a0cdf /htl/tests/test-14.c | |
parent | 525c181a5a9a95e24d2111b7792608151a40eb84 (diff) | |
parent | 963c37d5c0eb62b38f8764b23931c0dcdd497a13 (diff) |
Merge commit 'refs/top-bases/t/bigmem' into t/bigmemt/bigmem
Diffstat (limited to 'htl/tests/test-14.c')
-rw-r--r-- | htl/tests/test-14.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/htl/tests/test-14.c b/htl/tests/test-14.c new file mode 100644 index 0000000000..8ccb862622 --- /dev/null +++ b/htl/tests/test-14.c @@ -0,0 +1,60 @@ +/* Test pthread_mutex_timedlock. + 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 <stdio.h> +#include <assert.h> +#include <error.h> +#include <errno.h> +#include <sys/time.h> + +int +main (int argc, char **argv) +{ + error_t err; + struct timespec ts; + pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER; + struct timeval before, after; + int diff; + + gettimeofday (&before, 0); + ts.tv_sec = before.tv_sec + 1; + ts.tv_nsec = before.tv_usec * 1000; + + printf ("Starting wait @ %d\n", (int) before.tv_sec); + + pthread_mutex_lock (&m); + /* A default mutex shall dead lock if locked twice. As such we do + not need spawn a second thread. */ + err = pthread_mutex_timedlock (&m, &ts); + assert (err == ETIMEDOUT); + + gettimeofday (&after, 0); + + printf ("End wait @ %d\n", (int) after.tv_sec); + + diff = after.tv_sec * 1000000 + after.tv_usec + - before.tv_sec * 1000000 - before.tv_usec; + + if (diff < 900000 || diff > 1100000) + error (1, EGRATUITOUS, "pthread_mutex_timedlock waited %d us", diff); + + return 0; +} |