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author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-12-27 19:06:20 +0000 |
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committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-12-27 19:06:58 +0000 |
commit | 3fcbb67b7949a8b362de5558bf1c6dd7ec5d21cf (patch) | |
tree | b867f9a6d3426f212b2f073bef8067a830f13022 /htl/tests/test-8.c | |
parent | b6df7ac2cbe11e6a72f2ab7bd35c6130b72d21d9 (diff) | |
parent | cab56836b146bc129f1ad43f0393d95a9deca63a (diff) |
Merge commit 'refs/top-bases/t/tls-threadvar' into t/tls-threadvar
Diffstat (limited to 'htl/tests/test-8.c')
-rw-r--r-- | htl/tests/test-8.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/htl/tests/test-8.c b/htl/tests/test-8.c new file mode 100644 index 0000000000..7e7a5cb25f --- /dev/null +++ b/htl/tests/test-8.c @@ -0,0 +1,78 @@ +/* Test pthread_once. + 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 <error.h> +#include <errno.h> + +#define THREADS 10 + +pthread_once_t inc_var_once = PTHREAD_ONCE_INIT; +int var; + +void +inc_var (void) +{ + var++; +} + +void * +thr (void *arg) +{ + int i; + + for (i = 0; i < 500; i++) + pthread_once (&inc_var_once, inc_var); + + return 0; +} + +int +main (int argc, char **argv) +{ + error_t err; + int i; + pthread_t tid[THREADS]; + + for (i = 0; i < THREADS; i++) + { + err = pthread_create (&tid[i], 0, thr, 0); + if (err) + error (1, err, "pthread_create (%d)", i); + } + + assert (thr (0) == 0); + + for (i = 0; i < THREADS; i++) + { + void *ret; + + err = pthread_join (tid[i], &ret); + if (err) + error (1, err, "pthread_join"); + + assert (ret == 0); + } + + assert (var == 1); + + return 0; +} |