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author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2020-02-09 22:55:12 +0000 |
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committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2020-02-10 01:03:54 +0000 |
commit | 8a195ec810f3d4acddcbd6c2d753edf11d105798 (patch) | |
tree | a14d1e66dfde577325bd130f6c97e8ed7b654a2b /sysdeps/pthread/tst-sem1.c | |
parent | e9644c20ce4718ca99953cab0d306b7789303c8e (diff) | |
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pthread: Move most sem tests from nptl to sysdeps/pthread
So they can be checked with htl too.
Diffstat (limited to 'sysdeps/pthread/tst-sem1.c')
-rw-r--r-- | sysdeps/pthread/tst-sem1.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/sysdeps/pthread/tst-sem1.c b/sysdeps/pthread/tst-sem1.c new file mode 100644 index 0000000000..ba46e77fbd --- /dev/null +++ b/sysdeps/pthread/tst-sem1.c @@ -0,0 +1,88 @@ +/* Copyright (C) 2002-2020 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. + + 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 <semaphore.h> +#include <stdio.h> +#include <unistd.h> + + +static int +do_test (void) +{ + sem_t s; + + if (sem_init (&s, 0, 1) == -1) + { + puts ("init failed"); + return 1; + } + + if (TEMP_FAILURE_RETRY (sem_wait (&s)) == -1) + { + puts ("1st wait failed"); + return 1; + } + + if (sem_post (&s) == -1) + { + puts ("1st post failed"); + return 1; + } + + if (TEMP_FAILURE_RETRY (sem_trywait (&s)) == -1) + { + puts ("1st trywait failed"); + return 1; + } + + errno = 0; + if (TEMP_FAILURE_RETRY (sem_trywait (&s)) != -1) + { + puts ("2nd trywait succeeded"); + return 1; + } + else if (errno != EAGAIN) + { + puts ("2nd trywait did not set errno to EAGAIN"); + return 1; + } + + if (sem_post (&s) == -1) + { + puts ("2nd post failed"); + return 1; + } + + if (TEMP_FAILURE_RETRY (sem_wait (&s)) == -1) + { + puts ("2nd wait failed"); + return 1; + } + + if (sem_destroy (&s) == -1) + { + puts ("destroy failed"); + return 1; + } + + return 0; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |