diff options
author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-12-27 19:01:57 +0000 |
---|---|---|
committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-12-27 19:01:57 +0000 |
commit | cab56836b146bc129f1ad43f0393d95a9deca63a (patch) | |
tree | 4f4e655319bbac78fca170da05275c127429b460 /sysdeps/htl/sem-init.c | |
parent | 04ac1241a4cd004872282c2c82ec37fa33925292 (diff) | |
parent | 82dd75a7f436a19047325d62182590c9f9e23a78 (diff) |
Merge branch 't/tls' into refs/top-bases/t/tls-threadvar
Diffstat (limited to 'sysdeps/htl/sem-init.c')
-rw-r--r-- | sysdeps/htl/sem-init.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/sysdeps/htl/sem-init.c b/sysdeps/htl/sem-init.c new file mode 100644 index 0000000000..b05534e793 --- /dev/null +++ b/sysdeps/htl/sem-init.c @@ -0,0 +1,45 @@ +/* Initialize a semaphore. Generic version. + Copyright (C) 2005-2018 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/>. */ + +#include <semaphore.h> +#include <errno.h> + +#include <pt-internal.h> + +int +__sem_init (sem_t *sem, int pshared, unsigned value) +{ + if (pshared != 0) + { + errno = EOPNOTSUPP; + return -1; + } + +#ifdef SEM_VALUE_MAX + if (value > SEM_VALUE_MAX) + { + errno = EINVAL; + return -1; + } +#endif + + *sem = (sem_t) __SEMAPHORE_INITIALIZER (pshared, value); + return 0; +} + +strong_alias (__sem_init, sem_init); |