diff options
Diffstat (limited to 'sysdeps/htl/pt-mutex-init.c')
-rw-r--r-- | sysdeps/htl/pt-mutex-init.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/sysdeps/htl/pt-mutex-init.c b/sysdeps/htl/pt-mutex-init.c new file mode 100644 index 0000000000..ee3ca9aec4 --- /dev/null +++ b/sysdeps/htl/pt-mutex-init.c @@ -0,0 +1,48 @@ +/* Initialize a mutex. Generic version. + 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If + not, see <http://www.gnu.org/licenses/>. */ + +#include <pthread.h> +#include <string.h> +#include <stdlib.h> +#include <assert.h> + +#include <pt-internal.h> + +int +_pthread_mutex_init (pthread_mutex_t *mutex, const pthread_mutexattr_t *attr) +{ + *mutex = (pthread_mutex_t) __PTHREAD_MUTEX_INITIALIZER; + + if (attr == NULL + || memcmp (attr, &__pthread_default_mutexattr, sizeof (*attr) == 0)) + /* The default attributes. */ + return 0; + + if (mutex->__attr == NULL + || mutex->__attr == __PTHREAD_ERRORCHECK_MUTEXATTR + || mutex->__attr == __PTHREAD_RECURSIVE_MUTEXATTR) + mutex->__attr = malloc (sizeof *attr); + + if (mutex->__attr == NULL) + return ENOMEM; + + *mutex->__attr = *attr; + return 0; +} + +strong_alias (_pthread_mutex_init, pthread_mutex_init); |