-/* Copyright (C) 2002, 2003, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2017 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
#include <semaphore.h>
#include "pthreadP.h"
-
-/* Mount point of the shared memory filesystem. */
-struct mountpoint_info
-{
- char *dir;
- size_t dirlen;
-};
+#define SEM_SHM_PREFIX "sem."
/* Keeping track of currently used mappings. */
struct inuse_sem
};
-/* Variables used in multiple interfaces. */
-extern struct mountpoint_info mountpoint attribute_hidden;
-
-extern pthread_once_t __namedsem_once attribute_hidden;
-
/* The search tree for existing mappings. */
extern void *__sem_mappings attribute_hidden;
/* Lock to protect the search tree. */
-extern lll_lock_t __sem_mappings_lock attribute_hidden;
-
+extern int __sem_mappings_lock attribute_hidden;
-/* Initializer for mountpoint. */
-extern void __where_is_shmfs (void) attribute_hidden;
/* Comparison function for search in tree with existing mappings. */
extern int __sem_search (const void *a, const void *b) attribute_hidden;
/* Prototypes of functions with multiple interfaces. */
extern int __new_sem_init (sem_t *sem, int pshared, unsigned int value);
+extern int __old_sem_init (sem_t *sem, int pshared, unsigned int value);
extern int __new_sem_destroy (sem_t *sem);
extern int __new_sem_post (sem_t *sem);
extern int __new_sem_wait (sem_t *sem);
+extern int __old_sem_wait (sem_t *sem);
extern int __new_sem_trywait (sem_t *sem);
extern int __new_sem_getvalue (sem_t *sem, int *sval);