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diff --git a/libpthread/nptl/semaphoreP.h b/libpthread/nptl/semaphoreP.h
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+/* Copyright (C) 2002, 2003 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <semaphore.h>
+#include "pthreadP.h"
+
+
+/* Mount point of the shared memory filesystem. */
+struct mountpoint_info
+{
+ char *dir;
+ size_t dirlen;
+};
+
+/* Keeping track of currently used mappings. */
+struct inuse_sem
+{
+ dev_t dev;
+ ino_t ino;
+ int refcnt;
+ sem_t *sem;
+ char name[0];
+};
+
+
+/* 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;
+
+
+/* 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 __new_sem_destroy (sem_t *sem);
+extern int __new_sem_post (sem_t *sem);
+extern int __new_sem_wait (sem_t *sem);
+extern int __new_sem_trywait (sem_t *sem);
+extern int __new_sem_getvalue (sem_t *sem, int *sval);