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diff --git a/cpukit/posix/inline/rtems/posix/rwlock.inl b/cpukit/posix/inline/rtems/posix/rwlock.inl
new file mode 100644
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+++ b/cpukit/posix/inline/rtems/posix/rwlock.inl
@@ -0,0 +1,89 @@
+/**
+ * @file rtems/posix/RWLock.inl
+ */
+
+/*
+ *  This file contains the static inlin implementation of the inlined
+ *  routines from the POSIX RWLock Manager.
+ *
+ *  COPYRIGHT (c) 1989-2006.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ *
+ *  $Id$
+ */
+
+#ifndef _RTEMS_POSIX_RWLOCK_H
+# error "Never use <rtems/posix/rwlock.inl> directly; include <rtems/posix/rwlock.h> instead."
+#endif
+
+#ifndef _RTEMS_POSIX_RWLOCK_INL
+#define _RTEMS_POSIX_RWLOCK_INL
+
+#include <pthread.h>
+
+/**
+ *  @brief _POSIX_RWLock_Allocate
+ *
+ *  This function allocates a RWLock control block from
+ *  the inactive chain of free RWLock control blocks.
+ */
+RTEMS_INLINE_ROUTINE POSIX_RWLock_Control *_POSIX_RWLock_Allocate( void )
+{
+  return (POSIX_RWLock_Control *) 
+    _Objects_Allocate( &_POSIX_RWLock_Information );
+}
+
+/**
+ *  @brief _POSIX_RWLock_Free
+ *
+ *  This routine frees a RWLock control block to the
+ *  inactive chain of free RWLock control blocks.
+ */
+RTEMS_INLINE_ROUTINE void _POSIX_RWLock_Free (
+  POSIX_RWLock_Control *the_RWLock
+)
+{
+  _Objects_Free( &_POSIX_RWLock_Information, &the_RWLock->Object );
+}
+
+/**
+ *  @brief _POSIX_RWLock_Get
+ *
+ *  This function maps RWLock IDs to RWLock control blocks.
+ *  If ID corresponds to a local RWLock, then it returns
+ *  the_RWLock control pointer which maps to ID and location
+ *  is set to OBJECTS_LOCAL.  if the RWLock ID is global and
+ *  resides on a remote node, then location is set to OBJECTS_REMOTE,
+ *  and the_RWLock is undefined.  Otherwise, location is set
+ *  to OBJECTS_ERROR and the_RWLock is undefined.
+ */
+RTEMS_INLINE_ROUTINE POSIX_RWLock_Control *_POSIX_RWLock_Get (
+  pthread_rwlock_t *RWLock,
+  Objects_Locations *location
+)
+{
+  return (POSIX_RWLock_Control *) _Objects_Get(
+      &_POSIX_RWLock_Information,
+      (Objects_Id) *RWLock,
+      location
+  );
+}
+
+/**
+ *  @brief _POSIX_RWLock_Is_null
+ *
+ *  This function returns TRUE if the_RWLock is NULL and FALSE otherwise.
+ */
+RTEMS_INLINE_ROUTINE bool _POSIX_RWLock_Is_null (
+  POSIX_RWLock_Control *the_RWLock
+)
+{
+  return ( the_RWLock == NULL );
+}
+
+#endif
+/*  end of include file */