1 files changed, 70 insertions, 0 deletions
diff --git a/cpukit/posix/src/mutexlocksupp.c b/cpukit/posix/src/mutexlocksupp.c
new file mode 100644
index 0000000000..43c80d054e
--- /dev/null
+++ b/cpukit/posix/src/mutexlocksupp.c
@@ -0,0 +1,70 @@
+/*
+ *  COPYRIGHT (c) 1989-2007.
+ *  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.
+ *
+ *  $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <errno.h>
+#include <pthread.h>
+
+#include <rtems/system.h>
+#include <rtems/score/coremutex.h>
+#include <rtems/score/watchdog.h>
+#if defined(RTEMS_MULTIPROCESSING)
+#include <rtems/score/mpci.h>
+#endif
+#include <rtems/posix/mutex.h>
+#include <rtems/posix/priority.h>
+#include <rtems/posix/time.h>
+
+/*PAGE
+ *
+ *  _POSIX_Mutex_Lock_support
+ *
+ *  A support routine which implements guts of the blocking, non-blocking, and
+ *  timed wait version of mutex lock.
+ */
+
+int _POSIX_Mutex_Lock_support(
+  pthread_mutex_t           *mutex,
+  bool                       blocking,
+  Watchdog_Interval          timeout
+)
+{
+  register POSIX_Mutex_Control *the_mutex;
+  Objects_Locations             location;
+  ISR_Level                     level;
+
+  the_mutex = _POSIX_Mutex_Get_interrupt_disable( mutex, &location, &level );
+  switch ( location ) {
+
+    case OBJECTS_LOCAL:
+      _CORE_mutex_Seize(
+        &the_mutex->Mutex,
+        the_mutex->Object.id,
+        blocking,
+        timeout,
+        level
+      );
+      return _POSIX_Mutex_Translate_core_mutex_return_code(
+        (CORE_mutex_Status) _Thread_Executing->Wait.return_code
+      );
+
+#if defined(RTEMS_MULTIPROCESSING)
+    case OBJECTS_REMOTE:
+#endif
+    case OBJECTS_ERROR:
+      break;
+  }
+
+  return EINVAL;
+}