Split mutex.c into multiple files.

1 files changed, 62 insertions, 0 deletions

diff --git a/c/src/exec/posix/src/mutexlocksupp.c b/c/src/exec/posix/src/mutexlocksupp.c
new file mode 100644
index 0000000000..843156c331
--- /dev/null
+++ b/c/src/exec/posix/src/mutexlocksupp.c
@@ -0,0 +1,62 @@
+/*
+ *  $Id$
+ */
+
+#include <assert.h>
+#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,
+  boolean                    blocking,
+  Watchdog_Interval          timeout
+)
+{
+  register POSIX_Mutex_Control *the_mutex;
+  Objects_Locations             location;
+ 
+  the_mutex = _POSIX_Mutex_Get( mutex, &location );
+  switch ( location ) {
+    case OBJECTS_REMOTE:
+#if defined(RTEMS_MULTIPROCESSING)
+      return _POSIX_Mutex_MP_Send_request_packet(
+          POSIX_MUTEX_MP_OBTAIN_REQUEST,
+          *mutex,
+          0,   /* must define the option set */
+          WATCHDOG_NO_TIMEOUT
+      );
+#endif
+    case OBJECTS_ERROR:
+      return EINVAL;
+    case OBJECTS_LOCAL:
+      _CORE_mutex_Seize(
+        &the_mutex->Mutex,
+        the_mutex->Object.id,
+        blocking,
+        timeout
+      );
+      _Thread_Enable_dispatch();
+      return _POSIX_Mutex_From_core_mutex_status(
+        (CORE_mutex_Status) _Thread_Executing->Wait.return_code
+      );
+  }
+  return POSIX_BOTTOM_REACHED();
+}