From 96c041c42ba7cf9489113bb337c8dc9b344f152e Mon Sep 17 00:00:00 2001
From: Joel Sherrill <joel.sherrill@OARcorp.com>
Date: Tue, 2 Nov 1999 17:19:23 +0000
Subject: Split mutex.c into multiple files.

---
 cpukit/posix/src/mutexdestroy.c | 83 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 cpukit/posix/src/mutexdestroy.c

(limited to 'cpukit/posix/src/mutexdestroy.c')

diff --git a/cpukit/posix/src/mutexdestroy.c b/cpukit/posix/src/mutexdestroy.c
new file mode 100644
index 0000000000..33debda77c
--- /dev/null
+++ b/cpukit/posix/src/mutexdestroy.c
@@ -0,0 +1,83 @@
+/*
+ *  $Id$
+ */
+
+#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
+ *
+ *  11.3.2 Initializing and Destroying a Mutex, P1003.1c/Draft 10, p. 87
+ */
+
+int pthread_mutex_destroy(
+  pthread_mutex_t           *mutex
+)
+{
+  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)
+      _Thread_Dispatch();
+      return POSIX_MP_NOT_IMPLEMENTED();
+      return EINVAL;
+#endif
+    case OBJECTS_ERROR:
+      return EINVAL;
+    case OBJECTS_LOCAL:
+       /*
+        * XXX: There is an error for the mutex being locked
+        *  or being in use by a condition variable.
+        */
+
+      if ( _CORE_mutex_Is_locked( &the_mutex->Mutex ) ) {
+        _Thread_Enable_dispatch();
+        return EBUSY;
+      }
+ 
+      _Objects_Close( &_POSIX_Mutex_Information, &the_mutex->Object );
+ 
+      _CORE_mutex_Flush(
+        &the_mutex->Mutex,
+#if defined(RTEMS_MULTIPROCESSING)
+        _POSIX_Mutex_MP_Send_object_was_deleted,
+#else
+        NULL,
+#endif
+        EINVAL
+      );
+ 
+      _POSIX_Mutex_Free( the_mutex );
+ 
+#if defined(RTEMS_MULTIPROCESSING)
+      if ( the_mutex->process_shared == PTHREAD_PROCESS_SHARED ) {
+ 
+        _Objects_MP_Close( &_POSIX_Mutex_Information, the_mutex->Object.id );
+ 
+        _POSIX_Mutex_MP_Send_process_packet(
+          POSIX_MUTEX_MP_ANNOUNCE_DELETE,
+          the_mutex->Object.id,
+          0,                         /* Not used */
+          0                          /* Not used */
+        );
+      }
+#endif
+      _Thread_Enable_dispatch();
+      return 0;
+  }
+  return POSIX_BOTTOM_REACHED();
+}
-- 
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