1 files changed, 99 insertions, 0 deletions
diff --git a/cpukit/posix/src/keycreate.c b/cpukit/posix/src/keycreate.c
new file mode 100644
index 0000000000..1fc87641e5
--- /dev/null
+++ b/cpukit/posix/src/keycreate.c
@@ -0,0 +1,99 @@
+/*
+ *  COPYRIGHT (c) 1989-2010.
+ *  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 <limits.h>
+#include <pthread.h>
+#include <string.h>
+
+#include <rtems/system.h>
+#include <rtems/score/thread.h>
+#include <rtems/score/wkspace.h>
+#include <rtems/posix/key.h>
+
+/*
+ *  17.1.1 Thread-Specific Data Key Create, P1003.1c/Draft 10, p. 163
+ */
+
+int pthread_key_create(
+  pthread_key_t  *key,
+  void          (*destructor)( void * )
+)
+{
+  POSIX_Keys_Control  *the_key;
+  void                *table;
+  uint32_t             the_api;
+  uint32_t             bytes_to_allocate;
+
+
+  _Thread_Disable_dispatch();
+
+  the_key = _POSIX_Keys_Allocate();
+
+  if ( !the_key ) {
+    _Thread_Enable_dispatch();
+    return EAGAIN;
+  }
+
+  the_key->destructor = destructor;
+
+  /*
+   *  This is a bit more complex than one might initially expect because
+   *  APIs are optional.
+   *
+   *  NOTE: Currently RTEMS Classic API tasks are always enabled.
+   */
+  for ( the_api = 1; the_api <= OBJECTS_APIS_LAST; the_api++ ) {
+    the_key->Values[ the_api ] = NULL;
+
+    #if defined(RTEMS_DEBUG)
+      /*
+       *  Since the removal of ITRON, this cannot occur.
+       */
+      if ( !_Objects_Information_table[ the_api ] )
+	continue;
+
+      /*
+       * Currently all managers are installed if the API is installed.
+       * This would be a horrible implementation error.
+       */
+      if (_Objects_Information_table[ the_api ][ 1 ] == NULL )
+	_Internal_error_Occurred(
+	  INTERNAL_ERROR_CORE,
+	  true,
+	  INTERNAL_ERROR_IMPLEMENTATION_KEY_CREATE_INCONSISTENCY
+	);
+    #endif
+
+    bytes_to_allocate = sizeof( void * ) *
+      (_Objects_Information_table[ the_api ][ 1 ]->maximum + 1);
+    table = _Workspace_Allocate( bytes_to_allocate );
+    if ( !table ) {
+      _POSIX_Keys_Free_memory( the_key );
+
+      _POSIX_Keys_Free( the_key );
+      _Thread_Enable_dispatch();
+      return ENOMEM;
+    }
+
+    the_key->Values[ the_api ] = table;
+    memset( table, '\0', bytes_to_allocate );
+  }
+
+  _Objects_Open_u32( &_POSIX_Keys_Information, &the_key->Object, 0 );
+  *key = the_key->Object.id;
+  _Thread_Enable_dispatch();
+  return 0;
+}