Unlimited objects support for POSIX keys

This patch enables unlimited model in POSIX key manger and have a decent
runtime on POSIX key searching, adding and deleting operations.  Memory
overhead is lower than current implementation when the size of key and key
value becomes big.

1 files changed, 8 insertions, 56 deletions

diff --git a/cpukit/posix/src/keycreate.c b/cpukit/posix/src/keycreate.c
index b41b59017e..349e88378a 100644
--- a/cpukit/posix/src/keycreate.c
+++ b/cpukit/posix/src/keycreate.c
@@ -1,17 +1,17 @@
 /**
- *  @file
+ * @file
  *
- *  @brief Thread-Specific Data Key Create
- *  @ingroup POSIXAPI
+ * @brief Thread-Specific Data Key Create
+ * @ingroup POSIXAPI
  */
 
 /*
- *  COPYRIGHT (c) 1989-2010.
- *  On-Line Applications Research Corporation (OAR).
+ * 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.
+ * 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.
  */
 
 #if HAVE_CONFIG_H
@@ -37,10 +37,6 @@ int pthread_key_create(
 )
 {
   POSIX_Keys_Control  *the_key;
-  void                *table;
-  uint32_t             the_api;
-  uint32_t             bytes_to_allocate;
-
 
   _Thread_Disable_dispatch();
 
@@ -52,50 +48,6 @@ int pthread_key_create(
   }
 
   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();