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-rw-r--r--cpukit/score/src/objectfree.c69
1 files changed, 69 insertions, 0 deletions
diff --git a/cpukit/score/src/objectfree.c b/cpukit/score/src/objectfree.c
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+/*
+ * Object Handler
+ *
+ *
+ * COPYRIGHT (c) 1989-1999.
+ * 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 <rtems/system.h>
+#include <rtems/score/address.h>
+#include <rtems/score/chain.h>
+#include <rtems/score/object.h>
+#if defined(RTEMS_MULTIPROCESSING)
+#include <rtems/score/objectmp.h>
+#endif
+#include <rtems/score/thread.h>
+#include <rtems/score/wkspace.h>
+#include <rtems/score/sysstate.h>
+#include <rtems/score/isr.h>
+
+/*PAGE
+ *
+ * _Objects_Free
+ *
+ * DESCRIPTION:
+ *
+ * This function frees a object control block to the
+ * inactive chain of free object control blocks.
+ */
+
+void _Objects_Free(
+ Objects_Information *information,
+ Objects_Control *the_object
+)
+{
+ uint32_t allocation_size = information->allocation_size;
+
+ _Chain_Append( &information->Inactive, &the_object->Node );
+
+ if ( information->auto_extend ) {
+ uint32_t block;
+
+ block = (uint32_t) (_Objects_Get_index( the_object->id ) -
+ _Objects_Get_index( information->minimum_id ));
+ block /= information->allocation_size;
+
+ information->inactive_per_block[ block ]++;
+ information->inactive++;
+
+ /*
+ * Check if the threshold level has been met of
+ * 1.5 x allocation_size are free.
+ */
+
+ if ( information->inactive > ( allocation_size + ( allocation_size >> 1 ) ) ) {
+ _Objects_Shrink_information( information );
+ }
+ }
+}