2007-12-19 Joel Sherrill <joel.sherrill@OARcorp.com>

	* libcsupport/Makefile.am, libcsupport/include/rtems/malloc.h,
	libcsupport/src/free.c, libcsupport/src/malloc.c,
	libcsupport/src/malloc_p.h,
	libcsupport/src/malloc_report_statistics_plugin.c,
	libmisc/shell/shell.c, libmisc/shell/shell.h,
	score/src/objectinitializeinformation.c: Add posix_memalign. Split
	out management of deferred frees to subroutines.
	* libcsupport/src/malloc_deferred.c, libcsupport/src/posix_memalign.c: New files.

1 files changed, 53 insertions, 0 deletions

diff --git a/cpukit/libcsupport/src/malloc_deferred.c b/cpukit/libcsupport/src/malloc_deferred.c
new file mode 100644
index 0000000000..9e8a259deb
--- /dev/null
+++ b/cpukit/libcsupport/src/malloc_deferred.c
@@ -0,0 +1,53 @@
+/*
+ *  Process free requests deferred because they were from ISR
+ *  or other critical section.
+ *
+ *  COPYRIGHT (c) 1989-2007.
+ *  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
+
+#ifdef RTEMS_NEWLIB
+#include <stdlib.h>
+#include <errno.h>
+
+#include "malloc_p.h"
+
+boolean malloc_is_system_state_OK(void)
+{
+  if ( _Thread_Dispatch_disable_level > 0 )
+    return FALSE;
+
+  if ( _ISR_Nest_level > 0 )
+    return FALSE;
+
+  return TRUE;
+}
+
+void malloc_process_deferred_frees(void)
+{
+  Chain_Node  *to_be_freed;
+
+  /*
+   *  If some free's have been deferred, then do them now.
+   */
+  while ((to_be_freed = Chain_Get(&RTEMS_Malloc_GC_list)) != NULL)
+    free(to_be_freed);
+}
+
+void malloc_defer_free(
+  void *pointer
+)
+{
+  Chain_Append(&RTEMS_Malloc_GC_list, (Chain_Node *)pointer);
+}
+#endif