change log for rtems (2011-02-17)
rtems-vc at rtems.org
rtems-vc at rtems.org
Thu Feb 17 15:10:34 UTC 2011
*sh*:
2011-02-17 Sebastian Huber <sebastian.huber at embedded-brains.de>
* libcsupport/src/rtems_heap_extend.c: New file.
* libcsupport/Makefile.am: Reflect change from above.
* libcsupport/include/rtems/malloc.h: Declare rtems_heap_extend().
* score/include/rtems/score/heap.h: Documentation.
M 1.2715 cpukit/ChangeLog
M 1.133 cpukit/libcsupport/Makefile.am
M 1.12 cpukit/libcsupport/include/rtems/malloc.h
A 1.1 cpukit/libcsupport/src/rtems_heap_extend.c
M 1.45 cpukit/score/include/rtems/score/heap.h
diff -u rtems/cpukit/ChangeLog:1.2714 rtems/cpukit/ChangeLog:1.2715
--- rtems/cpukit/ChangeLog:1.2714 Wed Feb 16 01:37:35 2011
+++ rtems/cpukit/ChangeLog Thu Feb 17 08:17:08 2011
@@ -1,3 +1,10 @@
+2011-02-17 Sebastian Huber <sebastian.huber at embedded-brains.de>
+
+ * libcsupport/src/rtems_heap_extend.c: New file.
+ * libcsupport/Makefile.am: Reflect change from above.
+ * libcsupport/include/rtems/malloc.h: Declare rtems_heap_extend().
+ * score/include/rtems/score/heap.h: Documentation.
+
2011-02-16 Sebastian Huber <sebastian.huber at embedded-brains.de>
* score/src/wkspace.c: Removed NULL pointer check from
diff -u rtems/cpukit/libcsupport/Makefile.am:1.132 rtems/cpukit/libcsupport/Makefile.am:1.133
--- rtems/cpukit/libcsupport/Makefile.am:1.132 Mon Aug 23 02:59:38 2010
+++ rtems/cpukit/libcsupport/Makefile.am Thu Feb 17 08:17:09 2011
@@ -98,7 +98,8 @@
src/malloc_report_statistics.c src/malloc_report_statistics_plugin.c \
src/malloc_statistics_helpers.c src/posix_memalign.c \
src/rtems_memalign.c src/malloc_deferred.c src/malloc_sbrk_helpers.c \
- src/malloc_dirtier.c src/malloc_p.h src/rtems_malloc.c
+ src/malloc_dirtier.c src/malloc_p.h src/rtems_malloc.c \
+ src/rtems_heap_extend.c
PASSWORD_GROUP_C_FILES = src/getpwent.c
diff -u rtems/cpukit/libcsupport/include/rtems/malloc.h:1.11 rtems/cpukit/libcsupport/include/rtems/malloc.h:1.12
--- rtems/cpukit/libcsupport/include/rtems/malloc.h:1.11 Wed Jun 30 10:36:48 2010
+++ rtems/cpukit/libcsupport/include/rtems/malloc.h Thu Feb 17 08:17:09 2011
@@ -161,6 +161,24 @@
uintptr_t boundary
);
+/**
+ * @brief Extends the memory available for the heap using the memory area
+ * starting at @a area_begin of size @a area_size bytes.
+ *
+ * There are no alignment requirements. The memory area must be big enough to
+ * contain some maintainance blocks. It must not overlap parts of the current
+ * heap areas. Disconnected subordinate heap areas will lead to used blocks
+ * which cover the gaps. Extending with an inappropriate memory area will
+ * corrupt the heap.
+ *
+ * @retval RTEMS_SUCCESSFUL Successful operation.
+ * @retval RTEMS_INVALID_ADDRESS Invalid memory area.
+ */
+rtems_status_code rtems_heap_extend(
+ void *area_begin,
+ uintptr_t area_size
+);
+
#ifdef __cplusplus
}
#endif
diff -u /dev/null rtems/cpukit/libcsupport/src/rtems_heap_extend.c:1.1
--- /dev/null Thu Feb 17 09:10:33 2011
+++ rtems/cpukit/libcsupport/src/rtems_heap_extend.c Thu Feb 17 08:17:09 2011
@@ -0,0 +1,45 @@
+/**
+ * @file
+ *
+ * @ingroup libcsupport
+ *
+ * @brief rtems_heap_extend() implementation.
+ */
+
+/*
+ * Copyright (c) 2011 embedded brains GmbH. All rights reserved.
+ *
+ * embedded brains GmbH
+ * Obere Lagerstr. 30
+ * 82178 Puchheim
+ * Germany
+ * <rtems at embedded-brains.de>
+ *
+ * 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 "malloc_p.h"
+
+rtems_status_code rtems_heap_extend(
+ void *area_begin,
+ uintptr_t area_size
+)
+{
+ bool ok = _Protected_heap_Extend(RTEMS_Malloc_Heap, area_begin, area_size);
+
+ if (ok) {
+ return RTEMS_SUCCESSFUL;
+ } else {
+ return RTEMS_INVALID_ADDRESS;
+ }
+}
+#endif /* RTEMS_NEWLIB */
diff -u rtems/cpukit/score/include/rtems/score/heap.h:1.44 rtems/cpukit/score/include/rtems/score/heap.h:1.45
--- rtems/cpukit/score/include/rtems/score/heap.h:1.44 Wed Aug 25 07:35:52 2010
+++ rtems/cpukit/score/include/rtems/score/heap.h Thu Feb 17 08:17:09 2011
@@ -430,15 +430,17 @@
);
/**
- * @brief Extends the memory area of the heap @a heap using the memory area
- * starting at @a area_begin of size @a area_size bytes.
+ * @brief Extends the memory available for the heap @a heap using the memory
+ * area starting at @a area_begin of size @a area_size bytes.
*
* The extended space available for allocation will be returned in
* @a amount_extended. This pointer may be @c NULL.
*
- * The memory area must be big enough to contain some maintainance blocks. It
- * must not overlap parts of the current heap areas. Disconnected subordinate
- * heap areas will lead to used blocks which cover the gaps.
+ * There are no alignment requirements. The memory area must be big enough to
+ * contain some maintainance blocks. It must not overlap parts of the current
+ * heap areas. Disconnected subordinate heap areas will lead to used blocks
+ * which cover the gaps. Extending with an inappropriate memory area will
+ * corrupt the heap.
*
* Returns @c true in case of success, and @c false otherwise.
*/
--
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