From: Chris Johns <chr...@rtems.org>
- Call the heap extend handler until all memory has been
requested.
Closes #3982
---
cpukit/libcsupport/src/rtems_heap_greedy.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/cpukit/libcsupport/src/rtems_heap_greedy.c
b/cpukit/libcsupport/src/rtems_heap_greedy.c
index 4dda39873f..2361f17d2e 100644
--- a/cpukit/libcsupport/src/rtems_heap_greedy.c
+++ b/cpukit/libcsupport/src/rtems_heap_greedy.c
@@ -30,8 +30,20 @@ void *rtems_heap_greedy_allocate(
size_t block_count
)
{
+ Heap_Control *heap = RTEMS_Malloc_Heap;
+ size_t size = 128 * 1024 * 1024;
void *opaque;
+ while (size > 0) {
+ opaque = (*rtems_malloc_extend_handler)( heap, size );
+ if (opaque == NULL) {
+ size >>= 1;
+ } else {
+ if ( rtems_malloc_dirty_helper != NULL )
+ (*rtems_malloc_dirty_helper)( opaque, size );
+ }
+ }
+
_RTEMS_Lock_allocator();
opaque = _Heap_Greedy_allocate( RTEMS_Malloc_Heap, block_sizes, block_count
);
_RTEMS_Unlock_allocator();
--
2.24.1
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