Merge pull request #5338 from maciejbocianski/malloc_fix

malloc test: fix out of memory problem for NUCLEO_F070RB
ARMmbed · Nov 2, 2017 · d1c65c9 · d1c65c9
2 parents 9163ddf + 6bda590
commit d1c65c9
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/TESTS/mbedmicro-rtos-mbed/malloc/main.cpp b/TESTS/mbedmicro-rtos-mbed/malloc/main.cpp
@@ -54,17 +54,22 @@ void task_using_malloc(void)
 
 int main()
 {
+ // static stack for threads to reduce heap usage on devices with small RAM
+ // and eliminate run out of heap memory problem
+ MBED_ALIGN(8) uint8_t stack[THREAD_STACK_SIZE * NUM_THREADS];
+
  Thread *thread_list[NUM_THREADS];
  int test_time = 15;
  GREENTEA_SETUP(20, "default_auto");
 
  // Allocate threads for the test
  for (int i = 0; i < NUM_THREADS; i++) {
- thread_list[i] = new Thread(osPriorityNormal, THREAD_STACK_SIZE);
+ thread_list[i] = new Thread(osPriorityNormal, THREAD_STACK_SIZE, stack + i * THREAD_STACK_SIZE);
  if (NULL == thread_list[i]) {
  allocation_failure = true;
+ } else {
+ thread_list[i]->start(task_using_malloc);
  }
- thread_list[i]->start(task_using_malloc);
  }
 
  // Give the test time to run