ACQUIRE_LOCK     1764 oshmem/mca/memheap/ptmalloc/malloc.c #define ACQUIRE_MORECORE_LOCK()    ACQUIRE_LOCK(&morecore_mutex);
ACQUIRE_LOCK     1772 oshmem/mca/memheap/ptmalloc/malloc.c #define ACQUIRE_MAGIC_INIT_LOCK()  ACQUIRE_LOCK(&magic_init_mutex);
ACQUIRE_LOCK     2461 oshmem/mca/memheap/ptmalloc/malloc.c #define PREACTION(M)  ((GLOBALLY_INITIALIZE() || use_lock(M))? ACQUIRE_LOCK(&(M)->mutex) : 0)