use_lock 2461 oshmem/mca/memheap/ptmalloc/malloc.c #define PREACTION(M) ((GLOBALLY_INITIALIZE() || use_lock(M))? ACQUIRE_LOCK(&(M)->mutex) : 0) use_lock 2462 oshmem/mca/memheap/ptmalloc/malloc.c #define POSTACTION(M) { if (use_lock(M)) RELEASE_LOCK(&(M)->mutex); }