__pos4obj_lock
if (__pos4obj_lock(path, MQ_LOCK_TYPE) < 0)
if (__pos4obj_lock(path, MQ_LOCK_TYPE) < 0) {
extern int __pos4obj_lock(const char *, const char *);
if (__pos4obj_lock(path, SEM_LOCK_TYPE) < 0)
if (__pos4obj_lock(path, SEM_LOCK_TYPE) < 0)
if (__pos4obj_lock(path, SHM_LOCK_TYPE) < 0)
if (__pos4obj_lock(path, SHM_LOCK_TYPE) < 0)