ll_pthread_mutex_lock 59 tools/lib/lockdep/preload.c static int (*ll_pthread_mutex_lock)(pthread_mutex_t *mutex) = __pthread_mutex_lock; ll_pthread_mutex_lock 271 tools/lib/lockdep/preload.c r = ll_pthread_mutex_lock(mutex); ll_pthread_mutex_lock 428 tools/lib/lockdep/preload.c ll_pthread_mutex_lock = dlsym(RTLD_NEXT, "pthread_mutex_lock");