native_mutex_initialize  212 thread.c       	native_mutex_initialize(&debug_mutex);
native_mutex_initialize  493 thread.c           native_mutex_initialize(&th->interrupt_lock);
native_mutex_initialize 2893 thread.c           native_mutex_initialize(&mutex->lock);
native_mutex_initialize 3778 thread.c       	    native_mutex_initialize(lp);
native_mutex_initialize 3780 thread.c       	    native_mutex_initialize(&GET_THREAD()->interrupt_lock);
native_mutex_initialize   23 thread_pthread.c static void native_mutex_initialize(pthread_mutex_t *lock);
native_mutex_initialize  170 thread_pthread.c     native_mutex_initialize(&signal_thread_list_lock);
native_mutex_initialize   27 thread_win32.c static void native_mutex_initialize(rb_thread_lock_t *);