clntraw_lock
mutex_lock(&clntraw_lock);
mutex_unlock(&clntraw_lock);
mutex_unlock(&clntraw_lock);
mutex_lock(&clntraw_lock);
mutex_unlock(&clntraw_lock);
mutex_unlock(&clntraw_lock);
mutex_lock(&clntraw_lock);
mutex_unlock(&clntraw_lock);
mutex_unlock(&clntraw_lock);
mutex_t clntraw_lock = MUTEX_INITIALIZER;
extern mutex_t clntraw_lock;