34     inner: SpinLock<MutexInner>,  field
51             inner: SpinLock::new(MutexInner {  in new()
64             let mut inner: SpinLockGuard<MutexInner> = self.inner.lock();  in lock()  localVariable
66             if inner.is_locked {  in lock()
68                 if !self.check_pid_in_wait_list(&inner, ProcessManager::current_pcb().pid()) {  in lock()
69                     inner.wait_list.push_back(ProcessManager::current_pcb());  in lock()
73                 drop(inner);  in lock()
77                 inner.is_locked = true;  in lock()
78                 drop(inner);  in lock()
93         let mut inner = self.inner.lock();  in try_lock()  localVariable
96         if inner.is_locked {  in try_lock()
100             inner.is_locked = true;  in try_lock()
117         let mut inner: SpinLockGuard<MutexInner> = self.inner.lock();  in unlock()  localVariable
119         assert!(inner.is_locked);  in unlock()
121         inner.is_locked = false;  in unlock()
122         if inner.wait_list.is_empty() {  in unlock()
127         let to_wakeup: Arc<ProcessControlBlock> = inner.wait_list.pop_front().unwrap();  in unlock()
128         drop(inner);  in unlock()
135     fn check_pid_in_wait_list(&self, inner: &MutexInner, pid: Pid) -> bool {  in check_pid_in_wait_list()
136         for p in inner.wait_list.iter() {  in check_pid_in_wait_list()