clear_mutexT_clear_mutexClearMutexClearMutexclear_mutex (Operator)

名称

clear_mutexT_clear_mutexClearMutexClearMutexclear_mutex — 清除互斥同步对象。

签名

描述

clear_mutexclear_mutexClearMutexClearMutexClearMutexclear_mutex destroys the mutex object given by MutexHandleMutexHandleMutexHandleMutexHandlemutexHandlemutex_handle. The mutex must be unlocked. After calling clear_mutexclear_mutexClearMutexClearMutexClearMutexclear_mutex, the mutex can no longer be used. The handle MutexHandleMutexHandleMutexHandleMutexHandlemutexHandlemutex_handle becomes invalid.

执行信息

• Multithreading type: independent (runs in parallel even with exclusive operators).
• Multithreading scope: global (may be called from any thread).
• Processed without parallelization.

This operator modifies the state of the following input parameter:

• MutexHandleMutexHandleMutexHandleMutexHandlemutexHandlemutex_handle

During execution of this operator, access to the value of this parameter must be synchronized if it is used across multiple threads.

参数

结果

If the mutex handle is valid, the operator clear_mutexclear_mutexClearMutexClearMutexClearMutexclear_mutex returns 2 ( H_MSG_TRUE) . If necessary, an exception is raised.

可能的前置算子

create_mutexcreate_mutexCreateMutexCreateMutexCreateMutexcreate_mutex

另见

create_mutexcreate_mutexCreateMutexCreateMutexCreateMutexcreate_mutex

模块

Foundation