clear_barrierT_clear_barrierClearBarrierClearBarrierclear_barrier (Operator)

名称

clear_barrierT_clear_barrierClearBarrierClearBarrierclear_barrier — 销毁屏障同步对象。

签名

描述

clear_barrierclear_barrierClearBarrierClearBarrierClearBarrierclear_barrier destroys the barrier object given in BarrierHandleBarrierHandleBarrierHandleBarrierHandlebarrierHandlebarrier_handle. No threads should be waiting on the barrier at the time clear_barrierclear_barrierClearBarrierClearBarrierClearBarrierclear_barrier is called. After calling clear_barrierclear_barrierClearBarrierClearBarrierClearBarrierclear_barrier, the barrier can no longer be used. The handle BarrierHandleBarrierHandleBarrierHandleBarrierHandlebarrierHandlebarrier_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:

• BarrierHandleBarrierHandleBarrierHandleBarrierHandlebarrierHandlebarrier_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 barrier handle is valid, the operator clear_barrierclear_barrierClearBarrierClearBarrierClearBarrierclear_barrier returns 2 ( H_MSG_TRUE) . If necessary, an exception is raised.

可能的前置算子

create_barriercreate_barrierCreateBarrierCreateBarrierCreateBarriercreate_barrier

另见

create_barriercreate_barrierCreateBarrierCreateBarrierCreateBarriercreate_barrier

模块

Foundation