The role of the join action is to synchronize multiple threads of parallel execution started by fork actions.

join动作的功能是要同步fork动作启动的多个并行执行的线程。

youdao

The role of the join action is to synchronize multiple threads of parallel execution started by fork actions.

join动作的功能是要同步fork动作启动的多个并行执行的线程。

youdao