Java Multi-threaded series JUC thread pool The original Understanding Analysis (VI.) 07

Close the thread pool

The source code of shutdown () is as follows:

 Public voidshutdown () {FinalReentrantlock Mainlock = This. Mainlock; //Get lockMainlock.lock (); Try {        //check that the thread pool's threads have permission to terminate. checkshutdownaccess (); //sets the status of the thread pool to off state. advancerunstate (SHUTDOWN); //Threads that are idle in the thread pool. interruptidleworkers (); //The hook function does not have any action in the Threadpoolexecutor. OnShutdown ();//Hook for Scheduledthreadpoolexecutor}finally {        //Release LockMainlock.unlock (); }    //attempt to terminate the thread pooltryterminate ();}

Java Multi-threaded series JUC thread pool The original Understanding Analysis (VI.) 07