Wait for notification mode with lock

Using lock to realize waiting and notification mode Keyword synchronized, class ReentrantLock to realize waiting and notification mode ReentrantLock class In Java multithreading, the synchronized keyword can be used to realize the synchronization and mutual exclusion between threads, but in jdk1 The newly added ReentrantLock class in 5 can a ...

Posted by Ruski on Thu, 17 Feb 2022 09:20:26 +0100

Verify the whole process of object header change during synchronized lock upgrade - springboot actual e-commerce project mall4j

springboot e-commerce project mall4j( https://gitee.com/gz-yami/mall4j) java open source mall system Verify the whole process of object header change during synchronized lock upgrade jdk version: 1.8 System: Windows 10 64 bit jvm startup parameters: - XX:BiasedLockingStartupDelay=0 (cancel delayed load bias lock) First, we need to know ...

Posted by tomhath on Thu, 10 Feb 2022 16:43:33 +0100

pthread Queue for thread synchronization

pthread Queue for thread synchronization Original link https://www.foxzzz.com/queue-with-thread-synchronization/ In recent days, pthread needs to be used to implement a Queue with thread synchronization function. In the process, two pits are stepped on: pthread_cond_wait() needs to be placed in pthread_mutex_lock() and pthread_mutex_unlock( ...

Posted by mrwutang on Fri, 19 Nov 2021 18:04:14 +0100