linux多线程同步的方法 在线程对共享相同内存操作时，就会出现多个线程对同一资源的使用，为此，需要对这些线程进行同步，以确保它们在访问共享内存的时候不会访问到无效的数值。-linux multi-thread synchronization Threads share the same memory operation, there will be multiple threads use the same resources to do this, you need to synch

主要是针对linux系统编程中的多线程和多进程，里面有详细的说明和例子，相信你能看懂的！-Mainly for linux system programming of multi-threaded and multi-process, there are detailed descr iptions and examples, I believe you can understand!