Mutex
来源：互联网 发布：视频剪辑的电脑软件 编辑：程序博客网 时间：2024/05/17 23:58
#include <stdlib.h>#include <pthread.h>#include <iostream>using namespace std;int f_count = 5;pthread_mutex_t f_lock;// = PTHREAD_MUTEX_INITIALIZER;说是静态的用该宏进行初始化void *test(void *arg){ pthread_mutex_lock(&f_lock);f_count++;cout<<"child"<<" "<<pthread_self()<<endl;cout<< f_count<<endl;pthread_mutex_unlock(&f_lock);return ((void*)0);}int main(){pthread_mutex_init(&f_lock, NULL);//动态的用该函数初始化，并通过destroy销毁，试了一下，静态也可以通过该方式初始化pthread_t test_thread;pthread_create(&test_thread,NULL, test, NULL);sleep(1);pthread_mutex_lock(&f_lock);f_count++;cout<<"parent"<<" "<<getpid()<<endl;cout<< f_count<<endl;pthread_mutex_unlock(&f_lock);pthread_mutex_destroy(&f_lock);return 0;}
