c++锁 测试 (gcc test.cpp -o test -lpthread)

c++锁 测试 (gcc test.cpp -o test -lpthread)

#include <pthread.h>
#include <stdio.h>
#include<unistd.h>
pthread_mutex_t mutex ;
void *print_msg(void *arg){
        int i=0;
        pthread_mutex_lock(&mutex);  
        for(i=0;i<15;i++){
                printf("output : %d
",i);
                usleep(100);
        }
        pthread_mutex_unlock(&mutex);  
}
int main(int argc,char** argv){
        pthread_t id1;
        pthread_t id2;
        pthread_mutex_init(&mutex,NULL);
        pthread_create(&id1,NULL,print_msg,NULL);
        pthread_create(&id2,NULL,print_msg,NULL);
        pthread_join(id1,NULL);
        pthread_join(id2,NULL);
        pthread_mutex_destroy(&mutex);
        return 1;
}
原文地址:https://www.cnblogs.com/whutqueqiaoxian/p/11157882.html