//

// Created by gxf on 2019/12/13.

//

#include <stdio.h>

#include <stdlib.h>

#include <pthread.h>

int shareInt = 0;

void increase_num(void);

int main() {

    int ret;

    pthread_t thread1, thread2, thread3;

    ret = pthread_create(&thread1, NULL, increase_num, NULL);

    ret = pthread_create(&thread2, NULL, increase_num, NULL);

    ret = pthread_create(&thread3, NULL, increase_num, NULL);

    pthread_join(thread1, NULL);

    pthread_join(thread2, NULL);

    pthread_join(thread3, NULL);

    printf("sharedInt:%d\n", shareInt);

    return 0;

}

void increase_num(void) {

    long i, tmp;

    for (i=0; i <= 100000; i++) {

        tmp = shareInt;

        tmp = tmp + 1;

        shareInt = tmp;

    }

}