//
// 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;
}
}