72 lines
1.1 KiB
C
72 lines
1.1 KiB
C
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#include "stdio.h"
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#include "pthread.h"
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pthread_mutex_t mutex;
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pthread_cond_t condition;
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unsigned int i = 0;
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void *threadFunc1(void *arg){
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pthread_mutex_lock(&mutex);
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pthread_cond_wait(&condition,&mutex);
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pthread_mutex_unlock(&mutex);
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printf("aaaaaaa %d\n",i);
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pthread_exit((void *)0);
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}
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void *threadFunc2(void *arg){
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pthread_mutex_lock(&mutex);
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pthread_cond_wait(&condition,&mutex); //??? 这里人存在问题
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pthread_mutex_unlock(&mutex);
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printf("vbbbbbbbbbb %d\n",i);
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pthread_exit((void *)0);
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}
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int main(int argc, char const *argv[])
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{
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pthread_mutex_init(&mutex,NULL);
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pthread_cond_init(&condition,NULL);
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pthread_t thread1,thread2;
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pthread_create(&thread1,NULL,threadFunc1,(void *)0);
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pthread_create(&thread2,NULL,threadFunc2,(void *)0);
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while(1){
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pthread_mutex_lock(&mutex);
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i++;
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pthread_mutex_unlock(&mutex);
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if (i==100000000)
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{
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//
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pthread_cond_broadcast(&condition);
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break;
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}
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}
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pthread_join(thread1,NULL);
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pthread_join(thread2,NULL);
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pthread_cond_destroy(&condition);
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pthread_mutex_destroy(&mutex);
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return 0;
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}
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