Prayer

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <pthread.h>

#define THREAD_NUM  3
pthread_t threadBuf[THREAD_NUM];
int       tcBuf[THREAD_NUM];

void* threadOpr1(void* arg);
void* threadOpr2(void* arg);

/**********************************
試驗一個線程殺死其他的線程
但是進程不退出
***********************************/
int main(){
   int i=0;
  
    for(i = 0; i < THREAD_NUM; i++){
        tcBuf[i] = i + 1;
        if( (pthread_create(&threadBuf[i], NULL,threadOpr1,
            &tcBuf[i])) != 0 ) {
            printf("pthread_create \n");
            return -1;           
        }    
    } 
    sleep(5);
    if( (pthread_create(&threadBuf[i], NULL,threadOpr2,
        NULL)) != 0 ) {
        printf("pthread_create \n");
        return -1;           
    }
    sleep(30);
    printf("main exit\n");     
    return 0;  
}
/**********************************
被殺死的線程函數
***********************************/
void* threadOpr1(void* arg){
    int tcId=*(int *)arg;
    int i=0;
    while(i<10){
       printf("%d live\n",tcId);
       i++;
       sleep(2); 
    }
    printf("killed exit\n");
   pthread_exit(NULL);
}

/**********************************
殺死其他線程的線程
***********************************/
void* threadOpr2(void* arg){
    int i=0;
    for(i = 0; i < THREAD_NUM; i++){
        if( (pthread_kill(threadBuf[i],SIGTERM)) != 0 ) {
            printf("pthread_kill \n");
            pthread_exit(NULL);           
        }    
    }
    sleep(30); 
    printf("killer exit \n");    
   pthread_exit(NULL);
}
結果：
1 live
2 live
3 live
1 live
2 live
3 live
1 live
2 live
3 live
Terminated