linux不同信号之间发送信号测试

#include<stdio.h>
#include<pthread.h>
#include<stdlib.h>
#include<unistd.h>
#include<signal.h>

void *test_program(void *arg);

int main(int argc,char *argv[])
{
    int i;
    pthread_t thread_id;
    void *status;

    if(pthread_create(&thread_id,NULL,test_program,NULL)>0)
    {
        fprintf(stderr,"pthread_create failure\n");
        exit(EXIT_FAILURE);
    }
    sleep(5)
    printf("this is parent ,send kill signal to thread %d\n",thread_id);
    if(pthread_kill(thread_id,SIGKILL)!=0)
    {
        perror("pthread_kill");
        exit(EXIT_FAILURE);
    }
    return 0;
}

void *test_program(void *arg)
{
    int i;
    for(i=0;;i++)
    {
        sleep(1);
        printf("this is child thread ,%d\n",i);
        printf("wait for kill signal\n");
    }
    exit(EXIT_SUCCESS);
}