【C语言】thread_kill

signal_kill_test.c

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

void thread()
{
        signal(SIGUSR1, pthread_exit);
        int i = 0;
        while(1)
        {
                printf("thread%d: %d second\n",pthread_self(), i);
                sleep(5);
                i += 5;
        }
}

void main()
{
        pthread_t thid[3];
        pthread_create(&thid[0], NULL, (void*)thread, NULL);
        pthread_detach(thid[0]);
        pthread_create(&thid[1], NULL, (void*)thread, NULL);
        pthread_detach(thid[1]);
        sleep(6);
        int num = pthread_kill(thid[0], SIGUSR1);
        printf("send signal and return %d\n", num);
        sleep(100);
}

gcc signal_kill_test.c -lpthread
./a.out
# ./a.out
thread1192220416: 0 second
thread1202710272: 0 second
thread1192220416: 5 second
thread1202710272: 5 second
send signal and return 0
thread1192220416: 10 second
thread1192220416: 15 second
thread1192220416: 20 second
thread1192220416: 25 second
thread1192220416: 30 second
thread1192220416: 35 second
thread1192220416: 40 second