c - 我希望让我的处理程序函数在提示您做出选择后导致程序停止执行，如下面的代码所示

Question

include
include
include
void handler(int n) {
    int x;
    char ch;
    printf("Are you sure you want to Quit?\n");
    if(scanf("%c",&ch)=='y'){ return 0; }

}

int main() {

    signal(SIGTSTP, handler);   // ^Z at keyboard
    for(;;){ }

}

Answer 1

return 0;

这不会终止您的程序。尝试exit(0);改用