信号忽略行为

信号忽略行为

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

int main()
{
    struct sigaction nact, oact;
    nact.sa_handler = SIG_IGN; // 忽略行为
    nact.sa_flags = 0;
    sigemptyset(&nact.sa_mask);

    sigaction(SIGINT, &nact, &oact);

    while (1);

    return 0;
}