C++通过sigaction捕捉信号

测试程序

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// 通过sigaction捕捉信号

#include <iostream>

#include <signal.h>
#include <unistd.h>

void sigactionHandle(int sig) {
    std::cout << "SIGNAL: " << sig << std::endl;
}

int main(int argc, char *argv[]) {
    struct sigaction act, oact;

    act.sa_handler = sigactionHandle;
    sigfillset(&act.sa_mask);
    act.sa_flags = 0;
    sigaction(SIGINT, &act, &oact);

    // 等待信号
    pause();
}