signal handler 例子

#include 
#include 
#include 
#include 
#include 


void sig_handler(int i) {
    std::cout << "sig_handler int" << std::endl; 
    exit(1);
}

int main() {
    signal(SIGINT,sig_handler);
    while(true) {
        sleep(1);
    }
    return 0;
}