Linux程序的常用信号中断捕获代码
Linux程序的常用信号中断捕获代码
Linux程序经常需要捕获一些中断信号,如按下CTRL+C就会触发SIGTERM信号等,
- if (atexit(&cleanup)) //atexit现在不鼓励用了,常用来做程序退出的后处理工作
- {
- fprintf(stderr, "cannot set exit function\n");
- return EXIT_FAILURE;
- }
- signal (SIGINT, &catch_int);
- signal (SIGTERM, &catch_term);
- #ifdef __WIN32__
- signal (SIGBREAK, &catch_break);
- #else
- signal (SIGHUP, &catch_hup);
- signal (SIGQUIT, &catch_quit);
- #endif
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