fcntl 守护 fcn style pes clu sighup spa init
- #include <signal.h>
- #include <sys/types/h>
- #include <sys/stats.h>
- #include <unistd.h>
- #include <fcntl.h>
- void InitDaemon()
- {
- pid_t pid = 0;
- if ((pid = fock()) != 0)
- {
- exit(0);
- }
- setsid();
- signal(SIGINT, SIG_IGN);
- signal(SIGHUP, SIG_IGN);
- signal(SIGQUIT, SIG_IGN);
- signal(SIGPIPE, SIG_IGN);
- signal(SIGTTOU, SIG_IGN);
- signal(SIGTTIN, SIG_IGN);
- signal(SIGCHLD, SIG_IGN);
- signal(SIGTERM, SIG_IGN);
- signal(SIGHUP, SIG_IGN);
- if ((pid = fock()) != 0)
- {
- exit(0);
- }
- umask(0);
- }
linux守护进程
来源: http://www.bubuko.com/infodetail-2416774.html