diff options
Diffstat (limited to 'daemon.c')
| -rw-r--r-- | daemon.c | 33 |
1 files changed, 33 insertions, 0 deletions
@@ -88,6 +88,9 @@ daemonize (const char *logfile, void (*termhook)(int)) int fd; pid_t childpid; RETSIGTYPE sigchld_handler(int); +#ifdef HAVE_SIGACTION + struct sigaction sa_new; +#endif /* HAVE_SIGACTION */ /* if we are started by init (process 1) via /etc/inittab we needn't bother to detach from our process group context */ @@ -96,14 +99,31 @@ daemonize (const char *logfile, void (*termhook)(int)) goto nottyDetach; /* Ignore BSD terminal stop signals */ +#ifdef HAVE_SIGACTION + memset (&sa_new, 0, sizeof sa_new); + sigemptyset (&sa_new.sa_mask); + sa_new.sa_handler = SIG_IGN; +#endif /* HAVE_SIGACTION */ #ifdef SIGTTOU +#ifndef HAVE_SIGACTION signal(SIGTTOU, SIG_IGN); +#else + sigaction (SIGTTOU, &sa_new, NULL); +#endif /* HAVE_SIGACTION */ #endif #ifdef SIGTTIN +#ifndef HAVE_SIGACTION signal(SIGTTIN, SIG_IGN); +#else + sigaction (SIGTTIN, &sa_new, NULL); +#endif /* HAVE_SIGACTION */ #endif #ifdef SIGTSTP +#ifndef HAVE_SIGACTION signal(SIGTSTP, SIG_IGN); +#else + sigaction (SIGTSTP, &sa_new, NULL); +#endif /* HAVE_SIGACTION */ #endif /* In case we were not started in the background, fork and let @@ -144,7 +164,11 @@ daemonize (const char *logfile, void (*termhook)(int)) #endif /* lose controlling tty */ +#ifndef HAVE_SIGACTION signal(SIGHUP, SIG_IGN); +#else + sigaction (SIGHUP, &sa_new, NULL); +#endif /* HAVE_SIGACTION */ if ((childpid = fork()) < 0) { report(stderr, "fork (%)\n", strerror(errno)); return(PS_IOERR); @@ -197,9 +221,18 @@ nottyDetach: #endif /* set up to catch child process termination signals */ +#ifndef HAVE_SIGACTION signal(SIGCHLD, sigchld_handler); +#else + sa_new.sa_handler = sigchld_handler; + sigaction (SIGCHLD, &sa_new, NULL); +#endif /* HAVE_SIGACTION */ #if defined(SIGPWR) +#ifndef HAVE_SIGACTION signal(SIGPWR, sigchld_handler); +#else + sigaction (SIGPWR, &sa_new, NULL); +#endif /* HAVE_SIGACTION */ #endif return(0); |