Mercurial > hg > Applications > mh
view sbr/push.c @ 0:bce86c4163a3
Initial revision
author | kono |
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date | Mon, 18 Apr 2005 23:46:02 +0900 |
parents | |
children | 441a2190cfae |
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/* push.c - push a fork into the background */ #ifndef lint static char ident[] = "@(#)$Id$"; #endif /* lint */ #include "../h/mh.h" #include <stdio.h> #include <signal.h> void push () { register int i; for (i = 0; i < 5; i++) { switch (fork ()) { case NOTOK: sleep (5); continue; case OK: (void) signal (SIGHUP, SIG_IGN); (void) signal (SIGINT, SIG_IGN); (void) signal (SIGQUIT, SIG_IGN); (void) signal (SIGTERM, SIG_IGN); #ifdef SIGTSTP (void) signal (SIGTSTP, SIG_IGN); (void) signal (SIGTTIN, SIG_IGN); (void) signal (SIGTTOU, SIG_IGN); #endif /* SIGTSTP */ (void) freopen ("/dev/null", "r", stdin); (void) freopen ("/dev/null", "w", stdout); break; default: done (0); } break; } if (i >= 5) advise (NULLCP, "unable to fork, so can't push..."); }