diplodocus.org Git - nmh/blob - docs/historical/mh-6.8.5/sbr/RCS/push.c,v

   1 head    1.3;
   2 access;
   3 symbols;
   4 locks; strict;
   5 comment @ * @;
   6
   7
   8 1.3
   9 date    92.12.15.00.20.22;      author jromine; state Exp;
  10 branches;
  11 next    1.2;
  12
  13 1.2
  14 date    92.12.14.17.47.34;      author jromine; state Exp;
  15 branches;
  16 next    1.1;
  17
  18 1.1
  19 date    92.12.14.17.44.38;      author jromine; state Exp;
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  22
  23
  24 desc
  25 @@
  26
  27
  28 1.3
  29 log
  30 @endif sugar
  31 @
  32 text
  33 @/* push.c - push a fork into the background */
  34 #ifndef lint
  35 static char ident[] = "@@(#)$Id: push.c,v 1.2 1992/12/14 17:47:34 jromine Exp jromine $";
  36 #endif  /* lint */
  37
  38 #include "../h/mh.h"
  39 #include <stdio.h>
  40 #include <signal.h>
  41
  42
  43 void    push () {
  44     register int     i;
  45
  46     for (i = 0; i < 5; i++) {
  47         switch (fork ()) {
  48             case NOTOK:
  49                 sleep (5);
  50                 continue;
  51
  52             case OK:
  53                 (void) signal (SIGHUP, SIG_IGN);
  54                 (void) signal (SIGINT, SIG_IGN);
  55                 (void) signal (SIGQUIT, SIG_IGN);
  56                 (void) signal (SIGTERM, SIG_IGN);
  57 #ifdef  SIGTSTP
  58                 (void) signal (SIGTSTP, SIG_IGN);
  59                 (void) signal (SIGTTIN, SIG_IGN);
  60                 (void) signal (SIGTTOU, SIG_IGN);
  61 #endif  /* SIGTSTP */
  62                 (void) freopen ("/dev/null", "r", stdin);
  63                 (void) freopen ("/dev/null", "w", stdout);
  64                 break;
  65
  66             default:
  67                 done (0);
  68         }
  69         break;
  70     }
  71     if (i >= 5)
  72         advise (NULLCP, "unable to fork, so can't push...");
  73 }
  74 @
  75
  76
  77 1.2
  78 log
  79 @add id
  80 @
  81 text
  82 @d3 1
  83 a3 1
  84 static char ident[] = "@@(#)$Id: pidwait.c,v 1.9 1992/12/14 17:10:58 jromine Exp $";
  85 d29 1
  86 a29 1
  87 #endif  SIGTSTP
  88 @
  89
  90
  91 1.1
  92 log
  93 @Initial revision
  94 @
  95 text
  96 @d2 3
  97 @