diplodocus.org Git - nmh/blob - docs/historical/mh-6.8.5/sbr/pidstatus.c

   1 /* pidstatus.c - report child's status */
   2 #ifndef lint
   3 static char ident[] = "@(#)$Id: pidstatus.c,v 1.4 1993/02/26 21:57:34 jromine Exp $";
   4 #endif  /* lint */
   5
   6 #include "../h/mh.h"
   7 #include <signal.h>
   8 #include <stdio.h>
   9
  10
  11 #ifndef BSD44
  12 #ifndef BSD42
  13 static char *sigs[] = {
  14     NULL,
  15     "Hangup",
  16     "Interrupt",
  17     "Quit",
  18     "Illegal instruction",
  19     "Trace/BPT trap",
  20     "IOT trap",
  21     "EMT trap",
  22     "Floating exception",
  23     "Killed",
  24     "Bus error",
  25     "Segmentation fault",
  26     "Bad system call",
  27     "Broken pipe",
  28     "Alarm clock",
  29     "Terminated",
  30 #ifdef  SIGURG
  31     "Urgent I/O condition",
  32 #else
  33     NULL,
  34 #endif
  35     "Stopped (signal)",
  36     "Stopped",
  37     "Continued",
  38     "Child exited",
  39     "Stopped (tty input)",
  40     "Stopped (tty output)",
  41     "Tty input interrupt",
  42     "Cputime limit exceeded",
  43     "Filesize limit exceeded",
  44     NULL
  45 };
  46 #else
  47 extern  char *sys_siglist[];
  48 #endif  /* BSD42 */
  49 #endif  /* BSD44 defines sys_siglist in signal.h */
  50
  51 /* \f */
  52
  53 int     pidstatus (status, fp, cp)
  54 register int   status;
  55 register FILE *fp;
  56 register char *cp;
  57 {
  58     int     signum;
  59
  60     if ((status & 0xff00) == 0xff00)
  61         return status;
  62
  63     switch (signum = status & 0x007f) {
  64         case OK:
  65             if (signum = ((status & 0xff00) >> 8)) {
  66                 if (cp)
  67                     fprintf (fp, "%s: ", cp);
  68                 fprintf (fp, "Exit %d\n", signum);
  69             }
  70             break;
  71
  72         case SIGINT:
  73             break;
  74
  75         default:
  76             if (cp)
  77                 fprintf (fp, "%s: ", cp);
  78 #ifndef BSD42
  79             if (signum >= sizeof sigs || sigs[signum] == NULL)
  80                 fprintf (fp, "Signal %d", signum);
  81             else
  82                 fprintf (fp, "%s", sigs[signum]);
  83 #else   /* BSD42 */
  84             if (signum >= NSIG)
  85                 fprintf (fp, "Signal %d", signum);
  86             else
  87                 fprintf (fp, "%s", sys_siglist[signum]);
  88 #endif  /* BSD42 */
  89             fprintf (fp, "%s\n", status & 0x80 ? " (core dumped)" : "");
  90             break;
  91     }
  92
  93     return status;
  94 }