diplodocus.org Git - nmh/blob - sbr/pidstatus.c

   1
   2 /*
   3  * pidstatus.c -- report child's status
   4  *
   5  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   6  * COPYRIGHT file in the root directory of the nmh distribution for
   7  * complete copyright information.
   8  */
   9
  10 #include <h/mh.h>
  11
  12 /*
  13  * auto-generated header
  14  */
  15 #include <sigmsg.h>
  16
  17 #ifndef WTERMSIG
  18 # define WTERMSIG(s) ((int)((s) & 0x7F))
  19 #endif
  20
  21 #ifndef WCOREDUMP
  22 # define WCOREDUMP(s) ((s) & 0x80)
  23 #endif
  24
  25 int
  26 pidstatus (int status, FILE *fp, char *cp)
  27 {
  28     int signum;
  29
  30 /*
  31  * I have no idea what this is for (rc)
  32  * so I'm commenting it out for right now.
  33  *
  34  *  if ((status & 0xff00) == 0xff00)
  35  *      return status;
  36  */
  37
  38     /* If child process returned normally */
  39     if (WIFEXITED(status)) {
  40         if ((signum = WEXITSTATUS(status))) {
  41             if (cp)
  42                 fprintf (fp, "%s: ", cp);
  43             fprintf (fp, "exit %d\n", signum);
  44         }
  45     } else if (WIFSIGNALED(status)) {
  46         /* If child process terminated due to receipt of a signal */
  47         signum = WTERMSIG(status);
  48         if (signum != SIGINT) {
  49             if (cp)
  50                 fprintf (fp, "%s: ", cp);
  51             fprintf (fp, "signal %d", signum);
  52             if (signum >= 0 && signum < (int) sizeof(sigmsg) &&
  53                   sigmsg[signum] != NULL)
  54                 fprintf (fp, " (%s%s)\n", sigmsg[signum],
  55                          WCOREDUMP(status) ? ", core dumped" : "");
  56             else
  57                 fprintf (fp, "%s\n", WCOREDUMP(status) ? " (core dumped)" : "");
  58         }
  59     }
  60
  61     return status;
  62 }