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 #ifdef HAVE_SYS_WAIT_H
  18 # include <sys/wait.h>
  19 #endif
  20
  21 #ifndef WTERMSIG
  22 # define WTERMSIG(s) ((int)((s) & 0x7F))
  23 #endif
  24
  25 #ifndef WCOREDUMP
  26 # define WCOREDUMP(s) ((s) & 0x80)
  27 #endif
  28
  29 int
  30 pidstatus (int status, FILE *fp, char *cp)
  31 {
  32     int signum;
  33
  34 /*
  35  * I have no idea what this is for (rc)
  36  * so I'm commenting it out for right now.
  37  *
  38  *  if ((status & 0xff00) == 0xff00)
  39  *      return status;
  40  */
  41
  42     /* If child process returned normally */
  43     if (WIFEXITED(status)) {
  44         if ((signum = WEXITSTATUS(status))) {
  45             if (cp)
  46                 fprintf (fp, "%s: ", cp);
  47             fprintf (fp, "exit %d\n", signum);
  48         }
  49     } else if (WIFSIGNALED(status)) {
  50         /* If child process terminated due to receipt of a signal */
  51         signum = WTERMSIG(status);
  52         if (signum != SIGINT) {
  53             if (cp)
  54                 fprintf (fp, "%s: ", cp);
  55             fprintf (fp, "signal %d", signum);
  56             if (signum >= 0 && signum < sizeof(sigmsg) && sigmsg[signum] != NULL)
  57                 fprintf (fp, " (%s%s)\n", sigmsg[signum],
  58                          WCOREDUMP(status) ? ", core dumped" : "");
  59             else
  60                 fprintf (fp, "%s\n", WCOREDUMP(status) ? " (core dumped)" : "");
  61         }
  62     }
  63
  64     return status;
  65 }