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 <sys/wait.h>
  11 #include <h/mh.h>
  12
  13 /*
  14  * auto-generated header
  15  */
  16 #include <sigmsg.h>
  17
  18 #ifndef WTERMSIG
  19 # define WTERMSIG(s) ((int)((s) & 0x7F))
  20 #endif
  21
  22 #ifndef WCOREDUMP
  23 # define WCOREDUMP(s) ((s) & 0x80)
  24 #endif
  25
  26 int
  27 pidstatus (int status, FILE *fp, char *cp)
  28 {
  29     int signum;
  30
  31 /*
  32  * I have no idea what this is for (rc)
  33  * so I'm commenting it out for right now.
  34  *
  35  *  if ((status & 0xff00) == 0xff00)
  36  *      return status;
  37  */
  38
  39     /* If child process returned normally */
  40     if (WIFEXITED(status)) {
  41         if ((signum = WEXITSTATUS(status))) {
  42             if (cp)
  43                 fprintf (fp, "%s: ", cp);
  44             fprintf (fp, "exit %d\n", signum);
  45         }
  46     } else if (WIFSIGNALED(status)) {
  47         /* If child process terminated due to receipt of a signal */
  48         signum = WTERMSIG(status);
  49         if (signum != SIGINT) {
  50             if (cp)
  51                 fprintf (fp, "%s: ", cp);
  52             fprintf (fp, "signal %d", signum);
  53             if (signum >= 0 && signum < (int) sizeof(sigmsg) &&
  54                   sigmsg[signum] != NULL)
  55                 fprintf (fp, " (%s%s)\n", sigmsg[signum],
  56                          WCOREDUMP(status) ? ", core dumped" : "");
  57             else
  58                 fprintf (fp, "%s\n", WCOREDUMP(status) ? " (core dumped)" : "");
  59         }
  60     }
  61
  62     return status;
  63 }