BSD 4_4_Lite1 release

[unix-history] / usr / src / contrib / mh-6.8.3a / sbr / pidstatus.c

/* pidstatus.c - report child's status */
#ifndef lint
static char ident[] = "@(#)$Id: pidstatus.c,v 1.4 1993/02/26 21:57:34 jromine Exp $";
#endif  /* lint */

#include "../h/mh.h"
#include <signal.h>
#include <stdio.h>


#ifndef BSD44
#ifndef BSD42
static char *sigs[] = {
   NULL,
   "Hangup",
   "Interrupt",
   "Quit",
   "Illegal instruction",
   "Trace/BPT trap",
   "IOT trap",
   "EMT trap",
   "Floating exception",
   "Killed",
   "Bus error",
   "Segmentation fault",
   "Bad system call",
   "Broken pipe",
   "Alarm clock",
   "Terminated",
#ifdef  SIGURG
   "Urgent I/O condition",
#else
   NULL,
#endif
   "Stopped (signal)",
   "Stopped",
   "Continued",
   "Child exited",
   "Stopped (tty input)",
   "Stopped (tty output)",
   "Tty input interrupt",
   "Cputime limit exceeded",
   "Filesize limit exceeded",
   NULL
};
#else
extern  char *sys_siglist[];
#endif  /* BSD42 */
#endif  /* BSD44 defines sys_siglist in signal.h */

/* \f */

int     pidstatus (status, fp, cp)
register int   status;
register FILE *fp;
register char *cp;
{
   int     signum;

   if ((status & 0xff00) == 0xff00)
       return status;

   switch (signum = status & 0x007f) {
       case OK: 
           if (signum = ((status & 0xff00) >> 8)) {
               if (cp)
                   fprintf (fp, "%s: ", cp);
               fprintf (fp, "Exit %d\n", signum);
           }
           break;

       case SIGINT: 
           break;

       default: 
           if (cp)
               fprintf (fp, "%s: ", cp);
#ifndef BSD42
           if (signum >= sizeof sigs || sigs[signum] == NULL)
               fprintf (fp, "Signal %d", signum);
           else
               fprintf (fp, "%s", sigs[signum]);
#else   /* BSD42 */
           if (signum >= NSIG)
               fprintf (fp, "Signal %d", signum);
           else
               fprintf (fp, "%s", sys_siglist[signum]);
#endif  /* BSD42 */
           fprintf (fp, "%s\n", status & 0x80 ? " (core dumped)" : "");
           break;
   }

   return status;
}