From: Jim Blandy <jimb@redhat.com>
Date: Thu, 17 Jun 1993 22:03:06 +0000 (+0000)
Subject: * callproc.c (Fcall_process, child_setup): If IRIX is #defined,
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* callproc.c (Fcall_process, child_setup): If IRIX is #defined,
	call setpgrp with arguments, even if USG is #defined.
	* process.c [IRIX] (create_process): Don't call setpgrp before
	opening the pty.  Call it after doing the TIOCNOTTY ioctl.
---

diff --git a/src/callproc.c b/src/callproc.c
index 51ba9301cdc..55d97a69ac0 100644
--- a/src/callproc.c
+++ b/src/callproc.c
@@ -255,7 +255,7 @@ If you quit, the process is killed with SIGINT, or SIGKILL if you quit again.")
       {
 	if (fd[0] >= 0)
 	  close (fd[0]);
-#ifdef USG
+#if defined (USG) && !defined (IRIX)
         setpgrp ();
 #else
         setpgrp (pid, pid);
@@ -519,7 +519,7 @@ child_setup (in, out, err, new_argv, set_pgrp, current_dir)
   close (out);
   close (err);
 
-#ifdef USG
+#if defined (USG) && !defined (IRIX)
   setpgrp ();			/* No arguments but equivalent in this case */
 #else
   setpgrp (pid, pid);
diff --git a/src/process.c b/src/process.c
index fd15ea9bc3b..87697342b11 100644
--- a/src/process.c
+++ b/src/process.c
@@ -1265,7 +1265,7 @@ create_process (process, new_argv, current_dir)
 	  ioctl (xforkin, TIOCSCTTY, 0);
 #endif
 #else /* not HAVE_SETSID */
-#ifdef USG
+#if defined (USG) && !defined (IRIX)
 	/* It's very important to call setpgrp() here and no time
 	   afterwards.  Otherwise, we lose our controlling tty which
 	   is set when we open the pty. */
@@ -1282,7 +1282,7 @@ create_process (process, new_argv, current_dir)
 	    int j = open ("/dev/tty", O_RDWR, 0);
 	    ioctl (j, TIOCNOTTY, 0);
 	    close (j);
-#ifndef USG
+#if !defined (USG) || defined (IRIX)
 	    /* In order to get a controlling terminal on some versions
 	       of BSD, it is necessary to put the process in pgrp 0
 	       before it opens the terminal.  */