From 8e9fd57ef9aa47214418212916e54c5644721335 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <e.dolstra@tudelft.nl>
Date: Tue, 18 May 2004 09:45:18 +0000
Subject: [PATCH] * setpgrp() is not POSIX (and on Mac OS X it's different than
 on   Linux), so use setpgid().

---
 src/libstore/normalise.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libstore/normalise.cc b/src/libstore/normalise.cc
index 341234d66..7498ef20f 100644
--- a/src/libstore/normalise.cc
+++ b/src/libstore/normalise.cc
@@ -806,7 +806,7 @@ void Normaliser::initChild(Goal & goal)
 {
     /* Put the child in a separate process group so that it doesn't
        receive terminal signals. */
-    if (setpgrp() == -1)
+    if (setpgid(0, 0) == -1)
         throw SysError(format("setting process group"));
 
     if (chdir(goal.tmpDir.c_str()) == -1)