From 714fa24cfb5afeb144549e0cc4808cc2a1c459cf Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <e.dolstra@tudelft.nl>
Date: Sun, 3 Dec 2006 00:52:27 +0000
Subject: [PATCH] * Run the worker in a separate session to prevent terminal
 signals   from interfering.

---
 src/nix-worker/main.cc | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/nix-worker/main.cc b/src/nix-worker/main.cc
index fef2c2958..cf550895e 100644
--- a/src/nix-worker/main.cc
+++ b/src/nix-worker/main.cc
@@ -164,6 +164,12 @@ void run(Strings args)
     if (slave) {
         FdSource source(STDIN_FILENO);
         FdSink sink(STDOUT_FILENO);
+
+        /* This prevents us from receiving signals from the terminal
+           when we're running in setuid mode. */
+        if (setsid() == -1)
+            throw SysError(format("creating a new session"));
+
         processConnection(source, sink);
     }