From 3429c5e153d5315df7db1fcfb0a6a95cbfd48fba Mon Sep 17 00:00:00 2001
From: Duncan Sands <baldrick@free.fr>
Date: Mon, 7 Sep 2009 05:58:25 +0000
Subject: [PATCH] Using a signal handler that does nothing should be equivalent
 to SIG_IGN.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81144 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/System/Unix/Program.inc | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/lib/System/Unix/Program.inc b/lib/System/Unix/Program.inc
index adf7390f9fb..fca92923825 100644
--- a/lib/System/Unix/Program.inc
+++ b/lib/System/Unix/Program.inc
@@ -116,9 +116,6 @@ static bool RedirectIO(const Path *Path, int FD, std::string* ErrMsg) {
   return false;
 }
 
-static void TimeOutHandler(int Sig) {
-}
-
 static void SetMemoryLimits (unsigned size)
 {
 #if HAVE_SYS_RESOURCE_H
@@ -231,10 +228,9 @@ Program::Wait(unsigned secondsToWait,
 
   // Install a timeout handler.
   if (secondsToWait) {
-    Act.sa_sigaction = 0;
-    Act.sa_handler = TimeOutHandler;
+    memset(&Act, 0, sizeof(Act));
+    Act.sa_handler = SIG_IGN;
     sigemptyset(&Act.sa_mask);
-    Act.sa_flags = 0;
     sigaction(SIGALRM, &Act, &Old);
     alarm(secondsToWait);
   }
-- 
2.34.1