From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Fri, 4 Oct 2013 19:10:03 +0000 (+0000)
Subject: lli: Check pipe creation for errors.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=33f362f549b50ac0697258948dbc98e0f43cf422;p=oota-llvm.git

lli: Check pipe creation for errors.

This is unlikely to ever fail, but ubuntu GCC warns when the return value is
unused.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191973 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/tools/lli/Unix/RemoteTargetExternal.inc b/tools/lli/Unix/RemoteTargetExternal.inc
index f1c3badb2f5..e245f7e3a81 100644
--- a/tools/lli/Unix/RemoteTargetExternal.inc
+++ b/tools/lli/Unix/RemoteTargetExternal.inc
@@ -34,8 +34,9 @@ void RemoteTargetExternal::create() {
   int PipeFD[2][2];
   pid_t ChildPID;
 
-  pipe(PipeFD[0]);
-  pipe(PipeFD[1]);
+  // Create two pipes.
+  if (pipe(PipeFD[0]) != 0 || pipe(PipeFD[1]) != 0)
+    perror("Error creating pipe: ");
 
   ChildPID = fork();