[llvm] r191973 - lli: Check pipe creation for errors.

[Benjamin Kramer]

Author: d0k
Date: Fri Oct  4 14:10:03 2013
New Revision: 191973

URL: http://llvm.org/viewvc/llvm-project?rev=191973&view=rev
Log:
lli: Check pipe creation for errors.

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

Modified:
    llvm/trunk/tools/lli/Unix/RemoteTargetExternal.inc

Modified: llvm/trunk/tools/lli/Unix/RemoteTargetExternal.inc
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/lli/Unix/RemoteTargetExternal.inc?rev=191973&r1=191972&r2=191973&view=diff
==============================================================================
--- llvm/trunk/tools/lli/Unix/RemoteTargetExternal.inc (original)
+++ llvm/trunk/tools/lli/Unix/RemoteTargetExternal.inc Fri Oct  4 14:10:03 2013
@@ -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();