[llvm] r220717 - Fix bug where sys::Wait could wait on wrong pid.

[Rafael Espindola]

Author: rafael
Date: Mon Oct 27 15:30:04 2014
New Revision: 220717

URL: http://llvm.org/viewvc/llvm-project?rev=220717&view=rev
Log:
Fix bug where sys::Wait could wait on wrong pid.

Setting ChildPid to -1 would cause waitpid to wait for any child process.

Patch by Daniel Reynaud!

Modified:
    llvm/trunk/lib/Support/Unix/Program.inc

Modified: llvm/trunk/lib/Support/Unix/Program.inc
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/Unix/Program.inc?rev=220717&r1=220716&r2=220717&view=diff
==============================================================================
--- llvm/trunk/lib/Support/Unix/Program.inc (original)
+++ llvm/trunk/lib/Support/Unix/Program.inc Mon Oct 27 15:30:04 2014
@@ -335,7 +335,6 @@ ProcessInfo sys::Wait(const ProcessInfo
   pid_t ChildPid = PI.Pid;
   if (WaitUntilTerminates) {
     SecondsToWait = 0;
-    ChildPid = -1; // mimic a wait() using waitpid()
   } else if (SecondsToWait) {
     // Install a timeout handler.  The handler itself does nothing, but the
     // simple fact of having a handler at all causes the wait below to return