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Fix bug where sys::Wait could wait on wrong pid.

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

Patch by Daniel Reynaud!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@220717 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2014-10-27 20:30:04 +00:00
parent 52a6f59d41
commit f6066a7fd3
1 changed files with 0 additions and 1 deletions
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lib/Support/Unix/Program.inc
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@ -335,7 +335,6 @@ ProcessInfo sys::Wait(const ProcessInfo &PI, unsigned SecondsToWait,
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