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Revert "os: remove sleep in windows Process.Wait"

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This reverts CL 145221 (commit 5c359736f8)

Reason for revert: breaks the build occasionally.

Updates #23171
Updates #25965

Change-Id: Ie1e3c76ab9bcd8d28b6118440b5f80c76f9b1852
Reviewed-on: https://go-review.googlesource.com/c/148957
Run-TryBot: Alex Brainman <alex.brainman@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Alex Brainman 2018-11-10 08:32:45 +11:00
parent 03e3fbe421
commit ff7b245a31
1 changed files with 6 additions and 0 deletions
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6
src/os/exec_windows.go
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@ -35,6 +35,12 @@ func (p *Process) wait() (ps *ProcessState, err error) {
return nil, NewSyscallError("GetProcessTimes", e) return nil, NewSyscallError("GetProcessTimes", e)
} }
p.setDone() p.setDone()
// NOTE(brainman): It seems that sometimes process is not dead
// when WaitForSingleObject returns. But we do not know any
// other way to wait for it. Sleeping for a while seems to do
// the trick sometimes.
// See https://golang.org/issue/25965 for details.
defer time.Sleep(5 * time.Millisecond)
defer p.Release() defer p.Release()
return &ProcessState{p.Pid, syscall.WaitStatus{ExitCode: ec}, &u}, nil return &ProcessState{p.Pid, syscall.WaitStatus{ExitCode: ec}, &u}, nil
} }