(re)add post-watchdog-launch sleep to Windows async_wrapper (#5122)
fixed apparent race where subprocess appears to never start
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@ -324,6 +324,10 @@ Function Start-Watchdog {
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# FUTURE: use CreateProcess + stream redirection to watch for/return quick watchdog failures?
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$result = $([wmiclass]"Win32_Process").Create($exec_path, $null, $pstartup)
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# On fast + idle machines, the process never starts without this delay. Hopefully the switch to
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# Win32 process launch will make this unnecessary.
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Sleep -Seconds 1
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$watchdog_pid = $result.ProcessId
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return $watchdog_pid
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