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Make sure to generate the 'OnIdle' event when there are other subscribers (#899)

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This commit is contained in:
Dongbo Wang
2019-04-18 16:33:08 -07:00
committed by GitHub
parent c197e7e9b2
commit e64aceccdd
1 changed files with 6 additions and 12 deletions
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PSReadLine/ReadLine.cs
+6 -12
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@@ -206,28 +206,22 @@ namespace Microsoft.PowerShell
bool runPipelineForEventProcessing = false;
foreach (var sub in eventSubscribers)
{
if (sub.SourceIdentifier.Equals("PowerShell.OnIdle", StringComparison.OrdinalIgnoreCase))
runPipelineForEventProcessing = true;
if (sub.SourceIdentifier.Equals(PSEngineEvent.OnIdle, StringComparison.OrdinalIgnoreCase))
{
// There is an OnIdle event. We're idle because we timed out. Normally
// PowerShell generates this event, but PowerShell assumes the engine is not
// idle because it called PSConsoleHostReadLine which isn't returning.
// So we generate the event instead.
_singleton._engineIntrinsics.Events.GenerateEvent("PowerShell.OnIdle", null, null, null);
runPipelineForEventProcessing = true;
break;
}
_singleton._engineIntrinsics.Events.GenerateEvent(PSEngineEvent.OnIdle, null, null, null);
// If there are any event subscribers that have an action (which might
// write to the console) and have a source object (i.e. aren't engine
// events), run a tiny useless bit of PowerShell so that the events
// can be processed.
if (sub.Action != null && sub.SourceObject != null)
{
runPipelineForEventProcessing = true;
// Break out so we don't genreate more than one 'OnIdle' event for a timeout.
break;
}
}
// If there are any event subscribers, run a tiny useless PowerShell pipeline
// so that the events can be processed.
if (runPipelineForEventProcessing)
{
if (ps == null)