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test: close diagnostic dispatch gate before signaling

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Wickedness
2026-07-11 14:02:18 +09:00
parent bb4a3ec3e0
commit 673d40b09f
1 changed files with 4 additions and 1 deletions
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5
tests/MBN_STOCK_WEBVIEW.Playout.Tests/PgmConnectDiagnosticTests.cs
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@@ -400,13 +400,16 @@ public sealed class PgmConnectDiagnosticTests
public bool TryPreventKtapConnect() public bool TryPreventKtapConnect()
{ {
PreventionAttempted.Set();
var previous = Interlocked.CompareExchange(ref _dispatchGate, 2, 0); var previous = Interlocked.CompareExchange(ref _dispatchGate, 2, 0);
if (previous == 1 && LastKtapConnectState == PlayoutKtapConnectState.NotAttempted) if (previous == 1 && LastKtapConnectState == PlayoutKtapConnectState.NotAttempted)
{ {
LastKtapConnectState = PlayoutKtapConnectState.Attempted; LastKtapConnectState = PlayoutKtapConnectState.Attempted;
} }
// Publish the test synchronization point only after the dispatch gate
// is closed. Signalling first lets the blocked safety probe resume and
// race KTAP dispatch before this prevention attempt has taken effect.
PreventionAttempted.Set();
return previous == 0; return previous == 0;
} }