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fix: use semaphore for thread safety in Start method

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This commit is contained in:
Andrew Welker
2025-04-11 13:45:04 -05:00
parent c1d62ea5d4
commit eeb106c489
1 changed files with 14 additions and 5 deletions
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19
src/PepperDash.Essentials.Core/Monitoring/GenericCommunicationMonitor.cs
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@@ -30,6 +30,8 @@ namespace PepperDash.Essentials.Core
private Timer PollTimer; private Timer PollTimer;
private SemaphoreSlim semaphore = new SemaphoreSlim(1, 1);
/// <summary> /// <summary>
/// GenericCommunicationMonitor constructor /// GenericCommunicationMonitor constructor
/// ///
@@ -201,14 +203,21 @@ namespace PepperDash.Essentials.Core
private void BeginPolling() private void BeginPolling()
{ {
lock (_pollTimerLock) try
{ {
if (PollTimer != null) semaphore.Wait();
{ {
return; if (PollTimer != null)
} {
return;
}
PollTimer = new Timer(o => Poll(), null, 0, PollTime); PollTimer = new Timer(o => Poll(), null, 0, PollTime);
}
}
finally
{
semaphore.Release();
} }
} }