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Change exception type thrown by semaphore
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1 changed files with 12 additions and 3 deletions
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@ -1,5 +1,6 @@
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using BirthdayBot.Data;
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using NpgsqlTypes;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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@ -28,9 +29,17 @@ namespace BirthdayBot.BackgroundServices
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return;
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}
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// A semaphore is used to restrict this work being done concurrently on other shards
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// to avoid putting pressure on the SQL connection pool. Updating this is a low priority.
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await _updateLock.WaitAsync(token).ConfigureAwait(false);
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try
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{
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// A semaphore is used to restrict this work being done concurrently on other shards
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// to avoid putting pressure on the SQL connection pool. Updating this is a low priority.
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await _updateLock.WaitAsync(token).ConfigureAwait(false);
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}
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catch (OperationCanceledException)
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{
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// Calling thread does not expect the exception that SemaphoreSlim throws...
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throw new TaskCanceledException();
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}
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try
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{
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// Build a list of all values to update
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