public int Release (int releaseCount)
{
CheckState ();
if (releaseCount < 0)
throw new ArgumentOutOfRangeException ("releaseCount", " The releaseCount must be positive.");
// As we have to take care of the max limit we resort to CAS
int oldValue, newValue;
do {
oldValue = currCount;
newValue = (currCount + releaseCount);
newValue = newValue > max ? max : newValue;
} while (Interlocked.CompareExchange (ref currCount, newValue, oldValue) != oldValue);
return oldValue;
}
| SemaphoreSlim::Release ( ) : int |
private const int GameCacheDuration = 43200; // 12 hours
public async Task<GameDetails[]> ParallelLoadGames(IEnumerable<int> gameIds)
{
GameDetails[] results;
var tasks = new List<Task<GameDetails>>();
using (var throttler = new SemaphoreSlim(5))
{
foreach (var gameId in gameIds)
{
await throttler.WaitAsync();
tasks.Add(Task<GameDetails>.Run(async () =>
{
try
{
Debug.WriteLine("Loading {0}...", gameId);
return await this.LoadGame(gameId, true);
}
finally
{
Debug.WriteLine("Done with {0}...", gameId);
throttler.Release();
}
}));
}
results = await Task.WhenAll(tasks);
}
return results;
}