mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-12-05 18:51:22 +00:00
97 lines
3 KiB
C#
97 lines
3 KiB
C#
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using Ryujinx.Common.Logging;
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using System.Collections.Generic;
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using System.Threading;
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namespace Ryujinx.HLE.HOS.Services.Sockets.Bsd
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{
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class EventFileDescriptorPollManager : IPollManager
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{
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private static EventFileDescriptorPollManager _instance;
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public static EventFileDescriptorPollManager Instance
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{
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get
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{
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if (_instance == null)
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{
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_instance = new EventFileDescriptorPollManager();
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}
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return _instance;
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}
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}
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public bool IsCompatible(PollEvent evnt)
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{
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return evnt.FileDescriptor is EventFileDescriptor;
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}
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public LinuxError Poll(List<PollEvent> events, int timeoutMilliseconds, out int updatedCount)
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{
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updatedCount = 0;
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List<ManualResetEvent> waiters = new List<ManualResetEvent>();
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for (int i = 0; i < events.Count; i++)
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{
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PollEvent evnt = events[i];
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EventFileDescriptor socket = (EventFileDescriptor)evnt.FileDescriptor;
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bool isValidEvent = false;
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if (evnt.Data.InputEvents.HasFlag(PollEventTypeMask.Input) ||
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evnt.Data.InputEvents.HasFlag(PollEventTypeMask.UrgentInput))
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{
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waiters.Add(socket.ReadEvent);
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isValidEvent = true;
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}
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if (evnt.Data.InputEvents.HasFlag(PollEventTypeMask.Output))
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{
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waiters.Add(socket.WriteEvent);
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isValidEvent = true;
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}
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if (!isValidEvent)
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{
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Logger.Warning?.Print(LogClass.ServiceBsd, $"Unsupported Poll input event type: {evnt.Data.InputEvents}");
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return LinuxError.EINVAL;
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}
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}
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int index = WaitHandle.WaitAny(waiters.ToArray(), timeoutMilliseconds);
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if (index != WaitHandle.WaitTimeout)
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{
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for (int i = 0; i < events.Count; i++)
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{
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PollEvent evnt = events[i];
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EventFileDescriptor socket = (EventFileDescriptor)evnt.FileDescriptor;
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if ((evnt.Data.InputEvents.HasFlag(PollEventTypeMask.Input) ||
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evnt.Data.InputEvents.HasFlag(PollEventTypeMask.UrgentInput))
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&& socket.ReadEvent.WaitOne(0))
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{
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waiters.Add(socket.ReadEvent);
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}
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if ((evnt.Data.InputEvents.HasFlag(PollEventTypeMask.Output))
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&& socket.WriteEvent.WaitOne(0))
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{
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waiters.Add(socket.WriteEvent);
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}
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}
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}
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else
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{
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return LinuxError.ETIMEDOUT;
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}
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return LinuxError.SUCCESS;
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}
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}
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}
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