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74 lines
1.7 KiB
74 lines
1.7 KiB
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Runtime.InteropServices;
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using System.Text;
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using System.Threading.Tasks;
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using IPA.Logging;
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namespace IPA.Utilities
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{
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public static class CriticalSection
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{
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internal static void Configure()
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{
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Logger.log.Debug("Configuring exit handlers");
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ResetExitHandlers();
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}
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#region Execute section
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private static readonly EventHandler registeredHandler = HandleExit;
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internal static void ResetExitHandlers()
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{
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SetConsoleCtrlHandler(registeredHandler, false);
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SetConsoleCtrlHandler(registeredHandler, true);
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}
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[DllImport("Kernel32")]
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private static extern bool SetConsoleCtrlHandler(EventHandler handler, bool add);
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private delegate bool EventHandler(CtrlType sig);
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private static EventHandler _handler = null;
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private static bool HandleExit(CtrlType type)
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{
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if (_handler != null)
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return _handler(type);
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return false;
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}
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enum CtrlType
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{
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CTRL_C_EVENT = 0,
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CTRL_BREAK_EVENT = 1,
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CTRL_CLOSE_EVENT = 2,
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CTRL_LOGOFF_EVENT = 5,
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CTRL_SHUTDOWN_EVENT = 6
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}
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private static volatile bool exitRecieved = false;
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public static void EnterExecuteSection()
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{
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ResetExitHandlers();
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exitRecieved = false;
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_handler = sig => exitRecieved = true;
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}
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public static void ExitExecuteSection()
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{
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_handler = null;
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if (exitRecieved)
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Environment.Exit(1);
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}
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#endregion
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}
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}
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