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using System;
using System.Runtime.InteropServices;
namespace ARMeilleure.Signal
{
unsafe class WindowsSignalHandlerRegistration
{
[DllImport("kernel32.dll")]
private static extern IntPtr AddVectoredExceptionHandler(uint first, IntPtr handler);
[DllImport("kernel32.dll")]
private static extern ulong RemoveVectoredExceptionHandler(IntPtr handle);
[DllImport("kernel32.dll", SetLastError = true, CharSet = CharSet.Ansi)]
static extern IntPtr LoadLibrary([MarshalAs(UnmanagedType.LPStr)] string lpFileName);
[DllImport("kernel32.dll", CharSet = CharSet.Ansi, ExactSpelling = true, SetLastError = true)]
private static extern IntPtr GetProcAddress(IntPtr hModule, string procName);
private static IntPtr _getCurrentThreadIdPtr;
public static IntPtr RegisterExceptionHandler(IntPtr action)
{
return AddVectoredExceptionHandler(1, action);
}
public static bool RemoveExceptionHandler(IntPtr handle)
{
return RemoveVectoredExceptionHandler(handle) != 0;
}
public static IntPtr GetCurrentThreadIdFunc()
{
if (_getCurrentThreadIdPtr == IntPtr.Zero)
{
IntPtr handle = LoadLibrary("kernel32.dll");
_getCurrentThreadIdPtr = GetProcAddress(handle, "GetCurrentThreadId");
}
return _getCurrentThreadIdPtr;
}
}
}
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