public static void CreatePipe(out SafeFileHandle parentHandle, out SafeFileHandle childHandle, bool parentInputs)
{
AdvApi32PInvoke.SECURITY_ATTRIBUTES lpPipeAttributes = new AdvApi32PInvoke.SECURITY_ATTRIBUTES();
lpPipeAttributes.bInheritHandle = true;
SafeFileHandle hWritePipe = null;
try
{
if (parentInputs)
{
CreatePipeWithSecurityAttributes(out childHandle, out hWritePipe, lpPipeAttributes, 0);
}
else
{
CreatePipeWithSecurityAttributes(out hWritePipe, out childHandle, lpPipeAttributes, 0);
}
if (!Kernel32.DuplicateHandle(Kernel32.GetCurrentProcess(), hWritePipe, Kernel32.GetCurrentProcess(), out parentHandle,
0, false, Kernel32.DUPLICATE_SAME_ACCESS))
{
throw new Win32Exception();
}
}
finally
{
if ((hWritePipe != null) && !hWritePipe.IsInvalid)
{
hWritePipe.Close();
}
}
}
public static void CreatePipe(out SafeFileHandle parentHandle, out SafeFileHandle childHandle, bool parentInputs)
{
AdvApi32PInvoke.SECURITY_ATTRIBUTES lpPipeAttributes = new AdvApi32PInvoke.SECURITY_ATTRIBUTES();
lpPipeAttributes.bInheritHandle = true;
SafeFileHandle hWritePipe = null;
try
{
if (parentInputs)
{
CreatePipeWithSecurityAttributes(out childHandle, out hWritePipe, lpPipeAttributes, 0);
}
else
{
CreatePipeWithSecurityAttributes(out hWritePipe, out childHandle, lpPipeAttributes, 0);
}
if (!Kernel32.DuplicateHandle(Kernel32.GetCurrentProcess(), hWritePipe, Kernel32.GetCurrentProcess(), out parentHandle,
0, false, Kernel32.DUPLICATE_SAME_ACCESS))
{
throw new Win32Exception();
}
}
finally
{
if ((hWritePipe != null) && !hWritePipe.IsInvalid)
{
hWritePipe.Close();
}
}
}
public static extern bool CreatePipe(out SafeFileHandle hReadPipe, out SafeFileHandle hWritePipe,
ref AdvApi32PInvoke.SECURITY_ATTRIBUTES lpPipeAttributes, uint nSize);
private static void CreatePipeWithSecurityAttributes(out SafeFileHandle hReadPipe, out SafeFileHandle hWritePipe, AdvApi32PInvoke.SECURITY_ATTRIBUTES lpPipeAttributes, uint nSize)
{
if ((!Kernel32.CreatePipe(out hReadPipe, out hWritePipe, ref lpPipeAttributes, nSize) || hReadPipe.IsInvalid) || hWritePipe.IsInvalid)
{
throw new Win32Exception();
}
}
