internal static SafeMemoryBuffer CreateSecurityAttributes(SecurityAttributes attributes)
{
IntPtr lpAttributes = IntPtr.Zero;
if (attributes != null)
{
NativeHelpers.SECURITY_ATTRIBUTES attr = new NativeHelpers.SECURITY_ATTRIBUTES()
{
bInheritHandle = attributes.InheritHandle,
};
lpAttributes = Marshal.AllocHGlobal(Marshal.SizeOf(attr));
Marshal.StructureToPtr(attr, lpAttributes, false);
}
return(new SafeMemoryBuffer(lpAttributes));
}
internal static void CreateStdioPipes(NativeHelpers.STARTUPINFOEX si, out SafeFileHandle stdoutRead,
out SafeFileHandle stdoutWrite, out SafeFileHandle stderrRead, out SafeFileHandle stderrWrite,
out SafeFileHandle stdinRead, out SafeFileHandle stdinWrite)
{
NativeHelpers.SECURITY_ATTRIBUTES pipesec = new NativeHelpers.SECURITY_ATTRIBUTES();
pipesec.bInheritHandle = true;
if (!NativeMethods.CreatePipe(out stdoutRead, out stdoutWrite, pipesec, 0))
{
throw new Win32Exception("STDOUT pipe setup failed");
}
if (!NativeMethods.SetHandleInformation(stdoutRead, NativeHelpers.HandleFlags.INHERIT, 0))
{
throw new Win32Exception("STDOUT pipe handle setup failed");
}
if (!NativeMethods.CreatePipe(out stderrRead, out stderrWrite, pipesec, 0))
{
throw new Win32Exception("STDERR pipe setup failed");
}
if (!NativeMethods.SetHandleInformation(stderrRead, NativeHelpers.HandleFlags.INHERIT, 0))
{
throw new Win32Exception("STDERR pipe handle setup failed");
}
if (!NativeMethods.CreatePipe(out stdinRead, out stdinWrite, pipesec, 0))
{
throw new Win32Exception("STDIN pipe setup failed");
}
if (!NativeMethods.SetHandleInformation(stdinWrite, NativeHelpers.HandleFlags.INHERIT, 0))
{
throw new Win32Exception("STDIN pipe handle setup failed");
}
si.startupInfo.hStdOutput = stdoutWrite;
si.startupInfo.hStdError = stderrWrite;
si.startupInfo.hStdInput = stdinRead;
}
public static extern bool CreatePipe(
out SafeFileHandle hReadPipe,
out SafeFileHandle hWritePipe,
NativeHelpers.SECURITY_ATTRIBUTES lpPipeAttributes,
UInt32 nSize);