private static ProcessInfo RunProcess(ref StartInfoExtended sInfoEx, string commandLine)
{
int securityAttributeSize = Marshal.SizeOf <SecurityAttributes>();
var pSec = new SecurityAttributes {
nLength = securityAttributeSize
};
var tSec = new SecurityAttributes {
nLength = securityAttributeSize
};
var success = ProcessApi.CreateProcess(
lpApplicationName: null,
lpCommandLine: commandLine,
lpProcessAttributes: ref pSec,
lpThreadAttributes: ref tSec,
bInheritHandles: false,
dwCreationFlags: Constants.EXTENDED_STARTUPINFO_PRESENT,
lpEnvironment: IntPtr.Zero,
lpCurrentDirectory: null,
lpStartupInfo: ref sInfoEx,
lpProcessInformation: out ProcessInfo pInfo
);
if (!success)
{
throw InteropException.CreateWithInnerHResultException("Could not create process.");
}
return(pInfo);
}
public static extern bool CreateProcess(
string lpApplicationName,
string lpCommandLine,
ref SecurityAttributes lpProcessAttributes,
ref SecurityAttributes lpThreadAttributes,
bool bInheritHandles,
uint dwCreationFlags,
IntPtr lpEnvironment,
string lpCurrentDirectory,
[In] ref StartInfoExtended lpStartupInfo,
out ProcessInfo lpProcessInformation);
private static StartInfoExtended ConfigureProcessThread(IntPtr hPC, IntPtr attributes)
{
// this method implements the behavior described in https://docs.microsoft.com/en-us/windows/console/creating-a-pseudoconsole-session#preparing-for-creation-of-the-child-process
var lpSize = IntPtr.Zero;
var success = ProcessApi.InitializeProcThreadAttributeList(
lpAttributeList: IntPtr.Zero,
dwAttributeCount: 1,
dwFlags: 0,
lpSize: ref lpSize
);
if (success || lpSize == IntPtr.Zero) // we're not expecting `success` here, we just want to get the calculated lpSize
{
throw InteropException.CreateWithInnerHResultException("Could not calculate the number of bytes for the attribute list.");
}
var startupInfo = new StartInfoExtended();
startupInfo.StartupInfo.cb = Marshal.SizeOf <StartInfoExtended>();
startupInfo.lpAttributeList = Marshal.AllocHGlobal(lpSize);
success = ProcessApi.InitializeProcThreadAttributeList(
lpAttributeList: startupInfo.lpAttributeList,
dwAttributeCount: 1,
dwFlags: 0,
lpSize: ref lpSize
);
if (!success)
{
throw InteropException.CreateWithInnerHResultException("Could not set up attribute list.");
}
success = ProcessApi.UpdateProcThreadAttribute(
lpAttributeList: startupInfo.lpAttributeList,
dwFlags: 0,
attribute: attributes,
lpValue: hPC,
cbSize: (IntPtr)IntPtr.Size,
lpPreviousValue: IntPtr.Zero,
lpReturnSize: IntPtr.Zero
);
if (!success)
{
throw InteropException.CreateWithInnerHResultException("Could not set pseudoconsole thread attribute.");
}
return(startupInfo);
}
public Process(StartInfoExtended startupInfo, ProcessInfo processInfo)
{
StartupInfo = startupInfo;
ProcessInfo = processInfo;
}