private ProcessInformation CreateProcessWithStartInfo(SimpleProcessStartupInfo simpleProcessStartupInfo, CreateProcessOptions options) {
Logger.LogInfo("CreateProcessWithStartInfo: Entry point.");
var stringBuilder = BuildCommandLine(simpleProcessStartupInfo.FileName, simpleProcessStartupInfo.Arguments);
Logger.LogInfo("CreateProcessWithStartInfo: command line is {0}.", stringBuilder);
using (var startupInfo = new STARTUPINFO()) {
Logger.LogInfo("CreateProcessWithStartInfo: Creation flags.");
ProcessCreationFlags processCreationFlags = 0;
if (simpleProcessStartupInfo.CreateNoWindow) {
processCreationFlags |= ProcessCreationFlags.CREATE_NO_WINDOW;
}
if ((options & CreateProcessOptions.BreakAwayFromJob) != 0) {
processCreationFlags |= ProcessCreationFlags.CREATE_BREAKAWAY_FROM_JOB;
}
var workingDirectory = simpleProcessStartupInfo.WorkingDirectory;
if (workingDirectory == string.Empty) {
workingDirectory = Environment.CurrentDirectory;
}
Logger.LogInfo("CreateProcessWithStartInfo: Working directory: {0}.", workingDirectory);
if ((options & CreateProcessOptions.AttachDebugger) != 0) {
Logger.LogInfo("CreateProcessWithStartInfo: Setting DEBUG_PROCESS flag.");
processCreationFlags |= ProcessCreationFlags.DEBUG_PROCESS;
processCreationFlags |= ProcessCreationFlags.DEBUG_ONLY_THIS_PROCESS;
}
Logger.LogInfo("CreateProcessWithStartInfo: Calling Win32 CreateProcess.");
var processInformation = new PROCESS_INFORMATION();
var environmentPtr = IntPtr.Zero;
var lastError = 0;
var success = NativeMethods.CreateProcess(null, stringBuilder, null, null, true, processCreationFlags,
environmentPtr, workingDirectory, startupInfo, processInformation);
Logger.LogInfo("CreateProcessWithStartInfo: CreateProcess result: Success={0}-LastError={1}.", success, Marshal.GetLastWin32Error());
if (!success) {
lastError = Marshal.GetLastWin32Error();
}
// Assign safe handles as quickly as possible to avoid leaks.
var safeProcessHandle = new SafeProcessHandle(processInformation.hProcess);
var safeThreadHandle = new SafeProcessHandle(processInformation.hThread);
if (!success) {
throw new LastWin32ErrorException(lastError, string.Format("Error creating process from file \"{0}\"", simpleProcessStartupInfo.FileName));
}
if (safeProcessHandle.IsInvalid || safeThreadHandle.IsInvalid) {
Logger.LogInfo("CreateProcessWithStartInfo: Invalid process handle.");
throw new Exception(string.Format("Error creating process from file \"{0}\" (invalid process handle)", simpleProcessStartupInfo.FileName));
}
Logger.LogInfo("CreateProcessWithStartInfo: Creating ProcessResult instance.");
var processResult = new ProcessInformation {
ProcessHandle = safeProcessHandle,
ProcessId = processInformation.dwProcessId
};
safeThreadHandle.Close();
Logger.LogInfo("CreateProcessWithStartInfo: Success!");
return processResult;
}
}
private ProcessInformation CreateProcessImpl(string filename, string arguments, CreateProcessOptions options) {
var info = new SimpleProcessStartupInfo {
FileName = filename,
Arguments = arguments,
CreateNoWindow = true,
WorkingDirectory = Path.GetDirectoryName(filename)
};
return CreateProcessWithStartInfo(info, options);
}
public CreateProcessResult CreateProcess(string filename, string arguments, CreateProcessOptions options) {
Logger.LogInfo("CreateProcess: {0} {1}", filename, arguments);
// Attaching the debugger ensures the child process will die with the current process.
var debuggerObject = new DebuggerObject();
var processInformation = (options & CreateProcessOptions.AttachDebugger) != 0 ?
debuggerObject.CreateProcess(() => CreateProcessImpl(filename, arguments, options)) :
CreateProcessImpl(filename, arguments, options);
Logger.LogInfo("CreateProcess: Creating CreateProcessResult instance.");
return new CreateProcessResult(processInformation, debuggerObject);
}
public CreateProcessResult CreateProcess(string filename, string arguments, CreateProcessOptions options)
{
Logger.LogInfo("CreateProcess: {0} {1}", filename, arguments);
// Attaching the debugger ensures the child process will die with the current process.
var debuggerObject = new DebuggerObject();
var processInformation = (options & CreateProcessOptions.AttachDebugger) != 0 ?
debuggerObject.CreateProcess(() => CreateProcessImpl(filename, arguments, options)) :
CreateProcessImpl(filename, arguments, options);
Logger.LogInfo("CreateProcess: Creating CreateProcessResult instance.");
return(new CreateProcessResult(processInformation, debuggerObject));
}
private ProcessInformation CreateProcessWithStartInfo(SimpleProcessStartupInfo simpleProcessStartupInfo, CreateProcessOptions options)
{
Logger.LogInfo("CreateProcessWithStartInfo: Entry point.");
var stringBuilder = BuildCommandLine(simpleProcessStartupInfo.FileName, simpleProcessStartupInfo.Arguments);
Logger.LogInfo("CreateProcessWithStartInfo: command line is {0}.", stringBuilder);
using (var startupInfo = new STARTUPINFO()) {
Logger.LogInfo("CreateProcessWithStartInfo: Creation flags.");
ProcessCreationFlags processCreationFlags = 0;
if (simpleProcessStartupInfo.CreateNoWindow)
{
processCreationFlags |= ProcessCreationFlags.CREATE_NO_WINDOW;
}
if ((options & CreateProcessOptions.BreakAwayFromJob) != 0)
{
processCreationFlags |= ProcessCreationFlags.CREATE_BREAKAWAY_FROM_JOB;
}
var workingDirectory = simpleProcessStartupInfo.WorkingDirectory;
if (workingDirectory == string.Empty)
{
workingDirectory = Environment.CurrentDirectory;
}
Logger.LogInfo("CreateProcessWithStartInfo: Working directory: {0}.", workingDirectory);
if ((options & CreateProcessOptions.AttachDebugger) != 0)
{
Logger.LogInfo("CreateProcessWithStartInfo: Setting DEBUG_PROCESS flag.");
processCreationFlags |= ProcessCreationFlags.DEBUG_PROCESS;
processCreationFlags |= ProcessCreationFlags.DEBUG_ONLY_THIS_PROCESS;
}
Logger.LogInfo("CreateProcessWithStartInfo: Calling Win32 CreateProcess.");
var processInformation = new PROCESS_INFORMATION();
var environmentPtr = IntPtr.Zero;
var lastError = 0;
var success = NativeMethods.CreateProcess(null, stringBuilder, null, null, true, processCreationFlags,
environmentPtr, workingDirectory, startupInfo, processInformation);
Logger.LogInfo("CreateProcessWithStartInfo: CreateProcess result: Success={0}-LastError={1}.", success, Marshal.GetLastWin32Error());
if (!success)
{
lastError = Marshal.GetLastWin32Error();
}
// Assign safe handles as quickly as possible to avoid leaks.
var safeProcessHandle = new SafeProcessHandle(processInformation.hProcess);
var safeThreadHandle = new SafeProcessHandle(processInformation.hThread);
if (!success)
{
throw new LastWin32ErrorException(lastError, string.Format("Error creating process from file \"{0}\"", simpleProcessStartupInfo.FileName));
}
if (safeProcessHandle.IsInvalid || safeThreadHandle.IsInvalid)
{
Logger.LogInfo("CreateProcessWithStartInfo: Invalid process handle.");
throw new Exception(string.Format("Error creating process from file \"{0}\" (invalid process handle)", simpleProcessStartupInfo.FileName));
}
Logger.LogInfo("CreateProcessWithStartInfo: Creating ProcessResult instance.");
var processResult = new ProcessInformation {
ProcessHandle = safeProcessHandle,
ProcessId = processInformation.dwProcessId
};
safeThreadHandle.Close();
Logger.LogInfo("CreateProcessWithStartInfo: Success!");
return(processResult);
}
}
private ProcessInformation CreateProcessImpl(string filename, string arguments, CreateProcessOptions options)
{
var info = new SimpleProcessStartupInfo {
FileName = filename,
Arguments = arguments,
CreateNoWindow = true,
WorkingDirectory = Path.GetDirectoryName(filename)
};
return(CreateProcessWithStartInfo(info, options));
}
