Method CreateProcess

Source/Engine/Platform/SDL/SDLPlatform.cpp:410–501

}

int32 SDLPlatform::CreateProcess(CreateProcessSettings& settings)
{
    LOG(Info, "Command: {0} {1}", settings.FileName, settings.Arguments);
    if (settings.WorkingDirectory.HasChars())
        LOG(Info, "Working directory: {0}", settings.WorkingDirectory);

    int32 result = 0;
    const bool captureStdOut = settings.LogOutput || settings.SaveOutput;
    const StringAnsi cmdLine = StringAnsi::Format("\"{0}\" {1}", StringAnsi(settings.FileName), StringAnsi(settings.Arguments));
    StringAnsi workingDirectory(settings.WorkingDirectory);

    // Populate environment with current values from parent environment.
    // SDL does not populate the environment with the latest values but with a snapshot captured during initialization.
    Dictionary<String, String> envDictionary;
    GetEnvironmentVariables(envDictionary);
    SDL_Environment* env = SDL_CreateEnvironment(false);
    for (auto iter = envDictionary.Begin(); iter != envDictionary.End(); ++iter)
        SDL_SetEnvironmentVariable(env, StringAnsi(iter->Key).Get(), StringAnsi(iter->Value).Get(), true);
    for (auto iter = settings.Environment.Begin(); iter != settings.Environment.End(); ++iter)
        SDL_SetEnvironmentVariable(env, StringAnsi(iter->Key).Get(), StringAnsi(iter->Value).Get(), true);

    // Parse argument list with possible quotes included
    Array<StringAnsi> arguments;
    arguments.Add(StringAnsi(settings.FileName));
    if (CommandLine::ParseArguments(settings.Arguments, arguments))
    {
        LOG(Error, "Failed to parse arguments for process {}: '{}'", settings.FileName.Get(), settings.Arguments.Get());
        return -1;
    }
    Array<const char*> cmd;
    for (const StringAnsi& str : arguments)
        cmd.Add(str.Get());
    cmd.Add((const char*)0);

#if PLATFORM_WINDOWS
    bool background = !settings.WaitForEnd || settings.HiddenWindow; // This also hides the window on Windows
#else
    bool background = !settings.WaitForEnd;
#endif

    SDL_PropertiesID props = SDL_CreateProperties();
    SDL_SetPointerProperty(props, SDL_PROP_PROCESS_CREATE_ARGS_POINTER, cmd.Get());
    SDL_SetPointerProperty(props, SDL_PROP_PROCESS_CREATE_ENVIRONMENT_POINTER, env);
    SDL_SetBooleanProperty(props, SDL_PROP_PROCESS_CREATE_BACKGROUND_BOOLEAN, background);
#if !PLATFORM_WEB
    if (workingDirectory.HasChars())
        SDL_SetStringProperty(props, SDL_PROP_PROCESS_CREATE_WORKING_DIRECTORY_STRING, workingDirectory.Get());
#endif
    if (captureStdOut)
    {
        SDL_SetNumberProperty(props, SDL_PROP_PROCESS_CREATE_STDOUT_NUMBER, SDL_PROCESS_STDIO_APP);
        SDL_SetNumberProperty(props, SDL_PROP_PROCESS_CREATE_STDERR_NUMBER, SDL_PROCESS_STDIO_APP);
    }
    SDL_Process* process = SDL_CreateProcessWithProperties(props);
    SDL_DestroyProperties(props);
    SDL_DestroyEnvironment(env);
    if (process == nullptr)
    {