Ejemplo n.º 1
0
void launchCygwin(char** argValues) {
    std::string ARGV0 = *argValues;
    ++ argValues;
    size_t lastBackslash = ARGV0.rfind('\\');
    std::string directoryPrefix;
    if (lastBackslash != std::string::npos) {
        directoryPrefix = ARGV0.substr(0, lastBackslash + 1);
    }
    
    std::string cygwinBin = findCygwinBin();
    
    const char* oldPath = getenv("PATH");
    if (oldPath == 0) {
        throw std::runtime_error("getenv(\"PATH\") implausibly returned null");
    }
    // Windows doesn't support setenv but does support putenv.
    // We need cygwin1.dll to be on the PATH.
    std::string putenvArgument = std::string("PATH=") + oldPath + ";" + cygwinBin;
    if (putenv(putenvArgument.c_str()) == -1) {
        throw unix_exception(std::string("putenv(\"") + putenvArgument + "\") failed");
    }
    checkReadableFile("Cygwin DLL", cygwinBin + "\\cygwin1.dll");
    
    // Windows requires that we quote the arguments ourselves.
    typedef std::vector<std::string> Arguments;
    Arguments arguments;
    std::string program = directoryPrefix + "ruby-launcher.exe";
    // We mustn't quote the program argument but we must quote argv[0].
    arguments.push_back(quote(program));
    // Make sure we invoke the Cygwin ruby, not any native version that might be ahead of it on the PATH.
    std::string rubyInterpreter = cygwinBin + "\\ruby.exe";
    checkReadableFile("Cygwin Ruby", rubyInterpreter);
    arguments.push_back(quote(rubyInterpreter));
    while (*argValues != 0) {
        const char* argument = *argValues;
        arguments.push_back(quote(argument));
        ++ argValues;
    }
    
    typedef std::vector<char*> ArgValues;
    ArgValues childArgValues;
    for (Arguments::iterator it = arguments.begin(), en = arguments.end(); it != en; ++ it) {
        std::string& argument = *it;
        childArgValues.push_back(&argument[0]);
    }
    childArgValues.push_back(0);
    WindowsDllErrorModeChange windowsDllErrorModeChange;
    execv(program.c_str(), &childArgValues[0]);
    throw unix_exception(std::string("execv(\"") + program + "\", [" + join(", ", arguments) + "]) failed");
}
Ejemplo n.º 2
0
    ss_explicit_k module(S const& moduleName, int mode = RTLD_NOW)
        : m_hmodule(load(moduleName, mode))
    {
# ifdef STLSOFT_CF_EXCEPTION_SUPPORT
        if(NULL == m_hmodule)
        {
            STLSOFT_THROW_X(unix_exception("Cannot load module", errno));
        }
# endif /* STLSOFT_CF_EXCEPTION_SUPPORT */
    }