Merge "adb: make stdin/stdout/stderr redirection errors fatal"

    DWORD nchars = GetTempPathW(arraysize(temp_path), temp_path);

    if ((nchars >= arraysize(temp_path)) || (nchars == 0)) {

        // If string truncation or some other error.

        // TODO(danalbert): Log the error message from

        // FormatMessage(GetLastError()). Pure Windows APIs only touch

        // GetLastError(), C Runtime APIs touch errno, so maybe there should be

        // WPLOG or PLOGW (which would read GetLastError() instead of errno),

        // in addition to PLOG, or maybe better to just ignore it and add a

        // simplified version of FormatMessage() for use in log messages.

        LOG(ERROR) << "Error creating log file";

        fatal("cannot retrieve temporary file path: %s\n",

              SystemErrorCodeToString(GetLastError()).c_str());

    }

    return narrow(temp_path) + log_name;

static void close_stdin() {

    int fd = unix_open(kNullFileName, O_RDONLY);

    CHECK_NE(fd, -1);

    dup2(fd, STDIN_FILENO);

    if (fd == -1) {

        fatal("cannot open '%s': %s", kNullFileName, strerror(errno));

    }

    if (dup2(fd, STDIN_FILENO) == -1) {

        fatal("cannot redirect stdin: %s", strerror(errno));

    }

    unix_close(fd);

}

static void setup_daemon_logging(void) {

    int fd = unix_open(GetLogFilePath().c_str(), O_WRONLY | O_CREAT | O_APPEND,

    const std::string log_file_path(GetLogFilePath());

    int fd = unix_open(log_file_path.c_str(), O_WRONLY | O_CREAT | O_APPEND,

                       0640);

    if (fd == -1) {

        fd = unix_open(kNullFileName, O_WRONLY);

        fatal("cannot open '%s': %s", log_file_path.c_str(), strerror(errno));

    }

    if (dup2(fd, STDOUT_FILENO) == -1) {

        fatal("cannot redirect stdout: %s", strerror(errno));

    }

    if (dup2(fd, STDERR_FILENO) == -1) {

        fatal("cannot redirect stderr: %s", strerror(errno));

    }

    dup2(fd, STDOUT_FILENO);

    dup2(fd, STDERR_FILENO);

    unix_close(fd);

#ifdef _WIN32