// OpenVPN -- An application to securely tunnel IP networks // over a single port, with support for SSL/TLS-based // session authentication and key exchange, // packet encryption, packet authentication, and // packet compression. // // Copyright (C) 2012-2020 OpenVPN Inc. // // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU Affero General Public License Version 3 // as published by the Free Software Foundation. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU Affero General Public License for more details. // // You should have received a copy of the GNU Affero General Public License // along with this program in the COPYING file. // If not, see <http://www.gnu.org/licenses/>. // Portable millisecond sleep #ifndef OPENVPN_COMMON_SLEEP_H #define OPENVPN_COMMON_SLEEP_H #include <openvpn/common/platform.hpp> #ifdef OPENVPN_PLATFORM_WIN #include <windows.h> #else #include <time.h> #endif namespace openvpn { inline bool sleep_milliseconds(const unsigned int milliseconds) { #ifdef OPENVPN_PLATFORM_WIN ::Sleep(milliseconds); return true; #else struct timespec ts; ts.tv_sec = milliseconds / 1000U; ts.tv_nsec = (milliseconds % 1000U) * 1000000U; return ::nanosleep(&ts, nullptr) == 0; #endif } } #endif