/* * Copyright © 2013 Canonical Ltd. * * This program is free software: you can redistribute it and/or modify it * under the terms of the GNU Lesser 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program. If not, see . * * Authored by: Thomas Voß */ #include #include #include #include #include #include namespace core { namespace posix { namespace linux { namespace proc { namespace process { int OomScoreAdj::min_value() { return OOM_SCORE_ADJ_MIN; } int OomScoreAdj::max_value() { return OOM_SCORE_ADJ_MAX; } const posix::Process& operator>>(const posix::Process& process, OomScoreAdj& score_adj) { std::stringstream ss; ss << "/proc/" << process.pid() << "/oom_score_adj"; std::ifstream in(ss.str()); in >> score_adj.value; return process; } const posix::Process& operator<<(const posix::Process& process, const OomScoreAdj& score_adj) { if (!score_adj.is_valid()) throw std::logic_error("Value for adjusting the oom score is invalid."); std::stringstream ss; ss << "/proc/" << process.pid() << "/oom_score_adj"; std::ofstream out(ss.str()); out << score_adj.value; return process; } } } } } }