2 * Copyright © 2013 Canonical Ltd.
4 * This program is free software: you can redistribute it and/or modify it
5 * under the terms of the GNU Lesser General Public License version 3,
6 * as published by the Free Software Foundation.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU Lesser General Public License for more details.
13 * You should have received a copy of the GNU Lesser General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
16 * Authored by: Thomas Voß <thomas.voss@canonical.com>
19 #include <core/posix/linux/proc/process/oom_adj.h>
21 #include <core/posix/process.h>
27 #include <linux/oom.h>
40 int OomAdj::disable_value()
45 int OomAdj::min_value()
47 return OOM_ADJUST_MIN;
50 int OomAdj::max_value()
52 return OOM_ADJUST_MAX;
55 const posix::Process& operator>>(const posix::Process& process, OomAdj& adj)
57 std::stringstream ss; ss << "/proc/" << process.pid() << "/oom_adj";
58 std::ifstream in(ss.str());
65 const posix::Process& operator<<(const posix::Process& process, const OomAdj& adj)
68 throw std::logic_error("Value for adjusting the oom score is invalid.");
70 std::stringstream ss; ss << "/proc/" << process.pid() << "/oom_adj";
71 std::ofstream out(ss.str());