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68 lines
1.4 KiB
68 lines
1.4 KiB
/*
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ISC License
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Copyright (c) 2025, Antonio SJ Musumeci <trapexit@spawn.link>
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "oom.hpp"
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#include "fs_exists.hpp"
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#include "fmt/core.h"
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#include <fstream>
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#include <tuple>
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constexpr char SELF_OOM_SCORE_ADJ[] = "/proc/self/oom_score_adj";
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bool
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oom::has_oom_score_adj()
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{
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return fs::exists(SELF_OOM_SCORE_ADJ);
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}
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int
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oom::get_oom_score_adj()
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{
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int score;
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std::ifstream ifs;
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ifs.open(SELF_OOM_SCORE_ADJ);
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if(!ifs)
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return 0;
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ifs >> score;
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ifs.close();
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return score;
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}
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int
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oom::set_oom_score_adj(const int score_)
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{
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std::ofstream ofs;
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ofs.open(SELF_OOM_SCORE_ADJ);
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if(!ofs)
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return -errno;
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ofs << fmt::format("{}",score_);
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ofs.close();
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return 0;
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}
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