mirror of
https://github.com/ton-blockchain/ton
synced 2025-03-09 15:40:10 +00:00
107 lines
2.7 KiB
C++
107 lines
2.7 KiB
C++
/*
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This file is part of TON Blockchain Library.
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TON Blockchain Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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TON Blockchain Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with TON Blockchain Library. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2017-2020 Telegram Systems LLP
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*/
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#include "td/utils/port/rlimit.h"
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#include "td/utils/port/config.h"
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#include "td/utils/misc.h"
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#if TD_PORT_POSIX
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#include <sys/resource.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#endif
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namespace td {
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#if TD_PORT_POSIX
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namespace {
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int get_rlimit_type(RlimitType rlim_type) {
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switch (rlim_type) {
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case RlimitType::nofile:
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return RLIMIT_NOFILE;
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case RlimitType::rss:
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return RLIMIT_RSS;
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default:
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UNREACHABLE();
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}
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}
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} // namespace
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td::Status change_rlimit(RlimitType rlim_type, td::uint64 value, td::uint64 cap) {
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if (cap && value > cap) {
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return td::Status::Error("setrlimit(): bad argument");
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}
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int resource = get_rlimit_type(rlim_type);
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struct rlimit r;
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if (getrlimit(resource, &r) < 0) {
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return td::Status::PosixError(errno, "failed getrlimit()");
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}
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if (cap) {
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r.rlim_max = cap;
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} else if (r.rlim_max < value) {
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r.rlim_max = value;
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}
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r.rlim_cur = value;
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if (setrlimit(resource, &r) < 0) {
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return td::Status::PosixError(errno, "failed setrlimit()");
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}
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return td::Status::OK();
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}
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td::Status change_maximize_rlimit(RlimitType rlim_type, td::uint64 value) {
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int resource = get_rlimit_type(rlim_type);
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struct rlimit r;
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if (getrlimit(resource, &r) < 0) {
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return td::Status::PosixError(errno, "failed getrlimit()");
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}
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if (r.rlim_max < value) {
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auto t = r;
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t.rlim_cur = value;
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t.rlim_max = value;
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if (setrlimit(resource, &t) >= 0) {
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return td::Status::OK();
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}
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}
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r.rlim_cur = value < r.rlim_max ? value : r.rlim_max;
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if (setrlimit(resource, &r) < 0) {
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return td::Status::PosixError(errno, "failed setrlimit()");
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}
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return td::Status::OK();
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}
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#else
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td::Status change_rlimit(RlimitType rlim, td::uint64 value) {
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return td::Status::Error("setrlimit not implemented on WINDOWS");
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}
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td::Status change_maximize_rlimit(RlimitType rlim, td::uint64 value) {
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return td::Status::OK();
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}
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#endif
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} // namespace td
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