mirror of
https://github.com/ton-blockchain/ton
synced 2025-03-09 15:40:10 +00:00
52 lines
1.4 KiB
C++
52 lines
1.4 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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#pragma once
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#include <cerrno>
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#include <type_traits>
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namespace td {
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#if TD_PORT_POSIX
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namespace detail {
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template <class F>
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auto skip_eintr(F &&f) {
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decltype(f()) res;
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static_assert(std::is_integral<decltype(res)>::value, "integral type expected");
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do {
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errno = 0; // just in case
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res = f();
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} while (res < 0 && errno == EINTR);
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return res;
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}
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template <class F>
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auto skip_eintr_cstr(F &&f) {
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char *res;
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do {
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errno = 0; // just in case
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res = f();
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} while (res == nullptr && errno == EINTR);
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return res;
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}
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} // namespace detail
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#endif
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} // namespace td
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