40 lines
1.0 KiB
C++
40 lines
1.0 KiB
C++
/*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Copyright 2015 Danny Robson <danny@nerdcruft.net>
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*/
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#include "./system.hpp"
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#include "../except.hpp"
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#include "../cast.hpp"
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#include <unistd.h>
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///////////////////////////////////////////////////////////////////////////////
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size_t
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util::memory::pagesize (void)
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{
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static size_t val;
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if (!val) {
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auto res = sysconf (_SC_PAGE_SIZE);
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if (res == -1)
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errno_error::throw_code ();
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val = sign_cast<unsigned long> (res);
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}
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return val;
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}
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