64 lines
1.7 KiB
C++
64 lines
1.7 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 2016 Danny Robson <danny@nerdcruft.net>
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*/
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#ifndef __CRUFT_UTIL_POSIX_HPP
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#define __CRUFT_UTIL_POSIX_HPP
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#include "./fd.hpp"
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#include <sys/mman.h>
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#include <cstdint>
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namespace util::posix {
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class map {
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public:
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map (const map&) = delete;
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map (map&&);
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map (size_t size, int prot, int flags);
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map (size_t size, int prot, int flags, const fd&, off_t offset = 0);
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~map ();
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map& operator= (const map&) = delete;
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map& operator= (map&&);
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uint8_t* begin (void);
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uint8_t* end (void);
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const uint8_t* begin (void) const;
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const uint8_t* end (void) const;
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const uint8_t* cbegin (void) const;
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const uint8_t* cend (void) const;
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void* data (void);
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const void* data (void) const;
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void sync (void *addr, size_t len, int flags);
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bool empty (void) const;
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size_t size (void) const;
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enum class resize_t { MOVE, NOMOVE };
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void resize (size_t newsize, resize_t = resize_t::NOMOVE);
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private:
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void *m_addr;
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size_t m_size;
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};
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}
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#endif
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