b656a154ea
Test: recovery_component_test Test: recovery_unit_test Test: Apply an OTA on angler. Change-Id: I7170f03e4ce1fe06184ca1d7bcce0a695f33ac4d
53 lines
1.4 KiB
C++
53 lines
1.4 KiB
C++
/*
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* Copyright 2006 The Android Open Source Project
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*
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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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#ifndef _OTAUTIL_SYSUTIL
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#define _OTAUTIL_SYSUTIL
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#include <sys/types.h>
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#include <string>
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#include <vector>
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/*
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* Use this to keep track of mapped segments.
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*/
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class MemMapping {
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public:
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~MemMapping();
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// Map a file into a private, read-only memory segment. If 'filename' begins with an '@'
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// character, it is a map of blocks to be mapped, otherwise it is treated as an ordinary file.
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bool MapFile(const std::string& filename);
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size_t ranges() const {
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return ranges_.size();
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};
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unsigned char* addr; // start of data
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size_t length; // length of data
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private:
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struct MappedRange {
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void* addr;
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size_t length;
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};
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bool MapBlockFile(const std::string& filename);
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bool MapFD(int fd);
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std::vector<MappedRange> ranges_;
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};
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#endif // _OTAUTIL_SYSUTIL
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