c3292f3fcb
Add unit testcases for sysMapFile(). Test: recovery_unit_test passes. Test: Build and use the new recovery image to sideload a package. Test: Build and use the new recovery image to install an update. Change-Id: I77d8f1ea151ab513865d992c256ba93a1fcb51a4
55 lines
1.4 KiB
C++
55 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 <vector>
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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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/*
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* Use this to keep track of mapped segments.
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*/
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struct MemMapping {
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unsigned char* addr; /* start of data */
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size_t length; /* length of data */
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std::vector<MappedRange> ranges;
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};
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/*
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* Map a file into a private, read-only memory segment. If 'fn'
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* begins with an '@' character, it is a map of blocks to be mapped,
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* otherwise it is treated as an ordinary file.
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*
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* On success, "pMap" is filled in, and zero is returned.
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*/
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int sysMapFile(const char* fn, MemMapping* pMap);
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/*
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* Release the pages associated with a shared memory segment.
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*
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* This does not free "pMap"; it just releases the memory.
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*/
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void sysReleaseMap(MemMapping* pMap);
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#endif // _OTAUTIL_SYSUTIL
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