am 2617a82a: Merge "Fix native crash by caused wrong munmap."
* commit '2617a82a980577b03a213e36fc32be28fa1ddddd': Fix native crash by caused wrong munmap.main
commit
b88ff72876
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@ -22,7 +22,7 @@
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#include "suggest/policyimpl/dictionary/dynamic_patricia_trie_policy.h"
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#include "suggest/policyimpl/dictionary/patricia_trie_policy.h"
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#include "suggest/policyimpl/dictionary/utils/format_utils.h"
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#include "suggest/policyimpl/dictionary/utils/mmaped_buffer.h"
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#include "suggest/policyimpl/dictionary/utils/mmapped_buffer.h"
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namespace latinime {
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@ -31,7 +31,7 @@ namespace latinime {
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const int bufOffset, const int size, const bool isUpdatable) {
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// Allocated buffer in MmapedBuffer::openBuffer() will be freed in the destructor of
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// impl classes of DictionaryStructureWithBufferPolicy.
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const MmapedBuffer *const mmapedBuffer = MmapedBuffer::openBuffer(path, pathLength, bufOffset,
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const MmappedBuffer *const mmapedBuffer = MmappedBuffer::openBuffer(path, pathLength, bufOffset,
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size, isUpdatable);
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if (!mmapedBuffer) {
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return 0;
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@ -24,7 +24,7 @@
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#include "suggest/policyimpl/dictionary/bigram/bigram_list_policy.h"
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#include "suggest/policyimpl/dictionary/header/header_policy.h"
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#include "suggest/policyimpl/dictionary/shortcut/shortcut_list_policy.h"
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#include "suggest/policyimpl/dictionary/utils/mmaped_buffer.h"
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#include "suggest/policyimpl/dictionary/utils/mmapped_buffer.h"
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namespace latinime {
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@ -33,7 +33,7 @@ class DicNodeVector;
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class DynamicPatriciaTriePolicy : public DictionaryStructureWithBufferPolicy {
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public:
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DynamicPatriciaTriePolicy(const MmapedBuffer *const buffer)
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DynamicPatriciaTriePolicy(const MmappedBuffer *const buffer)
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: mBuffer(buffer), mHeaderPolicy(mBuffer->getBuffer()),
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mDictRoot(mBuffer->getBuffer() + mHeaderPolicy.getSize()),
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mBigramListPolicy(mDictRoot), mShortcutListPolicy(mDictRoot) {}
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@ -86,7 +86,7 @@ class DynamicPatriciaTriePolicy : public DictionaryStructureWithBufferPolicy {
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DISALLOW_IMPLICIT_CONSTRUCTORS(DynamicPatriciaTriePolicy);
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static const int MAX_CHILD_COUNT_TO_AVOID_INFINITE_LOOP;
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const MmapedBuffer *const mBuffer;
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const MmappedBuffer *const mBuffer;
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const HeaderPolicy mHeaderPolicy;
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// TODO: Consolidate mDictRoot.
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const uint8_t *const mDictRoot;
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@ -24,7 +24,7 @@
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#include "suggest/policyimpl/dictionary/bigram/bigram_list_policy.h"
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#include "suggest/policyimpl/dictionary/header/header_policy.h"
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#include "suggest/policyimpl/dictionary/shortcut/shortcut_list_policy.h"
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#include "suggest/policyimpl/dictionary/utils/mmaped_buffer.h"
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#include "suggest/policyimpl/dictionary/utils/mmapped_buffer.h"
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namespace latinime {
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@ -33,7 +33,7 @@ class DicNodeVector;
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class PatriciaTriePolicy : public DictionaryStructureWithBufferPolicy {
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public:
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PatriciaTriePolicy(const MmapedBuffer *const buffer)
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PatriciaTriePolicy(const MmappedBuffer *const buffer)
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: mBuffer(buffer), mHeaderPolicy(mBuffer->getBuffer()),
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mDictRoot(mBuffer->getBuffer() + mHeaderPolicy.getSize()),
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mBigramListPolicy(mDictRoot), mShortcutListPolicy(mDictRoot) {}
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@ -97,7 +97,7 @@ class PatriciaTriePolicy : public DictionaryStructureWithBufferPolicy {
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private:
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DISALLOW_IMPLICIT_CONSTRUCTORS(PatriciaTriePolicy);
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const MmapedBuffer *const mBuffer;
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const MmappedBuffer *const mBuffer;
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const HeaderPolicy mHeaderPolicy;
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const uint8_t *const mDictRoot;
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const BigramListPolicy mBigramListPolicy;
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@ -14,8 +14,8 @@
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* limitations under the License.
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*/
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#ifndef LATINIME_MMAPED_BUFFER_H
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#define LATINIME_MMAPED_BUFFER_H
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#ifndef LATINIME_MMAPPED_BUFFER_H
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#define LATINIME_MMAPPED_BUFFER_H
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#include <cerrno>
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#include <fcntl.h>
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@ -27,39 +27,40 @@
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namespace latinime {
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class MmapedBuffer {
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class MmappedBuffer {
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public:
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static MmapedBuffer* openBuffer(const char *const path, const int pathLength,
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const int bufOffset, const int size, const bool isUpdatable) {
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static MmappedBuffer* openBuffer(const char *const path, const int pathLength,
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const int bufferOffset, const int bufferSize, const bool isUpdatable) {
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const int openMode = isUpdatable ? O_RDWR : O_RDONLY;
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const int fd = open(path, openMode);
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if (fd < 0) {
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const int mmapFd = open(path, openMode);
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if (mmapFd < 0) {
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AKLOGE("DICT: Can't open the source. path=%s errno=%d", path, errno);
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return 0;
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}
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const int pagesize = getpagesize();
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const int offset = bufOffset % pagesize;
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int adjOffset = bufOffset - offset;
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int adjSize = size + offset;
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const int offset = bufferOffset % pagesize;
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int alignedOffset = bufferOffset - offset;
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int alignedSize = bufferSize + offset;
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const int protMode = isUpdatable ? PROT_READ | PROT_WRITE : PROT_READ;
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void *const mmapedBuffer = mmap(0, adjSize, protMode, MAP_PRIVATE, fd, adjOffset);
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if (mmapedBuffer == MAP_FAILED) {
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void *const mmappedBuffer = mmap(0, alignedSize, protMode, MAP_PRIVATE, mmapFd,
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alignedOffset);
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if (mmappedBuffer == MAP_FAILED) {
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AKLOGE("DICT: Can't mmap dictionary. errno=%d", errno);
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close(fd);
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close(mmapFd);
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return 0;
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}
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uint8_t *const buffer = static_cast<uint8_t *>(mmapedBuffer) + offset;
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uint8_t *const buffer = static_cast<uint8_t *>(mmappedBuffer) + offset;
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if (!buffer) {
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AKLOGE("DICT: buffer is null");
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close(fd);
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close(mmapFd);
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return 0;
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}
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return new MmapedBuffer(buffer, adjSize, fd, offset, isUpdatable);
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return new MmappedBuffer(buffer, bufferSize, mmappedBuffer, alignedSize, mmapFd,
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isUpdatable);
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}
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~MmapedBuffer() {
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int ret = munmap(static_cast<void *>(mBuffer - mBufferOffset),
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mBufferSize + mBufferOffset);
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~MmappedBuffer() {
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int ret = munmap(mMmappedBuffer, mAlignedSize);
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if (ret != 0) {
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AKLOGE("DICT: Failure in munmap. ret=%d errno=%d", ret, errno);
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}
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@ -82,18 +83,20 @@ class MmapedBuffer {
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}
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private:
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AK_FORCE_INLINE MmapedBuffer(uint8_t *const buffer, const int bufferSize, const int mmapFd,
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const int bufferOffset, const bool isUpdatable)
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: mBuffer(buffer), mBufferSize(bufferSize), mMmapFd(mmapFd),
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mBufferOffset(bufferOffset), mIsUpdatable(isUpdatable) {}
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AK_FORCE_INLINE MmappedBuffer(uint8_t *const buffer, const int bufferSize,
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void *const mmappedBuffer, const int alignedSize, const int mmapFd,
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const bool isUpdatable)
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: mBuffer(buffer), mBufferSize(bufferSize), mMmappedBuffer(mmappedBuffer),
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mAlignedSize(alignedSize), mMmapFd(mmapFd), mIsUpdatable(isUpdatable) {}
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DISALLOW_IMPLICIT_CONSTRUCTORS(MmapedBuffer);
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DISALLOW_IMPLICIT_CONSTRUCTORS(MmappedBuffer);
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uint8_t *const mBuffer;
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const int mBufferSize;
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void *const mMmappedBuffer;
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const int mAlignedSize;
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const int mMmapFd;
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const int mBufferOffset;
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const bool mIsUpdatable;
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};
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}
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#endif /* LATINIME_MMAPED_BUFFER_H */
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#endif /* LATINIME_MMAPPED_BUFFER_H */
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