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Diffstat (limited to 'src/leveldb/util/env_win.cc')
-rw-r--r--src/leveldb/util/env_win.cc12
1 files changed, 7 insertions, 5 deletions
diff --git a/src/leveldb/util/env_win.cc b/src/leveldb/util/env_win.cc
index b074b7579e..d32c4e676c 100644
--- a/src/leveldb/util/env_win.cc
+++ b/src/leveldb/util/env_win.cc
@@ -1,7 +1,7 @@
// This file contains source that originates from:
// http://code.google.com/p/leveldbwin/source/browse/trunk/win32_impl_src/env_win32.h
// http://code.google.com/p/leveldbwin/source/browse/trunk/win32_impl_src/port_win32.cc
-// Those files dont' have any explict license headers but the
+// Those files don't have any explicit license headers but the
// project (http://code.google.com/p/leveldbwin/) lists the 'New BSD License'
// as the license.
#if defined(LEVELDB_PLATFORM_WINDOWS)
@@ -355,11 +355,13 @@ BOOL Win32SequentialFile::_Init()
ToWidePath(_filename, path);
_hFile = CreateFileW(path.c_str(),
GENERIC_READ,
- FILE_SHARE_READ,
+ FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL,
OPEN_EXISTING,
- FILE_ATTRIBUTE_NORMAL,
+ FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN,
NULL);
+ if (_hFile == INVALID_HANDLE_VALUE)
+ _hFile = NULL;
return _hFile ? TRUE : FALSE;
}
@@ -403,7 +405,7 @@ BOOL Win32RandomAccessFile::_Init( LPCWSTR path )
{
BOOL bRet = FALSE;
if(!_hFile)
- _hFile = ::CreateFileW(path,GENERIC_READ,FILE_SHARE_READ,NULL,OPEN_EXISTING,
+ _hFile = ::CreateFileW(path,GENERIC_READ,FILE_SHARE_READ|FILE_SHARE_WRITE,NULL,OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL | FILE_FLAG_RANDOM_ACCESS,NULL);
if(!_hFile || _hFile == INVALID_HANDLE_VALUE )
_hFile = NULL;
@@ -669,7 +671,7 @@ Status Win32Env::GetFileSize( const std::string& fname, uint64_t* file_size )
ToWidePath(ModifyPath(path), wpath);
HANDLE file = ::CreateFileW(wpath.c_str(),
- GENERIC_READ,FILE_SHARE_READ,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL);
+ GENERIC_READ,FILE_SHARE_READ|FILE_SHARE_WRITE,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL);
LARGE_INTEGER li;
if(::GetFileSizeEx(file,&li)){
*file_size = (uint64_t)li.QuadPart;