| public SharedLockFile ( sqlite3_file, pFile, long offset, long length ) : int | ||
| pFile | sqlite3_file, | |
| offset | long | |
| length | long | |
| return | int | |
public virtual int SharedLockFile( sqlite3_file pFile, long offset, long length )
{
#if !SQLITE_SILVERLIGHT
Debug.Assert( length == SHARED_SIZE );
Debug.Assert( offset == SHARED_FIRST );
System.Threading.NativeOverlapped ovlp = new System.Threading.NativeOverlapped();
ovlp.OffsetLow = (int)offset;
ovlp.OffsetHigh = 0;
ovlp.EventHandle = IntPtr.Zero;
return LockFileEx( pFile.fs.Handle, LOCKFILE_FAIL_IMMEDIATELY, 0, (uint)length, 0, ref ovlp ) ? 1 : 0;
#else
return 1;
#endif
}
