To open and get stat with setting FILE_SHARE_DELETE
# File lib/fluent/plugin/file_wrapper.rb, line 61 def initialize(path, mode='r', sharemode=FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE) @path = path @file_handle = INVALID_HANDLE_VALUE @mode = mode access, creationdisposition, seektoend = case mode.delete('b') when "r" ; [FILE_GENERIC_READ , OPEN_EXISTING, false] when "r+"; [FILE_GENERIC_READ | FILE_GENERIC_WRITE, OPEN_ALWAYS , false] when "w" ; [FILE_GENERIC_WRITE , CREATE_ALWAYS, false] when "w+"; [FILE_GENERIC_READ | FILE_GENERIC_WRITE, CREATE_ALWAYS, false] when "a" ; [FILE_GENERIC_WRITE , OPEN_ALWAYS , true] when "a+"; [FILE_GENERIC_READ | FILE_GENERIC_WRITE, OPEN_ALWAYS , true] else raise "unknown mode '#{mode}'" end @file_handle = CreateFile.call(@path, access, sharemode, 0, creationdisposition, FILE_ATTRIBUTE_NORMAL, 0) if @file_handle == INVALID_HANDLE_VALUE err = GetLastError.call if err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND || err == ERROR_ACCESS_DENIED raise SystemCallError.new(2) end raise SystemCallError.new(err) end end
# File lib/fluent/plugin/file_wrapper.rb, line 88 def close CloseHandle.call(@file_handle) @file_handle = INVALID_HANDLE_VALUE end
# File lib/fluent/plugin/file_wrapper.rb, line 103 def ino by_handle_file_information = '\0'*(4+8+8+8+4+4+4+4+4+4) #72bytes unless GetFileInformationByHandle.call(@file_handle, by_handle_file_information) return 0 end by_handle_file_information.unpack("I11Q1")[11] # fileindex end
# File lib/fluent/plugin/file_wrapper.rb, line 93 def io fd = _open_osfhandle(@file_handle, 0) raise Errno::ENOENT if fd == -1 io = File.for_fd(fd, @mode) io.instance_variable_set :@ino, self.ino io.instance_variable_set :@path, @path io.extend WindowsFileExtension io end
# File lib/fluent/plugin/file_wrapper.rb, line 113 def stat s = File.stat(@path) s.instance_variable_set :@ino, self.ino def s.ino; @ino; end s end