JournaledFile JournaledFile is a library that supports journaled transactional files
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JournaledFile Tags

files transaction development library transactional files journaled transaction journaled

JournaledFile Description

JournaledFile is a library that supports journaled transactional files JournaledFile is a library that supports journaled transactional files.JournaledFile allows writes to be done to a file without risking file corruption in the event that the process or OS crashes or the power goes out.Here are some key features of "JournaledFile":· for each write, it logs the file position, length of write and the data to a log file (file.log) · when JFile_sync() is called: * it sets the log header status to "committed" * the log writes are performed on output file * the log file is truncated and it's status set to "uncommitted"· when JFile is opened, if it finds a log file then: * if the log status is "committed":· it assumes the log did not complete it's write so it · writes the log to the file again and removes the log and lock * if the log status is "uncommitted":· it assumes the log is not complete and removes it.

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