Hold an exclusive lock on the output file
For a list of all members of this type, see FileAppender.ExclusiveLock Members.
Public static (Shared in Visual Basic) members of this type are safe for multithreaded operations. Instance members are not guaranteed to be thread-safe.
Open the file once for writing and hold it open until CloseFile is called. Maintains an exclusive lock on the file during this time.
Assembly: log4net (in log4net.dll)