Description

Create an advisory lock file, containing the pid of the current process. The lock file's name will be the name of the file being locked with a '.' prepended.

Parameters

• filename (of the file being locked)
  
  

Returns

• None
  
  

Example

See the TiddlyWeb text store for details.

Notes

This is used by the text store to prevent concurrent writes to the same tiddler (to preserve revision handling).