At Wed, 5 Jun 2002 15:50:20 +1000, Gavin Carr wrote: > On Wed, Jun 05, 2002 at 03:49:59PM +1000, Angus Lees wrote: > > At Wed, 5 Jun 2002 14:37:28 +1000, Gavin Carr wrote: > > > I've got a situation where I want to able to write lock some of my epl > > > components and know that the locking will be honoured ... > > > > just do the usual "write to a temporary file next to it, then rename > > over the file you wanted" trick. IO::AtomicFile will do it for you, > > in fact. > > Yeah that handles atomic writes, but not proper atomic updates - read > data, modify, write, avoiding the race condition between the read and > the write. I think that requires proper locking?
yes, i hadn't realised you wanted to read them in first.. it sounds like you want to write your own EMBPERL_INPUT_FUNC, which does the locking and then a normal file read (see Embperl docs for an example of "normal") -- - Gus --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
