Martin Moss wrote: > All, > > I wish to add forking to a script I wrote. > However I wish to ensure that only a configurable number of 'children' are > created. > > forking is no problem, > Queuing up things to be forked I can do, > > However is there an easy way to create a hard total, I was thinking the only > way is to have each fork write it's pid to a file, and delete it when it > dies, and the main parent simply counts the number of pid files in a > directory. if The Number is reached the parent may check with a kill=>1 on > each pid file just to check for non existing processes or possibly kill -9'd > processes. > > Or can I do it all in memory and have the parent control, maybe using > signals? > > Has anybody done something simillar, can anybody suggest other methods?
What's the big deal ? You get the pid back after each fork, just store it in an array and you can keep track of how many you have forked. Use waitpid to reap the children periodically (with WNOHANG unless the parent has nothing else to do). -- ,-/- __ _ _ $Bill Luebkert ICQ=14439852 (_/ / ) // // DBE Collectibles Mailto:[EMAIL PROTECTED] / ) /--< o // // http://dbecoll.tripod.com/ (Free site for Perl) -/-' /___/_<_</_</_ Castle of Medieval Myth & Magic http://www.todbe.com/ _______________________________________________ Perl-Unix-Users mailing list [EMAIL PROTECTED] To unsubscribe: http://listserv.ActiveState.com/mailman/mysubs
