RE: [PHP] Threads

> >>> Greetings everyone, I was wondering where I could find information on the > >>> status and possibilities of threads being included in PHP. Or if you are > >>> knowledge-able on the status of threads, if it is a planned addition or not > >>> and the reasons as such. I understand PHP is not thread safe, that the core > >>> is thread safe but many required extensions are not. Is there a road map to > >>> this? > >> Being thread safe and being able to use threads are two different things. > >> > >> PHP 5 *is* thread safe, but a great many extensions are not. > >> > >> PHP is never likely to support threads. Remember that the majority of > >> PHP usage is in the context of web requests. There are a great many > >> issues the crop up when you consider adding threading to an Apache > >> module, and I'm sure the same is true of most of the other SAPIs. > >> > >> Hope that helps. > > > > Hmm. I was looking into proc_open and pcntl_fork as a way to have a "Manager > > application" handle "Worker applications" (or worker threads -- so to speak). > > > > Actually as a quick way to develop in PHP instead of C++. Some of the worker processes > > are actually C++ and some are PHP. > > > > Can anyone expound on these alternatives to threads? I'm assuming that neither > > "blocks" execution of the spawned process. Is it merely the difference between processes > > and threads whereas threads have less overhead? This is for a command line PHP-GTK app (the Manager > > Application) and I'm not too concerned about running out of resources. > > > > I noticed the proc_* methods allow for getting the status and maybe the manager will kill > > off some workers if they do not behave as desired. > > proc_* will give you complete control over spawned/child processes at the OS level. > overhead is not the only difference, but for your practical purposes child process spawning > will cover your bases. Thanks. _________________________________________________________________ Peek-a-boo FREE Tricks & Treats for You! http://www.reallivemoms.com?ocid=TXT_TAGHM&loc=us