Re: Extension Installer Catch 22

On Sat, 10 Jun 2006 19:18:56 +0200 Stefan Esser <sesser@php.net> wrote: > Hello Michael, > > I'm writing an extension installer. I want to write the installer in > > PHP. This presents a problem if the extension was previously installed and > > is automatically being loaded because it can segfault after overwriting > > the .so module file. > > > > IIRC, the correct way to replace .so files is to unlink() them first and > then write the new file into place. Bingo. That works perfectly. So 'copy' truncates. If you 'unlink' first you get a new inode and I guess the old module is copy-on-write'd. Thanks, Mike -- Michael B Allen PHP Extension for SSO w/ Windows Group Authorization http://www.ioplex.com/