Re: PHP 4.0 Bug #7554: Exclusive flock() breaks client/server communication

On 31 Oct 2000 php@develnet.org wrote: > From: php@develnet.org > Operating system: RedHat 6.2 > PHP version: 4.0.3pl1 > PHP Bug Type: Filesystem function related > Bug description: Exclusive flock() breaks client/server communication > > A 2nd exclusive flock() - or a try to do so - causes a kind of infinite loop. Browser(s) are > not responding. The Apache-process is allowed to write to /tmp. > > > $fp1 = fopen("/tmp/test.txt","a"); > if (!$fp1) die("cant open file 1"); > if (!flock($fp1,2)) die("cant lock file 1"); > > $fp2 = fopen("/tmp/test.txt","a"); > if (!$fp2) die("cant open file 2"); > > // causes troubles > if (!flock($fp2,2)) die("cant lock file 2"); > > fclose($fp2); > fclose($fp1) > > > My configure: > > './configure' '--with-apxs=/usr/local/httpd/bin/apxs' > '--with-config-file-path=/usr/local/httpd/conf' '--enable-track-vars' > '--with-gdbm' '--enable-ftp' '--with-gd' > '--with-ttf=/usr/include/freetype' '--enable-sysvshm' > '--enable-sysvsem' '--with-openssl=../openssl-0.9.5a' > '--with-imap=../imap-4.7c' '--with-pdflib' '--enable-sockets' > '--with-mysql=/usr/local/mysql' '--with-oci8=/opt/oracle/product/8.1.5' > '--with-sablot' > Are you sure that it isn't blocking on the second fopen()? That's what locking is supposed to do. -- Ignacio Vazquez-Abrams <ignacio@openservices.net>