Re: Re: Log and locking

From: Date: Thu, 19 Sep 2002 18:42:56 +0000
Subject: Re: Re: Log and locking
References: 1 2 3  Groups: php.pear.dev 
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On Thu, Sep 19, 2002 at 01:52:39PM +0200, Kristian Koehntopp wrote: > On Tue, Sep 17, 2002 at 07:29:08PM +0100, Richard Heyes wrote: > > if (!$this->_opened) { > > $this->fp = fopen($this->filename, 'a'); > > + flock($this->fp, LOCK_EX); > > + fseek($this->fp, 0, SEEK_END); > > $this->_opened = true; > > Opening a file in append mode (a as the first character of > mode) causes all subsequent write operations to this > stream to occur at end-of-file, as if preceded by an > fseek(stream,0,SEEK_END); > call. > > Also, you do not need to lock. The mode "a" was created specifically to > obviate the need for locking log files. > > See Stevens, "Advanced Programming In The UNIX Environment" for details and > discussion. Page 126 agrees with you. Thanks for pointing that out! -- Jon Parise (jon@php.net) :: The PHP Project (http://www.php.net/)

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