note BrowserUk <blockquote><i></i></blockquote> <p>What do you mean by "thread-safe"? <p>If two threads attempt to touch the same file, first one will succeed(*), and then the other will succeed(*). <P>Of course, it will be impossible to know <i>which thread</i> succeeded first (or last), but the files timestamps will have changed. <p>And whichever order they do it in, the file will have been touched twice as programmed. <P>How do you want to define "not thread-safe"? <p>(*)Where "success" is defined as altering the timestamps on the file to some value. <div class="pmsig"><div class="pmsig-171588"> <hr /> <font size=1 > <div>With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'</div> <div>Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.</div> <div>"Science is about questioning the status quo. Questioning authority". </div> <div>In the absence of evidence, opinion is indistinguishable from prejudice. <p align=right> [http://thebottomline.cpaaustralia.com.au/|RIP Neil Armstrong]</p></div> </font> </div></div> 1005135 1005135