site_archiver@lists.apple.com Delivered-To: darwin-dev@lists.apple.com Dkim-signature: v=1; a=rsa-sha1; c=relaxed; d=alastairs-place.net; h= subject:mime-version:content-type:from:in-reply-to:date:cc: content-transfer-encoding:message-id:references:to; q=dns/txt; s= aug07; bh=wQ9t9dnaucrW8EkvPs6KqX7tTsY=; b=e7zeE00XKfDVacZXv8ecFi 2cymgUr9inZ5LmFuI/Cj6ui16X0s+UoLA+D/Y3/SPVBQwL5h3AewMO8cCFikJ9XI 6YajiFb26zIkS6/NNQ047npBlP499iI34exWm3xwgo9h12RZD7vRKrQmMnSlSnNh 5AT1VsuaZSmrc5g9JVWD8= On 25 Sep 2009, at 20:07, Terry Lambert wrote: press? I don't recognise that in this context, but I'm curious? Kind regards, Alastair. -- http://alastairs-place.net _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.appl... If the same file is being contended in multiple threads (the mutex usage will normally not kick in unless your program is multithreaded in the first place), then you need to stop using stdio and switch to using aio_read or press instead, and managing any block buffering, like that normally provided by stdio, in your own code. And in which version of OS X did support for aio_read() debut? I don't recall noticing support for the REALTIME stuff before (maybe I just missed it somehow). This email sent to site_archiver@lists.apple.com