site_archiver@lists.apple.com Delivered-To: darwin-dev@lists.apple.com Organization: Swedish Institute of Computer Science On May 30, 2006, at 9:07 AM, Per Mildner wrote: _______________________________________________ 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... One guess would be that there are cancellation points within the thread startup code. That's why the exit_status check is there - so we know we at least get to the read() call... Yes, I realized that my theory was wrong after sending my mail. In either case pthread_cancel does not appear to be able to break all blocking calls to read. This email sent to site_archiver@lists.apple.com