site_archiver@lists.apple.com Delivered-To: darwin-kernel@lists.apple.com Tried different values, the last one 200. alloc_item if (OK) { alloc_and_fill_names if (OK) { if (limit_reached) dequeue_last enqueue_item } } -- Terry _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-kernel mailing list (Darwin-kernel@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-kernel/site_archiver%40lists.a... On Mar 5, 2007, at 12:30 PM, Ondra Cada wrote: struct file_change { TAILQ_ENTRY(file_change) link; char *name,*oldname; // malloc'd, to be released, oldname only for RENAME unsigned long long serial; // ID of this item long pid; // caller process ID }; In "full" version of course there's much more alloc'd for the names. It, though, crashes the same when the name allocation is commented- out. How large was the limit you imposed? It might be important that, like Kauthorama does, when the limit is reached I don't cease malloc'ing; instead, for each malloc I release the oldest queued item. Essentially, the algorithm is How do you protect your queue against reentrancy by multiple threads of control, resulting in corruption of the queue? This email sent to site_archiver@lists.apple.com