3 ms·
Many of the OS calls had asynchronous versions (PBHOpenAsync, etc) which add it to a queue for later processing and call your completion pointer when done. Tha
by ksherlock 12y ago
Many of the OS calls had asynchronous versions (PBHOpenAsync, etc) which add it to a queue for later processing and call your completion pointer when done. That was documented in Inside Macintosh Volume 1 (1985), predating Multifinder.