Important: The information in this document is obsolete and should not be used for new development.
Inside Macintosh: Networking With Open Transport / Part 2 - Open Transport ReferenceChapter 23 - Programming With Open Transport Reference / Functions
Checking Synchronous Calls Open Transport provides the OTCanMakeSyncCall function so that you can check whether you can call a synchronous function.
OTCanMakeSyncCall