[Development] Announcement for developers of Qt on macOS and iOS

2017-10-01 Thread Jake Petroules
Hi all, I've recently merged some changes into qtbase that I think warrant a warning/announcement to help people understand some strange errors that might pop up in the future. The background is this: in Xcode 9, there is a new Clang builtin function called __builtin_available (C, C++) / @avai

Re: [Development] Should QFileSystemWatcher be thread-safe? (Qt 5.8.0)

2017-10-01 Thread Thiago Macieira
On Saturday, 30 September 2017 02:31:13 PDT René J. V. Bertin wrote: > > You cannot, because neither the kqueue, inotify or poll backends do that. > > Those three have no mutexes at all. You have to block the event loop of > > the > > thread they were created on. > > That all applies to multithrea