// 13 december 2015 package ui // #cgo LDFLAGS: -L${SRCDIR} -lui -framework CoreFoundation -lpthread -rpath @executable_path // /* (thanks to http://jorgen.tjer.no/post/2014/05/20/dt-rpath-ld-and-at-rpath-dyld/ for the @executable_path clarifiaction */ // #include // #include // extern void _CFRunLoopSetCurrent(CFRunLoopRef); // extern pthread_t _CFMainPThread; import "C" // OS X cares very deeply if we don't run on the very first thread the OS creates // why? who knows. it's stupid and completely indefensible. let's use undocumented APIs to get around it. // apple uses them too: http://www.opensource.apple.com/source/kext_tools/kext_tools-19.2/kextd_main.c?txt // apple HAS SUGGESTED them too: http://lists.apple.com/archives/darwin-development/2002/Sep/msg00250.html // gstreamer uses them too: http://cgit.freedesktop.org/gstreamer/gst-plugins-good/tree/sys/osxvideo/osxvideosink.m func ensureMainThread() { // TODO set to nil like the apple code? C._CFRunLoopSetCurrent(C.CFRunLoopGetMain()) // TODO is this part necessary? C._CFMainPThread = C.pthread_self() }