diff options
Diffstat (limited to 'init.go')
| -rw-r--r-- | init.go | 15 |
1 files changed, 12 insertions, 3 deletions
@@ -18,7 +18,7 @@ import ( // If you must, and if the toolkit also has environment variable equivalents to these flags (for instance, GTK+), use those instead. func Go() error { runtime.LockOSThread() - if err := uiinit(main); err != nil { + if err := uiinit(); err != nil { return err } Ready <- struct{}{} @@ -37,9 +37,18 @@ var Ready = make(chan struct{}) var Stop = make(chan struct{}) // This function is a simple helper functionn that basically pushes the effect of a function call for later. This allows the selected safe Window methods to be safe. -// It's also currently used by the various dialog box functions on Windows to allow them to return instantly, rather than wait for the dialog box to finish (which both GTK+ and Mac OS X let you do). I consider this a race condition bug. TODO (also TODO document the /intended/ behavior) +// TODO make sure this acts sanely if called from uitask itself func touitask(f func()) { + done := make(chan struct{}) + defer close(done) go func() { // to avoid locking uitask itself - uitask <- f + done2 := make(chan struct{}) // make the chain uitask <- f <- uitask to avoid deadlocks + defer close(done2) + uitask <- func() { + f() + done2 <- struct{}{} + } + done <- <-done2 }() + <-done } |