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Fix multiple close for channel (#1047)

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hiroebe 2020-01-08 12:50:57 +09:00 committed by Hajime Hoshi
parent 55bc2eaa22
commit 6ee587301c
1 changed files with 4 additions and 1 deletions
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5
internal/uidriver/mobile/ui.go
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@ -104,6 +104,7 @@ type UserInterface struct {
gbuildWidthPx int
gbuildHeightPx int
setGBuildSizeCh chan struct{}
once sync.Once
context driver.UIContext
@ -336,7 +337,9 @@ func (u *UserInterface) setGBuildSize(widthPx, heightPx int) {
u.gbuildWidthPx = widthPx
u.gbuildHeightPx = heightPx
u.sizeChanged = true
close(u.setGBuildSizeCh)
u.once.Do(func() {
close(u.setGBuildSizeCh)
})
u.m.Unlock()
}