x/exp/shiny: example/basic crashes on window move darwin #12268
Description
go version: go version devel +2468227 Fri Aug 21 22:32:43 2015 +0000 darwin/amd64
golang/x/exp: tip (a5b2ce41f70b6be92fbee9c4d6ef52738e35a8c9)
The following happens the moment I click the window title bar:
$ go run main.go
2015/08/22 13:02:53 sendLifecycle: StageAlive
2015/08/22 13:02:53 sendLifecycle: StageVisible
2015/08/22 13:02:53 sendLifecycle: StageFocused
fatal error: unexpected signal during runtime execution
[signal 0xb code=0x1 addr=0x10 pc=0x7fff8c38a0e9]
runtime stack:
runtime.throw(0x417a9c0, 0x2a)
/Users/jnj/src/go/src/runtime/panic.go:527 +0x90
runtime.sigpanic()
/Users/jnj/src/go/src/runtime/sigpanic_unix.go:12 +0x5a
goroutine 1 [syscall, locked to thread]:
runtime.cgocall(0x4003400, 0xc82005de10, 0xc800000000)
/Users/jnj/src/go/src/runtime/cgocall.go:120 +0x11b fp=0xc82005ddf0 sp=0xc82005ddc0
golang.org/x/exp/shiny/driver/gldriver._Cfunc_startDriver()
golang.org/x/exp/shiny/driver/gldriver/_obj/_cgo_gotypes.go:128 +0x31 fp=0xc82005de10 sp=0xc82005ddf0
golang.org/x/exp/shiny/driver/gldriver.main(0x4189c08, 0x0, 0x0)
/Users/jnj/src/golang.org/x/exp/shiny/driver/gldriver/cocoa.go:68 +0x193 fp=0xc82005de90 sp=0xc82005de10
golang.org/x/exp/shiny/driver/gldriver.Main(0x4189c08)
/Users/jnj/src/golang.org/x/exp/shiny/driver/gldriver/gldriver.go:26 +0x30 fp=0xc82005df20 sp=0xc82005de90
golang.org/x/exp/shiny/driver.main(0x4189c08)
/Users/jnj/src/golang.org/x/exp/shiny/driver/driver_darwin.go:15 +0x21 fp=0xc82005df30 sp=0xc82005df20
golang.org/x/exp/shiny/driver.Main(0x4189c08)
/Users/jnj/src/golang.org/x/exp/shiny/driver/driver.go:24 +0x21 fp=0xc82005df40 sp=0xc82005df30
main.main()
/Users/jnj/src/golang.org/x/exp/shiny/example/basic/main.go:84 +0x23 fp=0xc82005df50 sp=0xc82005df40
runtime.main()
/Users/jnj/src/go/src/runtime/proc.go:111 +0x2b0 fp=0xc82005dfa0 sp=0xc82005df50
runtime.goexit()
/Users/jnj/src/go/src/runtime/asm_amd64.s:1696 +0x1 fp=0xc82005dfa8 sp=0xc82005dfa0
goroutine 17 [chan receive, locked to thread]:
golang.org/x/exp/shiny/driver/gldriver.drawgl(0x44578a0)
/Users/jnj/src/golang.org/x/exp/shiny/driver/gldriver/cocoa.go:87 +0xd1
goroutine 5 [chan receive]:
main.main.func1(0x47a42e0, 0x4208d40)
/Users/jnj/src/golang.org/x/exp/shiny/example/basic/main.go:52 +0x65d
golang.org/x/exp/shiny/driver/gldriver.driverStarted.func1()
/Users/jnj/src/golang.org/x/exp/shiny/driver/gldriver/cocoa.go:75 +0x47
created by golang.org/x/exp/shiny/driver/gldriver.driverStarted
/Users/jnj/src/golang.org/x/exp/shiny/driver/gldriver/cocoa.go:77 +0x2b
goroutine 18 [select]:
golang.org/x/exp/shiny/driver/internal/pump.(*Pump).run(0xc820090080)
/Users/jnj/src/golang.org/x/exp/shiny/driver/internal/pump/pump.go:62 +0x4df
created by golang.org/x/exp/shiny/driver/internal/pump.Make
/Users/jnj/src/golang.org/x/exp/shiny/driver/internal/pump/pump.go:15 +0x116
goroutine 19 [runnable, locked to thread]:
golang.org/x/exp/shiny/driver/gldriver.drawLoop(0xc8200600e0, 0x44121c0)
/Users/jnj/src/golang.org/x/exp/shiny/driver/gldriver/cocoa.go:117 +0x2a6
created by golang.org/x/exp/shiny/driver/gldriver.(*screenImpl).NewWindow
/Users/jnj/src/golang.org/x/exp/shiny/driver/gldriver/screen.go:103 +0x28e
goroutine 34 [syscall, locked to thread]:
runtime.goexit()
/Users/jnj/src/go/src/runtime/asm_amd64.s:1696 +0x1
exit status 2