func TestSandboxCreateTwice(t *testing.T) {
defer SetupTestOSContext(t)()
key, err := newKey(t)
if err != nil {
t.Fatalf("Failed to obtain a key: %v", err)
}
_, err = NewSandbox(key, true)
if err != nil {
t.Fatalf("Failed to create a new sandbox: %v", err)
}
runtime.LockOSThread()
// Create another sandbox with the same key to see if we handle it
// gracefully.
s, err := NewSandbox(key, true)
if err != nil {
t.Fatalf("Failed to create a new sandbox: %v", err)
}
runtime.LockOSThread()
err = s.Destroy()
if err != nil {
t.Fatal(err)
}
GC()
verifyCleanup(t, s, false)
}
func TestRef(t *testing.T) {
const N = 10
runtime.LockOSThread()
wg := sync.WaitGroup{}
wg.Add(N)
ch := make(chan uintptr)
for i := 0; i < N; i++ {
go func() {
runtime.LockOSThread()
wg.Done()
ch <- Ref()
wg.Wait()
}()
}
wg.Wait()
refs := []uintptr{Ref()}
for i := 0; i < N; i++ {
chref := <-ch
for _, ref := range refs {
if chref == ref {
t.Fatalf("found duplicated ref: %d == %d", chref, ref)
}
}
refs = append(refs, chref)
}
}
func Init() {
runtime.LockOSThread()
err := glfw.Init()
if err != nil {
panic(fmt.Sprintf("glfw.Init() fails: %v", err))
}
glfw.WindowHint(glfw.Visible, glfw.False)
glfw.WindowHint(glfw.Resizable, glfw.False)
// As start, create an window with temporary size to create OpenGL context thread.
window, err := glfw.CreateWindow(16, 16, "", nil, nil)
if err != nil {
panic(err)
}
u := &userInterface{
window: window,
funcs: make(chan func()),
}
go func() {
runtime.LockOSThread()
u.window.MakeContextCurrent()
glfw.SwapInterval(1)
for f := range u.funcs {
f()
}
}()
currentUI = u
}
func TestRef(t *testing.T) {
const N = 10
runtime.LockOSThread()
exit := sync.WaitGroup{}
exit.Add(1)
defer exit.Done()
wg := sync.WaitGroup{}
wg.Add(N)
ch := make(chan refPair)
for i := 0; i < N; i++ {
go func() {
runtime.LockOSThread()
wg.Done()
ch <- refPair{Ref(), Ref()}
exit.Wait()
}()
}
wg.Wait()
refs := make(map[uintptr]bool)
for i := 0; i < N; i++ {
pair := <-ch
if pair.ref1 != pair.ref2 {
t.Fatalf("found inconsistent ref: %d != %d", pair.ref1, pair.ref2)
}
if refs[pair.ref1] {
t.Fatalf("found duplicated ref: %d", pair.ref1)
}
refs[pair.ref1] = true
}
}
func TestEndpointDeleteWithActiveContainer(t *testing.T) {
if !netutils.IsRunningInContainer() {
defer netutils.SetupTestNetNS(t)()
}
n, err := createTestNetwork(bridgeNetType, "testnetwork", options.Generic{
netlabel.GenericData: options.Generic{
"BridgeName": "testnetwork",
"AllowNonDefaultBridge": true,
},
})
if err != nil {
t.Fatal(err)
}
defer func() {
if err := n.Delete(); err != nil {
t.Fatal(err)
}
}()
ep, err := n.CreateEndpoint("ep1")
if err != nil {
t.Fatal(err)
}
defer func() {
err = ep.Delete()
if err != nil {
t.Fatal(err)
}
}()
defer controller.LeaveAll(containerID)
err = ep.Join(containerID,
libnetwork.JoinOptionHostname("test"),
libnetwork.JoinOptionDomainname("docker.io"),
libnetwork.JoinOptionExtraHost("web", "192.168.0.1"))
runtime.LockOSThread()
if err != nil {
t.Fatal(err)
}
defer func() {
err = ep.Leave(containerID)
runtime.LockOSThread()
if err != nil {
t.Fatal(err)
}
}()
err = ep.Delete()
if err == nil {
t.Fatal("Expected to fail. But instead succeeded")
}
if _, ok := err.(*libnetwork.ActiveContainerError); !ok {
t.Fatalf("Did not fail with expected error. Actual error: %v", err)
}
}
func TestEndpointMultipleJoins(t *testing.T) {
if !netutils.IsRunningInContainer() {
defer netutils.SetupTestNetNS(t)()
}
n, err := createTestNetwork(bridgeNetType, "testnetwork", options.Generic{
netlabel.GenericData: options.Generic{
"BridgeName": "testnetwork",
"AllowNonDefaultBridge": true,
},
})
if err != nil {
t.Fatal(err)
}
defer func() {
if err := n.Delete(); err != nil {
t.Fatal(err)
}
}()
ep, err := n.CreateEndpoint("ep1")
if err != nil {
t.Fatal(err)
}
defer func() {
if err := ep.Delete(); err != nil {
t.Fatal(err)
}
}()
defer controller.LeaveAll(containerID)
err = ep.Join(containerID,
libnetwork.JoinOptionHostname("test"),
libnetwork.JoinOptionDomainname("docker.io"),
libnetwork.JoinOptionExtraHost("web", "192.168.0.1"))
runtime.LockOSThread()
if err != nil {
t.Fatal(err)
}
defer func() {
err = ep.Leave(containerID)
runtime.LockOSThread()
if err != nil {
t.Fatal(err)
}
}()
err = ep.Join("container2")
if err == nil {
t.Fatal("Expected to fail multiple joins for the same endpoint")
}
if _, ok := err.(libnetwork.ErrInvalidJoin); !ok {
t.Fatalf("Failed for unexpected reason: %v", err)
}
}
//export GoRun
func GoRun() {
runtime.LockOSThread()
c := make(chan bool)
go func() {
runtime.LockOSThread()
C.setVal(2)
c <- true
}()
<-c
}
func TestSandboxCreate(t *testing.T) {
defer SetupTestOSContext(t)()
key, err := newKey(t)
if err != nil {
t.Fatalf("Failed to obtain a key: %v", err)
}
s, err := NewSandbox(key, true)
if err != nil {
t.Fatalf("Failed to create a new sandbox: %v", err)
}
runtime.LockOSThread()
if s.Key() != key {
t.Fatalf("s.Key() returned %s. Expected %s", s.Key(), key)
}
tbox, err := newInfo(t)
if err != nil {
t.Fatalf("Failed to generate new sandbox info: %v", err)
}
for _, i := range tbox.Info().Interfaces() {
err = s.AddInterface(i.SrcName(), i.DstName(),
tbox.InterfaceOptions().Bridge(i.Bridge()),
tbox.InterfaceOptions().Address(i.Address()),
tbox.InterfaceOptions().AddressIPv6(i.AddressIPv6()))
if err != nil {
t.Fatalf("Failed to add interfaces to sandbox: %v", err)
}
runtime.LockOSThread()
}
err = s.SetGateway(tbox.Info().Gateway())
if err != nil {
t.Fatalf("Failed to set gateway to sandbox: %v", err)
}
runtime.LockOSThread()
err = s.SetGatewayIPv6(tbox.Info().GatewayIPv6())
if err != nil {
t.Fatalf("Failed to set ipv6 gateway to sandbox: %v", err)
}
runtime.LockOSThread()
verifySandbox(t, s, []string{"0", "1", "2"})
runtime.LockOSThread()
err = s.Destroy()
if err != nil {
t.Fatal(err)
}
verifyCleanup(t, s, true)
}
func TestLeaveAll(t *testing.T) {
if !testutils.IsRunningInContainer() {
defer testutils.SetupTestOSContext(t)()
}
n, err := createTestNetwork(bridgeNetType, "testnetwork", options.Generic{
netlabel.GenericData: options.Generic{
"BridgeName": "testnetwork",
},
}, nil, nil)
if err != nil {
t.Fatal(err)
}
defer func() {
// If this goes through, it means cnt.Delete() effectively detached from all the endpoints
if err := n.Delete(); err != nil {
t.Fatal(err)
}
}()
ep1, err := n.CreateEndpoint("ep1")
if err != nil {
t.Fatal(err)
}
ep2, err := n.CreateEndpoint("ep2")
if err != nil {
t.Fatal(err)
}
cnt, err := controller.NewSandbox("leaveall")
if err != nil {
t.Fatal(err)
}
err = ep1.Join(cnt)
if err != nil {
t.Fatalf("Failed to join ep1: %v", err)
}
runtime.LockOSThread()
err = ep2.Join(cnt)
if err != nil {
t.Fatalf("Failed to join ep2: %v", err)
}
runtime.LockOSThread()
err = cnt.Delete()
if err != nil {
t.Fatal(err)
}
}
func CgoSignalDeadlock() {
runtime.GOMAXPROCS(100)
ping := make(chan bool)
go func() {
for i := 0; ; i++ {
runtime.Gosched()
select {
case done := <-ping:
if done {
ping <- true
return
}
ping <- true
default:
}
func() {
defer func() {
recover()
}()
var s *string
*s = ""
}()
}
}()
time.Sleep(time.Millisecond)
for i := 0; i < 64; i++ {
go func() {
runtime.LockOSThread()
select {}
}()
go func() {
runtime.LockOSThread()
select {}
}()
time.Sleep(time.Millisecond)
ping <- false
select {
case <-ping:
case <-time.After(time.Second):
fmt.Printf("HANG\n")
return
}
}
ping <- true
select {
case <-ping:
case <-time.After(time.Second):
fmt.Printf("HANG\n")
return
}
fmt.Printf("OK\n")
}
func main() {
runtime.LockOSThread()
// initialize glfw
if err := glfw.Init(); err != nil {
log.Fatalln("Failed to initialize GLFW: ", err)
}
defer glfw.Terminate()
// create window
window, err := glfw.CreateWindow(1280, 720, os.Args[0], nil, nil)
if err != nil {
log.Fatal(err)
}
window.SetFramebufferSizeCallback(onResize)
window.MakeContextCurrent()
if err := gl.Init(); err != nil {
log.Fatal(err)
}
// set up opengl context
onResize(window, 600, 600)
// player = createPlayer()
// addBall()
// set up physics
game = engine.NewGame()
game.Init()
game.ReadLevelFromFile("level.json")
//Init Controlls I think
// glfw.KeyCallback(window)
window.SetKeyCallback(keyCallback)
runtime.LockOSThread()
glfw.SwapInterval(1)
ticker := time.NewTicker(time.Second / 60)
for !window.ShouldClose() {
game.Update(1.0 / 60.0)
draw()
window.SwapBuffers()
glfw.PollEvents()
<-ticker.C // wait up to 1/60th of a second
}
}
func init() {
if DoItTheRightWay {
runtime.LockOSThread()
}
C.initMacDraw()
if !DoItTheRightWay {
go func() {
runtime.LockOSThread()
<-appChanStart
C.NSAppRun()
appChanFinish <- true
}()
}
}
func main() {
runtime.LockOSThread()
C.setVal(1)
c := make(chan bool)
go func() {
runtime.LockOSThread()
C.setVal(2)
c <- true
}()
<-c
if v := C.getVal(); v != 2 {
panic(v)
}
}
func Clone(url string, path string, options *CloneOptions) (*Repository, error) {
repo := new(Repository)
curl := C.CString(url)
defer C.free(unsafe.Pointer(curl))
cpath := C.CString(path)
defer C.free(unsafe.Pointer(cpath))
var copts C.git_clone_options
populateCloneOptions(&copts, options)
defer freeCheckoutOpts(&copts.checkout_opts)
if len(options.CheckoutBranch) != 0 {
copts.checkout_branch = C.CString(options.CheckoutBranch)
defer C.free(unsafe.Pointer(copts.checkout_branch))
}
runtime.LockOSThread()
defer runtime.UnlockOSThread()
ret := C.git_clone(&repo.ptr, curl, cpath, &copts)
if ret < 0 {
return nil, MakeGitError(ret)
}
runtime.SetFinalizer(repo, (*Repository).Free)
return repo, nil
}
func (v *Reference) SetSymbolicTarget(target string, sig *Signature, msg string) (*Reference, error) {
var ptr *C.git_reference
ctarget := C.CString(target)
defer C.free(unsafe.Pointer(ctarget))
runtime.LockOSThread()
defer runtime.UnlockOSThread()
csig := sig.toC()
defer C.free(unsafe.Pointer(csig))
var cmsg *C.char
if msg == "" {
cmsg = nil
} else {
cmsg = C.CString(msg)
defer C.free(unsafe.Pointer(cmsg))
}
ret := C.git_reference_symbolic_set_target(&ptr, v.ptr, ctarget, csig, cmsg)
if ret < 0 {
return nil, MakeGitError(ret)
}
return newReferenceFromC(ptr), nil
}
func lolwut() {
runtime.LockOSThread()
var stream unsafe.Pointer
err := C.Pa_OpenDefaultStream(&stream,
0, // no input
1, // mono
C.paFloat32, // 32-bit floating point
48000,
C.paFramesPerBufferUnspecified,
nil,
nil)
if err != C.paNoError {
panic(C.GoString(C.Pa_GetErrorText(err)))
}
err = C.Pa_StartStream(stream)
if err != C.paNoError {
panic(C.GoString(C.Pa_GetErrorText(err)))
}
for {
err := C.Pa_WriteStream(stream, unsafe.Pointer(&genSine(440)[0]), 48000)
if err != C.paNoError {
panic(C.GoString(C.Pa_GetErrorText(err)))
}
}
}
func Crash() {
runtime.LockOSThread()
test("main")
testInNewThread("new-thread")
testInNewThread("second-new-thread")
test("main-again")
}
func (b *Branch) Move(newBranchName string, force bool, signature *Signature, msg string) (*Branch, error) {
var ptr *C.git_reference
cNewBranchName := C.CString(newBranchName)
cForce := cbool(force)
cSignature, err := signature.toC()
if err != nil {
return nil, err
}
defer C.git_signature_free(cSignature)
var cmsg *C.char
if msg == "" {
cmsg = nil
} else {
cmsg = C.CString(msg)
defer C.free(unsafe.Pointer(cmsg))
}
runtime.LockOSThread()
defer runtime.UnlockOSThread()
ret := C.git_branch_move(&ptr, b.Reference.ptr, cNewBranchName, cForce, cSignature, cmsg)
if ret < 0 {
return nil, MakeGitError(ret)
}
return newReferenceFromC(ptr, b.repo).Branch(), nil
}
func (repo *Repository) CreateBranch(branchName string, target *Commit, force bool, signature *Signature, msg string) (*Branch, error) {
ref := new(Reference)
cBranchName := C.CString(branchName)
cForce := cbool(force)
cSignature, err := signature.toC()
if err != nil {
return nil, err
}
defer C.git_signature_free(cSignature)
var cmsg *C.char
if msg == "" {
cmsg = nil
} else {
cmsg = C.CString(msg)
defer C.free(unsafe.Pointer(cmsg))
}
runtime.LockOSThread()
defer runtime.UnlockOSThread()
ret := C.git_branch_create(&ref.ptr, repo.ptr, cBranchName, target.cast_ptr, cForce, cSignature, cmsg)
if ret < 0 {
return nil, MakeGitError(ret)
}
return ref.Branch(), nil
}
// Locks to an OS thread and initializes CUDA for that thread.
func Init(gpu int) {
if cudaCtx != 0 {
return // needed for tests
}
runtime.LockOSThread()
tryCuInit()
dev := cu.Device(gpu)
cudaCtx = cu.CtxCreate(cu.CTX_SCHED_YIELD, dev)
cudaCtx.SetCurrent()
M, m := dev.ComputeCapability()
cudaCC = 10*M + m
Version = cu.Version()
DevName = dev.Name()
TotalMem = dev.TotalMem()
GPUInfo = fmt.Sprint("CUDA ", Version, " ", DevName, "(", (TotalMem)/(1024*1024), "MB) ", "cc", M, ".", m)
if M < 2 {
log.Fatalln("GPU has insufficient compute capability, need 2.0 or higher.")
}
if Synchronous {
log.Println("DEBUG: synchronized CUDA calls")
}
// test PTX load so that we can catch CUDA_ERROR_NO_BINARY_FOR_GPU early
fatbinLoad(madd2_map, "madd2")
}
func TestView_Wait(t *testing.T) {
runtime.LockOSThread()
setup()
defer teardown()
view := ctx.NewView()
defer view.Close()
loaded := false
mux.HandleFunc("/abc", func(w http.ResponseWriter, _ *http.Request) {
w.Write([]byte("abc"))
loaded = true
})
url := server.URL + "/abc"
view.Open(server.URL + "/abc")
view.Wait()
if gotURI := view.URI(); url != gotURI {
t.Errorf("want URI %q, got %q", url, gotURI)
}
if !loaded {
t.Error("!loaded")
}
}
func (v *Reference) Rename(name string, force bool, sig *Signature, msg string) (*Reference, error) {
var ptr *C.git_reference
cname := C.CString(name)
defer C.free(unsafe.Pointer(cname))
csig := sig.toC()
defer C.free(unsafe.Pointer(csig))
var cmsg *C.char
if msg == "" {
cmsg = nil
} else {
cmsg = C.CString(msg)
defer C.free(unsafe.Pointer(cmsg))
}
runtime.LockOSThread()
defer runtime.UnlockOSThread()
ret := C.git_reference_rename(&ptr, v.ptr, cname, cbool(force), csig, cmsg)
if ret < 0 {
return nil, MakeGitError(ret)
}
return newReferenceFromC(ptr), nil
}
func checkSandbox(t *testing.T, info libnetwork.EndpointInfo) {
origns, err := netns.Get()
if err != nil {
t.Fatalf("Could not get the current netns: %v", err)
}
defer origns.Close()
key := info.Sandbox().Key()
f, err := os.OpenFile(key, os.O_RDONLY, 0)
if err != nil {
t.Fatalf("Failed to open network namespace path %q: %v", key, err)
}
defer f.Close()
runtime.LockOSThread()
defer runtime.UnlockOSThread()
nsFD := f.Fd()
if err = netns.Set(netns.NsHandle(nsFD)); err != nil {
t.Fatalf("Setting to the namespace pointed to by the sandbox %s failed: %v", key, err)
}
defer netns.Set(origns)
_, err = netlink.LinkByName("eth0")
if err != nil {
t.Fatalf("Could not find the interface eth0 inside the sandbox: %v", err)
}
_, err = netlink.LinkByName("eth1")
if err != nil {
t.Fatalf("Could not find the interface eth1 inside the sandbox: %v", err)
}
}
func main() {
runtime.LockOSThread()
if srpc.Enabled() {
go srpc.ServeRuntime()
}
w, err := av.Init(av.SubsystemVideo, 512, 512)
if err != nil {
log.Exitf("av.Init: %s", err)
}
go quitter(w.QuitChan())
var m SpacewarPDP1
m.Init(w)
m.PC = 4
f := bytes.NewBuffer(strings.Bytes(spacewarCode))
if err = m.Load(f); err != nil {
log.Exitf("loading %s: %s", "spacewar.lst", err)
}
for err == nil {
//fmt.Printf("step PC=%06o ", m.PC);
//fmt.Printf("inst=%06o AC=%06o IO=%06o OV=%o\n",
// m.Mem[m.PC], m.AC, m.IO, m.OV);
err = m.Step()
}
log.Exitf("step: %s", err)
}
func verifySandbox(t *testing.T, s Sandbox, ifaceSuffixes []string) {
_, ok := s.(*networkNamespace)
if !ok {
t.Fatalf("The sandox interface returned is not of type networkNamespace")
}
origns, err := netns.Get()
if err != nil {
t.Fatalf("Could not get the current netns: %v", err)
}
defer origns.Close()
f, err := os.OpenFile(s.Key(), os.O_RDONLY, 0)
if err != nil {
t.Fatalf("Failed top open network namespace path %q: %v", s.Key(), err)
}
defer f.Close()
runtime.LockOSThread()
defer runtime.UnlockOSThread()
nsFD := f.Fd()
if err = netns.Set(netns.NsHandle(nsFD)); err != nil {
t.Fatalf("Setting to the namespace pointed to by the sandbox %s failed: %v", s.Key(), err)
}
defer netns.Set(origns)
for _, suffix := range ifaceSuffixes {
_, err = netlink.LinkByName(sboxIfaceName + suffix)
if err != nil {
t.Fatalf("Could not find the interface %s inside the sandbox: %v",
sboxIfaceName+suffix, err)
}
}
}
func TestGetNewSetDelete(t *testing.T) {
runtime.LockOSThread()
defer runtime.UnlockOSThread()
origns, err := Get()
if err != nil {
t.Fatal(err)
}
newns, err := New()
if err != nil {
t.Fatal(err)
}
if origns.Equal(newns) {
t.Fatal("New ns failed")
}
if err := Set(origns); err != nil {
t.Fatal(err)
}
newns.Close()
if newns.IsOpen() {
t.Fatal("newns still open after close", newns)
}
ns, err := Get()
if err != nil {
t.Fatal(err)
}
if !ns.Equal(origns) {
t.Fatal("Reset ns failed", origns, newns, ns)
}
}
func parallelLeave(t *testing.T, rc libnetwork.Sandbox, ep libnetwork.Endpoint, thrNumber int) {
debugf("L%d.", thrNumber)
var err error
cid := fmt.Sprintf("%drace", thrNumber)
sb := sboxes[thrNumber-1]
if thrNumber == first {
err = ep.Leave(sb)
} else {
err = sb.Delete()
// re add sandbox
defer func() {
if err == nil {
var e error
if sboxes[thrNumber-1], e = controller.NewSandbox(cid); e != nil {
t.Fatalf("Failed to recreate sandbox %s: %v", cid, e)
}
}
}()
}
runtime.LockOSThread()
if err != nil {
if _, ok := err.(types.ForbiddenError); !ok {
t.Fatalf("thread %d: %v", thrNumber, err)
}
debugf("LE%d(%v).", thrNumber, err)
}
debugf("LD%d.", thrNumber)
}
func main(f func(App)) {
runtime.LockOSThread()
C.createWindow()
// TODO: send lifecycle events when e.g. the X11 window is iconified or moved off-screen.
sendLifecycle(lifecycle.StageFocused)
donec := make(chan struct{})
go func() {
f(app{})
close(donec)
}()
// TODO: can we get the actual vsync signal?
ticker := time.NewTicker(time.Second / 60)
defer ticker.Stop()
tc := ticker.C
for {
select {
case <-donec:
return
case <-gl.WorkAvailable:
gl.DoWork()
case <-endPaint:
C.swapBuffers()
tc = ticker.C
case <-tc:
tc = nil
eventsIn <- paint.Event{}
}
C.processEvents()
}
}
func scannerDaemon(rootDirectoryName string, cacheDirectoryName string,
configuration *Configuration, fsChannel chan<- *FileSystem,
logger *log.Logger) {
runtime.LockOSThread()
loweredPriority := false
var oldFS FileSystem
for {
fs, err := scanFileSystem(rootDirectoryName, cacheDirectoryName,
configuration, &oldFS)
if err != nil {
if err.Error() == "DisableScan" {
disableScanAcknowledge <- true
<-disableScanAcknowledge
continue
}
logger.Printf("Error scanning: %s\n", err)
} else {
oldFS.InodeTable = fs.InodeTable
oldFS.DirectoryInode = fs.DirectoryInode
fsChannel <- fs
runtime.GC()
if !loweredPriority {
syscall.Setpriority(syscall.PRIO_PROCESS, 0, 15)
loweredPriority = true
}
}
}
}
func init() {
gtk.Init(nil)
go func() {
runtime.LockOSThread()
gtk.Main()
}()
}