diff options
Diffstat (limited to 'vendor/github.com/Microsoft/hcsshim/callback.go')
-rw-r--r-- | vendor/github.com/Microsoft/hcsshim/callback.go | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/vendor/github.com/Microsoft/hcsshim/callback.go b/vendor/github.com/Microsoft/hcsshim/callback.go deleted file mode 100644 index e8c2b00c8..000000000 --- a/vendor/github.com/Microsoft/hcsshim/callback.go +++ /dev/null @@ -1,79 +0,0 @@ -package hcsshim - -import ( - "sync" - "syscall" -) - -var ( - nextCallback uintptr - callbackMap = map[uintptr]*notifcationWatcherContext{} - callbackMapLock = sync.RWMutex{} - - notificationWatcherCallback = syscall.NewCallback(notificationWatcher) - - // Notifications for HCS_SYSTEM handles - hcsNotificationSystemExited hcsNotification = 0x00000001 - hcsNotificationSystemCreateCompleted hcsNotification = 0x00000002 - hcsNotificationSystemStartCompleted hcsNotification = 0x00000003 - hcsNotificationSystemPauseCompleted hcsNotification = 0x00000004 - hcsNotificationSystemResumeCompleted hcsNotification = 0x00000005 - - // Notifications for HCS_PROCESS handles - hcsNotificationProcessExited hcsNotification = 0x00010000 - - // Common notifications - hcsNotificationInvalid hcsNotification = 0x00000000 - hcsNotificationServiceDisconnect hcsNotification = 0x01000000 -) - -type hcsNotification uint32 -type notificationChannel chan error - -type notifcationWatcherContext struct { - channels notificationChannels - handle hcsCallback -} - -type notificationChannels map[hcsNotification]notificationChannel - -func newChannels() notificationChannels { - channels := make(notificationChannels) - - channels[hcsNotificationSystemExited] = make(notificationChannel, 1) - channels[hcsNotificationSystemCreateCompleted] = make(notificationChannel, 1) - channels[hcsNotificationSystemStartCompleted] = make(notificationChannel, 1) - channels[hcsNotificationSystemPauseCompleted] = make(notificationChannel, 1) - channels[hcsNotificationSystemResumeCompleted] = make(notificationChannel, 1) - channels[hcsNotificationProcessExited] = make(notificationChannel, 1) - channels[hcsNotificationServiceDisconnect] = make(notificationChannel, 1) - return channels -} -func closeChannels(channels notificationChannels) { - close(channels[hcsNotificationSystemExited]) - close(channels[hcsNotificationSystemCreateCompleted]) - close(channels[hcsNotificationSystemStartCompleted]) - close(channels[hcsNotificationSystemPauseCompleted]) - close(channels[hcsNotificationSystemResumeCompleted]) - close(channels[hcsNotificationProcessExited]) - close(channels[hcsNotificationServiceDisconnect]) -} - -func notificationWatcher(notificationType hcsNotification, callbackNumber uintptr, notificationStatus uintptr, notificationData *uint16) uintptr { - var result error - if int32(notificationStatus) < 0 { - result = syscall.Errno(win32FromHresult(notificationStatus)) - } - - callbackMapLock.RLock() - context := callbackMap[callbackNumber] - callbackMapLock.RUnlock() - - if context == nil { - return 0 - } - - context.channels[notificationType] <- result - - return 0 -} |