Update go mod hcsshim version to fix the kube-proxy issue cannot access service by self nodeip:port on windows

vendor/github.com/Microsoft/hcsshim/internal/hcs/BUILD

@@ -21,7 +21,6 @@ go_library(
     visibility = ["//vendor/github.com/Microsoft/hcsshim:__subpackages__"],
     deps = [
         "//vendor/github.com/Microsoft/go-winio:go_default_library",
-        "//vendor/github.com/Microsoft/hcsshim/internal/guestrequest:go_default_library",
         "//vendor/github.com/Microsoft/hcsshim/internal/interop:go_default_library",
         "//vendor/github.com/Microsoft/hcsshim/internal/logfields:go_default_library",
         "//vendor/github.com/Microsoft/hcsshim/internal/schema1:go_default_library",

vendor/github.com/Microsoft/hcsshim/internal/hcs/callback.go

@@ -1,10 +1,12 @@
 package hcs
 
 import (
+	"fmt"
 	"sync"
 	"syscall"
 
 	"github.com/Microsoft/hcsshim/internal/interop"
+	"github.com/Microsoft/hcsshim/internal/logfields"
 	"github.com/sirupsen/logrus"
 )
 
@@ -40,16 +42,61 @@ var (
 )
 
 type hcsNotification uint32
+
+func (hn hcsNotification) String() string {
+	switch hn {
+	case hcsNotificationSystemExited:
+		return "SystemExited"
+	case hcsNotificationSystemCreateCompleted:
+		return "SystemCreateCompleted"
+	case hcsNotificationSystemStartCompleted:
+		return "SystemStartCompleted"
+	case hcsNotificationSystemPauseCompleted:
+		return "SystemPauseCompleted"
+	case hcsNotificationSystemResumeCompleted:
+		return "SystemResumeCompleted"
+	case hcsNotificationSystemCrashReport:
+		return "SystemCrashReport"
+	case hcsNotificationSystemSiloJobCreated:
+		return "SystemSiloJobCreated"
+	case hcsNotificationSystemSaveCompleted:
+		return "SystemSaveCompleted"
+	case hcsNotificationSystemRdpEnhancedModeStateChanged:
+		return "SystemRdpEnhancedModeStateChanged"
+	case hcsNotificationSystemShutdownFailed:
+		return "SystemShutdownFailed"
+	case hcsNotificationSystemGetPropertiesCompleted:
+		return "SystemGetPropertiesCompleted"
+	case hcsNotificationSystemModifyCompleted:
+		return "SystemModifyCompleted"
+	case hcsNotificationSystemCrashInitiated:
+		return "SystemCrashInitiated"
+	case hcsNotificationSystemGuestConnectionClosed:
+		return "SystemGuestConnectionClosed"
+	case hcsNotificationProcessExited:
+		return "ProcessExited"
+	case hcsNotificationInvalid:
+		return "Invalid"
+	case hcsNotificationServiceDisconnect:
+		return "ServiceDisconnect"
+	default:
+		return fmt.Sprintf("Unknown: %d", hn)
+	}
+}
+
 type notificationChannel chan error
 
 type notifcationWatcherContext struct {
 	channels notificationChannels
 	handle   hcsCallback
+
+	systemID  string
+	processID int
 }
 
 type notificationChannels map[hcsNotification]notificationChannel
 
-func newChannels() notificationChannels {
+func newSystemChannels() notificationChannels {
 	channels := make(notificationChannels)
 
 	channels[hcsNotificationSystemExited] = make(notificationChannel, 1)
@@ -57,17 +104,14 @@ func newChannels() notificationChannels {
 	channels[hcsNotificationSystemStartCompleted] = make(notificationChannel, 1)
 	channels[hcsNotificationSystemPauseCompleted] = make(notificationChannel, 1)
 	channels[hcsNotificationSystemResumeCompleted] = make(notificationChannel, 1)
+
+	return channels
+}
+
+func newProcessChannels() notificationChannels {
+	channels := make(notificationChannels)
+
 	channels[hcsNotificationProcessExited] = make(notificationChannel, 1)
-	channels[hcsNotificationServiceDisconnect] = make(notificationChannel, 1)
-	channels[hcsNotificationSystemCrashReport] = make(notificationChannel, 1)
-	channels[hcsNotificationSystemSiloJobCreated] = make(notificationChannel, 1)
-	channels[hcsNotificationSystemSaveCompleted] = make(notificationChannel, 1)
-	channels[hcsNotificationSystemRdpEnhancedModeStateChanged] = make(notificationChannel, 1)
-	channels[hcsNotificationSystemShutdownFailed] = make(notificationChannel, 1)
-	channels[hcsNotificationSystemGetPropertiesCompleted] = make(notificationChannel, 1)
-	channels[hcsNotificationSystemModifyCompleted] = make(notificationChannel, 1)
-	channels[hcsNotificationSystemCrashInitiated] = make(notificationChannel, 1)
-	channels[hcsNotificationSystemGuestConnectionClosed] = make(notificationChannel, 1)
 
 	return channels
 }
@@ -92,12 +136,28 @@ func notificationWatcher(notificationType hcsNotification, callbackNumber uintpt
 		return 0
 	}
 
+	log := logrus.WithFields(logrus.Fields{
+		"notification-type": notificationType.String(),
+		"system-id":         context.systemID,
+	})
+	if context.processID != 0 {
+		log.Data[logfields.ProcessID] = context.processID
+	}
+	log.Debug("")
+
+	// The HCS notification system can grow overtime. We explicitly opt-in to
+	// the notifications we would like to handle, all others we simply return.
+	// This means that as it grows we don't have issues associated with new
+	// notification types the code didn't know about.
+	switch notificationType {
+	case hcsNotificationSystemExited, hcsNotificationSystemCreateCompleted, hcsNotificationSystemStartCompleted, hcsNotificationSystemPauseCompleted, hcsNotificationSystemResumeCompleted:
+	case hcsNotificationProcessExited:
+	default:
+		return 0
+	}
+
 	if channel, ok := context.channels[notificationType]; ok {
 		channel <- result
-	} else {
-		logrus.WithFields(logrus.Fields{
-			"notification-type": notificationType,
-		}).Warn("Received a callback of an unsupported type")
 	}
 
 	return 0

vendor/github.com/Microsoft/hcsshim/internal/hcs/errors.go

@@ -272,6 +272,13 @@ func IsNotSupported(err error) bool {
 		err == ErrVmcomputeUnknownMessage
 }
 
+// IsOperationInvalidState returns true when err is caused by
+// `ErrVmcomputeOperationInvalidState`.
+func IsOperationInvalidState(err error) bool {
+	err = getInnerError(err)
+	return err == ErrVmcomputeOperationInvalidState
+}
+
 func getInnerError(err error) error {
 	switch pe := err.(type) {
 	case nil:

vendor/github.com/Microsoft/hcsshim/internal/hcs/hcs.go

@@ -27,7 +27,7 @@ import (
 //sys hcsOpenProcess(computeSystem hcsSystem, pid uint32, process *hcsProcess, result **uint16) (hr error) = vmcompute.HcsOpenProcess?
 //sys hcsCloseProcess(process hcsProcess) (hr error) = vmcompute.HcsCloseProcess?
 //sys hcsTerminateProcess(process hcsProcess, result **uint16) (hr error) = vmcompute.HcsTerminateProcess?
-//sys hcsSignalProcess(process hcsProcess, options string, result **uint16) (hr error) = vmcompute.HcsTerminateProcess?
+//sys hcsSignalProcess(process hcsProcess, options string, result **uint16) (hr error) = vmcompute.HcsSignalProcess?
 //sys hcsGetProcessInfo(process hcsProcess, processInformation *hcsProcessInformation, result **uint16) (hr error) = vmcompute.HcsGetProcessInfo?
 //sys hcsGetProcessProperties(process hcsProcess, processProperties **uint16, result **uint16) (hr error) = vmcompute.HcsGetProcessProperties?
 //sys hcsModifyProcess(process hcsProcess, settings string, result **uint16) (hr error) = vmcompute.HcsModifyProcess?

vendor/github.com/Microsoft/hcsshim/internal/hcs/process.go

@@ -7,7 +7,6 @@ import (
 	"syscall"
 	"time"
 
-	"github.com/Microsoft/hcsshim/internal/guestrequest"
 	"github.com/Microsoft/hcsshim/internal/interop"
 	"github.com/Microsoft/hcsshim/internal/logfields"
 	"github.com/sirupsen/logrus"
@@ -23,6 +22,10 @@ type Process struct {
 	callbackNumber uintptr
 
 	logctx logrus.Fields
+
+	closedWaitOnce sync.Once
+	waitBlock      chan struct{}
+	waitError      error
 }
 
 func newProcess(process hcsProcess, processID int, computeSystem *System) *Process {
@@ -34,6 +37,7 @@ func newProcess(process hcsProcess, processID int, computeSystem *System) *Proce
 			logfields.ContainerID: computeSystem.ID(),
 			logfields.ProcessID:   processID,
 		},
+		waitBlock: make(chan struct{}),
 	}
 }
 
@@ -107,7 +111,11 @@ func (process *Process) logOperationEnd(operation string, err error) {
 }
 
 // Signal signals the process with `options`.
-func (process *Process) Signal(options guestrequest.SignalProcessOptions) (err error) {
+//
+// For LCOW `guestrequest.SignalProcessOptionsLCOW`.
+//
+// For WCOW `guestrequest.SignalProcessOptionsWCOW`.
+func (process *Process) Signal(options interface{}) (err error) {
 	process.handleLock.RLock()
 	defer process.handleLock.RUnlock()
 
@@ -163,33 +171,49 @@ func (process *Process) Kill() (err error) {
 	return nil
 }
 
-// Wait waits for the process to exit.
+// waitBackground waits for the process exit notification. Once received sets
+// `process.waitError` (if any) and unblocks all `Wait` and `WaitTimeout` calls.
+//
+// This MUST be called exactly once per `process.handle` but `Wait` and
+// `WaitTimeout` are safe to call multiple times.
+func (process *Process) waitBackground() {
+	process.waitError = waitForNotification(process.callbackNumber, hcsNotificationProcessExited, nil)
+	process.closedWaitOnce.Do(func() {
+		close(process.waitBlock)
+	})
+}
+
+// Wait waits for the process to exit. If the process has already exited returns
+// the pervious error (if any).
 func (process *Process) Wait() (err error) {
 	operation := "hcsshim::Process::Wait"
 	process.logOperationBegin(operation)
 	defer func() { process.logOperationEnd(operation, err) }()
 
-	err = waitForNotification(process.callbackNumber, hcsNotificationProcessExited, nil)
-	if err != nil {
-		return makeProcessError(process, operation, err, nil)
+	<-process.waitBlock
+	if process.waitError != nil {
+		return makeProcessError(process, operation, process.waitError, nil)
 	}
-
 	return nil
 }
 
-// WaitTimeout waits for the process to exit or the duration to elapse. It returns
-// false if timeout occurs.
+// WaitTimeout waits for the process to exit or the duration to elapse. If the
+// process has already exited returns the pervious error (if any). If a timeout
+// occurs returns `ErrTimeout`.
 func (process *Process) WaitTimeout(timeout time.Duration) (err error) {
 	operation := "hcssshim::Process::WaitTimeout"
 	process.logOperationBegin(operation)
 	defer func() { process.logOperationEnd(operation, err) }()
 
-	err = waitForNotification(process.callbackNumber, hcsNotificationProcessExited, &timeout)
-	if err != nil {
-		return makeProcessError(process, operation, err, nil)
+	select {
+	case <-process.waitBlock:
+		if process.waitError != nil {
+			return makeProcessError(process, operation, process.waitError, nil)
+		}
+		return nil
+	case <-time.After(timeout):
+		return makeProcessError(process, operation, ErrTimeout, nil)
 	}
-
-	return nil
 }
 
 // ResizeConsole resizes the console of the process.
@@ -276,15 +300,20 @@ func (process *Process) ExitCode() (_ int, err error) {
 
 	properties, err := process.Properties()
 	if err != nil {
-		return 0, makeProcessError(process, operation, err, nil)
+		return -1, makeProcessError(process, operation, err, nil)
 	}
 
 	if properties.Exited == false {
-		return 0, makeProcessError(process, operation, ErrInvalidProcessState, nil)
+		return -1, makeProcessError(process, operation, ErrInvalidProcessState, nil)
 	}
 
 	if properties.LastWaitResult != 0 {
-		return 0, makeProcessError(process, operation, syscall.Errno(properties.LastWaitResult), nil)
+		logrus.WithFields(logrus.Fields{
+			logfields.ContainerID: process.SystemID(),
+			logfields.ProcessID:   process.processID,
+			"wait-result":         properties.LastWaitResult,
+		}).Warn("hcsshim::Process::ExitCode - Non-zero last wait result")
+		return -1, nil
 	}
 
 	return int(properties.ExitCode), nil
@@ -397,13 +426,18 @@ func (process *Process) Close() (err error) {
 	}
 
 	process.handle = 0
+	process.closedWaitOnce.Do(func() {
+		close(process.waitBlock)
+	})
 
 	return nil
 }
 
 func (process *Process) registerCallback() error {
 	context := &notifcationWatcherContext{
-		channels: newChannels(),
+		channels:  newProcessChannels(),
+		systemID:  process.SystemID(),
+		processID: process.processID,
 	}
 
 	callbackMapLock.Lock()
@@ -450,7 +484,7 @@ func (process *Process) unregisterCallback() error {
 	closeChannels(context.channels)
 
 	callbackMapLock.Lock()
-	callbackMap[callbackNumber] = nil
+	delete(callbackMap, callbackNumber)
 	callbackMapLock.Unlock()
 
 	handle = 0

vendor/github.com/Microsoft/hcsshim/internal/hcs/system.go

@@ -43,6 +43,10 @@ type System struct {
 	callbackNumber uintptr
 
 	logctx logrus.Fields
+
+	closedWaitOnce sync.Once
+	waitBlock      chan struct{}
+	waitError      error
 }
 
 func newSystem(id string) *System {
@@ -51,6 +55,7 @@ func newSystem(id string) *System {
 		logctx: logrus.Fields{
 			logfields.ContainerID: id,
 		},
+		waitBlock: make(chan struct{}),
 	}
 }
 
@@ -121,6 +126,8 @@ func CreateComputeSystem(id string, hcsDocumentInterface interface{}) (_ *System
 		return nil, makeSystemError(computeSystem, operation, hcsDocument, err, events)
 	}
 
+	go computeSystem.waitBackground()
+
 	return computeSystem, nil
 }
 
@@ -153,6 +160,7 @@ func OpenComputeSystem(id string) (_ *System, err error) {
 	if err = computeSystem.registerCallback(); err != nil {
 		return nil, makeSystemError(computeSystem, operation, "", err, nil)
 	}
+	go computeSystem.waitBackground()
 
 	return computeSystem, nil
 }
@@ -280,7 +288,7 @@ func (computeSystem *System) Shutdown() (err error) {
 	operation := "hcsshim::ComputeSystem::Shutdown"
 	computeSystem.logOperationBegin(operation)
 	defer func() {
-		if IsAlreadyStopped(err) {
+		if IsAlreadyClosed(err) || IsAlreadyStopped(err) || IsPending(err) {
 			computeSystem.logOperationEnd(operation, nil)
 		} else {
 			computeSystem.logOperationEnd(operation, err)
@@ -312,7 +320,7 @@ func (computeSystem *System) Terminate() (err error) {
 	operation := "hcsshim::ComputeSystem::Terminate"
 	computeSystem.logOperationBegin(operation)
 	defer func() {
-		if IsPending(err) {
+		if IsAlreadyClosed(err) || IsAlreadyStopped(err) || IsPending(err) {
 			computeSystem.logOperationEnd(operation, nil)
 		} else {
 			computeSystem.logOperationEnd(operation, err)
@@ -335,48 +343,67 @@ func (computeSystem *System) Terminate() (err error) {
 	return nil
 }
 
-// Wait synchronously waits for the compute system to shutdown or terminate.
+// waitBackground waits for the compute system exit notification. Once received
+// sets `computeSystem.waitError` (if any) and unblocks all `Wait`,
+// `WaitExpectedError`, and `WaitTimeout` calls.
+//
+// This MUST be called exactly once per `computeSystem.handle` but `Wait`,
+// `WaitExpectedError`, and `WaitTimeout` are safe to call multiple times.
+func (computeSystem *System) waitBackground() {
+	computeSystem.waitError = waitForNotification(computeSystem.callbackNumber, hcsNotificationSystemExited, nil)
+	computeSystem.closedWaitOnce.Do(func() {
+		close(computeSystem.waitBlock)
+	})
+}
+
+// Wait synchronously waits for the compute system to shutdown or terminate. If
+// the compute system has already exited returns the previous error (if any).
 func (computeSystem *System) Wait() (err error) {
 	operation := "hcsshim::ComputeSystem::Wait"
 	computeSystem.logOperationBegin(operation)
 	defer func() { computeSystem.logOperationEnd(operation, err) }()
 
-	err = waitForNotification(computeSystem.callbackNumber, hcsNotificationSystemExited, nil)
-	if err != nil {
-		return makeSystemError(computeSystem, "Wait", "", err, nil)
+	<-computeSystem.waitBlock
+	if computeSystem.waitError != nil {
+		return makeSystemError(computeSystem, "Wait", "", computeSystem.waitError, nil)
 	}
 
 	return nil
 }
 
 // WaitExpectedError synchronously waits for the compute system to shutdown or
-// terminate, and ignores the passed error if it occurs.
+// terminate and returns the error (if any) as long as it does not match
+// `expected`. If the compute system has already exited returns the previous
+// error (if any) as long as it does not match `expected`.
 func (computeSystem *System) WaitExpectedError(expected error) (err error) {
 	operation := "hcsshim::ComputeSystem::WaitExpectedError"
 	computeSystem.logOperationBegin(operation)
 	defer func() { computeSystem.logOperationEnd(operation, err) }()
 
-	err = waitForNotification(computeSystem.callbackNumber, hcsNotificationSystemExited, nil)
-	if err != nil && getInnerError(err) != expected {
-		return makeSystemError(computeSystem, "WaitExpectedError", "", err, nil)
+	<-computeSystem.waitBlock
+	if computeSystem.waitError != nil && getInnerError(computeSystem.waitError) != expected {
+		return makeSystemError(computeSystem, "WaitExpectedError", "", computeSystem.waitError, nil)
 	}
-
 	return nil
 }
 
-// WaitTimeout synchronously waits for the compute system to terminate or the duration to elapse.
-// If the timeout expires, IsTimeout(err) == true
+// WaitTimeout synchronously waits for the compute system to terminate or the
+// duration to elapse. If the timeout expires, `IsTimeout(err) == true`. If
+// the compute system has already exited returns the previous error (if any).
 func (computeSystem *System) WaitTimeout(timeout time.Duration) (err error) {
 	operation := "hcsshim::ComputeSystem::WaitTimeout"
 	computeSystem.logOperationBegin(operation)
 	defer func() { computeSystem.logOperationEnd(operation, err) }()
 
-	err = waitForNotification(computeSystem.callbackNumber, hcsNotificationSystemExited, &timeout)
-	if err != nil {
-		return makeSystemError(computeSystem, "WaitTimeout", "", err, nil)
+	select {
+	case <-computeSystem.waitBlock:
+		if computeSystem.waitError != nil {
+			return makeSystemError(computeSystem, "WaitTimeout", "", computeSystem.waitError, nil)
+		}
+		return nil
+	case <-time.After(timeout):
+		return makeSystemError(computeSystem, "WaitTimeout", "", ErrTimeout, nil)
 	}
-
-	return nil
 }
 
 func (computeSystem *System) Properties(types ...schema1.PropertyType) (_ *schema1.ContainerProperties, err error) {
@@ -387,18 +414,19 @@ func (computeSystem *System) Properties(types ...schema1.PropertyType) (_ *schem
 	computeSystem.logOperationBegin(operation)
 	defer func() { computeSystem.logOperationEnd(operation, err) }()
 
-	queryj, err := json.Marshal(schema1.PropertyQuery{types})
+	queryBytes, err := json.Marshal(schema1.PropertyQuery{PropertyTypes: types})
 	if err != nil {
 		return nil, makeSystemError(computeSystem, "Properties", "", err, nil)
 	}
 
+	queryString := string(queryBytes)
 	logrus.WithFields(computeSystem.logctx).
-		WithField(logfields.JSON, queryj).
+		WithField(logfields.JSON, queryString).
 		Debug("HCS ComputeSystem Properties Query")
 
 	var resultp, propertiesp *uint16
 	syscallWatcher(computeSystem.logctx, func() {
-		err = hcsGetComputeSystemProperties(computeSystem.handle, string(queryj), &propertiesp, &resultp)
+		err = hcsGetComputeSystemProperties(computeSystem.handle, string(queryString), &propertiesp, &resultp)
 	})
 	events := processHcsResult(resultp)
 	if err != nil {
@@ -519,6 +547,7 @@ func (computeSystem *System) CreateProcess(c interface{}) (_ *Process, err error
 	if err = process.registerCallback(); err != nil {
 		return nil, makeSystemError(computeSystem, "CreateProcess", "", err, nil)
 	}
+	go process.waitBackground()
 
 	return process, nil
 }
@@ -557,6 +586,7 @@ func (computeSystem *System) OpenProcess(pid int) (_ *Process, err error) {
 	if err = process.registerCallback(); err != nil {
 		return nil, makeSystemError(computeSystem, "OpenProcess", "", err, nil)
 	}
+	go process.waitBackground()
 
 	return process, nil
 }
@@ -587,13 +617,17 @@ func (computeSystem *System) Close() (err error) {
 	}
 
 	computeSystem.handle = 0
+	computeSystem.closedWaitOnce.Do(func() {
+		close(computeSystem.waitBlock)
+	})
 
 	return nil
 }
 
 func (computeSystem *System) registerCallback() error {
 	context := &notifcationWatcherContext{
-		channels: newChannels(),
+		channels: newSystemChannels(),
+		systemID: computeSystem.id,
 	}
 
 	callbackMapLock.Lock()
@@ -640,7 +674,7 @@ func (computeSystem *System) unregisterCallback() error {
 	closeChannels(context.channels)
 
 	callbackMapLock.Lock()
-	callbackMap[callbackNumber] = nil
+	delete(callbackMap, callbackNumber)
 	callbackMapLock.Unlock()
 
 	handle = 0

vendor/github.com/Microsoft/hcsshim/internal/hcs/waithelper.go

@@ -17,6 +17,11 @@ func processAsyncHcsResult(err error, resultp *uint16, callbackNumber uintptr, e
 
 func waitForNotification(callbackNumber uintptr, expectedNotification hcsNotification, timeout *time.Duration) error {
 	callbackMapLock.RLock()
+	if _, ok := callbackMap[callbackNumber]; !ok {
+		callbackMapLock.RUnlock()
+		logrus.Errorf("failed to waitForNotification: callbackNumber %d does not exist in callbackMap", callbackNumber)
+		return ErrHandleClose
+	}
 	channels := callbackMap[callbackNumber].channels
 	callbackMapLock.RUnlock()
 

vendor/github.com/Microsoft/hcsshim/internal/hcs/zsyscall_windows.go

@@ -56,13 +56,13 @@ var (
 	procHcsOpenProcess                     = modvmcompute.NewProc("HcsOpenProcess")
 	procHcsCloseProcess                    = modvmcompute.NewProc("HcsCloseProcess")
 	procHcsTerminateProcess                = modvmcompute.NewProc("HcsTerminateProcess")
-
-	procHcsGetProcessInfo            = modvmcompute.NewProc("HcsGetProcessInfo")
-	procHcsGetProcessProperties      = modvmcompute.NewProc("HcsGetProcessProperties")
-	procHcsModifyProcess             = modvmcompute.NewProc("HcsModifyProcess")
-	procHcsGetServiceProperties      = modvmcompute.NewProc("HcsGetServiceProperties")
-	procHcsRegisterProcessCallback   = modvmcompute.NewProc("HcsRegisterProcessCallback")
-	procHcsUnregisterProcessCallback = modvmcompute.NewProc("HcsUnregisterProcessCallback")
+	procHcsSignalProcess                   = modvmcompute.NewProc("HcsSignalProcess")
+	procHcsGetProcessInfo                  = modvmcompute.NewProc("HcsGetProcessInfo")
+	procHcsGetProcessProperties            = modvmcompute.NewProc("HcsGetProcessProperties")
+	procHcsModifyProcess                   = modvmcompute.NewProc("HcsModifyProcess")
+	procHcsGetServiceProperties            = modvmcompute.NewProc("HcsGetServiceProperties")
+	procHcsRegisterProcessCallback         = modvmcompute.NewProc("HcsRegisterProcessCallback")
+	procHcsUnregisterProcessCallback       = modvmcompute.NewProc("HcsUnregisterProcessCallback")
 )
 
 func hcsEnumerateComputeSystems(query string, computeSystems **uint16, result **uint16) (hr error) {
@@ -417,10 +417,10 @@ func hcsSignalProcess(process hcsProcess, options string, result **uint16) (hr e
 }
 
 func _hcsSignalProcess(process hcsProcess, options *uint16, result **uint16) (hr error) {
-	if hr = procHcsTerminateProcess.Find(); hr != nil {
+	if hr = procHcsSignalProcess.Find(); hr != nil {
 		return
 	}
-	r0, _, _ := syscall.Syscall(procHcsTerminateProcess.Addr(), 3, uintptr(process), uintptr(unsafe.Pointer(options)), uintptr(unsafe.Pointer(result)))
+	r0, _, _ := syscall.Syscall(procHcsSignalProcess.Addr(), 3, uintptr(process), uintptr(unsafe.Pointer(options)), uintptr(unsafe.Pointer(result)))
 	if int32(r0) < 0 {
 		if r0&0x1fff0000 == 0x00070000 {
 			r0 &= 0xffff