1 files changed, 11 insertions, 2 deletions
diff --git a/src/pkg/os/exec_windows.go b/src/pkg/os/exec_windows.go
index 4aa2ade63..c4f3d4f85 100644
--- a/src/pkg/os/exec_windows.go
+++ b/src/pkg/os/exec_windows.go
@@ -42,13 +42,22 @@ func (p *Process) wait() (ps *ProcessState, err error) {
 	return &ProcessState{p.Pid, syscall.WaitStatus{ExitCode: ec}, &u}, nil
 }
 
+func terminateProcess(pid, exitcode int) error {
+	h, e := syscall.OpenProcess(syscall.PROCESS_TERMINATE, false, uint32(pid))
+	if e != nil {
+		return NewSyscallError("OpenProcess", e)
+	}
+	defer syscall.CloseHandle(h)
+	e = syscall.TerminateProcess(h, uint32(exitcode))
+	return NewSyscallError("TerminateProcess", e)
+}
+
 func (p *Process) signal(sig Signal) error {
 	if p.done() {
 		return errors.New("os: process already finished")
 	}
 	if sig == Kill {
-		e := syscall.TerminateProcess(syscall.Handle(p.handle), 1)
-		return NewSyscallError("TerminateProcess", e)
+		return terminateProcess(p.Pid, 1)
 	}
 	// TODO(rsc): Handle Interrupt too?
 	return syscall.Errno(syscall.EWINDOWS)