Imported Upstream version 58upstream/58

1 files changed, 11 insertions, 1 deletions

diff --git a/src/pkg/os/exec_windows.go b/src/pkg/os/exec_windows.go
index ae8ffeab2..bac33b908 100644
--- a/src/pkg/os/exec_windows.go
+++ b/src/pkg/os/exec_windows.go
@@ -20,13 +20,23 @@ func (p *Process) Wait(options int) (w *Waitmsg, err Error) {
 		return nil, ErrorString("os: unexpected result from WaitForSingleObject")
 	}
 	var ec uint32
-	e = syscall.GetExitCodeProcess(uint32(p.handle), &ec)
+	e = syscall.GetExitCodeProcess(int32(p.handle), &ec)
 	if e != 0 {
 		return nil, NewSyscallError("GetExitCodeProcess", e)
 	}
 	return &Waitmsg{p.Pid, syscall.WaitStatus{s, ec}, new(syscall.Rusage)}, nil
 }
 
+// Signal sends a signal to the Process.
+func (p *Process) Signal(sig Signal) Error {
+	switch sig.(UnixSignal) {
+	case SIGKILL:
+		e := syscall.TerminateProcess(int32(p.handle), 1)
+		return NewSyscallError("TerminateProcess", e)
+	}
+	return Errno(syscall.EWINDOWS)
+}
+
 func (p *Process) Release() Error {
 	if p.handle == -1 {
 		return EINVAL