Windows: added native syscalls and structures

serial/native_zwindows.go

@@ -0,0 +1,51 @@
+// go build mksyscall_windows.go && ./mksyscall_windows native_windows.go
+// MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
+
+package serial
+
+import "unsafe"
+import "syscall"
+
+var (
+	modkernel32 = syscall.NewLazyDLL("kernel32.dll")
+
+	procGetCommState    = modkernel32.NewProc("GetCommState")
+	procSetCommState    = modkernel32.NewProc("SetCommState")
+	procSetCommTimeouts = modkernel32.NewProc("SetCommTimeouts")
+)
+
+func GetCommState(handle syscall.Handle, dcb *DCB) (err error) {
+	r1, _, e1 := syscall.Syscall(procGetCommState.Addr(), 2, uintptr(handle), uintptr(unsafe.Pointer(dcb)), 0)
+	if r1 == 0 {
+		if e1 != 0 {
+			err = error(e1)
+		} else {
+			err = syscall.EINVAL
+		}
+	}
+	return
+}
+
+func SetCommState(handle syscall.Handle, dcb *DCB) (err error) {
+	r1, _, e1 := syscall.Syscall(procSetCommState.Addr(), 2, uintptr(handle), uintptr(unsafe.Pointer(dcb)), 0)
+	if r1 == 0 {
+		if e1 != 0 {
+			err = error(e1)
+		} else {
+			err = syscall.EINVAL
+		}
+	}
+	return
+}
+
+func SetCommTimeouts(handle syscall.Handle, timeouts *COMMTIMEOUTS) (err error) {
+	r1, _, e1 := syscall.Syscall(procSetCommTimeouts.Addr(), 2, uintptr(handle), uintptr(unsafe.Pointer(timeouts)), 0)
+	if r1 == 0 {
+		if e1 != 0 {
+			err = error(e1)
+		} else {
+			err = syscall.EINVAL
+		}
+	}
+	return
+}