mirror of
https://github.com/tailscale/tailscale.git
synced 2024-11-29 13:05:46 +00:00
53 lines
1.2 KiB
Go
53 lines
1.2 KiB
Go
|
// Code generated by 'go generate'; DO NOT EDIT.
|
||
|
|
|
||
|
|
package winutil
|
||
|
|
|
||
|
|
import (
|
||
|
|
"syscall"
|
||
|
|
"unsafe"
|
||
|
|
|
||
|
|
"golang.org/x/sys/windows"
|
||
|
|
)
|
||
|
|
|
||
|
|
var _ unsafe.Pointer
|
||
|
|
|
||
|
|
// Do the interface allocations only once for common
|
||
|
|
// Errno values.
|
||
|
|
const (
|
||
|
|
errnoERROR_IO_PENDING = 997
|
||
|
|
)
|
||
|
|
|
||
|
|
var (
|
||
|
|
errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
|
||
|
|
errERROR_EINVAL error = syscall.EINVAL
|
||
|
|
)
|
||
|
|
|
||
|
|
// errnoErr returns common boxed Errno values, to prevent
|
||
|
|
// allocations at runtime.
|
||
|
|
func errnoErr(e syscall.Errno) error {
|
||
|
|
switch e {
|
||
|
|
case 0:
|
||
|
|
return errERROR_EINVAL
|
||
|
|
case errnoERROR_IO_PENDING:
|
||
|
|
return errERROR_IO_PENDING
|
||
|
|
}
|
||
|
|
// TODO: add more here, after collecting data on the common
|
||
|
|
// error values see on Windows. (perhaps when running
|
||
|
|
// all.bat?)
|
||
|
|
return e
|
||
|
|
}
|
||
|
|
|
||
|
|
var (
|
||
|
|
modadvapi32 = windows.NewLazySystemDLL("advapi32.dll")
|
||
|
|
|
||
|
|
procQueryServiceConfig2W = modadvapi32.NewProc("QueryServiceConfig2W")
|
||
|
|
)
|
||
|
|
|
||
|
|
func queryServiceConfig2(hService windows.Handle, infoLevel uint32, buf *byte, bufLen uint32, bytesNeeded *uint32) (err error) {
|
||
|
|
r1, _, e1 := syscall.Syscall6(procQueryServiceConfig2W.Addr(), 5, uintptr(hService), uintptr(infoLevel), uintptr(unsafe.Pointer(buf)), uintptr(bufLen), uintptr(unsafe.Pointer(bytesNeeded)), 0)
|
||
|
|
if r1 == 0 {
|
||
|
|
err = errnoErr(e1)
|
||
|
|
}
|
||
|
|
return
|
||
|
|
}
|