tailscale/safesocket/zsyscall_windows.go

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// Code generated by 'go generate'; DO NOT EDIT.
package safesocket
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")
modkernel32 = windows.NewLazySystemDLL("kernel32.dll")
procImpersonateNamedPipeClient = modadvapi32.NewProc("ImpersonateNamedPipeClient")
procGetNamedPipeClientProcessId = modkernel32.NewProc("GetNamedPipeClientProcessId")
)
func impersonateNamedPipeClient(h windows.Handle) (err error) {
r1, _, e1 := syscall.Syscall(procImpersonateNamedPipeClient.Addr(), 1, uintptr(h), 0, 0)
if int32(r1) == 0 {
err = errnoErr(e1)
}
return
}
func getNamedPipeClientProcessId(h windows.Handle, clientPid *uint32) (err error) {
r1, _, e1 := syscall.Syscall(procGetNamedPipeClientProcessId.Addr(), 2, uintptr(h), uintptr(unsafe.Pointer(clientPid)), 0)
if int32(r1) == 0 {
err = errnoErr(e1)
}
return
}