diff options
Diffstat (limited to 'vendor/golang.org/x/sys/windows/svc/mgr/config.go')
-rw-r--r-- | vendor/golang.org/x/sys/windows/svc/mgr/config.go | 40 |
1 files changed, 23 insertions, 17 deletions
diff --git a/vendor/golang.org/x/sys/windows/svc/mgr/config.go b/vendor/golang.org/x/sys/windows/svc/mgr/config.go index 0a6edba..d804e31 100644 --- a/vendor/golang.org/x/sys/windows/svc/mgr/config.go +++ b/vendor/golang.org/x/sys/windows/svc/mgr/config.go @@ -88,23 +88,11 @@ func (s *Service) Config() (Config, error) { } } - var p2 *windows.SERVICE_DESCRIPTION - n = uint32(1024) - for { - b := make([]byte, n) - p2 = (*windows.SERVICE_DESCRIPTION)(unsafe.Pointer(&b[0])) - err := windows.QueryServiceConfig2(s.Handle, - windows.SERVICE_CONFIG_DESCRIPTION, &b[0], n, &n) - if err == nil { - break - } - if err.(syscall.Errno) != syscall.ERROR_INSUFFICIENT_BUFFER { - return Config{}, err - } - if n <= uint32(len(b)) { - return Config{}, err - } + b, err := s.queryServiceConfig2(windows.SERVICE_CONFIG_DESCRIPTION) + if err != nil { + return Config{}, err } + p2 := (*windows.SERVICE_DESCRIPTION)(unsafe.Pointer(&b[0])) return Config{ ServiceType: p.ServiceType, @@ -121,7 +109,7 @@ func (s *Service) Config() (Config, error) { } func updateDescription(handle windows.Handle, desc string) error { - d := windows.SERVICE_DESCRIPTION{toPtr(desc)} + d := windows.SERVICE_DESCRIPTION{Description: toPtr(desc)} return windows.ChangeServiceConfig2(handle, windows.SERVICE_CONFIG_DESCRIPTION, (*byte)(unsafe.Pointer(&d))) } @@ -137,3 +125,21 @@ func (s *Service) UpdateConfig(c Config) error { } return updateDescription(s.Handle, c.Description) } + +// queryServiceConfig2 calls Windows QueryServiceConfig2 with infoLevel parameter and returns retrieved service configuration information. +func (s *Service) queryServiceConfig2(infoLevel uint32) ([]byte, error) { + n := uint32(1024) + for { + b := make([]byte, n) + err := windows.QueryServiceConfig2(s.Handle, infoLevel, &b[0], n, &n) + if err == nil { + return b, nil + } + if err.(syscall.Errno) != syscall.ERROR_INSUFFICIENT_BUFFER { + return nil, err + } + if n <= uint32(len(b)) { + return nil, err + } + } +} |