func IsServiceRunning(serviceName string) (bool, error) {
// This function requires fewer access rights than using the above classes and can be used to check if a service
// is running without administrator access.
scmhandle, err := wrappers.OpenSCManager(
nil,
syscall.StringToUTF16Ptr(wrappers.SERVICES_ACTIVE_DATABASE),
wrappers.SC_MANAGER_CONNECT)
if err != nil {
return false, NewWindowsError("OpenSCManager", err)
}
defer wrappers.CloseServiceHandle(scmhandle)
handle, err := wrappers.OpenService(
scmhandle,
syscall.StringToUTF16Ptr(serviceName),
wrappers.SERVICE_QUERY_STATUS)
if err == wrappers.ERROR_SERVICE_DOES_NOT_EXIST {
return false, nil
} else if err != nil {
return false, NewWindowsError("OpenService", err)
}
defer wrappers.CloseServiceHandle(handle)
var status wrappers.SERVICE_STATUS
if err := wrappers.QueryServiceStatus(handle, &status); err != nil {
return false, NewWindowsError("QueryServiceStatus", err)
}
return status.CurrentState == wrappers.SERVICE_RUNNING, nil
}
func (self *SCManager) OpenService(serviceName string) (*Service, error) {
handle, err := wrappers.OpenService(
self.handle,
syscall.StringToUTF16Ptr(serviceName),
wrappers.SERVICE_ALL_ACCESS)
if err != nil {
return nil, NewWindowsError("OpenService", err)
}
return &Service{handle: handle}, nil
}