Service Functions (Windows)

Service Functions

The following functions are used or implemented by services.

Function	Description
Handler	An application-defined callback function used with the RegisterServiceCtrlHandler function.
HandlerEx	An application-defined callback function used with the RegisterServiceCtrlHandlerEx function.
RegisterServiceCtrlHandler	Registers a function to handle service control requests.
RegisterServiceCtrlHandlerEx	Registers a function to handle extended service control requests.
ServiceMain	An application-defined function that serves as the starting point for a service.
SetServiceBits	Registers a service type with the service control manager and the Server service.
SetServiceStatus	Updates the service control manager's status information for the calling service.
StartServiceCtrlDispatcher	Connects the main thread of a service process to the service control manager.

The following functions are used by programs that control or configure services.

Function	Description
ChangeServiceConfig	Changes the configuration parameters of a service.
ChangeServiceConfig2	Changes the optional configuration parameters of a service.
CloseServiceHandle	Closes the specified handle to a service control manager object or a service object.
ControlService	Sends a control code to a service.
ControlServiceEx	Sends a control code to a service.
CreateService	Creates a service object and adds it to the specified service control manager database.
DeleteService	Marks the specified service for deletion from the service control manager database.
EnumDependentServices	Retrieves the name and status of each service that depends on the specified service.
EnumServicesStatusEx	Enumerates services in the specified service control manager database based on the specified information level.
GetServiceDisplayName	Retrieves the display name of the specified service.
GetServiceKeyName	Retrieves the service name of the specified service.
NotifyBootConfigStatus	Reports the boot status to the service control manager.
NotifyServiceStatusChange	Enables an application to receive notification when the specified service is created or deleted or when its status changes.
OpenSCManager	Establishes a connection to the service control manager on the specified computer and opens the specified service control manager database.
OpenService	Opens an existing service.
QueryServiceConfig	Retrieves the configuration parameters of the specified service.
QueryServiceConfig2	Retrieves the optional configuration parameters of the specified service.
QueryServiceObjectSecurity	Retrieves a copy of the security descriptor associated with a service object.
QueryServiceStatusEx	Retrieves the current status of the specified service based on the specified information level.
SetServiceObjectSecurity	Sets the security descriptor of a service object.
StartService	Starts a service.

Obsolete Functions

The following functions are obsolete.

EnumServicesStatus

LockServiceDatabase

QueryServiceLockStatus

QueryServiceStatus

UnlockServiceDatabase

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Build date: 11/19/2009