UnlockServiceDatabase

最新推荐文章于 2025-11-25 12:58:51 发布

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#service #function #windows #server #parameters #database

博客介绍了UnlockServiceDatabase函数，该函数可通过释放指定锁来解锁服务控制管理器数据库。说明了其参数情况，成功时返回非零值，失败返回零，可调用GetLastError获取扩展错误信息，还提及示例代码和要求。

UnlockServiceDatabase

The UnlockServiceDatabase function unlocks a service control manager database by releasing the specified lock.

BOOL UnlockServiceDatabase(
  SC_LOCK ScLock
);

Parameters

ScLock

[in] Lock obtained from a previous call to the LockServiceDatabase function.

Return Values

If the function succeeds, the return value is nonzero.

If the function fails, the return value is zero. To get extended error information, call GetLastError.

The following error codes can be set by the service control manager. Other error codes can be set by the registry functions that are called by the service control manager.

Return code	Description
ERROR_INVALID_SERVICE_LOCK	The specified lock is invalid.

Example Code

For an example, see Changing A Service Configuration.

Requirements

Client	Requires Windows XP, Windows 2000 Professional, or Windows NT Workstation.
Server	Requires Windows Server 2003, Windows 2000 Server, or Windows NT Server.
Header	Declared in Winsvc.h; include Windows.h.
Library	Link to Advapi32.lib.
DLL	Requires Advapi32.dll.