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GetThreadSelectorEntry info  Overview  Group

The GetThreadSelectorEntry function retrieves a descriptor table entry for the specified selector and thread.

BOOL GetThreadSelectorEntry(

    HANDLE hThread,

// handle of thread that contains selector

    DWORD dwSelector,

// number of selector value to look up

    LPLDT_ENTRY lpSelectorEntry 

// address of selector entry structure



Identifies a handle of the thread containing the specified selector.

Windows NT: The handle must have THREAD_QUERY_INFORMATION access. For more information, see Thread Objects.

Specifies the global or local selector value to look up in the threadís descriptor tables.
Points to a structure that receives a copy of the descriptor table entry if the specified selector has an entry in the specified threadís descriptor table. This information can be used to convert a segment-relative address to a linear virtual address.

Return Values

If the function succeeds, the return value is nonzero. In that case, the structure pointed to by the lpSelectorEntry parameter receives a copy of the specified descriptor table entry.

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


GetThreadSelectorEntry is only functional on x86-based systems. For systems that are not x86-based, the function returns FALSE.

Debuggers use this function to convert segment-relative addresses to linear virtual addresses. The ReadProcessMemory and WriteProcessMemory functions use linear virtual addresses.

See Also

ReadProcessMemory, WriteProcessMemory

file: /Techref/os/win/api/win32/func/src/f41_12.htm, 3KB, , updated: 2000/4/7 12:19, local time: 2024/7/20 08:46,

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