GetThreadId function (Windows)

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GetThreadId function

Applies to: desktop apps only

Retrieves the thread identifier of the specified thread.

Syntax

DWORD WINAPI GetThreadId(
  __in  HANDLE Thread
);

Parameters

Thread [in]

A handle to the thread. The handle must have the THREAD_QUERY_INFORMATION or THREAD_QUERY_LIMITED_INFORMATION access right. For more information about access rights, see Thread Security and Access Rights.

Windows Server 2003:  The handle must have the THREAD_QUERY_INFORMATION access right.

Return value

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

Remarks

Until a thread terminates, its thread identifier uniquely identifies it on the system.

To compile an application that uses this function, define _WIN32_WINNT as 0x0502 or later. For more information, see Using the Windows Headers.

Requirements

Minimum supported client

Windows Vista

Minimum supported server

Windows Server 2003

Header

WinBase.h (include Windows.h)

Library

Kernel32.lib

DLL

Kernel32.dll

See also

GetCurrentThreadId
GetProcessId
GetProcessIdOfThread
Process and Thread Functions
Threads

 

 

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Build date: 3/7/2012