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_endthread, _endthreadex

Terminates a thread; _endthread terminates a thread that's created by _beginthread and _endthreadex terminates a thread that's created by_beginthreadex.

Important note Important

This API cannot be used in applications that execute in the Windows Runtime. For more information, see CRT functions not supported with /ZW.

void _endthread( void );
void _endthreadex( 
   unsigned retval 
);

retval

Thread exit code.

You can call _endthread or _endthreadex explicitly to terminate a thread; however, _endthread or _endthreadex is called automatically when the thread returns from the routine passed as a parameter to _beginthread or _beginthreadex. Terminating a thread with a call to endthread or _endthreadex helps ensure proper recovery of resources allocated for the thread.

Note Note

For an executable file linked with Libcmt.lib, do not call the Win32 ExitThread API; this prevents the run-time system from reclaiming allocated resources. _endthread and _endthreadex reclaim allocated thread resources and then call ExitThread.

_endthread automatically closes the thread handle. (This behavior differs from the Win32 ExitThread API.) Therefore, when you use _beginthread and _endthread, do not explicitly close the thread handle by calling the Win32 CloseHandle API.

Like the Win32 ExitThread API, _endthreadex does not close the thread handle. Therefore, when you use _beginthreadex and _endthreadex, you must close the thread handle by calling the Win32 CloseHandle API.

Note Note

_endthread and _endthreadex cause C++ destructors pending in the thread not to be called.

Function

Required header

_endthread

<process.h>

_endthreadex

<process.h>

For more compatibility information, see Compatibility.

Libraries

Multithreaded versions of the C run-time libraries only.

See the example for _beginthread.

Not applicable. To call the standard C function, use PInvoke. For more information, see Platform Invoke Examples.

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