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Re: [Mingw-w64-public] Fwd: [patch] Reimplement GNU threads library on native Windows


在 2019/7/2 下午5:19, Eric Botcazou 写道:
>> It seems inappropriate to use handles as thread identifiers (as handles
>> imply resource ownership and are not unique identifiers); thread IDs (as
>> `DWORD` or `unsigned long`) would be a better alternative.
> 
> This was considered but ultimately rejected, as you can do nothing with a 
> thread Id, i.e. you need a handle for everything.  But the __gthread_equal 
> routine does compare the Ids and not the handles.
> 

The `OpenThread()` function can obtain a handle by thread ID. It returns
a real handle that has to be closed when it is out of use. Using the
pseudo handle returned by `GetCurrentThread()` may be more efficient if
the target thread ID is equal to `GetCurrentThreadId()`.


-- 
Best regards,
LH_Mouse

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