is CreateThread(CREATE_SUSPENDED) fully functional?

André Hentschel nerv at
Thu Sep 27 12:17:42 CDT 2012

Am 27.09.2012 09:13, schrieb Joerg-Cyril.Hoehle at
> Hi,
> Recently I thought I found a use-case for CreateThread(CREATE_SUSPENDED).
> The idiom is to get the thread handle before the thread starts a life on its own.
> I looked at the kernel tests,
> However, both invocations with CREATE_SUSPENDED actually test the
> pair CreateThread + SuspendThread.  The tests do not prove that CREATE_SUSPENDED works!
> They only prove that the suspend counter and perhaps SuspendThread work.
> a) Does Wine not support CREATE_SUSPENDED, so that the tests do the best they can?
> In such a case, a WARN("ignoring SUSPENDED flag, beware of race conditions\n") would be appropriate.
> or
> b) CREATE_SUSPENDED is fully supported on all platforms.
> Then the tests need some refinement.

Why did you only had a look at the tests? I checked the source in 30 seconds and answered the question for me:
CREATE_SUSPENDED is an essential part of the CreateThread Implementation.
Anyway, more tests are always welcome.


Best Regards, André Hentschel

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