Recent changes in pthread_create

[Christopher Faylor]

On Wed, Apr 21, 2004 at 09:18:11AM +0200, Thomas Pfaff wrote:
>Date: Thu, 18 Apr 2002 12:11:26 +0200
>[...]
>2. The InterlockedIncrement (&MT_INTERFACE->threadcount) in
>  __pthread_create is misplaced. If the newly created thread terminates
>  fast enough the threadcount will be decremented before it was
>  incremented, which will result in an exit from __pthread_exit instead
>  of an ExitThread.
>[... ]
>
>Same thing will now happen again after your change from CREATE_SUSPENDED to
>0 in CreateThread.

This was not just a simple change of CREATE_SUSPENDED to 0.

I moved the mutex lock to prevent the thread from terminating before
pthread::create exits.