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List:       mysql
Subject:    Re: mysql: Porting mysql to HPUX 10.20
From:       Ben Elliston <bje () air ! net ! au>
Date:       1997-06-28 9:42:26
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> I'm trying to port MySQL to HPUX 10.20, using HP's native DCE threads. I think
> I've ironed out most of the API mismatches, but the compile dies in
> mysys/thr_lock.c around line 119:
> 
>       if (data->thread == lock->write.data->thread)
> 
> with the error message:
> 
> thr_lock.c:119: invalid operands to binary ==
> 
> I've checked the various header files, and note that this should be a
> comparison between 2 pthread_t variables. However, even forcibly casting the
> variables doesnt seem to work, nor does explicitly sticking in parentheses.

In HP-UX's DCE threads, a pthread_t type is not a simple data type.  It's
a structure and they can't be compared using "==".

Ben

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