wrong macro definition in pthread.h

Václav Haisman V.Haisman@sh.cvut.cz
Tue Feb 14 16:09:00 GMT 2006



skaller wrote:
> On Mon, 2006-02-13 at 21:27 +0900, 橋 宏彰 wrote:
>> In cvs head.
>>
>> winsup/cygwin/include/pthread.h
>>
>>   #define pthread_cleanup_push(_fn, _arg) { __pthread_cleanup_handler __cleanup_handler = \
>>                                            { _fn, _arg, NULL }; \
>>                                            _pthread_cleanup_push( &__cleanup_handler );
>>   #define pthread_cleanup_pop(_execute) _pthread_cleanup_pop( _execute ); }
>>
>> incorrect '}' position.
>>
> 
>>From my man pthread_cleanup_push:
> 
> Matching  pairs of !pthread_cleanup_push! and !pthread_cleanup_pop!
> must occur in the same function, at the same level of  block  nest‐
> ing.   Actually,  !pthread_cleanup_push!  and !pthread_cleanup_pop!
> are macros, and the expansion of !pthread_cleanup_push!  introduces
> an open brace !{!  with the matching closing brace !}! being intro‐
> duced by the expansion of the matching !pthread_cleanup_pop!.
This is what SUSv3 says too.

> 
> SO if this is a bug .. it is shared by Linux..:)
> 

VH

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