RE: problem in pthread.h

["Bossom, John" <John.Bossom@Cognos.COM>]

The pthread_cleanup_push defines a scoped block that is completed by the
pop macro.
This scoping is necessary in order that the internal local variable,
_cleanup, still exists at when the pop is actually called. The pop
expects the values in the _cleanup to still be available.



-----Original Message-----
From: pthreads-win32-owner@sourceware.org
[mailto:pthreads-win32-owner@sourceware.org] On Behalf Of Romano Paolo
Tenca
Sent: Monday, June 05, 2006 2:06 PM
To: Pthreads-Win32 list
Subject: problem in pthread.h

In pthread.h  2.7.0 line 762 i find:

#define pthread_cleanup_push( _rout, _arg ) \
        { \
            ptw32_cleanup_t     _cleanup; \
            \
            ptw32_push_cleanup( &_cleanup, (ptw32_cleanup_callback_t)
(_rout), (_arg) ); \

#define pthread_cleanup_pop( _execute ) \
            (void) ptw32_pop_cleanup( _execute ); \
        }

It seems to me that it must be:

#define pthread_cleanup_push( _rout, _arg ) \
        { \
            ptw32_cleanup_t     _cleanup; \
            ptw32_push_cleanup( &_cleanup, (ptw32_cleanup_callback_t)
(_rout), (_arg) ); \
        }

#define pthread_cleanup_pop( _execute ) \
       (void) ptw32_pop_cleanup( _execute );



--
Romano Paolo Tenca
 
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