This is the mail archive of the pthreads-win32@sources.redhat.com mailing list for the pthreas-win32 project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]

errno warnings


Yes, I also have noticed the 'errno' warnings.  What is the fix?

> -----Original Message-----
> From: pthreads-win32-owner@sources.redhat.com
> [mailto:pthreads-win32-owner@sources.redhat.com]On Behalf Of Mattias
> Ernelli
> Sent: Wednesday, December 27, 2000 12:41 PM
> To: 'Laurence F. Wood'
> Cc: Pthreads Win32 (E-mail)
> Subject: RE: Memory leak problem in MSVS6.0 C RTL
>
>
> Intresting, I noticed also that you have renamed the _errno declaration in
> pthread.h to _errnoPthread to avoid nameclash with the _errno()
> declared in
> need_errno/errno.h. I get compiletime warnings about inconsistant linkage
> specification since in need_errno/errno.h it is declared "_CRTIMP
> extern int
> * _errno( void ); " which when compiled as dll yields dllexport
> extern int *
> _errno( void ).
>
> I was looking for solutions, one is to declare NEED_ERRNO as well as
> declaring _MD but it felt awkward since NEED_ERRNO includes need_errno.h
> which is just a copy of errno.h.
>
> So I solved it by adding _CRTIMP extern to the declaration in pthread.h.
>
> I wonder if this has been addressed by the pthread-32 comunity
> before? Or is
> everybody ignoring the compiler warning? I do think that the declaration
> should go away since its declared in either need_errno.h or errno.h.
>
> Anyway, what I meant about static linking is that our application is is
> using the static version of the C RTL (libcmt.lib) not
> msvcrt.lib, ant that
> caused a conflict with the pthread linking of msvcrt.lib/dll. Now I have
> changed so that our application links to msvcrt.lib/dll as well,
> although I
> have to recompile pthread depending on whether I need to link to the
> debug/release version of msvcrt. Maybe that should be part of the build
> system to build a version that links to either release/debug
> version of the
> msvcrt.dll.
>
> //Mattias
>
> -----Original Message-----
> From: Laurence F. Wood [mailto:LaurenceWood@SunyataSystems.Com]
> Sent: den 22 december 2000 23:35
> To: Laurence F. Wood; Bossom, John; 'Mattias Ernelli'
> Cc: Pthreads Win32 (E-mail)
> Subject: RE: Memory leak problem in MSVS6.0 C RTL
>
>
> Here is how I have modified pthreads-win32 with _LIB conditional
> compilations for building
> as a statically linked library. There is a new conditionally compiled
> function in pthread.h that is implemented in dll.c.  I use this
> implementation successfully to run massively threaded quantum chemistry
> codes.  It should be obvious how to make use of the new call from the code
> in dll.c.  If this is of use would someone please make certain that this
> gets to the correct archive or pthreads development people.
>
> Happy Holiday,
>
> Larry Wood
>


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]