[ace-users] Is ACE_Lock::tryacquire_write_upgrade() supported on Linux?

[Douglas C. Schmidt]

Hi Michael,

> Thanks Doug.  Looks like I'm in luck. 
> ACE_HAS_PTHREADS_UNIX98_EXT is defined on my platform.

Great!  You might double check that this works by running the 

ACE_ROOT/tests/Upgradable_RW_Test.cpp

test.

Thanks,

        Doug

> Regards,
> 
> Michael
> 
> --- "Douglas C. Schmidt" <schmidt at dre.vanderbilt.edu>
> wrote:
> 
> > 
> > Hi Michael,
> > 
> > Thanks for using the PRF.
> > 
> > >     ACE VERSION: 5.5.1
> > 
> > Please upgrade to ACE+TAO+CIAO x.5.9 (i.e., ACE
> > 5.5.9, TAO 1.5.9, and
> > CIAO 0.5.9), which you can download from
> > 
> > http://download.dre.vanderbilt.edu
> > 
> > under the heading: "Latest Beta Kit".
> > 
> > The DOC groups at Washington University, UC Irvine,
> > and Vanderbilt
> > University only provide "best effort" support for
> > non-sponsors for the
> > latest release, as described in
> > 
> >
> http://www.dre.vanderbilt.edu/~schmidt/DOC_ROOT/ACE/docs/ACE-bug-process.html
> > 
> > Thus, if you need more "predictable" help for
> > earlier versions of
> > ACE+TAO, I recommend that you check out
> > 
> > http://www.dre.vanderbilt.edu/support.html
> > 
> > for a list of companies that will provide you with
> > ACE+TAO commercial
> > support.
> > 
> > >     HOST MACHINE and OPERATING SYSTEM:
> > > Intel PC, Fedora Core 5 Linux
> > > 
> > >     TARGET MACHINE and OPERATING SYSTEM:
> > > Same
> > > 
> > >     COMPILER NAME AND VERSION (AND PATCHLEVEL):
> > > gcc v. 3.4.6
> > >  
> > > Someone at my organization said that this method
> > is
> > > not supported on Solaris, and asked me to double
> > check
> > > that it is supported on Linux.
> > 
> > This method is available natively if your OS
> > platform supports 
> > 
> > ACE_HAS_PTHREADS_UNIX98_EXT
> > 
> > It's also available if you use the ACE rwlock
> > emulation, which is set if
> > you enable ACE_LACKS_RWLOCK_T.  This works on all OS
> > platforms,
> > including Solaris.
> > 
> > Take care,
> > 
> >      Doug
> > 
> 
> 
> 
>        
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