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Re: Moving pthread_(cond|mutex) to libc
On Sun, Jan 27, 2013 at 07:23:49AM +0000, David Holland wrote:
> On Sat, Jan 26, 2013 at 09:01:32PM +0100, Joerg Sonnenberger wrote:
> > On Fri, Jan 25, 2013 at 05:21:51PM +0000, David Holland wrote:
> > > That said, it's a fair point. If I'm writing a library, and I want the
> > > library to be safely usable by both threaded and unthreaded programs,
> > > is there anything I can do? Right now it seems the only fully viable
> > > approach is to build two versions and hope I can figure out how to get
> > > clients to link the right one, which is pretty sketchy.
> > You can use mutexes and cvs and a number of other things just fine.
> > The only thing you are not allowed to do is call pthread_create.
> So if I have such a library, should I compile and link it with or
> without using -pthread? If I do, AFAIK it will be linked against
> libpthread.so and then fail to dlopen; if I don't, I'm not sure what
> the precise consequences are but I dimly recall that other things will
> go wrong.
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