On Fri, Sep 07, 2007 at 10:47:28AM +0200, Raimo Niskanen wrote:
> We just discovered that it appears the default Posix thread
> stack size is 64KByte for OpenBSD (4.1). That seems a bit slim.
> To compare I recall Solaris8 has got 2MByte as default.
>
> Can I assume all C library routines in OpenBSD are tuned to be
> careful with stack usage?
>
> Is there some system parameter to tweak to increase the default
> stack size. It would be nice to not force the application
> into setting its stack size - it differs a lot between
> different platforms, would be hard to maintain and
> has an uncomfortable stoneage feeling.
I usually have:
#ifdef __OpenBSD__
size_t stacksize;
pthread_attr_getstacksize(&attr, &stacksize);
pthread_attr_setstacksize(&attr, stacksize * 2);
#endif
in my threaded stuff.
Doubling the size usually works for my C++ stuff.