Re: [uml-devel] Re: pthreads?

[BlaisorBlade <blaisorblade_spam@yahoo.it>]

Alle 11:08, giovedì 2 ottobre 2003, Jan Hudec ha scritto:
> On Fri, Sep 12, 2003 at 11:07:54 +0200, Geert Uytterhoeven wrote:
> > BTW, it's libX11 that needs libpthread...
>
> bulb@vagabond:~$ ldd /usr/X11R6/lib/libX11.so.6.2
> 	libdl.so.2 => /lib/libdl.so.2 (0x400d5000)
> 	libc.so.6 => /lib/libc.so.6 (0x400d8000)
> 	/lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x80000000)
>
> Not see libpthread anywhere around!
Yes, but obviously since it's dinamically loaded, it mustn't be reported. 
libdl is used for this(Dinamic Loading). While I run gedit, which seems to 
run only 1 thread, and in its /proc/<pid>/maps found libpthread. While I ran 
xev(which is simple) and didn't find libpthread. Coming back to Gtk, I run nm 
-D on /usr/lib/libglib-2.0.so and it didn't find the "pthr" string, but did 
find the "thread" string(with names I think come from the gthread lib). So, 
they can use pthread, even if this library doesn't appear in ldd output. How 
they do is another problem: probably to use thread, the program will have to 
be linked to libgthread/pthread.
>
> However, I just checked gmodule and glib and neither seems to report
> libpthread either!
>
> However, I just ran the simplest gtk-2.0 program I could find
Which is this one? It seems like gedit it's too complex....
> and greped
> it's /proc/<pid>/maps for string pthr. NOT FOUND.
>
> Thus it really looks like gtk-2.0 application does NOT have to use
> pthreads!

-- 
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Paolo Giarrusso, aka Blaisorblade
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