basic thread question

[Daniel Eischen]

On Fri, 23 May 2003, Craig Rodrigues wrote:

> On Fri, May 23, 2003 at 10:57:30AM -0400, Daniel Eischen wrote:
> > Either link to libkse or libthr (-lkse or -lthr).  Don't use
> > libc_r (-pthread or -lc_r).  Libkse will set the concurrency
> > to the number of CPUs in your system.  You can also use
> > scope system threads with libkse.
> 
> Hi,
> 
> The FreeBSD KSE web page does not mention -lkse, but
> instead it mentions linking against libpthreads.
> 
> Does this web page need to be updated?  It mentions
> linking against libpthreads and libpthread.

I don't know; it's a question of timing.  After -release and
when rtld-elf gets fixed (kan is working on it right now),
it'll go back to being installed as libpthread.

Does this work for you?

Index: index.sgml
===================================================================
RCS file: /home/dcvs/www/en/kse/index.sgml,v
retrieving revision 1.11
diff -u -r1.11 index.sgml
--- index.sgml	3 May 2003 21:17:01 -0000	1.11
+++ index.sgml	23 May 2003 22:32:52 -0000
@@ -58,21 +58,13 @@
     the KSE-related changes (the changes are inextricable from the
     FreeBSD scheduler). 
 
-    <p>In order to use KSE in an application, you need to link it against
-    libpthreads, which is not built by default. To build and install it
-    on your system, either run <tt>make all install</tt> from
-    <span class="filename">/usr/src/lib/libpthread</span> (if you have
-    sources installed on your system), or check out the
-    <span class="filename">libpthread</span> and
-    <span class="filename">libc</span> modules from CVS. You don't need to
-    rebuild libc, but the libpthread makefiles refer to parts of the
-    libc sources.</p>
-
     <p>Linking an application against libpthread is straightforward. In its
     makefiles, change the <tt>-pthread</tt> option to <tt>-lpthread</tt> 
     and relink. Alternatively, you can copy libpthread.so on top of
     libc_r.so, but this is not recommended until libpthread.so becomes a
-    bit more stable.
+    bit more stable.  Please note that at this time, libpthread is installed
+    as libkse to prevent autoconf and the like from picking up libpthread
+    instead of libc_r (use <tt>-lkse<tt> instead of <tt>-lpthread<tt>).
 
     <a name="further.reading"></a>
     <h2>Further Reading</h2>

-- 
Dan Eischen