X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=doc%2Fmanual%2Fthreading.texinfo;h=3fc374ab7a0e2cc9fc0523ae85b27305f42f9bf4;hb=cea2946076e0dac11eea1c95158e5e2326455dd8;hp=b6816691b06be8e70180351a300339b976535787;hpb=a08efdfc11a98f4c7531cf67e0d4fdf5f274681f;p=sbcl.git

diff --git a/doc/manual/threading.texinfo b/doc/manual/threading.texinfo
index b681669..3fc374a 100644
--- a/doc/manual/threading.texinfo
+++ b/doc/manual/threading.texinfo
@@ -9,13 +9,17 @@ multiprocessing on machines that have more than one CPU, but it does
 not allow Lisp control of the scheduler.  This is found in the
 SB-THREAD package.
 
-This requires Linux (2.6+ or systems with NPTL backports) running on the
-x86 or x86-64 architecture, or SunOS (Solaris) on the x86.  Support for
-threading on Darwin (Mac OS X) and FreeBSD on the x86 is experimental.
+Threads are part of the default build on x86[-64] Linux only.
+
+They are also experimentally supported on: x86[-64] Darwin (Mac OS X),
+x86[-64] FreeBSD, and x86 SunOS (Solaris). On these platforms threads
+must be explicitly enabled at build-time, see @file{INSTALL} for
+directions.
 
 @menu
 * Threading basics::            
 * Special Variables::           
+* Atomic Operations::           
 * Mutex Support::               
 * Semaphores::                  
 * Waitqueue/condition variables::  
@@ -91,6 +95,17 @@ The last point means that
 
 prints @code{0} and not @code{1} as of 0.9.6.
 
+@node Atomic Operations
+@comment  node-name,  next,  previous,  up
+@section Atomic Operations
+
+SBCL provides a few special purpose atomic operations, particularly
+useful for implementing lockless algorithms.
+
+@include macro-sb-ext-atomic-decf.texinfo
+@include macro-sb-ext-atomic-incf.texinfo
+@include macro-sb-ext-compare-and-swap.texinfo
+
 @node Mutex Support
 @comment  node-name,  next,  previous,  up
 @section Mutex Support
@@ -143,6 +158,7 @@ experimental, subject to API changes without notice.
 @include fun-sb-thread-semaphore-count.texinfo
 @include fun-sb-thread-semaphore-name.texinfo
 @include fun-sb-thread-signal-semaphore.texinfo
+@include fun-sb-thread-try-semaphore.texinfo
 @include fun-sb-thread-wait-on-semaphore.texinfo
 
 @node Waitqueue/condition variables