X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=docs%2Fusers_guide%2Fruntime_control.xml;h=95365bacce9af76da4febe616699e3682e307e94;hb=2cc64da9094b7bdb122c17e5b30b5b6b3c2259b5;hp=77c72be609708e712efdf4c5b7cdc6469a3f1bf4;hpb=a8e681c1e8aa4bc602714ff61583cd4e969d7187;p=ghc-hetmet.git
diff --git a/docs/users_guide/runtime_control.xml b/docs/users_guide/runtime_control.xml
index 77c72be..95365ba 100644
--- a/docs/users_guide/runtime_control.xml
+++ b/docs/users_guide/runtime_control.xml
@@ -108,6 +108,26 @@
the or options.
However, setting is required in order to
increase the resolution of the time profiler.
+
+ Using a value of zero disables the RTS clock
+ completetly, and has the effect of disabling timers that
+ depend on it: the context switch timer and the heap profiling
+ timer. Context switches will still happen, but
+ deterministically and at a rate much faster than normal.
+ Disabling the interval timer is useful for debugging, because
+ it eliminates a source of non-determinism at runtime.
+
+
+
+
+
+ RTS
+ option
+
+ If yes (the default), the RTS installs signal handlers to catch
+ things like ctrl-C. This option is primarily useful for when
+ you are using the Haskell code as a DLL, and want to set your
+ own signal handlers.