X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fincludes%2FRtsAPI.h;h=32e73622fdfbcadec52f55244082faa9f3c05100;hb=af13609607da81e7837a7c7c598de82452363ab5;hp=cf0792307d051251c94b9da79cf420e7e99ebba8;hpb=be6592933f4cdf78a495233376e44c9458b17b78;p=ghc-hetmet.git

diff --git a/ghc/includes/RtsAPI.h b/ghc/includes/RtsAPI.h
index cf079230..32e7362 100644
--- a/ghc/includes/RtsAPI.h
+++ b/ghc/includes/RtsAPI.h
@@ -1,5 +1,5 @@
 /* ----------------------------------------------------------------------------
- * $Id: RtsAPI.h,v 1.30 2002/09/05 08:58:55 simonmar Exp $
+ * $Id: RtsAPI.h,v 1.31 2003/01/25 15:54:48 wolfgang Exp $
  *
  * (c) The GHC Team, 1998-1999
  *
@@ -38,6 +38,20 @@ extern void shutdownHaskellAndExit ( int exitCode );
 extern void setProgArgv            ( int argc, char *argv[] );
 extern void getProgArgv            ( int *argc, char **argv[] );
 
+
+/* ----------------------------------------------------------------------------
+   Locking.
+   
+   In a multithreaded environments, you have to surround all access to the
+   RtsAPI with these calls.
+   ------------------------------------------------------------------------- */
+   
+void
+rts_lock ( void );
+
+void
+rts_unlock ( void );
+
 /* ----------------------------------------------------------------------------
    Building Haskell objects from C datatypes.
    ------------------------------------------------------------------------- */
@@ -85,6 +99,8 @@ HsBool       rts_getBool      ( HaskellObj );
    Evaluating Haskell expressions
 
    The versions ending in '_' allow you to specify an initial stack size.
+   Note that these calls may cause Garbage Collection, so all HaskellObj
+   references are rendered invalid by these calls.
    ------------------------------------------------------------------------- */
 SchedulerStatus 
 rts_eval ( HaskellObj p, /*out*/HaskellObj *ret );