* src/vm/jit/stacktrace.c (stacktrace_create): Returns NULL if there is no

stacktrace available for the given thread. Fixed comments.

diff --git a/src/vm/jit/stacktrace.c b/src/vm/jit/stacktrace.c
index c540b0347a9750ada69c30fc45f49339acf535f4..2013e6e3d561c9dc2a4f2935ea1567e4fc75ffb5 100644 (file)
--- a/src/vm/jit/stacktrace.c
+++ b/src/vm/jit/stacktrace.c
@@ -22,7 +22,7 @@
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
    02110-1301, USA.
 
-   $Id: stacktrace.c 7596 2007-03-28 21:05:53Z twisti $
+   $Id: stacktrace.c 7631 2007-04-02 20:04:22Z michi $
 
 */
 
@@ -667,12 +667,13 @@ static bool stacktrace_add_method(stacktracebuffer *stb, methodinfo *m, u1 *pv,
 /* stacktrace_create ***********************************************************
 
    Generates a stacktrace from the thread passed into a
-   stacktracebuffer.  The stacktracebuffer is allocated on the GC
-   heap.
+   stacktracebuffer.  The stacktracebuffer is allocated on the
+   dump memory.
 
    RETURN VALUE:
       pointer to the stacktracebuffer, or
-         NULL if an exception has been thrown
+      NULL if there is no stacktrace available for the
+      given thread.
 
 *******************************************************************************/
 
@@ -956,7 +957,10 @@ stacktracebuffer *stacktrace_create(threadobject* thread)
 
        /* return the stacktracebuffer */
 
-       return stb;
+       if (stb->used == 0)
+               return NULL;
+       else
+               return stb;
 }