fixed a shutdown crash

* fixed a crash that can occur at shutdown when an object stored inside
a keeper state performs a linda operation on a linda making use of
another keeper
* bumped version to 3.7.5

1 files changed, 23 insertions, 9 deletions

diff --git a/index.html b/index.html
index af08397..f25463d 100644
--- a/index.html
+++ b/index.html
@@ -70,7 +70,7 @@
                         </p>
 
                         <p>
-                                This document was revised on 3-Dec-13, and applies to version <tt>3.7.4</tt>.
+                                This document was revised on 20-Dec-13, and applies to version <tt>3.7.5</tt>.
                         </p>
                 </font>
         </center>
@@ -273,7 +273,7 @@
                         <th style="width:70%">definition</th>
                 </tr>
                 <tr valign=top>
-                        <td>
+                        <td id="nb_keepers">
                                 <code>.nb_keepers</code>
                         </td>
                         <td>integer >= 1</td>
@@ -283,7 +283,7 @@
                 </tr>
 
                 <tr valign=top>
-                        <td>
+                        <td id="with_timers">
                                 <code>.with_timers</code>
                         </td>
                         <td>
@@ -296,7 +296,7 @@
                 </tr>
 
                 <tr valign=top>
-                        <td>
+                        <td id="verbose_errors">
                                 <code>.verbose_errors</code>
                         </td>
                         <td>
@@ -309,7 +309,7 @@
                 </tr>
 
                 <tr valign=top>
-                        <td>
+                        <td id="protect_allocator">
                                 <code>.protect_allocator</code>
                         </td>
                         <td>
@@ -322,6 +322,19 @@
                 </tr>
 
                 <tr valign=top>
+                        <td id="demote_full_userdata">
+                                <code>.demote_full_userdata</code>
+                        </td>
+                        <td>
+                                <tt>nil</tt>/<tt>false</tt>/<tt>true</tt>
+                        </td>
+                        <td>
+                                (Since v3.7.5) If equal to <tt>false</tt> or <tt>nil</tt>, Lanes raises an error when attempting to transfer a non-deep full userdata, else it will be demoted to a light userdata in the destination.
+                                Default is <tt>false</tt> (set to <tt>true</tt> to get the legacy behaviour).
+                        </td>
+                </tr>
+
+                <tr valign=top>
                         <td id="track_lanes">
                                 <code>.track_lanes</code>
                         </td>
@@ -335,7 +348,7 @@
                 </tr>
 
                 <tr valign=top>
-                        <td>
+                        <td id="on_state_create">
                                 <code>.on_state_create</code>
                         </td>
                         <td>
@@ -354,8 +367,8 @@
                 </tr>
 
                 <tr valign=top>
-                        <td>
-                                <code>.shutdown_timeout</code> <br/>
+                        <td id="shutdown_timeout">
+                                <code>.shutdown_timeout</code>
                         </td>
                         <td>
                                 number >= 0
@@ -1133,7 +1146,7 @@ events to a common Linda, but... :).</font>
 </pre></td></tr></table>
 
 <p>
-        Timers are implemented as a lane. They can be disabled by setting <tt>"with_timers"</tt> to <tt>nil</tt> or <tt>false</tt> to <tt>lanes.configure()</tt>.
+        Timers are implemented as a lane. They can be disabled by setting "<tt><a href="#with_timers">with_timers</a></tt>" to <tt>nil</tt> or <tt>false</tt> to <tt>lanes.configure()</tt>.
 </p>
 
 <p>
@@ -1289,6 +1302,7 @@ events to a common Linda, but... :).</font>
                         Full userdata can be passed only if it's prepared using the <a href="#deep_userdata">deep userdata</a> system, which handles its lifespan management
                         <ul>
                                 <li>In particular, lane handles cannot be passed between lanes.</li>
+                                <li>Lanes can either throw an error or attempt a <a href="#demote_full_userdata">light userdata demotion</a>.</li>
                         </ul>
                 </li>
                 <li>Coroutines cannot be passed. A coroutine's Lua state is tied to the Lua state that created it, and there is no way the mixed C/Lua stack of a coroutine can be transfered from one Lua state to another.</li>