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Subject: [Boost-commit] svn:boost r49036 - in sandbox/thread_safe_signals/trunk/libs/signals2/doc: . reference
From: fmhess_at_[hidden]
Date: 2008-09-29 16:40:37


Author: fmhess
Date: 2008-09-29 16:40:36 EDT (Mon, 29 Sep 2008)
New Revision: 49036
URL: http://svn.boost.org/trac/boost/changeset/49036

Log:
Removed obsolete documentation regarding expired_slot exceptions

Text files modified:
   sandbox/thread_safe_signals/trunk/libs/signals2/doc/faq.xml | 5 -----
   sandbox/thread_safe_signals/trunk/libs/signals2/doc/reference/last_value.xml | 6 +++---
   sandbox/thread_safe_signals/trunk/libs/signals2/doc/reference/signal_header.xml | 7 +------
   sandbox/thread_safe_signals/trunk/libs/signals2/doc/reference/slot_base.xml | 7 +------
   sandbox/thread_safe_signals/trunk/libs/signals2/doc/tutorial.xml | 23 +++++------------------
   5 files changed, 10 insertions(+), 38 deletions(-)

Modified: sandbox/thread_safe_signals/trunk/libs/signals2/doc/faq.xml
==============================================================================
--- sandbox/thread_safe_signals/trunk/libs/signals2/doc/faq.xml (original)
+++ sandbox/thread_safe_signals/trunk/libs/signals2/doc/faq.xml 2008-09-29 16:40:36 EDT (Mon, 29 Sep 2008)
@@ -110,11 +110,6 @@
             </para>
           </listitem>
           <listitem>
- <para>User-defined combiners are now expected to handle the possibility of a slot throwing an
- <classname>expired_slot</classname> exception due to automatic disconnection.
- </para>
- </listitem>
- <listitem>
             <para><code>boost::visit_each</code>, which was used to find <code>boost::trackable</code> objects,
               is gone.
             </para>

Modified: sandbox/thread_safe_signals/trunk/libs/signals2/doc/reference/last_value.xml
==============================================================================
--- sandbox/thread_safe_signals/trunk/libs/signals2/doc/reference/last_value.xml (original)
+++ sandbox/thread_safe_signals/trunk/libs/signals2/doc/reference/last_value.xml 2008-09-29 16:40:36 EDT (Mon, 29 Sep 2008)
@@ -28,7 +28,7 @@
             </parameter>
 
             <effects><para>Attempts to dereference every iterator in the sequence <computeroutput>[first, last)</computeroutput>.
- Swallows <classname>expired_slot</classname> exceptions thrown by failed dereference attempts.</para></effects>
+ </para></effects>
             <returns><para>The result of the last successful iterator dereference.</para></returns>
             <throws><para><classname>no_slots_error</classname> if no iterators were successfully dereferenced,
             unless the template type of <code>last_value</code> is <code>void</code> or <code>optional&lt;T&gt;</code>.</para></throws>
@@ -62,7 +62,7 @@
             </parameter>
 
             <effects><para>Attempts to dereference every iterator in the sequence <computeroutput>[first, last)</computeroutput>.
- Swallows <classname>expired_slot</classname> exceptions thrown by failed dereference attempts.</para></effects>
+ </para></effects>
           </method>
         </method-group>
       </class-specialization>
@@ -95,7 +95,7 @@
             </parameter>
 
             <effects><para>Attempts to dereference every iterator in the sequence <computeroutput>[first, last)</computeroutput>.
- Swallows <classname>expired_slot</classname> exceptions thrown by failed dereference attempts.</para></effects>
+ </para></effects>
             <returns><para>An <code>optional&lt;T&gt;</code> containing the result of the last successful iterator dereference,
             or an uninitalized <code>optional&lt;T&gt;</code> if no iterators were successfully dereferenced.</para></returns>
           </method>

Modified: sandbox/thread_safe_signals/trunk/libs/signals2/doc/reference/signal_header.xml
==============================================================================
--- sandbox/thread_safe_signals/trunk/libs/signals2/doc/reference/signal_header.xml (original)
+++ sandbox/thread_safe_signals/trunk/libs/signals2/doc/reference/signal_header.xml 2008-09-29 16:40:36 EDT (Mon, 29 Sep 2008)
@@ -276,12 +276,7 @@
             iterator in this range causes a slot call with the given set
             of parameters <computeroutput>(a1, a2, ...,
             aN)</computeroutput>, the result of which is returned from
- the iterator dereference operation. Note, dereferencing
- a slot iterator may throw a <classname>expired_slot</classname>
- exception, if the slot has been disconnected via automatic
- connection management. Combiners should simply swallow
- such <classname>expired_slot</classname> exceptions and move
- on to the next slot.</para></effects>
+ the iterator dereference operation.</para></effects>
 
             <returns><para>The result returned by the combiner.</para></returns>
 

Modified: sandbox/thread_safe_signals/trunk/libs/signals2/doc/reference/slot_base.xml
==============================================================================
--- sandbox/thread_safe_signals/trunk/libs/signals2/doc/reference/slot_base.xml (original)
+++ sandbox/thread_safe_signals/trunk/libs/signals2/doc/reference/slot_base.xml 2008-09-29 16:40:36 EDT (Mon, 29 Sep 2008)
@@ -41,12 +41,7 @@
         <inherit access="public"><classname>bad_weak_ptr</classname></inherit>
         <purpose>Indicates at least one of a slot's tracked objects has expired.</purpose>
         <description>The <code>expired_slot</code> exception is thrown to indicate at least one of
- a slot's tracked objects has expired. A <classname alt="signalN">signal</classname>
- will automatically disconnect any slot which throws this exception during
- signal invocation. Combiners
- that wish to support disconnection via expired_slot exceptions should be
- prepared to handle <code>expired_slot</code> exceptions thrown
- by the slot iterator dereference operation.
+ a slot's tracked objects has expired.
         </description>
         <method name="what" cv="const" specifiers="virtual">
           <type>const char * </type>

Modified: sandbox/thread_safe_signals/trunk/libs/signals2/doc/tutorial.xml
==============================================================================
--- sandbox/thread_safe_signals/trunk/libs/signals2/doc/tutorial.xml (original)
+++ sandbox/thread_safe_signals/trunk/libs/signals2/doc/tutorial.xml 2008-09-29 16:40:36 EDT (Mon, 29 Sep 2008)
@@ -476,13 +476,8 @@
     // default-constructed value
     T max_value = T();
     while (first != last) {
- try {
- if (max_value &lt; *first)
- max_value = *first;
- }
- // Iterator dereference may throw boost::signals2::expired_slot if the
- // slot has expired due to automatic connection management.
- catch(const boost::signals2::expired_slot &amp;) {}
+ if (max_value &lt; *first)
+ max_value = *first;
       ++first;
     }
 
@@ -559,10 +554,7 @@
     Container values;
 
     while(first != last) {
- try {
- values.push_back(*first);
- }
- catch(const boost::signals2::expired_slot &amp;) {}
+ values.push_back(*first);
       ++first;
     }
     return values;
@@ -647,11 +639,8 @@
   result_type operator()(InputIterator first, InputIterator last) const
   {
     while (first != last) {
- try {
- if (result_type fulfilled = *first)
- return fulfilled;
- }
- catch(const boost::signals2::expired_slot &amp;) {}
+ if (result_type fulfilled = *first)
+ return fulfilled;
       ++first;
     }
     return 0;
@@ -916,8 +905,6 @@
 <code>scoped_connection</code>'s destructor.</para></listitem>
 <listitem><para>An object tracked by the slot is
 destroyed.</para></listitem>
-<listitem><para>A slot throws a <classname>boost::signals2::expired_slot</classname> exception.
-</para></listitem>
 <listitem><para>The signal is destroyed.</para></listitem></itemizedlist>
 <para>These events can occur at any time without disrupting a signal's
 calling sequence. If a signal/slot connection is disconnected at


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