BIND 10 trac2207, updated. c1e16071d91f9db0b3f78f7a09551c66278ace5e [2207] Documentation update

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- Log -----------------------------------------------------------------
commit c1e16071d91f9db0b3f78f7a09551c66278ace5e
Author: Michal 'vorner' Vaner <michal.vaner at nic.cz>
Date:   Fri Oct 19 19:09:07 2012 +0200

    [2207] Documentation update

-----------------------------------------------------------------------

Summary of changes:
 src/lib/datasrc/memory/zone_table_segment.h |    3 ++-
 src/lib/datasrc/memory/zone_writer.h        |    5 +++++
 2 files changed, 7 insertions(+), 1 deletion(-)

-----------------------------------------------------------------------
diff --git a/src/lib/datasrc/memory/zone_table_segment.h b/src/lib/datasrc/memory/zone_table_segment.h
index 74a3295..8731718 100644
--- a/src/lib/datasrc/memory/zone_table_segment.h
+++ b/src/lib/datasrc/memory/zone_table_segment.h
@@ -138,7 +138,8 @@ public:
     /// \param origin The origin of the zone to reload.
     /// \param rrclass The class of the zone to reload.
     /// \return New instance of a zone writer. The ownership is passed
-    ///     onto the caller.
+    ///     onto the caller and the caller needs to \c delete it when
+    ///     it's done with the writer.
     virtual ZoneWriter* getZoneWriter(const LoadAction& load_action,
                                       const dns::Name& origin,
                                       const dns::RRClass& rrclass) = 0;
diff --git a/src/lib/datasrc/memory/zone_writer.h b/src/lib/datasrc/memory/zone_writer.h
index 8d19473..fe8dc2a 100644
--- a/src/lib/datasrc/memory/zone_writer.h
+++ b/src/lib/datasrc/memory/zone_writer.h
@@ -30,6 +30,11 @@ namespace memory {
 /// We divide them so the update of zone data can be done asynchronously,
 /// in a different thread. The install() operation is the only one that needs
 /// to be done in a critical section.
+///
+/// Each derived class implementation must provide the strong exception
+/// guarantee for each public method. That is, when any of the methods
+/// throws, the entire state should stay the same as before the call
+/// (how to achieve that may be implementation dependant).
 class ZoneWriter {
 public:
     /// \brief Get the zone data into memory.