[oneTBB] Fix flow graph inaccuracies (#367)

* fix inaccuracy
* fix spaces and reset
* fix reset note

Signed-off-by: ilya.mishin <[email protected]>

Author: Iliamish

source/elements/oneTBB/source/flow_graph/graph_cls.rst

@@ -63,6 +63,10 @@ Member functions
     Resets the graph according to the specified flags.
     Flags to ``reset()`` can be combined with bitwise-``or``.
 
+    .. note::
+
+        ``reset()`` is a thread-unsafe operation, don't call it concurrently.
+
 .. cpp:function:: void cancel()
 
     Cancels all tasks in the graph.

source/elements/oneTBB/source/flow_graph/indexer_node_cls.rst

@@ -60,7 +60,7 @@ a reference to a specific input port.
 Member types
 ------------
 
-* ``input_ports_type`` is an alias to a tuple of input ports.
+* ``input_ports_type`` is an alias to a ``std::tuple`` of input ports.
 * ``output_type`` is an alias to the message of type ``tagged_msg``, which is sent to successors.
 
 Member functions

source/elements/oneTBB/source/flow_graph/input_node_cls.rst

@@ -34,7 +34,7 @@ result to all of its successors.
 
 Requirements:
 
-* The ``Output`` type must meet the `CopyConstructible` requirements from [copyconstructible] and
+* The ``Output`` type must meet the `DefaultConstructible` requirements from [defaultconstructible], `CopyConstructible` requirements from [copyconstructible] and
   `CopyAssignable`  requirements from [copyassignable] ISO C++ Standard sections.
 * The type ``Body`` must meet the :doc:`InputNodeBody requirements <../named_requirements/flow_graph/input_node_body>`.
 

source/elements/oneTBB/source/flow_graph/message_flow_graph_example.rst

@@ -19,7 +19,7 @@ the figure below.
 Each value enters through the ``broadcast_node<int>`` ``input``. This node broadcasts the value to both
 ``squarer`` and ``cuber``, which calculate ``x*x`` and ``x*x*x``, respectively. The output of each
 of these nodes is put to one of ``join``'s ports. A tuple containing both values is
-created by ``join_node< tuple<int,int> > join`` and forwarded to ``summer``, which adds both
+created by ``join_node<std::tuple<int,int>> join`` and forwarded to ``summer``, which adds both
 values to the running total. Both ``squarer`` and ``cuber`` allow unlimited concurrency, that is they each
 may process multiple values simultaneously. The final ``summer``, which updates a shared total, is only allowed
 to process a single incoming tuple at a time, eliminating the need for a lock around the shared value.
@@ -43,7 +43,7 @@ to process a single incoming tuple at a time, eliminating the need for a lock ar
       int &my_sum;
     public:
       sum( int &s ) : my_sum(s) {}
-      int operator()( tuple< int, int > v ) {
+      int operator()( std::tuple<int, int> v ) {
         my_sum += get<0>(v) + get<1>(v);
         return my_sum;
       }
@@ -56,8 +56,8 @@ to process a single incoming tuple at a time, eliminating the need for a lock ar
       broadcast_node<int> input(g);
       function_node<int,int> squarer( g, unlimited, square() );
       function_node<int,int> cuber( g, unlimited, cube() );
-      join_node< tuple<int,int>, queueing > join( g );
-      function_node<tuple<int,int>,int>
+      join_node<std::tuple<int,int>, queueing> join( g );
+      function_node<std::tuple<int,int>,int>
           summer( g, serial, sum(result) );
 
       make_edge( input, squarer );

source/elements/oneTBB/source/flow_graph/multifunc_node_cls.rst

@@ -65,7 +65,7 @@ used to obtain an updated copy.
 Member types
 ------------
 
-``output_ports_type`` is an alias to a tuple of output ports.
+``output_ports_type`` is an alias to a ``std::tuple`` of output ports.
 
 Member functions
 ----------------
@@ -131,4 +131,4 @@ it.
 
     output_ports_type& output_ports();
 
-**Returns:** a tuple of output ports.
+**Returns:** a ``std::tuple`` of output ports.

source/elements/oneTBB/source/flow_graph/overwrite_node_cls.rst

@@ -60,7 +60,7 @@ Member functions
 .. cpp:function:: overwrite_node( const overwrite_node &src )
 
     Constructs an object of type ``overwrite_node`` that belongs to the graph ``g`` with an invalid
-    internal buffer item. The buffered value and list of successors are not copied from ``src``.
+    internal buffer item. The buffered value and list of successors and predecessors are not copied from ``src``.
 
 .. cpp:function:: ~overwrite_node( )
 

source/elements/oneTBB/source/flow_graph/priority_queue_node_cls.rst

@@ -19,7 +19,6 @@ A class template that forwards messages in a priority order.
         template< typename T, typename Compare = std::less<T>>
         class priority_queue_node : public graph_node, public receiver<T>, public sender<T> {
         public:
-            typedef size_t size_type;
             explicit priority_queue_node( graph &g );
             priority_queue_node( const priority_queue_node &src );
             ~priority_queue_node();

source/elements/oneTBB/source/flow_graph/split_node_cls.rst

@@ -7,7 +7,7 @@ split_node
 ==========
 **[flow_graph.split_node]**
 
-A ``split_node`` sends each element of the incoming tuple to the output port that matches the element index
+A ``split_node`` sends each element of the incoming ``std::tuple`` to the output port that matches the element index
 in the incoming tuple.
 
 .. code:: cpp
@@ -76,4 +76,4 @@ Member functions
 
 .. cpp:function:: output_ports_type& output_ports()
 
-  **Returns**: a tuple of output ports.
+  **Returns**: a ``std::tuple`` of output ports.