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Commit 37fb456b authored by Davis King's avatar Davis King
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clarified spec

parent f6b0c1aa
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Showing with 24 additions and 11 deletions
dlib/bsp/bsp_abstract.h
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...@@ -110,10 +110,14 @@ namespace dlib ...@@ -110,10 +110,14 @@ namespace dlib
- #item == the next message which was sent to the calling processing - #item == the next message which was sent to the calling processing
node. node.
- else - else
- There were no other messages to receive and all other processing - The following must have been true for this function to return false:
nodes are blocked on calls to receive() or have terminated. That is, - All other nodes were blocked on calls to receive() or terminated.
receive() waits for all other nodes to be in a state which can't - There were not any messages in flight between any nodes.
generate new messages before it returns false). - That is, if all the nodes had continued to block on receive()
then they all would have blocked forever. Therefore, this
function only returns once there are no more messages to process
by any any node and there is no possibility of more being
generated until control is returned to the callers of receive().
throws throws
- dlib::socket_error: - dlib::socket_error:
This exception is thrown if some error occurs which prevents us from This exception is thrown if some error occurs which prevents us from
...@@ -140,10 +144,14 @@ namespace dlib ...@@ -140,10 +144,14 @@ namespace dlib
- #sending_node_id == the node id of the node that sent this message. - #sending_node_id == the node id of the node that sent this message.
- #sending_node_id < number_of_nodes() - #sending_node_id < number_of_nodes()
- else - else
- There were no other messages to receive and all other processing - The following must have been true for this function to return false:
nodes are blocked on calls to receive() or have terminated. That is, - All other nodes were blocked on calls to receive() or terminated.
receive() waits for all other nodes to be in a state which can't - There were not any messages in flight between any nodes.
generate new messages before it returns false). - That is, if all the nodes had continued to block on receive()
then they all would have blocked forever. Therefore, this
function only returns once there are no more messages to process
by any any node and there is no possibility of more being
generated until control is returned to the callers of receive().
throws throws
- dlib::socket_error: - dlib::socket_error:
This exception is thrown if some error occurs which prevents us from This exception is thrown if some error occurs which prevents us from
...@@ -159,9 +167,14 @@ namespace dlib ...@@ -159,9 +167,14 @@ namespace dlib
); );
/*! /*!
ensures ensures
- simply waits for all other nodes to become blocked on calls to receive() - Wait for the following to all be true.
or to terminate (i.e. waits for other nodes to be in a state that can't - All other nodes are blocked on calls to receive() or have terminated.
send messages). - There are not any messages in flight between any nodes.
- That is, if all the nodes had continued to block on receive() then
they all would have blocked forever. Therefore, this function only
returns once there are no more messages to process by any any node
and there is no possibility of more being generated until control is
returned to the callers of receive().
throws throws
- dlib::socket_error: - dlib::socket_error:
This exception is thrown if some error occurs which prevents us from This exception is thrown if some error occurs which prevents us from
......
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