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This file is part of Logtalk <https://logtalk.org/>  
Copyright 1998-2019 Paulo Moura <pmoura@logtalk.org>

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
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% start by loading the example and the required library files:

| ?- logtalk_load(buffer(loader)).
...


% start the producer and the consumer, each one running in its own thread:

| ?- threaded_ignore(producer(2)::run(25)), threaded_ignore(consumer(5)::run(25)).

 produced item 0 (1/7 items in the buffer)
 consumed item 0 (0/7 items in the buffer)
 produced item 1 (1/7 items in the buffer)
 produced item 2 (2/7 items in the buffer)
 produced item 3 (3/7 items in the buffer)
 produced item 4 (4/7 items in the buffer)
 consumed item 1 (3/7 items in the buffer)
 produced item 5 (4/7 items in the buffer)
 produced item 6 (5/7 items in the buffer)
 produced item 7 (6/7 items in the buffer)
 consumed item 2 (5/7 items in the buffer)
 produced item 8 (6/7 items in the buffer)
 consumed item 3 (5/7 items in the buffer)
 produced item 9 (6/7 items in the buffer)
 consumed item 4 (5/7 items in the buffer)
 produced item 10 (6/7 items in the buffer)
 consumed item 5 (5/7 items in the buffer)
 produced item 11 (6/7 items in the buffer)
 produced item 12 (7/7 items in the buffer)
 consumed item 6 (6/7 items in the buffer)
 produced item 13 (7/7 items in the buffer)
 consumed item 7 (6/7 items in the buffer)
 produced item 14 (7/7 items in the buffer)
 consumed item 8 (6/7 items in the buffer)
 produced item 15 (7/7 items in the buffer)
 consumed item 9 (6/7 items in the buffer)
 produced item 16 (7/7 items in the buffer)
 consumed item 10 (6/7 items in the buffer)
 produced item 17 (7/7 items in the buffer)
 consumed item 11 (6/7 items in the buffer)
 produced item 18 (7/7 items in the buffer)
 consumed item 12 (6/7 items in the buffer)
 produced item 19 (7/7 items in the buffer)
 consumed item 13 (6/7 items in the buffer)
 produced item 20 (7/7 items in the buffer)
 consumed item 14 (6/7 items in the buffer)
 produced item 21 (7/7 items in the buffer)
 consumed item 15 (6/7 items in the buffer)
 produced item 22 (7/7 items in the buffer)
 consumed item 16 (6/7 items in the buffer)
 produced item 23 (7/7 items in the buffer)
 consumed item 17 (6/7 items in the buffer)
 produced item 24 (7/7 items in the buffer)
 consumed item 18 (6/7 items in the buffer)
 consumed item 19 (5/7 items in the buffer)
 consumed item 20 (4/7 items in the buffer)
 consumed item 21 (3/7 items in the buffer)
 consumed item 22 (2/7 items in the buffer)
 consumed item 23 (1/7 items in the buffer)
 consumed item 24 (0/7 items in the buffer)
