simple threadpool implementation

[nit.git] / lib / pthreads / examples / threadpool_example.nit

diff --git a/lib/pthreads/examples/threadpool_example.nit b/lib/pthreads/examples/threadpool_example.nit
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+# This file is part of NIT (http://www.nitlanguage.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.
+
+# Simple example using threadpool
+module threadpool_example
+
+import threadpool
+
+# Task printing "hello world" on standard output
+class HWTask
+       super Task
+
+       # Sleeping time
+       var sec: Int
+
+       # id
+       var id: Int
+       redef fun main do
+               print "Hello from {id}"
+               nanosleep(sec, 0)
+               print "World from {id}"
+       end
+end
+
+var tp = new ThreadPool
+for i in 100.times do
+       var t = new HWTask(2.rand, i)
+       tp.execute(t)
+end
+
+nanosleep(20,10)