1 files changed, 47 insertions, 0 deletions
diff --git a/yardstick/common/process.py b/yardstick/common/process.py
new file mode 100644
index 000000000..812ddea94
--- /dev/null
+++ b/yardstick/common/process.py
@@ -0,0 +1,47 @@
+# Copyright (c) 2017 Intel Corporation
+#
+# 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.
+import logging
+import multiprocessing
+
+import os
+
+LOG = logging.getLogger(__name__)
+
+
+def check_if_process_failed(proc, timeout=1):
+    if proc is not None:
+        proc.join(timeout)
+        # Only abort if the process aborted
+        if proc.exitcode is not None and proc.exitcode > 0:
+            raise RuntimeError("{} exited with status {}".format(proc.name, proc.exitcode))
+
+
+def terminate_children(timeout=3):
+    current_proccess = multiprocessing.current_process()
+    active_children = multiprocessing.active_children()
+    if not active_children:
+        LOG.debug("no children to terminate")
+        return
+    for child in active_children:
+        LOG.debug("%s %s %s, child: %s %s", current_proccess.name, current_proccess.pid,
+                  os.getpid(), child, child.pid)
+        LOG.debug("joining %s", child)
+        child.join(timeout)
+        child.terminate()
+    active_children = multiprocessing.active_children()
+    if not active_children:
+        LOG.debug("no children to terminate")
+    for child in active_children:
+        LOG.debug("%s %s %s, after terminate child: %s %s", current_proccess.name,
+                  current_proccess.pid, os.getpid(), child, child.pid)