1 files changed, 73 insertions, 0 deletions
diff --git a/src/lib/testutils/threaded_test.cc b/src/lib/testutils/threaded_test.cc
new file mode 100644
index 0000000..88cb846
--- /dev/null
+++ b/src/lib/testutils/threaded_test.cc
@@ -0,0 +1,73 @@
+// Copyright (C) 2018-2020 Internet Systems Consortium, Inc. ("ISC")
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#include <config.h>
+
+#include <testutils/threaded_test.h>
+
+namespace isc {
+namespace test {
+
+ThreadedTest::ThreadedTest()
+    : thread_(), condvar_(), ready_(false), stopping_(false),
+      stopped_(false) {
+}
+
+void
+ThreadedTest::doSignal(bool& flag) {
+    {
+        std::lock_guard<std::mutex> lock(mutex_);
+        flag = true;
+    }
+    condvar_.notify_one();
+}
+
+void
+ThreadedTest::signalReady() {
+    doSignal(ready_);
+}
+
+void
+ThreadedTest::signalStopping() {
+    doSignal(stopping_);
+}
+
+void
+ThreadedTest::signalStopped() {
+    doSignal(stopped_);
+}
+
+void
+ThreadedTest::doWait(bool& flag) {
+    std::unique_lock<std::mutex> lock(mutex_);
+    while (!flag) {
+        condvar_.wait(lock);
+    }
+}
+
+void
+ThreadedTest::waitReady() {
+    doWait(ready_);
+}
+
+void
+ThreadedTest::waitStopping() {
+    doWait(stopping_);
+}
+
+void
+ThreadedTest::waitStopped() {
+    doWait(stopped_);
+}
+
+bool
+ThreadedTest::isStopping() {
+    std::lock_guard<std::mutex> lock(mutex_);
+    return (stopping_);
+}
+
+} // end of namespace isc::test
+} // end of namespace isc