MME2 changes - Propped commits from openmme/paging branch. Added scripts
for code gen
Change-Id: Ie55032217232214ac8544ca76ea34335205329e4
diff --git a/include/cmn/blockingCircularFifo.h b/include/cmn/blockingCircularFifo.h
new file mode 100644
index 0000000..41069d7
--- /dev/null
+++ b/include/cmn/blockingCircularFifo.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2019, Infosys Ltd.
+ *
+ * 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.
+ */
+
+#ifndef INCLUDE_CMN_BLOCKINGCIRCULARFIFO_H_
+#define INCLUDE_CMN_BLOCKINGCIRCULARFIFO_H_
+
+#include <cstddef>
+#include <semaphore.h>
+#include "circularFifo.h"
+
+namespace cmn {
+ namespace utils {
+
+ template<typename Element, size_t size>
+ class BlockingCircularFifo
+ {
+ public:
+ BlockingCircularFifo():circularQueue()
+ {
+ sem_init(&pop_semaphore, 0, 0);
+ sem_init(&push_semaphore, 0, size);
+ }
+
+ ~BlockingCircularFifo()
+ {
+ sem_destroy(&pop_semaphore);
+ sem_destroy(&push_semaphore);
+ }
+
+ bool push(Element* item)
+ {
+ sem_wait(&push_semaphore);
+ bool ret = circularQueue.push(item);
+ if (ret)
+ sem_post(&pop_semaphore);
+ else
+ sem_post(&push_semaphore);
+ return ret;
+ }
+
+ bool pop(Element*& item)
+ {
+ sem_wait(&pop_semaphore);
+ bool ret = circularQueue.pop(item);
+ if (ret)
+ sem_post(&push_semaphore);
+ else
+ sem_post(&pop_semaphore);
+ return ret;
+ }
+
+ private:
+ CircularFifo<Element, size> circularQueue;
+ sem_t pop_semaphore;
+ sem_t push_semaphore;
+ };
+ }
+}
+#endif /* INCLUDE_CMN_BLOCKINGCIRCULARFIFO_H_ */