diff options
Diffstat (limited to 'tools/gator/daemon/Fifo.h')
-rw-r--r-- | tools/gator/daemon/Fifo.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/tools/gator/daemon/Fifo.h b/tools/gator/daemon/Fifo.h new file mode 100644 index 00000000000..548ba278806 --- /dev/null +++ b/tools/gator/daemon/Fifo.h @@ -0,0 +1,33 @@ +/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __FIFO_H__
+#define __FIFO_H__
+
+#include <semaphore.h>
+
+class Fifo {
+public:
+ Fifo(int singleBufferSize, int totalBufferSize);
+ ~Fifo();
+ int numBytesFilled();
+ bool isEmpty();
+ bool isFull();
+ bool willFill(int additional);
+ char* start();
+ char* write(int length);
+ char* read(int* length);
+
+private:
+ int mSingleBufferSize, mWrite, mRead, mReadCommit, mRaggedEnd, mWrapThreshold;
+ sem_t mWaitForSpaceSem, mWaitForDataSem;
+ char* mBuffer;
+ bool mEnd;
+};
+
+#endif //__FIFO_H__
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