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authorPhilippe Langlais <philippe.langlais@stericsson.com>2012-05-24 17:16:17 +0200
committerPhilippe Langlais <philippe.langlais@stericsson.com>2012-05-24 17:16:17 +0200
commit6e1ff8e78958e5ea6871dca4a5ef6076fadcbcc1 (patch)
tree4e17c48118edbe073b49341d95809a8e0b2a8f80 /tools/gator/daemon/Fifo.h
parented6e65a66f3bcf84dff4ff4e680096b7e40076d5 (diff)
parent09f333ed6069575a71fabc999c4dc39b6594d727 (diff)
Merge remote-tracking branch 'armlt/3.3-armlt-gator-5.10' into stable-linux-ux500-3.3ubuntu-release-12-07ubuntu-release-12-06
Conflicts: drivers/Kconfig
Diffstat (limited to 'tools/gator/daemon/Fifo.h')
-rw-r--r--tools/gator/daemon/Fifo.h33
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
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+++ 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__