1 files changed, 0 insertions, 126 deletions
diff --git a/tools/gator/daemon/Fifo.cpp b/tools/gator/daemon/Fifo.cpp
deleted file mode 100644
index bbfc9198b30..00000000000
--- a/tools/gator/daemon/Fifo.cpp
+++ /dev/null
@@ -1,126 +0,0 @@
-/**
- * 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.
- */
-
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include "Fifo.h"
-#include "Logging.h"
-
-extern void handleException();
-
-// bufferSize is the amount of data to be filled
-// singleBufferSize is the maximum size that may be filled during a single write
-// (bufferSize + singleBufferSize) will be allocated
-Fifo::Fifo(int singleBufferSize, int bufferSize) {
-	mWrite = mRead = mReadCommit = mRaggedEnd = 0;
-	mWrapThreshold = bufferSize;
-	mSingleBufferSize = singleBufferSize;
-	mBuffer = (char*)valloc(bufferSize + singleBufferSize);
-	mEnd = false;
-
-	if (mBuffer == NULL) {
-		logg->logError(__FILE__, __LINE__, "failed to allocate %d bytes", bufferSize + singleBufferSize);
-		handleException();
-	}
-
-	if (sem_init(&mWaitForSpaceSem, 0, 0) || sem_init(&mWaitForDataSem, 0, 0)) {
-		logg->logError(__FILE__, __LINE__, "sem_init() failed");
-		handleException();
-	}
-}
-
-Fifo::~Fifo() {
-	free(mBuffer);
-}
-
-int Fifo::numBytesFilled() {
-	return mWrite - mRead + mRaggedEnd;
-}
-
-char* Fifo::start() {
-	return mBuffer;
-}
-
-bool Fifo::isEmpty() {
-	return mRead == mWrite;
-}
-
-bool Fifo::isFull() {
-	return willFill(0);
-}
-
-// Determines if the buffer will fill assuming 'additional' bytes will be added to the buffer
-// comparisons use '<', read and write pointers must never equal when not empty
-// 'full' means there is less than singleBufferSize bytes available; it does not mean there are zero bytes available
-bool Fifo::willFill(int additional) {
-	if (mWrite > mRead) {
-		if (numBytesFilled() + additional < mWrapThreshold) {
-			return false;
-		}
-	} else {
-		if (numBytesFilled() + additional < mWrapThreshold - mSingleBufferSize) {
-			return false;
-		}
-	}
-	return true;
-}
-
-// This function will stall until contiguous singleBufferSize bytes are available
-char* Fifo::write(int length) {
-	if (length <= 0) {
-		length = 0;
-		mEnd = true;
-	}
-
-	// update the write pointer
-	mWrite += length;
-
-	// handle the wrap-around
-	if (mWrite >= mWrapThreshold) {
-		mRaggedEnd = mWrite;
-		mWrite = 0;
-	}
-
-	// send a notification that data is ready
-	sem_post(&mWaitForDataSem);
-
-	// wait for space
-	while (isFull()) {
-		sem_wait(&mWaitForSpaceSem);
-	}
-
-	return &mBuffer[mWrite];
-}
-
-// This function will stall until data is available
-char* Fifo::read(int* length) {
-	// update the read pointer now that the data has been handled
-	mRead = mReadCommit;
-
-	// handle the wrap-around
-	if (mRead >= mWrapThreshold) {
-		mRaggedEnd = mRead = mReadCommit = 0;
-	}
-
-	// send a notification that data is free (space is available)
-	sem_post(&mWaitForSpaceSem);
-
-	// wait for data
-	while (isEmpty() && !mEnd) {
-		sem_wait(&mWaitForDataSem);
-	}
-
-	// obtain the length
-	do {
-		mReadCommit = mRaggedEnd ? mRaggedEnd : mWrite;
-		*length = mReadCommit - mRead;
-	} while (*length < 0); // plugs race condition without using semaphores
-
-	return &mBuffer[mRead];
-}