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+//
+// TaskTimer.h - MrsWatson
+// Created by Nik Reiman on 1/5/12.
+// Copyright (c) 2012 Teragon Audio. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+//
+// * Redistributions of source code must retain the above copyright notice,
+// this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above copyright notice,
+// this list of conditions and the following disclaimer in the documentation
+// and/or other materials provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+// POSSIBILITY OF SUCH DAMAGE.
+//
+
+#ifndef MrsWatson_TaskTimer_h
+#define MrsWatson_TaskTimer_h
+
+#include "base/CharString.h"
+
+#if UNIX
+#include <sys/time.h>
+#endif
+
+typedef struct {
+ CharString component;
+ CharString subcomponent;
+ boolByte enabled;
+ boolByte _running;
+ double totalTaskTime;
+
+#if WINDOWS
+ LARGE_INTEGER startTime;
+ double counterFrequency;
+#elif UNIX
+ struct timeval startTime;
+#endif
+} TaskTimerMembers;
+typedef TaskTimerMembers *TaskTimer;
+
+/**
+ * Create a new task timer.
+ * @param component Component name which this timer belongs to. NULL or empty
+ * string may be passed for this argument.
+ * @param subcomponent Subcomponent which this timer is measured. NULL or empty
+ * string may be passed for this argument.
+ * @return Initialized instance
+ */
+TaskTimer newTaskTimer(const CharString component, const char *subcomponent);
+
+/**
+ * Create a new task timer.
+ * @param component Component name which this timer belongs to. NULL or empty
+ * string may be passed for this argument.
+ * @param subcomponent Subcomponent which this timer is measured. NULL or empty
+ * string may be passed for this argument.
+ * @return Initialized instance
+ */
+TaskTimer newTaskTimerWithCString(const char *component, const char *subcomponent);
+
+/**
+ * Start the timer. Timers may be stopped and started multiple times.
+ * @param self
+ */
+void taskTimerStart(TaskTimer self);
+
+/**
+ * Stop the timer. Timers may be stopped and started multiple times.
+ * @param self
+ * @return Time used since last call to taskTimerStart()
+ */
+double taskTimerStop(TaskTimer self);
+
+/**
+ * Get the string representation of the total accumulated time for this timer.
+ * @param self
+ * @return Formatted string, which the caller must free themselves when finished
+ */
+CharString taskTimerHumanReadbleString(TaskTimer self);
+
+/**
+ * Suspend execution for a given amount of milliseconds. Depending on the host
+ * operating system, the amount of time actually slept may differ slightly from
+ * the requested amount.
+ * @param milliseconds Number of milliseconds to sleep
+ */
+void taskTimerSleep(const double milliseconds);
+
+/**
+ * Free a task timer and its associated resources
+ * @param self
+ */
+void freeTaskTimer(TaskTimer self);
+
+#endif