Adding Code for Linux

osal/linux/Timer.h

@@ -0,0 +1,45 @@
+#ifndef FRAMEWORK_OSAL_LINUX_TIMER_H_
+#define FRAMEWORK_OSAL_LINUX_TIMER_H_
+
+#include <signal.h>
+#include <time.h>
+#include <stdint.h>
+
+/**
+ * This class is a helper for the creation of a Clock Monotonic timer which does not trigger a signal
+ */
+class Timer {
+public:
+	/**
+	 * Creates the Timer sets the timerId Member
+	 */
+	Timer();
+	/**
+	 * Deletes the timer
+	 *
+	 * Careful! According to POSIX documentation:
+	 * The treatment of any pending signal generated by the deleted timer is unspecified.
+	 */
+	virtual ~Timer();
+
+	/**
+	 * Set the timer given in timerId to the given interval
+	 *
+	 * @param intervalMs Interval in ms to be set
+	 * @return 0 on Success 1 else
+	 */
+	int setTimer(uint32_t intervalMs);
+
+	/**
+	 * Get the remaining time of the timer
+	 *
+	 * @param remainingTimeMs Pointer to integer value which is used to return the remaining time
+	 * @return 0 on Success 1 else (see timer_getime documentation of posix function)
+	 */
+	int getTimer(uint32_t* remainingTimeMs);
+
+private:
+	timer_t timerId;
+};
+
+#endif /* FRAMEWORK_OSAL_LINUX_TIMER_H_ */