From 3a4838bed13b767132cbdf06364b2658da6cc356 Mon Sep 17 00:00:00 2001
From: chatty
Date: Tue, 15 Dec 1992 10:55:33 +0000
Subject: Initial revision

---
 utils/Timer.h | 83 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 utils/Timer.h

(limited to 'utils/Timer.h')

diff --git a/utils/Timer.h b/utils/Timer.h
new file mode 100644
index 0000000..d361802
--- /dev/null
+++ b/utils/Timer.h
@@ -0,0 +1,83 @@
+/*
+ *	CENA C++ Utilities
+ *
+ *	by Stephane Chatty
+ *
+ *	Copyright 1992
+ *	Centre d'Etudes de la Navigation Aerienne (CENA)
+ *
+ *	timers
+ *
+ *	$Id$
+ *	$CurLog$
+ */
+
+#ifndef Timer_H_
+#define Timer_H_
+
+#include "cplus_bugs.h"
+#include "Time.h"
+
+class CcuSignalHandler;
+#if 0
+template <class ITEM> class CcuListOf;
+#else
+#include "List.h"
+#endif
+
+class CcuBaseTimer {
+public:
+		enum timer_status	{ Active, Inactive };
+
+private:
+static	CcuSignalHandler*	TimeOutHandler;
+static	CcuBaseTimer*	FirstActive;
+#ifndef CPLUS_BUG19
+static	CcuListOf <CcuBaseTimer>*	OtherActive;
+#else
+static	CcuList*	OtherActive;
+#endif
+
+static	void	ClassInit ();
+static	void	HandleSignal (int);
+static	void	SetAlarm (Millisecond);
+static	void	StopAlarm ();
+static	CcuBaseTimer*	ExtractNextActive ();
+static	int	IsInactive (CcuBaseTimer*);
+
+	Millisecond	NextDate;
+	Millisecond	Period;
+	int		PulsesLeft;
+	timer_status Status;
+
+	void	Activate ();
+	void	Schedule (Millisecond);
+	void	Reschedule ();
+
+protected:
+virtual	void	Handle (Millisecond);
+
+public:	
+		CcuBaseTimer (Millisecond, int = -1);
+virtual		~CcuBaseTimer ();
+	void	ChangePeriod (Millisecond first);
+	void	Stop ();
+	void	Restart ();
+	void	Wait ();
+inline	Millisecond	GetPeriod () const		{ return Period; }
+inline	int		GetNbPulses () const		{ return PulsesLeft; }
+inline	timer_status	GetStatus () const		{ return Status; }
+};
+
+class CcuTimer : public CcuBaseTimer {
+protected:
+	void	(*Handler) (Millisecond);
+	void	Handle (Millisecond);
+
+public:
+		CcuTimer (Millisecond, void (*) (Millisecond), int = -1);
+		~CcuTimer ();
+};
+
+#endif	/* Timer_H_ */
+
-- 
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