1 files changed, 56 insertions, 0 deletions
diff --git a/src/libs/callback/alarm.h b/src/libs/callback/alarm.h
new file mode 100644
index 0000000..9f61263
--- /dev/null
+++ b/src/libs/callback/alarm.h
@@ -0,0 +1,56 @@
+/*
+ *  Copyright 2006  Serge van den Boom <svdb@stack.nl>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef LIBS_CALLBACK_ALARM_H_
+#define LIBS_CALLBACK_ALARM_H_
+
+#include "port.h"
+#include "types.h"
+
+typedef uint32 AlarmTime;
+static inline uint32
+alarmTimeToMsUint32(AlarmTime time) {
+	return (uint32) time;
+}
+
+typedef struct Alarm Alarm;
+typedef void *AlarmCallbackArg;
+typedef void (*AlarmCallback)(AlarmCallbackArg arg);
+
+struct Alarm {
+	size_t index;
+			// For the HeapValue 'base struct'.
+
+	AlarmTime time;
+	AlarmCallback callback;
+	AlarmCallbackArg arg;
+};
+
+void Alarm_init(void);
+void Alarm_uninit(void);
+Alarm *Alarm_addAbsoluteMs(uint32 ms, AlarmCallback callback,
+		AlarmCallbackArg arg);
+Alarm *Alarm_addRelativeMs(uint32 ms, AlarmCallback callback,
+		AlarmCallbackArg arg);
+void Alarm_remove(Alarm *alarm);
+bool Alarm_processOne(void);
+void Alarm_processAll(void);
+uint32 Alarm_timeBeforeNextMs(void);
+
+#endif  /* LIBS_CALLBACK_ALARM_H_ */
+