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slmodemd/modem_timer.h

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+
+/*
+ *
+ *    Copyright (c) 2002, Smart Link Ltd.
+ *    All rights reserved.
+ *
+ *    Redistribution and use in source and binary forms, with or without
+ *    modification, are permitted provided that the following conditions
+ *    are met:
+ *
+ *        1. Redistributions of source code must retain the above copyright
+ *           notice, this list of conditions and the following disclaimer.
+ *        2. 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.
+ *        3. Neither the name of the Smart Link Ltd. nor the names of its
+ *           contributors may be used to endorse or promote products derived
+ *           from this software without specific prior written permission.
+ *
+ *    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
+ *    OWNER 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.
+ *
+ */
+
+/*
+ *
+ *    modem_timer.h  --  definitions for simple timer.
+ *
+ *    Author: Sasha K (sashak@smlink.com)
+ *
+ *
+ */
+
+#ifndef __MODEM_TIMER_H__
+#define __MODEM_TIMER_H__
+
+
+#define MODEM_HZ 100
+
+struct timer {
+	struct timer *next;
+	unsigned added;
+	unsigned expires;
+	void (*func)(void *);
+	void *data;
+};
+
+
+#define time_before(t1,t2) ((long)((t2)-(t1)) > 0)
+#define time_after(t1,t2)  (!time_before(t1,t2))
+
+unsigned long get_time(void);
+
+extern void timer_init(struct timer *t);
+extern int timer_add(struct timer *t);
+extern int timer_del(struct timer *t);
+
+extern int modem_timer_init(void);
+
+#endif /* __MODEM_TIMER_H__ */