2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
27 * This file is part of the lwIP TCP/IP stack.
29 * Author: Adam Dunkels <adam@sics.se>
33 #ifndef __LWIP_TIMERS_H__
34 #define __LWIP_TIMERS_H__
38 /* Timers are not supported when NO_SYS==1 and NO_SYS_NO_TIMERS==1 */
39 #define LWIP_TIMERS (!NO_SYS || (NO_SYS && !NO_SYS_NO_TIMERS))
52 #ifndef LWIP_DEBUG_TIMERNAMES
54 #define LWIP_DEBUG_TIMERNAMES SYS_DEBUG
55 #else /* LWIP_DEBUG */
56 #define LWIP_DEBUG_TIMERNAMES 0
57 #endif /* LWIP_DEBUG*/
60 /** Function prototype for a timeout callback function. Register such a function
61 * using sys_timeout().
63 * @param arg Additional argument to pass to the function - set up by sys_timeout()
65 typedef void (* sys_timeout_handler)(void *arg);
68 struct sys_timeo *next;
70 sys_timeout_handler h;
72 #if LWIP_DEBUG_TIMERNAMES
73 const char* handler_name;
74 #endif /* LWIP_DEBUG_TIMERNAMES */
77 void sys_timeouts_init(void);
79 #if LWIP_DEBUG_TIMERNAMES
80 void sys_timeout_debug(u32_t msecs, sys_timeout_handler handler, void *arg, const char* handler_name);
81 #define sys_timeout(msecs, handler, arg) sys_timeout_debug(msecs, handler, arg, #handler)
82 #else /* LWIP_DEBUG_TIMERNAMES */
83 void sys_timeout(u32_t msecs, sys_timeout_handler handler, void *arg);
84 #endif /* LWIP_DEBUG_TIMERNAMES */
86 void sys_untimeout(sys_timeout_handler handler, void *arg);
88 void sys_check_timeouts(void);
89 void sys_restart_timeouts(void);
91 void sys_timeouts_mbox_fetch(sys_mbox_t *mbox, void **msg);
99 #endif /* LWIP_TIMERS */
100 #endif /* __LWIP_TIMERS_H__ */