| /* |
| * Copyright (c) 2001-2004 Swedish Institute of Computer Science. |
| * 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. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. |
| * |
| * This file is part of the lwIP TCP/IP stack. |
| * |
| * Author: Adam Dunkels <adam@sics.se> |
| * Simon Goldschmidt |
| * |
| */ |
| #ifndef __LWIP_TIMERS_H__ |
| #define __LWIP_TIMERS_H__ |
| |
| #include "lwip/opt.h" |
| |
| /* Timers are not supported when NO_SYS==1 and NO_SYS_NO_TIMERS==1 */ |
| #define LWIP_TIMERS (!NO_SYS || (NO_SYS && !NO_SYS_NO_TIMERS)) |
| |
| #if LWIP_TIMERS |
| |
| #include "lwip/err.h" |
| #if !NO_SYS |
| #include "lwip/sys.h" |
| #endif |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #ifndef LWIP_DEBUG_TIMERNAMES |
| #ifdef LWIP_DEBUG |
| #define LWIP_DEBUG_TIMERNAMES SYS_DEBUG |
| #else /* LWIP_DEBUG */ |
| #define LWIP_DEBUG_TIMERNAMES 0 |
| #endif /* LWIP_DEBUG*/ |
| #endif |
| |
| /** Function prototype for a timeout callback function. Register such a function |
| * using sys_timeout(). |
| * |
| * @param arg Additional argument to pass to the function - set up by sys_timeout() |
| */ |
| typedef void (* sys_timeout_handler)(void *arg); |
| |
| struct sys_timeo { |
| struct sys_timeo *next; |
| u32_t time; |
| sys_timeout_handler h; |
| void *arg; |
| #if LWIP_DEBUG_TIMERNAMES |
| const char* handler_name; |
| #endif /* LWIP_DEBUG_TIMERNAMES */ |
| }; |
| |
| void sys_timeouts_init(void); |
| |
| #if LWIP_DEBUG_TIMERNAMES |
| void sys_timeout_debug(u32_t msecs, sys_timeout_handler handler, void *arg, const char* handler_name); |
| #define sys_timeout(msecs, handler, arg) sys_timeout_debug(msecs, handler, arg, #handler) |
| #else /* LWIP_DEBUG_TIMERNAMES */ |
| void sys_timeout(u32_t msecs, sys_timeout_handler handler, void *arg); |
| #endif /* LWIP_DEBUG_TIMERNAMES */ |
| |
| void sys_untimeout(sys_timeout_handler handler, void *arg); |
| #if NO_SYS |
| void sys_check_timeouts(void); |
| void sys_restart_timeouts(void); |
| #else /* NO_SYS */ |
| void sys_timeouts_mbox_fetch(sys_mbox_t *mbox, void **msg); |
| #endif /* NO_SYS */ |
| |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* LWIP_TIMERS */ |
| #endif /* __LWIP_TIMERS_H__ */ |