1 /*
2  * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without modification,
6  * are permitted provided that the following conditions are met:
7  *
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.
15  *
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
25  * OF SUCH DAMAGE.
26  *
27  * This file is part of the lwIP TCP/IP stack.
28  *
29  * Author: Adam Dunkels <adam@sics.se>
30  *
31  */
32 #ifndef LWIP_ARCH_SYS_ARCH_H
33 #define LWIP_ARCH_SYS_ARCH_H
34 
35 #include <errno.h>
36 #include "aos/kernel.h"
37 
38 #define SYS_MBOX_NULL NULL
39 #define SYS_SEM_NULL  NULL
40 
41 struct sys_mbox_msg {
42     struct sys_mbox_msg *next;
43     void *msg;
44 };
45 
46 typedef aos_sem_t sys_sem_t;
47 
48 #define sys_sem_valid(sem)           aos_sem_is_valid(sem)
49 #define sys_sem_set_invalid(sem)     do { if(sem != NULL) { *sem = NULL; }}while(0)
50 
51 typedef u32_t sys_prot_t;
52 
53 typedef aos_mutex_t sys_mutex_t;
54 #define sys_mutex_valid(mutex)       aos_mutex_is_valid(mutex)
55 #define sys_mutex_set_invalid(mutex) do { if(mutex != NULL) { *mutex = NULL; }}while(0)
56 
57 #ifndef LWIP_MAILBOX_QUEUE
58 #define SYS_MBOX_SIZE 128
59 
60 struct sys_mbox {
61     int first, last;
62     void *msgs[SYS_MBOX_SIZE];
63     sys_sem_t not_empty;
64     sys_sem_t not_full;
65     sys_sem_t mutex;
66     int wait_send;
67 };
68 
69 typedef struct sys_mbox *sys_mbox_t;
70 #define sys_mbox_valid(mbox)       #error TODO:impl
71 #define sys_mbox_set_invalid(mbox) #error TODO:impl
72 #else
73 typedef aos_queue_t sys_mbox_t;
74 #define sys_mbox_valid(mbox)       aos_queue_is_valid(mbox)
75 #define sys_mbox_set_invalid(mbox) do { if(mbox != NULL) { *mbox = NULL; }}while(0)
76 #endif
77 
78 typedef void *sys_thread_t;
79 
80 #endif /* LWIP_ARCH_SYS_ARCH_H */
81 
82