xref: /third_party/lwip/test/unit/arch/sys_arch.h (revision 195972f6) 
1/*
2 * Copyright (c) 2017 Simon Goldschmidt
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: Simon Goldschmidt
30 *
31 */
32#ifndef LWIP_HDR_TEST_SYS_ARCH_H
33#define LWIP_HDR_TEST_SYS_ARCH_H
34
35typedef int sys_sem_t;
36#define sys_sem_valid(sema) ((sema) != NULL)
37
38typedef int sys_mutex_t;
39#define sys_mutex_valid(mutex) (((mutex) != NULL)
40
41struct lwip_mbox {
42  void* sem;
43  void** q_mem;
44  unsigned int head, tail;
45  int size;
46  int used;
47};
48typedef struct lwip_mbox sys_mbox_t;
49#define SYS_MBOX_NULL NULL
50#define sys_mbox_valid(mbox) ((mbox != NULL) && ((mbox)->sem != NULL)  && ((mbox)->sem != (void*)-1))
51#define sys_mbox_valid_val(mbox) (((mbox).sem != NULL)  && ((mbox).sem != (void*)-1))
52
53/* DWORD (thread id) is used for sys_thread_t but we won't include windows.h */
54typedef u32_t sys_thread_t;
55
56#define SYS_ARCH_DECL_PROTECT(lev)
57#define SYS_ARCH_PROTECT(lev)
58#define SYS_ARCH_UNPROTECT(lev)
59
60/* to implement doing something while blocking on an mbox or semaphore:
61 * pass a function to test_sys_arch_wait_callback() that returns
62 * '0' if waiting again and
63 * '1' if now there should be something to do (used for asserting)
64 */
65typedef int (*test_sys_arch_waiting_fn)(sys_sem_t* wait_sem, sys_mbox_t* wait_mbox);
66void test_sys_arch_wait_callback(test_sys_arch_waiting_fn waiting_fn);
67
68/* current time */
69extern u32_t lwip_sys_now;
70
71sys_sem_t* sys_arch_netconn_sem_get(void);
72void sys_arch_netconn_sem_alloc(void);
73void sys_arch_netconn_sem_free(void);
74#define LWIP_NETCONN_THREAD_SEM_GET()   sys_arch_netconn_sem_get()
75#define LWIP_NETCONN_THREAD_SEM_ALLOC() sys_arch_netconn_sem_alloc()
76#define LWIP_NETCONN_THREAD_SEM_FREE()  sys_arch_netconn_sem_free()
77
78#endif /* LWIP_HDR_TEST_SYS_ARCH_H */
79
80