1 | /*
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2 | * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
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3 | * All rights reserved.
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4 | *
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5 | * Redistribution and use in source and binary forms, with or without modification,
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6 | * are permitted provided that the following conditions are met:
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7 | *
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8 | * 1. Redistributions of source code must retain the above copyright notice,
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9 | * this list of conditions and the following disclaimer.
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10 | * 2. Redistributions in binary form must reproduce the above copyright notice,
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11 | * this list of conditions and the following disclaimer in the documentation
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12 | * and/or other materials provided with the distribution.
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13 | * 3. The name of the author may not be used to endorse or promote products
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14 | * derived from this software without specific prior written permission.
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15 | *
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16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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17 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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18 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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19 | * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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20 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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21 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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22 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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23 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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24 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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25 | * OF SUCH DAMAGE.
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26 | *
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27 | * This file is part of the lwIP TCP/IP stack.
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28 | *
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29 | * Author: Adam Dunkels <adam@sics.se>
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30 | *
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31 | */
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32 | #ifndef LWIP_ARCH_SYS_ARCH_H
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33 | #define LWIP_ARCH_SYS_ARCH_H
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34 |
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35 | /* HANDLE is used for sys_sem_t but we won't include windows.h */
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36 | struct _sys_sem {
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37 | void *sem;
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38 | };
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39 | typedef struct _sys_sem sys_sem_t;
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40 | #define sys_sem_valid_val(sema) (((sema).sem != NULL) && ((sema).sem != (void*)-1))
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41 | #define sys_sem_valid(sema) (((sema) != NULL) && sys_sem_valid_val(*(sema)))
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42 | #define sys_sem_set_invalid(sema) ((sema)->sem = NULL)
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43 |
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44 | /* HANDLE is used for sys_mutex_t but we won't include windows.h */
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45 | struct _sys_mut {
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46 | void *mut;
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47 | };
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48 | typedef struct _sys_mut sys_mutex_t;
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49 | #define sys_mutex_valid_val(mutex) (((mutex).mut != NULL) && ((mutex).mut != (void*)-1))
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50 | #define sys_mutex_valid(mutex) (((mutex) != NULL) && sys_mutex_valid_val(*(mutex)))
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51 | #define sys_mutex_set_invalid(mutex) ((mutex)->mut = NULL)
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52 |
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53 | #ifndef MAX_QUEUE_ENTRIES
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54 | #define MAX_QUEUE_ENTRIES 100
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55 | #endif
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56 | struct lwip_mbox {
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57 | void* sem;
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58 | void* q_mem[MAX_QUEUE_ENTRIES];
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59 | u32_t head, tail;
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60 | };
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61 | typedef struct lwip_mbox sys_mbox_t;
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62 | #define SYS_MBOX_NULL NULL
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63 | #define sys_mbox_valid_val(mbox) (((mbox).sem != NULL) && ((mbox).sem != (void*)-1))
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64 | #define sys_mbox_valid(mbox) ((mbox != NULL) && sys_mbox_valid_val(*(mbox)))
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65 | #define sys_mbox_set_invalid(mbox) ((mbox)->sem = NULL)
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66 |
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67 | /* DWORD (thread id) is used for sys_thread_t but we won't include windows.h */
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68 | typedef u32_t sys_thread_t;
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69 |
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70 | sys_sem_t* sys_arch_netconn_sem_get(void);
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71 | void sys_arch_netconn_sem_alloc(void);
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72 | void sys_arch_netconn_sem_free(void);
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73 | #define LWIP_NETCONN_THREAD_SEM_GET() sys_arch_netconn_sem_get()
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74 | #define LWIP_NETCONN_THREAD_SEM_ALLOC() sys_arch_netconn_sem_alloc()
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75 | #define LWIP_NETCONN_THREAD_SEM_FREE() sys_arch_netconn_sem_free()
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76 |
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77 | #define LWIP_EXAMPLE_APP_ABORT() lwip_win32_keypressed()
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78 | int lwip_win32_keypressed(void);
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79 |
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80 | #endif /* LWIP_ARCH_SYS_ARCH_H */
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81 |
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