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 /* HANDLE is used for sys_sem_t but we won't include windows.h */ 36 struct _sys_sem { 37 void *sem; 38 }; 39 typedef struct _sys_sem sys_sem_t; 40 #define sys_sem_valid_val(sema) (((sema).sem != NULL) && ((sema).sem != (void*)-1)) 41 #define sys_sem_valid(sema) (((sema) != NULL) && sys_sem_valid_val(*(sema))) 42 #define sys_sem_set_invalid(sema) ((sema)->sem = NULL) 43 44 /* HANDLE is used for sys_mutex_t but we won't include windows.h */ 45 struct _sys_mut { 46 void *mut; 47 }; 48 typedef struct _sys_mut sys_mutex_t; 49 #define sys_mutex_valid_val(mutex) (((mutex).mut != NULL) && ((mutex).mut != (void*)-1)) 50 #define sys_mutex_valid(mutex) (((mutex) != NULL) && sys_mutex_valid_val(*(mutex))) 51 #define sys_mutex_set_invalid(mutex) ((mutex)->mut = NULL) 52 53 #ifndef MAX_QUEUE_ENTRIES 54 #define MAX_QUEUE_ENTRIES 100 55 #endif 56 struct lwip_mbox { 57 void* sem; 58 void* q_mem[MAX_QUEUE_ENTRIES]; 59 u32_t head, tail; 60 }; 61 typedef struct lwip_mbox sys_mbox_t; 62 #define SYS_MBOX_NULL NULL 63 #define sys_mbox_valid_val(mbox) (((mbox).sem != NULL) && ((mbox).sem != (void*)-1)) 64 #define sys_mbox_valid(mbox) ((mbox != NULL) && sys_mbox_valid_val(*(mbox))) 65 #define sys_mbox_set_invalid(mbox) ((mbox)->sem = NULL) 66 67 /* DWORD (thread id) is used for sys_thread_t but we won't include windows.h */ 68 typedef u32_t sys_thread_t; 69 70 sys_sem_t* sys_arch_netconn_sem_get(void); 71 void sys_arch_netconn_sem_alloc(void); 72 void sys_arch_netconn_sem_free(void); 73 #define LWIP_NETCONN_THREAD_SEM_GET() sys_arch_netconn_sem_get() 74 #define LWIP_NETCONN_THREAD_SEM_ALLOC() sys_arch_netconn_sem_alloc() 75 #define LWIP_NETCONN_THREAD_SEM_FREE() sys_arch_netconn_sem_free() 76 77 #define LWIP_EXAMPLE_APP_ABORT() lwip_win32_keypressed() 78 int lwip_win32_keypressed(void); 79 80 /* Threading options */ 81 void sys_mark_tcpip_thread(void); 82 #define LWIP_MARK_TCPIP_THREAD() sys_mark_tcpip_thread() 83 84 #if LWIP_TCPIP_CORE_LOCKING 85 void sys_lock_tcpip_core(void); 86 #define LOCK_TCPIP_CORE() sys_lock_tcpip_core() 87 void sys_unlock_tcpip_core(void); 88 #define UNLOCK_TCPIP_CORE() sys_unlock_tcpip_core() 89 #endif 90 91 #endif /* LWIP_ARCH_SYS_ARCH_H */ 92