CARPLAY版本整理
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128
MXC_A27-PCB4.5-270S/lib/lwip/src/include/arch/cc.h
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MXC_A27-PCB4.5-270S/lib/lwip/src/include/arch/cc.h
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/*
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* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* This file is part of the lwIP TCP/IP stack.
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*
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* Author: Adam Dunkels <adam@sics.se>
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*
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*/
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#ifndef LWIP_ARCH_CC_H
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#define LWIP_ARCH_CC_H
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#include <stdio.h>
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#include <stdlib.h>
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/*
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定义系统的字节顺序。 需要将网络数据转换为主机字节顺序。
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允许的值：LITTLE_ENDIAN和BIG_ENDIAN */
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#define BYTE_ORDER LITTLE_ENDIAN
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/* 定义系统的随机数生成器功能 */
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#define LWIP_RAND() ((u32_t)rand())
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/* 平台特定的诊断输出。 */
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#define LWIP_PLATFORM_DIAG(x) do {printf x;} while(0)
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/* 特定于平台的断言处理。 */
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#define LWIP_PLATFORM_ASSERT(x)
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/* 标准C库 是否包含 stddef.h ，默认使用标准库 */
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#define LWIP_NO_STDDEF_H 0
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/* 标准C库 是否包含 stdint.h ，默认使用标准库 */
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#define LWIP_NO_STDINT_H 0
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/* 标准C库 是否包含 inttypes.h ，默认使用标准库 */
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#define LWIP_NO_INTTYPES_H 0
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/* 标准C库 是否包含 limits.h ，默认使用标准库 */
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#define LWIP_NO_LIMITS_H 0
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/* 标准C库 是否包含 ctype.h ，默认使用标准库 */
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#define LWIP_NO_CTYPE_H 0
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#define LWIP_CONST_CAST(target_type, val) ((target_type)((ptrdiff_t)val))
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#define LWIP_ALIGNMENT_CAST(target_type, val) LWIP_CONST_CAST(target_type, val)
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#define LWIP_PTR_NUMERIC_CAST(target_type, val) LWIP_CONST_CAST(target_type, val)
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#define LWIP_PACKED_CAST(target_type, val) LWIP_CONST_CAST(target_type, val)
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/* 分配指定大小的内存缓冲区，其大小足以使用LWIP_MEM_ALIGN对齐其起始地址。 */
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#define LWIP_DECLARE_MEMORY_ALIGNED(variable_name, size) u8_t variable_name[LWIP_MEM_ALIGN_BUFFER(size)]
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/*
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计算对齐缓冲区的内存大小 - 返回MEM_ALIGNMENT的下一个最高倍数
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（例如，LWIP_MEM_ALIGN_SIZE（3）和LWIP_MEM_ALIGN_SIZE（4）将为MEM_ALIGNMENT == 4产生4）。
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*/
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#define LWIP_MEM_ALIGN_SIZE(size) (((size) + MEM_ALIGNMENT - 1U) & ~(MEM_ALIGNMENT-1U))
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/* 使用未对齐类型作为存储时，计算对齐缓冲区的安全内存大小。 这包括开始时的（MEM_ALIGNMENT - 1）安全边际 */
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#define LWIP_MEM_ALIGN_BUFFER(size) (((size) + MEM_ALIGNMENT - 1U))
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/* 将内存指针以MEM_ALIGNMENT定义的对齐方式对齐，以使ADDR％MEM_ALIGNMENT == 0 */
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#define LWIP_MEM_ALIGN(addr) ((void *)(((mem_ptr_t)(addr) + MEM_ALIGNMENT - 1) & ~(mem_ptr_t)(MEM_ALIGNMENT-1)))
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/* 打包结构支持。 在声明打包结构之前放置BEFORE。 */
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#define PACK_STRUCT_BEGIN
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/* 打包结构支持。 在声明打包结构之前放置AFTER 。 */
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#define PACK_STRUCT_END
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/* 打包结构支持。 放置在打包结构的声明结束和尾随分号之间。 */
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#define PACK_STRUCT_STRUCT
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/* 打包结构支持。 封装u32_t和u16_t成员。 */
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#define PACK_STRUCT_FIELD(x) x
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/* 打包结构支持。 包含u8_t成员，其中一些编译器警告说不需要打包。 */
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#define PACK_STRUCT_FLD_8(x) PACK_STRUCT_FIELD(x)
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/* 打包结构支持。 包装结构本身的成员，一些编译器警告不必包装。 */
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#define PACK_STRUCT_FLD_S(x) PACK_STRUCT_FIELD(x)
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/*
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PACK_STRUCT_USE_INCLUDES == 1：在打包struct之前和之后使用#include文件支持打包结构。
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该文件包含在结构为“arch / bpstruct.h”之前。
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该结构为“arch / epstruct.h”后包含的文件。
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*/
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//#define PACK_STRUCT_USE_INCLUDES
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/* 消除有关未使用参数的编译器警告 */
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#define LWIP_UNUSED_ARG(x) (void)x
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/*
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LWIP_PROVIDE_ERRNO == 1：让lwIP提供ERRNO值和'errno'变量。
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如果禁用此选项，cc.h必须定义'errno'，include <errno.h>，定义LWIP_ERRNO_STDINCLUDE以包含 <errno.h>或将LWIP_ERRNO_INCLUDE定义为<errno.h>或等效。
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*/
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#define LWIP_PROVIDE_ERRNO
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typedef unsigned int sys_prot_t;
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//#define LWIP_DEBUG
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#endif /* LWIP_ARCH_CC_H */
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95
MXC_A27-PCB4.5-270S/lib/lwip/src/include/arch/sys_arch.h
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95
MXC_A27-PCB4.5-270S/lib/lwip/src/include/arch/sys_arch.h
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/*
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* Copyright (c) 2017 Simon Goldschmidt
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* This file is part of the lwIP TCP/IP stack.
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*
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* Author: Simon Goldschmdit <goldsimon@gmx.de>
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*
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*/
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#ifndef LWIP_ARCH_SYS_ARCH_H
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#define LWIP_ARCH_SYS_ARCH_H
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#include "lwip/opt.h"
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#include "lwip/arch.h"
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/** This is returned by _fromisr() sys functions to tell the outermost function
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* that a higher priority task was woken and the scheduler needs to be invoked.
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*/
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#define ERR_NEED_SCHED 123
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/* This port includes FreeRTOS headers in sys_arch.c only.
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* FreeRTOS uses pointers as object types. We use wrapper structs instead of
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* void pointers directly to get a tiny bit of type safety.
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*/
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void sys_arch_msleep(u32_t delay_ms);
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#define sys_msleep(ms) sys_arch_msleep(ms)
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#if SYS_LIGHTWEIGHT_PROT
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typedef u32_t sys_prot_t;
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#endif /* SYS_LIGHTWEIGHT_PROT */
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#if !LWIP_COMPAT_MUTEX
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struct _sys_mut {
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void *mut;
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};
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typedef struct _sys_mut sys_mutex_t;
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#define sys_mutex_valid_val(mutex) ((mutex).mut != NULL)
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#define sys_mutex_valid(mutex) (((mutex) != NULL) && sys_mutex_valid_val(*(mutex)))
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#define sys_mutex_set_invalid(mutex) ((mutex)->mut = NULL)
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#endif /* !LWIP_COMPAT_MUTEX */
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struct _sys_sem {
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void *sem;
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};
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typedef struct _sys_sem sys_sem_t;
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#define sys_sem_valid_val(sema) ((sema).sem != NULL)
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#define sys_sem_valid(sema) (((sema) != NULL) && sys_sem_valid_val(*(sema)))
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#define sys_sem_set_invalid(sema) ((sema)->sem = NULL)
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struct _sys_mbox {
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void *mbx;
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};
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typedef struct _sys_mbox sys_mbox_t;
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#define sys_mbox_valid_val(mbox) ((mbox).mbx != NULL)
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#define sys_mbox_valid(mbox) (((mbox) != NULL) && sys_mbox_valid_val(*(mbox)))
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#define sys_mbox_set_invalid(mbox) ((mbox)->mbx = NULL)
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struct _sys_thread {
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void *thread_handle;
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};
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typedef struct _sys_thread sys_thread_t;
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#if LWIP_NETCONN_SEM_PER_THREAD
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sys_sem_t* sys_arch_netconn_sem_get(void);
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void sys_arch_netconn_sem_alloc(void);
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void sys_arch_netconn_sem_free(void);
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#define LWIP_NETCONN_THREAD_SEM_GET() sys_arch_netconn_sem_get()
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#define LWIP_NETCONN_THREAD_SEM_ALLOC() sys_arch_netconn_sem_alloc()
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#define LWIP_NETCONN_THREAD_SEM_FREE() sys_arch_netconn_sem_free()
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#endif /* LWIP_NETCONN_SEM_PER_THREAD */
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#endif /* LWIP_ARCH_SYS_ARCH_H */
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