65 lines
2.5 KiB
C
65 lines
2.5 KiB
C
/*
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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_SYS_ARCH_H__
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#define LWIP_ARCH_SYS_ARCH_H__
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/* HANDLE is used for sys_sem_t but we won't include windows.h */
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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_NULL NULL
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#define sys_sem_valid(sema) (((sema) != NULL) && ((sema)->sem != NULL) && ((sema)->sem != (void*)-1))
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#define sys_sem_set_invalid(sema) ((sema)->sem = NULL)
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/* let sys.h use binary semaphores for mutexes */
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#define LWIP_COMPAT_MUTEX 1
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#ifndef MAX_QUEUE_ENTRIES
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#define MAX_QUEUE_ENTRIES 100
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#endif
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struct lwip_mbox {
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void* sem;
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void* q_mem[MAX_QUEUE_ENTRIES];
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u32_t head, tail;
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};
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typedef struct lwip_mbox sys_mbox_t;
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#define SYS_MBOX_NULL NULL
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#define sys_mbox_valid(mbox) ((mbox != NULL) && ((mbox)->sem != NULL) && ((mbox)->sem != (void*)-1))
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#define sys_mbox_set_invalid(mbox) ((mbox)->sem = NULL)
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/* DWORD (thread id) is used for sys_thread_t but we won't include windows.h */
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typedef u32_t sys_thread_t;
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#endif /* LWIP_ARCH_SYS_ARCH_H__ */
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