[457] | 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 | #include <errno.h>
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| 36 |
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| 37 | #define SYS_MBOX_NULL NULL
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| 38 | #define SYS_SEM_NULL NULL
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| 39 |
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| 40 | typedef u32_t sys_prot_t;
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| 41 |
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| 42 | struct sys_sem;
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| 43 | typedef struct sys_sem * sys_sem_t;
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| 44 | #define sys_sem_valid(sem) (((sem) != NULL) && (*(sem) != NULL))
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| 45 | #define sys_sem_set_invalid(sem) do { if((sem) != NULL) { *(sem) = NULL; }}while(0)
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| 46 |
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| 47 | struct sys_mutex;
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| 48 | typedef struct sys_mutex * sys_mutex_t;
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| 49 | #define sys_mutex_valid(mutex) sys_sem_valid(mutex)
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| 50 | #define sys_mutex_set_invalid(mutex) sys_sem_set_invalid(mutex)
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| 51 |
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| 52 | struct sys_mbox;
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| 53 | typedef struct sys_mbox * sys_mbox_t;
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| 54 | #define sys_mbox_valid(mbox) sys_sem_valid(mbox)
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| 55 | #define sys_mbox_set_invalid(mbox) sys_sem_set_invalid(mbox)
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| 56 |
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| 57 | struct sys_thread;
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| 58 | typedef struct sys_thread * sys_thread_t;
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| 59 |
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| 60 | #endif /* LWIP_ARCH_SYS_ARCH_H */
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| 61 |
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