lwip/contrib/ports/win32/include/arch/sys_arch.h

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/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
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* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 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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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
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*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_ARCH_SYS_ARCH_H
#define LWIP_ARCH_SYS_ARCH_H
/* HANDLE is used for sys_sem_t but we won't include windows.h */
struct _sys_sem {
void *sem;
};
typedef struct _sys_sem sys_sem_t;
#define sys_sem_valid_val(sema) (((sema).sem != NULL) && ((sema).sem != (void*)-1))
#define sys_sem_valid(sema) (((sema) != NULL) && sys_sem_valid_val(*(sema)))
#define sys_sem_set_invalid(sema) ((sema)->sem = NULL)
/* HANDLE is used for sys_mutex_t but we won't include windows.h */
struct _sys_mut {
void *mut;
};
typedef struct _sys_mut sys_mutex_t;
#define sys_mutex_valid_val(mutex) (((mutex).mut != NULL) && ((mutex).mut != (void*)-1))
#define sys_mutex_valid(mutex) (((mutex) != NULL) && sys_mutex_valid_val(*(mutex)))
#define sys_mutex_set_invalid(mutex) ((mutex)->mut = NULL)
#ifndef MAX_QUEUE_ENTRIES
#define MAX_QUEUE_ENTRIES 100
#endif
struct lwip_mbox {
void* sem;
void* q_mem[MAX_QUEUE_ENTRIES];
u32_t head, tail;
};
typedef struct lwip_mbox sys_mbox_t;
#define SYS_MBOX_NULL NULL
#define sys_mbox_valid_val(mbox) (((mbox).sem != NULL) && ((mbox).sem != (void*)-1))
#define sys_mbox_valid(mbox) ((mbox != NULL) && sys_mbox_valid_val(*(mbox)))
#define sys_mbox_set_invalid(mbox) ((mbox)->sem = NULL)
/* DWORD (thread id) is used for sys_thread_t but we won't include windows.h */
typedef u32_t sys_thread_t;
sys_sem_t* sys_arch_netconn_sem_get(void);
void sys_arch_netconn_sem_alloc(void);
void sys_arch_netconn_sem_free(void);
#define LWIP_NETCONN_THREAD_SEM_GET() sys_arch_netconn_sem_get()
#define LWIP_NETCONN_THREAD_SEM_ALLOC() sys_arch_netconn_sem_alloc()
#define LWIP_NETCONN_THREAD_SEM_FREE() sys_arch_netconn_sem_free()
#define LWIP_EXAMPLE_APP_ABORT() lwip_win32_keypressed()
int lwip_win32_keypressed(void);
/* Threading options */
void sys_mark_tcpip_thread(void);
#define LWIP_MARK_TCPIP_THREAD() sys_mark_tcpip_thread()
#if LWIP_TCPIP_CORE_LOCKING
void sys_lock_tcpip_core(void);
#define LOCK_TCPIP_CORE() sys_lock_tcpip_core()
void sys_unlock_tcpip_core(void);
#define UNLOCK_TCPIP_CORE() sys_unlock_tcpip_core()
#endif
#endif /* LWIP_ARCH_SYS_ARCH_H */