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/*
* Copyright (C) 2015 Martine Lenders <mlenders@inf.fu-berlin.de>
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @defgroup lwip_arch_sys_arch Architecture depentent definitions
* @ingroup lwip
* @brief Semaphores and mailboxes.
* @{
*
* @file
* @brief Semaphore and mailboxes definitions.
*
* @author Martine Lenders <mlenders@inf.fu-berlin.de>
*/
#ifndef LWIP_ARCH_SYS_ARCH_H
#define LWIP_ARCH_SYS_ARCH_H
#include <stdbool.h>
#include <stdint.h>
#include "cib.h"
#include "kernel_types.h"
#include "mbox.h"
#include "mutex.h"
#include "random.h"
#include "sema.h"
#ifdef __cplusplus
extern "C" {
#endif
#define LWIP_COMPAT_MUTEX (0)
#define SYS_SEM_NULL { 0, PRIORITY_QUEUE_INIT }
#define SYS_MBOX_SIZE (8)
typedef struct {
mbox_t mbox;
msg_t msgs[SYS_MBOX_SIZE];
} sys_mbox_t;
typedef mutex_t sys_mutex_t;
typedef sema_t sys_sem_t;
typedef kernel_pid_t sys_thread_t;
static inline bool sys_mutex_valid(sys_mutex_t *mutex)
{
return mutex != NULL;
}
static inline bool sys_sem_valid(sys_sem_t *sem)
{
return sem != NULL;
}
static inline bool sys_mbox_valid(sys_mbox_t *mbox)
{
return (mbox != NULL) && (mbox->mbox.cib.mask != 0);
}
static inline void sys_mbox_set_invalid(sys_mbox_t *mbox)
{
if (mbox != NULL) {
mbox->mbox.cib.mask = 0;
}
}
#define sys_mutex_valid(mutex) (sys_mutex_valid(mutex))
#define sys_mutex_set_invalid(mutex)
#define sys_sem_valid(sem) (sys_sem_valid(sem))
#define sys_sem_set_invalid(sem)
#define sys_mbox_valid(mbox) (sys_mbox_valid(mbox))
#define sys_mbox_set_invalid(mbox) (sys_mbox_set_invalid(mbox))
#ifdef MODULE_RANDOM
#define LWIP_RAND() (random_uint32())
#endif
#ifdef __cplusplus
}
#endif
#endif /* LWIP_ARCH_SYS_ARCH_H */
/** @} */
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