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