mutex.h

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/*
 * Copyright (c) 2009 Sung Ho Park
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef UBIK_MUTEX_H_
#define UBIK_MUTEX_H_
 
#ifdef  __cplusplus
extern "C"
{
#endif
 
#include <ubinos_config.h>
#include <ubinos/type.h>
 
#define MUTEX_OPT__NOPRIORITYINHERITANCE    0x80
 
typedef struct __mutex_tip_t
{
        unsigned int type :8; 
        unsigned int valid :1; 
        unsigned int reserved :7; 
        unsigned int reserved2 :16; 
} _mutex_tip_t;
 
typedef _mutex_tip_t * mutex_pt;
 
int mutex_create(mutex_pt * mutex_p);
 
int mutex_create_ext(mutex_pt * mutex_p, unsigned int option);
 
int mutex_delete(mutex_pt * mutex_p);
 
int mutex_lock(mutex_pt mutex);
 
int mutex_lock_timed(mutex_pt mutex, unsigned int tick);
 
int mutex_lock_timedms(mutex_pt mutex, unsigned int timems);
 
int mutex_unlock(mutex_pt mutex);
 
int mutex_islocked(mutex_pt mutex);
 
#ifdef  __cplusplus
}
#endif
 
#endif /* UBIK_MUTEX_H_ */