kapidata.h

ecos实时嵌入式操作系统

#ifdef CYGSEM_KERNEL_SCHED_TIMESLICE_ENABLE
# define CYG_SCHEDTHREAD_TIMESLICE_ENABLED_MEMBER \
    cyg_bool            timeslice_enabled; /* per-thread timeslice enable */
#else
# define CYG_SCHEDTHREAD_TIMESLICE_ENABLED_MEMBER
#endif

#if defined(CYGSEM_KERNEL_SCHED_BITMAP)
# define CYG_SCHEDTHREAD_SCHEDIMP_MEMBERS \
    cyg_priority_t      priority;       /* current thread priority */
#elif defined(CYGSEM_KERNEL_SCHED_MLQUEUE)
# define CYG_SCHEDTHREAD_SCHEDIMP_MEMBERS                                    \
    cyg_thread *next;                                                        \
    cyg_thread *prev;                                                        \
    cyg_priority_t      priority;             /* current thread priority */  \
    CYG_SCHEDTHREAD_CPU_MEMBER                                               \
    CYG_SCHEDTHREAD_TIMESLICE_ENABLED_MEMBER
#elif defined(CYGSEM_KERNEL_SCHED_LOTTERY)
# define CYG_SCHEDTHREAD_SCHEDIMP_MEMBERS                                    \
    cyg_thread *next;                                                        \
    cyg_thread *prev;                                                        \
    cyg_priority_t      priority;             /* current thread priority */  \
    cyg_priority_t      compensation_tickets; /* sleep compensation */
#else
# error Undefined scheduler type
#endif    

#ifndef CYGSEM_KERNEL_SCHED_ASR_GLOBAL
#  define CYG_SCHEDTHREAD_ASR_NONGLOBAL_MEMBER \
    void              (*asr)(CYG_ADDRWORD);   // ASR function
#else
#  define CYG_SCHEDTHREAD_ASR_NONGLOBAL_MEMBER
#endif

#ifndef CYGSEM_KERNEL_SCHED_ASR_DATA_GLOBAL
#  define CYG_SCHEDTHREAD_ASR_DATA_NONGLOBAL_MEMBER \
    CYG_ADDRWORD        asr_data;       // ASR data pointer
#else
#  define CYG_SCHEDTHREAD_ASR_DATA_NONGLOBAL_MEMBER
#endif

#ifdef CYGSEM_KERNEL_SCHED_ASR_SUPPORT
# define CYG_SCHEDTHREAD_ASR_MEMBER                                         \
    volatile cyg_ucount32 asr_inhibit; /* If true, blocks calls to ASRs */  \
    volatile cyg_bool     asr_pending; /* If true, this thread's ASR    */  \
                                       /* should be called. */              \
    CYG_SCHEDTHREAD_ASR_NONGLOBAL_MEMBER                                    \
    CYG_SCHEDTHREAD_ASR_DATA_NONGLOBAL_MEMBER                             
#else
# define CYG_SCHEDTHREAD_ASR_MEMBER
#endif

#ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL_SIMPLE
# define CYG_SCHEDTHREAD_MUTEX_INV_PROTO_SIMPLE_MEMBERS \
    cyg_priority_t      original_priority;              \
    cyg_bool            priority_inherited;
#else
# define CYG_SCHEDTHREAD_MUTEX_INV_PROTO_SIMPLE_MEMBERS
#endif

#ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL
# define CYG_SCHEDTHREAD_MUTEX_INV_PROTO_MEMBERS   \
    cyg_count32         mutex_count;               \
    CYG_SCHEDTHREAD_MUTEX_INV_PROTO_SIMPLE_MEMBERS
#else
# define CYG_SCHEDTHREAD_MUTEX_INV_PROTO_MEMBERS
#endif

#define CYG_SCHEDTHREAD_MEMBERS               \
    CYG_SCHEDTHREAD_SCHEDIMP_MEMBERS          \
    cyg_threadqueue     *queue;               \
    CYG_SCHEDTHREAD_ASR_MEMBER                \
    CYG_SCHEDTHREAD_MUTEX_INV_PROTO_MEMBERS

    
typedef struct 
{
    CYG_SCHEDTHREAD_MEMBERS
} cyg_schedthread;

/* This compiler version test is required because the C++ ABI changed in
   GCC v3.x and GCC could now reuse "spare" space from base classes in derived
   classes, and in C++ land, cyg_alarm is a base class of cyg_threadtimer.
*/
#if defined(__GNUC__) && (__GNUC__ < 3)
#define CYG_THREADTIMER_MEMBERS \
    cyg_alarm           alarm;  \
    cyg_thread          *thread;
#else
#define CYG_THREADTIMER_MEMBERS \
    CYG_ALARM_MEMBERS           \
    cyg_thread          *thread;
#endif

/*---------------------------------------------------------------------------*/
/* Thread structure                                                          */

typedef struct 
{
    CYG_THREADTIMER_MEMBERS
} cyg_threadtimer;


typedef enum
{
    CYG_REASON_NONE,
    CYG_REASON_WAIT,
    CYG_REASON_DELAY,
    CYG_REASON_TIMEOUT,
    CYG_REASON_BREAK,
    CYG_REASON_DESTRUCT,
    CYG_REASON_EXIT,
    CYG_REASON_DONE
} cyg_reason_t;

#if defined(CYGPKG_KERNEL_EXCEPTIONS) && !defined(CYGSEM_KERNEL_EXCEPTIONS_GLOBAL)
# define CYG_THREAD_EXCEPTION_CONTROL_MEMBER \
    cyg_exception_control       exception_control;
#else
# define CYG_THREAD_EXCEPTION_CONTROL_MEMBER
#endif

#ifdef CYGFUN_KERNEL_THREADS_TIMER
# define CYG_THREAD_TIMER_MEMBER \
    cyg_threadtimer     timer;
#else
# define CYG_THREAD_TIMER_MEMBER
#endif

#ifdef CYGVAR_KERNEL_THREADS_DATA
# define CYG_THREAD_THREAD_DATA_MEMBER \
    CYG_ADDRWORD        thread_data[CYGNUM_KERNEL_THREADS_DATA_MAX];
#else
# define CYG_THREAD_THREAD_DATA_MEMBER
#endif

#ifdef CYGVAR_KERNEL_THREADS_NAME
# define CYG_THREAD_NAME_MEMBER \
    char                *name;
#else
# define CYG_THREAD_NAME_MEMBER
#endif

#ifdef CYGVAR_KERNEL_THREADS_LIST
# define CYG_THREAD_LIST_NEXT_MEMBER \
    cyg_thread          *list_next;
#else
# define CYG_THREAD_LIST_NEXT_MEMBER
#endif



#ifdef CYGSEM_KERNEL_THREADS_DESTRUCTORS_PER_THREAD
struct Cyg_Destructor_Entry {
    cyg_thread_destructor_fn fn;
    cyg_addrword_t data;
};
# define CYG_THREAD_DESTRUCTORS_MEMBER \
   struct Cyg_Destructor_Entry destructors[ CYGNUM_KERNEL_THREADS_DESTRUCTORS ];
#else
# define CYG_THREAD_DESTRUCTORS_MEMBER
#endif


#define CYG_THREAD_MEMBERS                        \
    CYG_HARDWARETHREAD_MEMBERS                    \
    CYG_SCHEDTHREAD_MEMBERS                       \
                                                  \
    cyg_uint32                  state;            \
    cyg_ucount32                suspend_count;    \
    cyg_ucount32                wakeup_count;     \
    CYG_ADDRWORD                wait_info;        \
    cyg_uint16                  unique_id;        \
                                                  \
    CYG_THREAD_EXCEPTION_CONTROL_MEMBER           \
    CYG_THREAD_TIMER_MEMBER                       \
                                                  \
    cyg_reason_t        sleep_reason;             \
    cyg_reason_t        wake_reason;              \
                                                  \
    CYG_THREAD_THREAD_DATA_MEMBER                 \
    CYG_THREAD_DESTRUCTORS_MEMBER                 \
    CYG_THREAD_NAME_MEMBER                        \
    CYG_THREAD_LIST_NEXT_MEMBER                   


struct cyg_thread
{
    CYG_THREAD_MEMBERS
};

/*---------------------------------------------------------------------------*/

struct cyg_mbox
{
    cyg_count32         base;           /* index of first used slot          */
    cyg_count32         count;          /* count of used slots               */
    cyg_threadqueue     get_threadq;    /* Queue of waiting threads          */
#ifdef CYGMFN_KERNEL_SYNCH_MBOXT_PUT_CAN_WAIT
    cyg_threadqueue     put_threadq;    /* Queue of waiting threads          */
#endif
    void *              itemqueue[ CYGNUM_KERNEL_SYNCH_MBOX_QUEUE_SIZE ];
};

/*---------------------------------------------------------------------------*/

struct cyg_sem_t
{
    cyg_count32         count;          /* The semaphore count          */
    cyg_threadqueue     queue;          /* Queue of waiting threads     */    
};

/*---------------------------------------------------------------------------*/

struct cyg_flag_t
{
    cyg_flag_value_t    value;          /* The flag value               */
    cyg_threadqueue     queue;          /* Queue of waiting threads     */    
};

/*---------------------------------------------------------------------------*/

typedef enum
{
    CYG_MUTEX_PROTOCOL_NONE,
    CYG_MUTEX_PROTOCOL_INHERIT,
    CYG_MUTEX_PROTOCOL_CEILING
} cyg_mutex_protocol_t;

struct cyg_mutex_t
{
    cyg_atomic          locked;         /* true if locked               */
    cyg_thread          *owner;         /* Current locking thread       */
    cyg_threadqueue     queue;          /* Queue of waiting threads     */

#ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL_DYNAMIC
    cyg_mutex_protocol_t protocol;       /* this mutex's protocol        */
#endif    
#ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL_CEILING
    cyg_priority_t      ceiling;        /* mutex priority ceiling       */
#endif
    
};

/*---------------------------------------------------------------------------*/

struct cyg_cond_t
{
    cyg_mutex_t         *mutex;         /* Associated mutex             */
    cyg_threadqueue     queue;          /* Queue of waiting threads     */
};

/*------------------------------------------------------------------------*/

struct cyg_spinlock_t
{
    cyg_uint32          lock;           /* lock word                     */
};

/*------------------------------------------------------------------------*/

/* Memory allocator types now come from the "memalloc" package which is   */
/* where the implementation lives.                                        */

#ifdef CYGPKG_MEMALLOC
# include <cyg/memalloc/kapidata.h>
#endif

#ifdef __cplusplus
}
#endif

/*---------------------------------------------------------------------------*/
/* EOF kapidata.h                                                            */
#endif /* CYGONCE_KERNEL_KAPIDATA_H */