lwp_mutex.h File Reference

#include <gctypes.h>
#include <lwp_threadq.h>

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Classes
struct	_lwpmutexattr
struct	_lwpmutex

Macros
#define	LWP_MUTEX_LOCKED   0
#define	LWP_MUTEX_UNLOCKED   1
#define	LWP_MUTEX_NEST_ACQUIRE   0
#define	LWP_MUTEX_NEST_ERROR   1
#define	LWP_MUTEX_NEST_BLOCK   2
#define	LWP_MUTEX_FIFO   0
#define	LWP_MUTEX_PRIORITY   1
#define	LWP_MUTEX_INHERITPRIO   2
#define	LWP_MUTEX_PRIORITYCEIL   3
#define	LWP_MUTEX_SUCCESSFUL   0
#define	LWP_MUTEX_UNSATISFIED_NOWAIT   1
#define	LWP_MUTEX_NEST_NOTALLOWED   2
#define	LWP_MUTEX_NOTOWNER   3
#define	LWP_MUTEX_DELETED   4
#define	LWP_MUTEX_TIMEOUT   5
#define	LWP_MUTEX_CEILINGVIOL   6
#define	__lwp_mutex_seize(_mutex_t, _id, _wait, _timeout, _level)

Typedefs
typedef struct _lwpmutexattr	lwp_mutex_attr
typedef struct _lwpmutex	lwp_mutex

Functions
void	__lwp_mutex_initialize (lwp_mutex *mutex, lwp_mutex_attr *attrs, u32 init_lock)
u32	__lwp_mutex_surrender (lwp_mutex *mutex)
void	__lwp_mutex_seize_irq_blocking (lwp_mutex *mutex, u64 timeout)
void	__lwp_mutex_flush (lwp_mutex *mutex, u32 status)
static __inline__ u32	__lwp_mutex_seize_irq_trylock (lwp_mutex *mutex, u32 *isr_level)

Macro Definition Documentation

__lwp_mutex_seize

#define __lwp_mutex_seize	(		_mutex_t,
			_id,
			_wait,
			_timeout,
			_level
	)

Value:

do { \
        if(__lwp_mutex_seize_irq_trylock(_mutex_t,&_level)) { \
            if(!_wait) {    \
                _CPU_ISR_Restore(_level); \
                _thr_executing->wait.ret_code = LWP_MUTEX_UNSATISFIED_NOWAIT; \
            } else { \
                __lwp_threadqueue_csenter(&(_mutex_t)->wait_queue); \
                _thr_executing->wait.queue = &(_mutex_t)->wait_queue; \
                _thr_executing->wait.id = _id; \
                __lwp_thread_dispatchdisable(); \
                _CPU_ISR_Restore(_level); \
                __lwp_mutex_seize_irq_blocking(_mutex_t,(u64)_timeout); \
            } \
        } \
    } while(0)

LWP_MUTEX_CEILINGVIOL

#define LWP_MUTEX_CEILINGVIOL   6

LWP_MUTEX_DELETED

#define LWP_MUTEX_DELETED   4

LWP_MUTEX_FIFO

#define LWP_MUTEX_FIFO   0

LWP_MUTEX_INHERITPRIO

#define LWP_MUTEX_INHERITPRIO   2

LWP_MUTEX_LOCKED

#define LWP_MUTEX_LOCKED   0

LWP_MUTEX_NEST_ACQUIRE

#define LWP_MUTEX_NEST_ACQUIRE   0

LWP_MUTEX_NEST_BLOCK

#define LWP_MUTEX_NEST_BLOCK   2

LWP_MUTEX_NEST_ERROR

#define LWP_MUTEX_NEST_ERROR   1

LWP_MUTEX_NEST_NOTALLOWED

#define LWP_MUTEX_NEST_NOTALLOWED   2

LWP_MUTEX_NOTOWNER

#define LWP_MUTEX_NOTOWNER   3

LWP_MUTEX_PRIORITY

#define LWP_MUTEX_PRIORITY   1

LWP_MUTEX_PRIORITYCEIL

#define LWP_MUTEX_PRIORITYCEIL   3

LWP_MUTEX_SUCCESSFUL

#define LWP_MUTEX_SUCCESSFUL   0

LWP_MUTEX_TIMEOUT

#define LWP_MUTEX_TIMEOUT   5

LWP_MUTEX_UNLOCKED

#define LWP_MUTEX_UNLOCKED   1

LWP_MUTEX_UNSATISFIED_NOWAIT

#define LWP_MUTEX_UNSATISFIED_NOWAIT   1

Typedef Documentation

lwp_mutex

typedef struct _lwpmutex lwp_mutex

lwp_mutex_attr

typedef struct _lwpmutexattr lwp_mutex_attr

Function Documentation

__lwp_mutex_flush()

void __lwp_mutex_flush	(	lwp_mutex *	mutex,
		u32	status
	)

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__lwp_mutex_initialize()

void __lwp_mutex_initialize	(	lwp_mutex *	mutex,
		lwp_mutex_attr *	attrs,
		u32	init_lock
	)

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__lwp_mutex_seize_irq_blocking()

void __lwp_mutex_seize_irq_blocking	(	lwp_mutex *	mutex,
		u64	timeout
	)

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__lwp_mutex_seize_irq_trylock()

static __inline__ u32 __lwp_mutex_seize_irq_trylock ( lwp_mutex *  mutex, u32 *  isr_level  )

static

__lwp_mutex_surrender()

u32 __lwp_mutex_surrender

(

lwp_mutex *

mutex

)

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