base/include/asm/rtai_atomic.h File Reference

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Data Structures
struct	__rtai_xchg_dummy
Defines
#define	likely(x)   __builtin_expect(!!(x), 1)
#define	unlikely(x)   __builtin_expect(!!(x), 0)
#define	LOCK_PREFIX   ""
#define	atomic_t   int
#define	__rtai_xg(x)   ((struct __rtai_xchg_dummy *)(x))
Functions
static unsigned long	atomic_xchg (volatile void *ptr, unsigned long x)
static unsigned long	atomic_cmpxchg (volatile void *ptr, unsigned long o, unsigned long n)
static __inline__ int	atomic_dec_and_test (atomic_t *v)
static __inline__ void	atomic_inc (atomic_t *v)

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Define Documentation

#define __rtai_xg

(

x

)

((struct __rtai_xchg_dummy *)(x))

Definition at line 54 of file rtai_atomic.h.

Referenced by atomic_cmpxchg(), atomic_dec_and_test(), atomic_inc(), and atomic_xchg().

#define atomic_t   int

Definition at line 51 of file rtai_atomic.h.

#define likely

(

x

)

__builtin_expect(!!(x), 1)

Definition at line 41 of file rtai_atomic.h.

Referenced by _rt_bits_wait(), _rt_bits_wait_until(), handle_lxrt_request(), intercept_syscall_prologue(), lxrt_fun_call(), mbx_wait_until(), rt_cond_wait(), rt_cond_wait_until(), rt_sem_wait(), rt_sem_wait_until(), rt_sleep(), rt_sleep_until(), rt_task_wait_period(), and rtai_lxrt_invoke().

#define LOCK_PREFIX   ""

Definition at line 48 of file rtai_atomic.h.

Referenced by atomic_cmpxchg(), atomic_dec_and_test(), atomic_inc(), and atomic_xchg().

#define unlikely

(

x

)

__builtin_expect(!!(x), 0)

Definition at line 42 of file rtai_atomic.h.

Referenced by _rt_bits_wait(), _rt_bits_wait_until(), check_to_soften_harden(), handle_lxrt_request(), lxrt_fun_call(), mbx_wait(), mbx_wait_until(), rt_cond_wait(), rt_cond_wait_until(), rt_task_suspend(), and rt_task_suspend_until().

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Function Documentation

static unsigned long atomic_cmpxchg	(	volatile void *	ptr,
		unsigned long	o,
		unsigned long	n
	)			[inline, static]

Definition at line 65 of file rtai_atomic.h.

References __asm__(), __rtai_xg, and LOCK_PREFIX.

Referenced by rt_get_tasklet(), rt_gvb_tasklet(), rt_set_heap(), RTAI_SCB_PROTO(), and rtf_create().

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static __inline__ int atomic_dec_and_test

(

atomic_t *

v

)

[static]

Definition at line 75 of file rtai_atomic.h.

References __asm__(), __rtai_xg, and LOCK_PREFIX.

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static __inline__ void atomic_inc

(

atomic_t *

v

)

[static]

Definition at line 86 of file rtai_atomic.h.

References __asm__(), __rtai_xg, and LOCK_PREFIX.

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static unsigned long atomic_xchg	(	volatile void *	ptr,
		unsigned long	x
	)			[inline, static]

Definition at line 56 of file rtai_atomic.h.

References __asm__(), __rtai_xg, and LOCK_PREFIX.

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