atomic.h File Reference

#include "hal/arch/vsf_arch.h"

Go to the source code of this file.

Data Structures
struct	atomic_t

Macros
#define	__VSF_LINUX_ATOM_BITLEN__   32
#define	ATOMIC_INIT(__VALUE)   { (__VALUE) }
#define	atomic_set(__v, __i)   ((__v)->counter = (__i))
#define	atomic_read(__v)   ((__v)->counter)
#define	atomic_add(__i, __v)   vsf_atom_add(__VSF_LINUX_ATOM_BITLEN__, &(__v)->counter, (__i))
#define	atomic_sub(__i, __v)   atomic_add(- (__i), (__v))
#define	atomic_inc(__v)   atomic_add(1, __v)
#define	atomic_dec(__v)   atomic_sub(1, __v)
#define	atomic_add_return(__i, __v)
#define	atomic_sub_return(__i, __v)   atomic_add_return(- (__i), (__v))
#define	atomic_inc_return(__v)   atomic_add_return(1, (__v))
#define	atomic_dec_return(__v)   atomic_sub_return(1, (__v))
#define	atomic_inc_and_test(__v)   (!atomic_inc_return(__v))
#define	atomic_dec_and_test(__v)   (!atomic_dec_return(__v))
#define	atomic_sub_and_test(__i, __v)   (!atomic_sub_return((__i), (__v)))
#define	atomic_add_negative(__i, __v)   (atomic_sub_return((__i), (__v)) < 0)
#define	atomic_xchg(__v, __new)   vsf_atom_xchg(__VSF_LINUX_ATOM_BITLEN__, &(__v)->counter, (__new))

Macro Definition Documentation

__VSF_LINUX_ATOM_BITLEN__

#define __VSF_LINUX_ATOM_BITLEN__   32

ATOMIC_INIT

#define ATOMIC_INIT

(

__VALUE

)

{ (__VALUE) }

atomic_set

#define atomic_set	(		__v,
			__i
	)		((__v)->counter = (__i))

atomic_read

#define atomic_read

(

__v

)

((__v)->counter)

atomic_add

#define atomic_add	(		__i,
			__v
	)		vsf_atom_add(__VSF_LINUX_ATOM_BITLEN__, &(__v)->counter, (__i))

atomic_sub

#define atomic_sub	(		__i,
			__v
	)		atomic_add(- (__i), (__v))

atomic_inc

#define atomic_inc

(

__v

)

atomic_add(1, __v)

atomic_dec

#define atomic_dec

(

__v

)

atomic_sub(1, __v)

atomic_add_return

#define atomic_add_return	(		__i,
			__v
	)

Value:

    ({                                          \
    int VSF_MACRO_SAFE_NAME(value) = (__i);                                         \
    vsf_atom_add(__VSF_LINUX_ATOM_BITLEN__, &(__v)->counter, VSF_MACRO_SAFE_NAME(value)) + VSF_MACRO_SAFE_NAME(value);\
})

atomic_sub_return

#define atomic_sub_return	(		__i,
			__v
	)		atomic_add_return(- (__i), (__v))

atomic_inc_return

#define atomic_inc_return

(

__v

)

atomic_add_return(1, (__v))

atomic_dec_return

#define atomic_dec_return

(

__v

)

atomic_sub_return(1, (__v))

atomic_inc_and_test

#define atomic_inc_and_test

(

__v

)

(!atomic_inc_return(__v))

atomic_dec_and_test

#define atomic_dec_and_test

(

__v

)

(!atomic_dec_return(__v))

atomic_sub_and_test

#define atomic_sub_and_test	(		__i,
			__v
	)		(!atomic_sub_return((__i), (__v)))

atomic_add_negative

#define atomic_add_negative	(		__i,
			__v
	)		(atomic_sub_return((__i), (__v)) < 0)

atomic_xchg

#define atomic_xchg	(		__v,
			__new
	)		vsf_atom_xchg(__VSF_LINUX_ATOM_BITLEN__, &(__v)->counter, (__new))