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Macros
atomic.h File Reference
#include <linux/types.h>
#include <asm/barrier.h>
#include <asm/cmpxchg.h>

Go to the source code of this file.

Macros

#define ATOMIC_INIT(i)   { (i) }
 
#define ATOMIC64_INIT(i)   { (i) }
 
#define atomic_read(v)   (*(volatile int *)&(v)->counter)
 
#define atomic64_read(v)   (*(volatile long *)&(v)->counter)
 
#define atomic_set(v, i)   ((v)->counter = (i))
 
#define atomic64_set(v, i)   ((v)->counter = (i))
 
#define atomic64_cmpxchg(v, old, new)   (cmpxchg(&((v)->counter), old, new))
 
#define atomic64_xchg(v, new)   (xchg(&((v)->counter), new))
 
#define atomic_cmpxchg(v, old, new)   (cmpxchg(&((v)->counter), old, new))
 
#define atomic_xchg(v, new)   (xchg(&((v)->counter), new))
 
#define atomic64_inc_not_zero(v)   atomic64_add_unless((v), 1, 0)
 
#define atomic_add_negative(a, v)   (atomic_add_return((a), (v)) < 0)
 
#define atomic64_add_negative(a, v)   (atomic64_add_return((a), (v)) < 0)
 
#define atomic_dec_return(v)   atomic_sub_return(1,(v))
 
#define atomic64_dec_return(v)   atomic64_sub_return(1,(v))
 
#define atomic_inc_return(v)   atomic_add_return(1,(v))
 
#define atomic64_inc_return(v)   atomic64_add_return(1,(v))
 
#define atomic_sub_and_test(i, v)   (atomic_sub_return((i), (v)) == 0)
 
#define atomic64_sub_and_test(i, v)   (atomic64_sub_return((i), (v)) == 0)
 
#define atomic_inc_and_test(v)   (atomic_add_return(1, (v)) == 0)
 
#define atomic64_inc_and_test(v)   (atomic64_add_return(1, (v)) == 0)
 
#define atomic_dec_and_test(v)   (atomic_sub_return(1, (v)) == 0)
 
#define atomic64_dec_and_test(v)   (atomic64_sub_return(1, (v)) == 0)
 
#define atomic_inc(v)   atomic_add(1,(v))
 
#define atomic64_inc(v)   atomic64_add(1,(v))
 
#define atomic_dec(v)   atomic_sub(1,(v))
 
#define atomic64_dec(v)   atomic64_sub(1,(v))
 
#define smp_mb__before_atomic_dec()   smp_mb()
 
#define smp_mb__after_atomic_dec()   smp_mb()
 
#define smp_mb__before_atomic_inc()   smp_mb()
 
#define smp_mb__after_atomic_inc()   smp_mb()
 

Macro Definition Documentation

#define atomic64_add_negative (   a,
  v 
)    (atomic64_add_return((a), (v)) < 0)

Definition at line 230 of file atomic.h.

#define atomic64_cmpxchg (   v,
  old,
  new 
)    (cmpxchg(&((v)->counter), old, new))

Definition at line 172 of file atomic.h.

#define atomic64_dec (   v)    atomic64_sub(1,(v))

Definition at line 251 of file atomic.h.

#define atomic64_dec_and_test (   v)    (atomic64_sub_return(1, (v)) == 0)

Definition at line 245 of file atomic.h.

#define atomic64_dec_return (   v)    atomic64_sub_return(1,(v))

Definition at line 233 of file atomic.h.

#define atomic64_inc (   v)    atomic64_add(1,(v))

Definition at line 248 of file atomic.h.

#define atomic64_inc_and_test (   v)    (atomic64_add_return(1, (v)) == 0)

Definition at line 242 of file atomic.h.

#define atomic64_inc_not_zero (   v)    atomic64_add_unless((v), 1, 0)

Definition at line 227 of file atomic.h.

#define atomic64_inc_return (   v)    atomic64_add_return(1,(v))

Definition at line 236 of file atomic.h.

#define ATOMIC64_INIT (   i)    { (i) }

Definition at line 18 of file atomic.h.

#define atomic64_read (   v)    (*(volatile long *)&(v)->counter)

Definition at line 21 of file atomic.h.

#define atomic64_set (   v,
  i 
)    ((v)->counter = (i))

Definition at line 24 of file atomic.h.

#define atomic64_sub_and_test (   i,
  v 
)    (atomic64_sub_return((i), (v)) == 0)

Definition at line 239 of file atomic.h.

#define atomic64_xchg (   v,
  new 
)    (xchg(&((v)->counter), new))

Definition at line 173 of file atomic.h.

#define atomic_add_negative (   a,
  v 
)    (atomic_add_return((a), (v)) < 0)

Definition at line 229 of file atomic.h.

#define atomic_cmpxchg (   v,
  old,
  new 
)    (cmpxchg(&((v)->counter), old, new))

Definition at line 175 of file atomic.h.

#define atomic_dec (   v)    atomic_sub(1,(v))

Definition at line 250 of file atomic.h.

#define atomic_dec_and_test (   v)    (atomic_sub_return(1, (v)) == 0)

Definition at line 244 of file atomic.h.

#define atomic_dec_return (   v)    atomic_sub_return(1,(v))

Definition at line 232 of file atomic.h.

#define atomic_inc (   v)    atomic_add(1,(v))

Definition at line 247 of file atomic.h.

#define atomic_inc_and_test (   v)    (atomic_add_return(1, (v)) == 0)

Definition at line 241 of file atomic.h.

#define atomic_inc_return (   v)    atomic_add_return(1,(v))

Definition at line 235 of file atomic.h.

#define ATOMIC_INIT (   i)    { (i) }

Definition at line 17 of file atomic.h.

#define atomic_read (   v)    (*(volatile int *)&(v)->counter)

Definition at line 20 of file atomic.h.

#define atomic_set (   v,
  i 
)    ((v)->counter = (i))

Definition at line 23 of file atomic.h.

#define atomic_sub_and_test (   i,
  v 
)    (atomic_sub_return((i), (v)) == 0)

Definition at line 238 of file atomic.h.

#define atomic_xchg (   v,
  new 
)    (xchg(&((v)->counter), new))

Definition at line 176 of file atomic.h.

#define smp_mb__after_atomic_dec ( )    smp_mb()

Definition at line 254 of file atomic.h.

#define smp_mb__after_atomic_inc ( )    smp_mb()

Definition at line 256 of file atomic.h.

#define smp_mb__before_atomic_dec ( )    smp_mb()

Definition at line 253 of file atomic.h.

#define smp_mb__before_atomic_inc ( )    smp_mb()

Definition at line 255 of file atomic.h.