#include <linux/percpu.h>
#include <linux/atomic.h>
#include <asm/asm.h>
Go to the source code of this file.
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| #define | LOCAL_INIT(i) { ATOMIC_LONG_INIT(i) } |
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| #define | local_read(l) atomic_long_read(&(l)->a) |
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| #define | local_set(l, i) atomic_long_set(&(l)->a, (i)) |
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| #define | local_inc_return(l) (local_add_return(1, l)) |
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| #define | local_dec_return(l) (local_sub_return(1, l)) |
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| #define | local_cmpxchg(l, o, n) (cmpxchg_local(&((l)->a.counter), (o), (n))) |
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| #define | local_xchg(l, n) (xchg(&((l)->a.counter), (n))) |
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| #define | local_add_unless(l, a, u) |
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| #define | local_inc_not_zero(l) local_add_unless((l), 1, 0) |
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| #define | __local_inc(l) local_inc(l) |
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| #define | __local_dec(l) local_dec(l) |
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| #define | __local_add(i, l) local_add((i), (l)) |
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| #define | __local_sub(i, l) local_sub((i), (l)) |
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| #define local_add_unless |
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Value:({ \
for (;;) { \
break; \
break; \
c = old; \
} \
})
local_add_unless - add unless the number is a given value : pointer of type local_t : the amount to add to l... : ...unless l is equal to u.
Atomically adds to , so long as it was not . Returns non-zero if was not , and zero otherwise.
Definition at line 172 of file local.h.
| #define local_read |
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atomic_long_read(&(l)->a) |
| #define local_set |
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| atomic_long_set(&(l)->a, (i)) |
1.8.2