1ATOMIC_SUB_RETURN(9)             Driver Basics            ATOMIC_SUB_RETURN(9)
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NAME

6       atomic_sub_return - subtract integer and return
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SYNOPSIS

9       int atomic_sub_return(int i, atomic_t * v);
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ARGUMENTS

12       i
13           integer value to subtract
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15       v
16           pointer of type atomic_t
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DESCRIPTION

19       Atomically subtracts i from v and returns v - i
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22Kernel Hackers Manual 2.6.       November 2011            ATOMIC_SUB_RETURN(9)
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