1ATOMIC_SUB_AND_TEST(9)           Driver Basics          ATOMIC_SUB_AND_TEST(9)
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NAME

6       atomic_sub_and_test - subtract value from variable and test result
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SYNOPSIS

9       int atomic_sub_and_test(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 true if the result is zero,
20       or false for all other cases.
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23Kernel Hackers Manual 2.6.       November 2011          ATOMIC_SUB_AND_TEST(9)
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