1ATOMIC_DEC_AND_TEST(9)           Driver Basics          ATOMIC_DEC_AND_TEST(9)
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NAME

6       atomic_dec_and_test - decrement and test
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SYNOPSIS

9       int atomic_dec_and_test(atomic_t * v);
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ARGUMENTS

12       v
13           pointer of type atomic_t
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DESCRIPTION

16       Atomically decrements v by 1 and returns true if the result is 0, or
17       false for all other cases.
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20Kernel Hackers Manual 2.6.       November 2011          ATOMIC_DEC_AND_TEST(9)
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