1ATOMIC64_DEC_AND_TES(9)          Driver Basics         ATOMIC64_DEC_AND_TES(9)
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NAME

6       atomic64_dec_and_test - decrement and test
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SYNOPSIS

9       int atomic64_dec_and_test(atomic64_t * ptr);
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ARGUMENTS

12       ptr
13           pointer to type atomic64_t
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DESCRIPTION

16       Atomically decrements ptr 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.         June 2019           ATOMIC64_DEC_AND_TES(9)
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