ATOMIC_DEC_AND_TEST(9) Driver Basics ATOMIC_DEC_AND_TEST(9) NAME atomic_dec_and_test - decrement and test SYNOPSIS int atomic_dec_and_test(atomic_t * v); ARGUMENTS v pointer of type atomic_t DESCRIPTION Atomically decrements v by 1 and returns true if the result is 0, or false for all other cases. COPYRIGHT Kernel Hackers Manual 2.6. November 2013 ATOMIC_DEC_AND_TEST(9)[top]
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