1ATOMIC_SUB_AND_TEST(9) Driver Basics ATOMIC_SUB_AND_TEST(9)
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4
NAME
6atomic_sub_and_test - subtract value from variable and test result
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SYNOPSIS
9int atomic_sub_and_test(int i, atomic_t * v);
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ARGUMENTS
12i
13integer value to subtract
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v
16pointer of type atomic_t
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DESCRIPTION
19Atomically subtracts i from v and returns true if the result is zero,
20or false for all other cases.
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COPYRIGHT
23Kernel Hackers Manual 2.6. June 2019 ATOMIC_SUB_AND_TEST(9)