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ATOMIC_SUB_AND_TEST(9) Driver Basics ATOMIC_SUB_AND_TEST(9)

NAME

atomic_sub_and_test - subtract value from variable and test result

SYNOPSIS

int atomic_sub_and_test(int i, atomic_t * v);

ARGUMENTS

i
integer value to subtract
v
pointer of type atomic_t

DESCRIPTION

Atomically subtracts i from v and returns true if the result is zero, or false for all other cases.

COPYRIGHT

May 2018 Kernel Hackers Manual 3.16