inc_not_zero 345 B

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  1. cat <<EOF
  2. /**
  3. * arch_${atomic}_inc_not_zero - increment unless the number is zero
  4. * @v: pointer of type ${atomic}_t
  5. *
  6. * Atomically increments @v by 1, if @v is non-zero.
  7. * Returns true if the increment was done.
  8. */
  9. static __always_inline bool
  10. arch_${atomic}_inc_not_zero(${atomic}_t *v)
  11. {
  12. return arch_${atomic}_add_unless(v, 1, 0);
  13. }
  14. EOF