diff options
Diffstat (limited to 'scripts/atomic/fallbacks/dec_and_test')
-rwxr-xr-x | scripts/atomic/fallbacks/dec_and_test | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/scripts/atomic/fallbacks/dec_and_test b/scripts/atomic/fallbacks/dec_and_test new file mode 100755 index 000000000..8549f359b --- /dev/null +++ b/scripts/atomic/fallbacks/dec_and_test @@ -0,0 +1,15 @@ +cat <<EOF +/** + * arch_${atomic}_dec_and_test - decrement and test + * @v: pointer of type ${atomic}_t + * + * Atomically decrements @v by 1 and + * returns true if the result is 0, or false for all other + * cases. + */ +static __always_inline bool +arch_${atomic}_dec_and_test(${atomic}_t *v) +{ + return arch_${atomic}_dec_return(v) == 0; +} +EOF |