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author | Ingo Molnar <mingo@kernel.org> | 2019-02-11 16:27:05 +0300 |
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committer | Ingo Molnar <mingo@kernel.org> | 2019-02-11 16:27:05 +0300 |
commit | 41b8687191cfd0326db03b0e82fb09d8c98ca641 (patch) | |
tree | a214babca0a181c67c25a615d608465a5f92f8c4 /scripts/atomic/fallbacks/add_negative | |
parent | 49262de2270e09882d7bd8866a691cdd69ab32f6 (diff) | |
parent | bdf37b4dd35d2517cadc10735cd33022da7df133 (diff) | |
download | linux-41b8687191cfd0326db03b0e82fb09d8c98ca641.tar.xz |
Merge branch 'locking/atomics' into locking/core, to pick up WIP commits
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'scripts/atomic/fallbacks/add_negative')
-rwxr-xr-x | scripts/atomic/fallbacks/add_negative | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/scripts/atomic/fallbacks/add_negative b/scripts/atomic/fallbacks/add_negative new file mode 100755 index 000000000000..e6f4815637de --- /dev/null +++ b/scripts/atomic/fallbacks/add_negative @@ -0,0 +1,16 @@ +cat <<EOF +/** + * ${atomic}_add_negative - add and test if negative + * @i: integer value to add + * @v: pointer of type ${atomic}_t + * + * Atomically adds @i to @v and returns true + * if the result is negative, or false when + * result is greater than or equal to zero. + */ +static inline bool +${atomic}_add_negative(${int} i, ${atomic}_t *v) +{ + return ${atomic}_add_return(i, v) < 0; +} +EOF |