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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /scripts/atomic/fallbacks/add_unless | |
parent | Initial commit. (diff) | |
download | linux-430c2fc249ea5c0536abd21c23382884005c9093.tar.xz linux-430c2fc249ea5c0536abd21c23382884005c9093.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'scripts/atomic/fallbacks/add_unless')
-rwxr-xr-x | scripts/atomic/fallbacks/add_unless | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/scripts/atomic/fallbacks/add_unless b/scripts/atomic/fallbacks/add_unless new file mode 100755 index 000000000..2ff598a3f --- /dev/null +++ b/scripts/atomic/fallbacks/add_unless @@ -0,0 +1,16 @@ +cat << EOF +/** + * ${arch}${atomic}_add_unless - add unless the number is already a given value + * @v: pointer of type ${atomic}_t + * @a: the amount to add to v... + * @u: ...unless v is equal to u. + * + * Atomically adds @a to @v, if @v was not already @u. + * Returns true if the addition was done. + */ +static __always_inline bool +${arch}${atomic}_add_unless(${atomic}_t *v, ${int} a, ${int} u) +{ + return ${arch}${atomic}_fetch_add_unless(v, a, u) != u; +} +EOF |