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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /scripts/atomic/fallbacks/inc_not_zero | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'scripts/atomic/fallbacks/inc_not_zero')
-rwxr-xr-x | scripts/atomic/fallbacks/inc_not_zero | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/scripts/atomic/fallbacks/inc_not_zero b/scripts/atomic/fallbacks/inc_not_zero new file mode 100755 index 000000000..ed8a1f562 --- /dev/null +++ b/scripts/atomic/fallbacks/inc_not_zero @@ -0,0 +1,14 @@ +cat <<EOF +/** + * arch_${atomic}_inc_not_zero - increment unless the number is zero + * @v: pointer of type ${atomic}_t + * + * Atomically increments @v by 1, if @v is non-zero. + * Returns true if the increment was done. + */ +static __always_inline bool +arch_${atomic}_inc_not_zero(${atomic}_t *v) +{ + return arch_${atomic}_add_unless(v, 1, 0); +} +EOF |