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MINOR: cpuset: make the API support negative CPU IDs

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Negative IDs are very convenient to mean "not set", so let's just make
the cpuset API robust against this, especially with ha_cpuset_isset()
so that we don't have to manually add this check everywhere when a
value is not known.
This commit is contained in:
Willy Tarreau 2025-03-12 18:46:25 +01:00
parent f156baf8ce
commit 32bb68e736
1 changed files with 3 additions and 3 deletions
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6
src/cpuset.c
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@ -21,7 +21,7 @@ void ha_cpuset_zero(struct hap_cpuset *set)
int ha_cpuset_set(struct hap_cpuset *set, int cpu)
{
if (cpu >= ha_cpuset_size())
if (cpu < 0 || cpu >= ha_cpuset_size())
return 1;
#if defined(CPUSET_USE_CPUSET) || defined(CPUSET_USE_FREEBSD_CPUSET)
@ -36,7 +36,7 @@ int ha_cpuset_set(struct hap_cpuset *set, int cpu)
int ha_cpuset_clr(struct hap_cpuset *set, int cpu)
{
if (cpu >= ha_cpuset_size())
if (cpu < 0 || cpu >= ha_cpuset_size())
return 1;
#if defined(CPUSET_USE_CPUSET) || defined(CPUSET_USE_FREEBSD_CPUSET)
@ -77,7 +77,7 @@ void ha_cpuset_or(struct hap_cpuset *dst, struct hap_cpuset *src)
int ha_cpuset_isset(const struct hap_cpuset *set, int cpu)
{
if (cpu >= ha_cpuset_size())
if (cpu < 0 || cpu >= ha_cpuset_size())
return 0;
#if defined(CPUSET_USE_CPUSET) || defined(CPUSET_USE_FREEBSD_CPUSET)