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#define _GNU_SOURCE
#include <sched.h>
#include <haproxy/compat.h>
#include <haproxy/cpuset.h>
#include <haproxy/intops.h>
struct cpu_map cpu_map;
void ha_cpuset_zero(struct hap_cpuset *set)
{
#if defined(CPUSET_USE_CPUSET) || defined(CPUSET_USE_FREEBSD_CPUSET)
CPU_ZERO(&set->cpuset);
#elif defined(CPUSET_USE_ULONG)
set->cpuset = 0;
#endif
}
int ha_cpuset_set(struct hap_cpuset *set, int cpu)
{
if (cpu >= ha_cpuset_size())
return 1;
#if defined(CPUSET_USE_CPUSET) || defined(CPUSET_USE_FREEBSD_CPUSET)
CPU_SET(cpu, &set->cpuset);
return 0;
#elif defined(CPUSET_USE_ULONG)
set->cpuset |= (0x1 << cpu);
return 0;
#endif
}
int ha_cpuset_clr(struct hap_cpuset *set, int cpu)
{
if (cpu >= ha_cpuset_size())
return 1;
#if defined(CPUSET_USE_CPUSET) || defined(CPUSET_USE_FREEBSD_CPUSET)
CPU_CLR(cpu, &set->cpuset);
return 0;
#elif defined(CPUSET_USE_ULONG)
set->cpuset &= ~(0x1 << cpu);
return 0;
#endif
}
void ha_cpuset_and(struct hap_cpuset *dst, struct hap_cpuset *src)
{
#if defined(CPUSET_USE_CPUSET)
CPU_AND(&dst->cpuset, &dst->cpuset, &src->cpuset);
#elif defined(CPUSET_USE_FREEBSD_CPUSET)
CPU_AND(&dst->cpuset, &src->cpuset);
#elif defined(CPUSET_USE_ULONG)
dst->cpuset &= src->cpuset;
#endif
}
int ha_cpuset_count(const struct hap_cpuset *set)
{
#if defined(CPUSET_USE_CPUSET) || defined(CPUSET_USE_FREEBSD_CPUSET)
return CPU_COUNT(&set->cpuset);
#elif defined(CPUSET_USE_ULONG)
return my_popcountl(set->cpuset);
#endif
}
int ha_cpuset_ffs(const struct hap_cpuset *set)
{
#if defined(CPUSET_USE_CPUSET)
int n;
if (!CPU_COUNT(&set->cpuset))
return 0;
for (n = 0; !CPU_ISSET(n, &set->cpuset); ++n)
;
return n + 1;
#elif defined(CPUSET_USE_FREEBSD_CPUSET)
return CPU_FFS(&set->cpuset);
#elif defined(CPUSET_USE_ULONG)
if (!set->cpuset)
return 0;
return my_ffsl(set->cpuset);
#endif
}
void ha_cpuset_assign(struct hap_cpuset *dst, struct hap_cpuset *src)
{
#if defined(CPUSET_USE_CPUSET)
CPU_ZERO(&dst->cpuset);
CPU_OR(&dst->cpuset, &dst->cpuset, &src->cpuset);
#elif defined(CPUSET_USE_FREEBSD_CPUSET)
CPU_COPY(&src->cpuset, &dst->cpuset);
#elif defined(CPUSET_USE_ULONG)
dst->cpuset = src->cpuset;
#endif
}
int ha_cpuset_size()
{
#if defined(CPUSET_USE_CPUSET) || defined(CPUSET_USE_FREEBSD_CPUSET)
return CPU_SETSIZE;
#elif defined(CPUSET_USE_ULONG)
return LONGBITS;
#endif
}
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