Functions
static int	hwloc_cpuset_to_glibc_sched_affinity (hwloc_topology_t topology, hwloc_const_cpuset_t hwlocset, cpu_set_t *schedset, size_t schedsetsize)

static int	hwloc_cpuset_from_glibc_sched_affinity (hwloc_topology_t topology, hwloc_cpuset_t hwlocset, const cpu_set_t *schedset, size_t schedsetsize)

Detailed Description

This interface offers ways to convert between hwloc cpusets and glibc cpusets such as those manipulated by sched_getaffinity() or pthread_attr_setaffinity_np().

Note: Topology topology must match the current machine.

Function Documentation

◆ hwloc_cpuset_from_glibc_sched_affinity()

static int hwloc_cpuset_from_glibc_sched_affinity	(	hwloc_topology_t	topology,
		hwloc_cpuset_t	hwlocset,
		const cpu_set_t *	schedset,
		size_t	schedsetsize
	)

inlinestatic

Convert glibc sched affinity CPU set schedset into hwloc CPU set.

This function may be used before calling sched_setaffinity or any other function that takes a cpu_set_t as input parameter.

schedsetsize should be sizeof(cpu_set_t) unless schedset was dynamically allocated with CPU_ALLOC

Returns: 0 on success.; -1 with errno set to ENOMEM if some internal reallocation failed.

◆ hwloc_cpuset_to_glibc_sched_affinity()

static int hwloc_cpuset_to_glibc_sched_affinity	(	hwloc_topology_t	topology,
		hwloc_const_cpuset_t	hwlocset,
		cpu_set_t *	schedset,
		size_t	schedsetsize
	)