static int
hwloc_aix_set_sth_cpubind(hwloc_topology_t topology, rstype_t what, rsid_t who, hwloc_const_bitmap_t hwloc_set, int flags __hwloc_attribute_unused)
{
rsethandle_t rad;
int res;
unsigned cpu;
if (flags & HWLOC_CPUBIND_NOMEMBIND) {
errno = ENOSYS;
return -1;
}
/* The resulting binding is always strict */
if (hwloc_bitmap_isequal(hwloc_set, hwloc_topology_get_complete_cpuset(topology))) {
if (ra_detachrset(what, who, 0))
return -1;
return 0;
}
rad = rs_alloc(RS_EMPTY);
hwloc_bitmap_foreach_begin(cpu, hwloc_set)
rs_op(RS_ADDRESOURCE, rad, NULL, R_PROCS, cpu);
hwloc_bitmap_foreach_end();
res = ra_attachrset(what, who, rad, 0);
rs_free(rad);
return res;
}
static int
hwloc_aix_set_sth_cpubind(hwloc_topology_t topology, rstype_t what, rsid_t who, pid_t pid, hwloc_const_bitmap_t hwloc_set, int flags __hwloc_attribute_unused)
{
rsethandle_t rad;
int res;
unsigned cpu;
if (flags & HWLOC_CPUBIND_NOMEMBIND) {
errno = ENOSYS;
return -1;
}
/* The resulting binding is always strict */
if (hwloc_bitmap_isequal(hwloc_set, hwloc_topology_get_complete_cpuset(topology))) {
if (ra_detachrset(what, who, 0))
return -1;
return 0;
}
rad = rs_alloc(RS_EMPTY);
hwloc_bitmap_foreach_begin(cpu, hwloc_set)
rs_op(RS_ADDRESOURCE, rad, NULL, R_PROCS, cpu);
hwloc_bitmap_foreach_end();
res = ra_attachrset(what, who, rad, 0);
if (res < 0 && errno == EPERM) {
/* EPERM may mean that one thread has ben bound with bindprocessor().
* Unbind the entire process (we can't unbind individual threads)
* and try again.
*/
bindprocessor(BINDPROCESS, pid, PROCESSOR_CLASS_ANY);
res = ra_attachrset(what, who, rad, 0);
}
rs_free(rad);
return res;
}
