/**
* _CPU_set_Is_valid
*
* This routine validates a cpuset size corresponds to
* the system correct size, that at least one
* valid cpu is set and that no invalid cpus are set.
*/
bool _CPU_set_Is_valid( const cpu_set_t *cpuset, size_t setsize )
{
cpu_set_t temp;
if ( !cpuset )
return false;
if ( setsize != cpuset_default.setsize )
return false;
/* Validate at least 1 valid cpu is set in cpuset */
CPU_AND_S( cpuset_default.setsize, &temp, cpuset, cpuset_default.set );
if ( CPU_COUNT_S( setsize, &temp ) == 0 )
return false;
/* Validate that no invalid cpu's are set in cpuset */
if ( !CPU_EQUAL_S( setsize, &temp, cpuset ) )
return false;
return true;
}
bool
gomp_affinity_finalize_place_list (bool quiet)
{
unsigned long i, j;
for (i = 0, j = 0; i < gomp_places_list_len; i++)
{
cpu_set_t *cpusetp = (cpu_set_t *) gomp_places_list[i];
bool nonempty = false;
#ifdef CPU_AND_S
CPU_AND_S (gomp_cpuset_size, cpusetp, cpusetp, gomp_cpusetp);
nonempty = gomp_cpuset_popcount (gomp_cpuset_size, cpusetp) != 0;
#else
unsigned long k, max = gomp_cpuset_size / sizeof (cpusetp->__bits[0]);
for (k = 0; k < max; k++)
if ((cpusetp->__bits[k] &= gomp_cpusetp->__bits[k]) != 0)
nonempty = true;
#endif
if (nonempty)
gomp_places_list[j++] = gomp_places_list[i];
}
if (j == 0)
{
if (!quiet)
gomp_error ("None of the places contain usable logical CPUs");
return false;
}
else if (j < gomp_places_list_len)
{
if (!quiet)
gomp_error ("Number of places reduced from %ld to %ld because some "
"places didn't contain any usable logical CPUs",
gomp_places_list_len, j);
gomp_places_list_len = j;
}
return true;
}
