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hwloc-2.0: use hwloc_linux_read_path_as_cpumask() #576

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hwloc-2.0: use hwloc_linux_read_path_as_cpumask() #576

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9 changes: 3 additions & 6 deletions runtime/realm/threads.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -1470,15 +1470,12 @@ namespace Realm {
std::set<int>& sibling_ids) {
char str[1024];
sprintf(str, "/sys/devices/system/cpu/cpu%d/topology/thread_siblings", cpu_id);
FILE *f = fopen(str, "r");
if(!f) {
hwloc_bitmap_t set = hwloc_bitmap_alloc();

if (hwloc_linux_read_path_as_cpumask(str, set) < 0) {
log_thread.warning() << "can't read '" << str << "' - skipping";
return false;
}
hwloc_bitmap_t set = hwloc_bitmap_alloc();
hwloc_linux_parse_cpumap_file(f, set);

fclose(f);

// loop over all siblings (except ourselves)
for(int siblingid = hwloc_bitmap_first(set);
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