Correctly detect CPU cores when cpuset cgroup is used

BOINC · Sep 22, 2023 · 4154f30 · 4154f30
1 parent 16a8fa2
commit 4154f30
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/client/hostinfo_unix.cpp b/client/hostinfo_unix.cpp
@@ -1334,6 +1334,12 @@ int HOST_INFO::get_cpu_count() {
     if(cpus_sys_path > p_ncpus){
         p_ncpus = cpus_sys_path;
     }
+#elif __GNU_LIBRARY__ /* glibc */
+  cpu_set_t set;
+
+  if(sched_getaffinity (0, sizeof (set), &set) == 0) {
+      p_ncpus = CPU_COUNT (&set);
+    }
 #elif defined(_SC_NPROCESSORS_ONLN) && !defined(__EMX__) && !defined(__APPLE__)
     // sysconf not working on OS2
     p_ncpus = sysconf(_SC_NPROCESSORS_ONLN);