From 90838f676a57d8afbc9926d84408b14311269801 Mon Sep 17 00:00:00 2001
From: CallMeFoxie <ashley@victorianfox.com>
Date: Fri, 22 Sep 2023 10:54:51 +0200
Subject: [PATCH] Correctly detect CPU cores when cpuset cgroup is used

---
 client/hostinfo_unix.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/client/hostinfo_unix.cpp b/client/hostinfo_unix.cpp
index cec9401f5f7..358a8a3d814 100644
--- 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);