lib: Refactor gathering CPU core count

[sliver-openvswitch.git] / lib / ovs-thread.c

diff --git a/lib/ovs-thread.c b/lib/ovs-thread.c
index b3a87bb..02436e5 100644 (file)
--- a/lib/ovs-thread.c
+++ b/lib/ovs-thread.c
@@ -309,4 +309,14 @@ may_fork(void)
 {
     return !must_not_fork;
 }
+\f
+/* Returns the total number of cores on this system, or 0 if the number cannot
+ * be determined. */
+unsigned int
+count_cpu_cores(void)
+{
+    long int n_cores = sysconf(_SC_NPROCESSORS_ONLN);
+
+    return n_cores > 0 ? n_cores : 0;
+}
 #endif