- Fix to print error when system does not have setaffinity.

NLnetLabs · Mar 20, 2020 · d3825f5 · d3825f5
1 parent 6638394
commit d3825f5
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diff --git a/doc/ChangeLog b/doc/ChangeLog
@@ -1,5 +1,6 @@
 20 March 2020: Wouter
 	- Merge PR #83 from noloader: Fix GNU HURD sched_setaffinity compile.
+	- Fix to print error when system does not have setaffinity.
 
 19 March 2020: Wouter
 	- Fix #76: cpuid typedef for Hurd, DragonflyBSD compile.

diff --git a/util.c b/util.c
@@ -1185,8 +1185,16 @@ int number_of_cpus(void)
 	return -1;
 }
 #endif
-#ifdef HAVE_SCHED_SETAFFINITY
-/* Linux and HURD */
+#ifdef __gnu_hurd__
+/* HURD has no sched_setaffinity implementation, but links an always fail,
+ * with a linker error, we print an error when it is used */
+int set_cpu_affinity(cpuset_t *ATTR_UNUSED(set))
+{
+	log_err("sched_setaffinity: not available on this system");
+	return -1;
+}
+#elif defined(HAVE_SCHED_SETAFFINITY)
+/* Linux */
 int set_cpu_affinity(cpuset_t *set)
 {
 	assert(set != NULL);