From c7a3acb01d89df374cbe63f76044283819e83c15 Mon Sep 17 00:00:00 2001
From: "Peter W. Draper" <p.w.draper@durham.ac.uk>
Date: Fri, 10 Feb 2023 13:38:35 +0000
Subject: [PATCH] Only expose pthread_setaffinity_np call when HAVE_SETAFFINITY
is defined
---
src/threadpool.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/threadpool.c b/src/threadpool.c
index 5fddd59ae8..85092b5d6a 100644
--- a/src/threadpool.c
+++ b/src/threadpool.c
@@ -44,8 +44,10 @@
static pthread_key_t threadpool_tid;
/* Affinity mask shared by all threads, and if set. */
+#ifdef HAVE_SETAFFINITY
static cpu_set_t thread_affinity;
static int thread_affinity_set = 0;
+#endif
/* Local declarations. */
static void threadpool_apply_affinity_mask(void);
@@ -446,7 +448,9 @@ void threadpool_set_affinity_mask(cpu_set_t *affinity) {
*
*/
static void threadpool_apply_affinity_mask(void) {
+#ifdef HAVE_SETAFFINITY
if (thread_affinity_set) {
pthread_setaffinity_np(pthread_self(), sizeof(cpu_set_t), &thread_affinity);
}
+#endif
}
--
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