Avoid setting thread affinity of 0 in mac (#5962) (#5971)

mergify[bot] · cferreiragonz · web-flow · commit 110b0a7a21e7 · 2025-08-27T11:20:56.000+02:00
(cherry picked from commit bc89cda) Signed-off-by: cferreiragonz <carlosferreira@eprosima.com> Co-authored-by: Carlos Ferreira González <carlosferreira@eprosima.com>
diff --git a/src/cpp/utils/threading/threading_osx.ipp b/src/cpp/utils/threading/threading_osx.ipp
@@ -129,7 +129,7 @@ static void configure_current_thread_affinity(
         const char* thread_name,
         uint64_t affinity)
 {
-    if (affinity <= static_cast<uint64_t>(std::numeric_limits<integer_t>::max()))
+    if (affinity != 0 && affinity <= static_cast<uint64_t>(std::numeric_limits<integer_t>::max()))
     {
         int result = 0;
         thread_affinity_policy_data_t policy = { static_cast<integer_t>(affinity) };

Original file line number	Diff line number	Diff line change
`@@ -129,7 +129,7 @@ static void configure_current_thread_affinity(`
`129`	`129`	`const char* thread_name,`
`130`	`130`	`uint64_t affinity)`
`131`	`131`	`{`
`132`		`- if (affinity <= static_cast<uint64_t>(std::numeric_limits<integer_t>::max()))`
	`132`	`+ if (affinity != 0 && affinity <= static_cast<uint64_t>(std::numeric_limits<integer_t>::max()))`
`133`	`133`	`{`
`134`	`134`	`int result = 0;`
`135`	`135`	`thread_affinity_policy_data_t policy = { static_cast<integer_t>(affinity) };`