Call pthread_setname_np if available

jhawthorn · Dec 9, 2023 · 8fcaa80 · 8fcaa80
1 parent 312072d
commit 8fcaa80
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diff --git a/ext/vernier/extconf.rb b/ext/vernier/extconf.rb
@@ -10,4 +10,6 @@
 
 have_func("rb_profile_thread_frames", "ruby/debug.h")
 
+have_func("pthread_setname_np")
+
 create_makefile("vernier/vernier")
diff --git a/ext/vernier/vernier.cc b/ext/vernier/vernier.cc
@@ -1367,6 +1367,13 @@ class TimeCollector : public BaseCollector {
     }
 
     static void *sample_thread_entry(void *arg) {
+#if HAVE_PTHREAD_SETNAME_NP
+#ifdef __APPLE__
+        pthread_setname_np("Vernier profiler");
+#else
+        pthread_setname_np(pthread_self(), "Vernier profiler");
+#endif
+#endif
         TimeCollector *collector = static_cast<TimeCollector *>(arg);
         collector->sample_thread_run();
         return NULL;
Original file line number	Diff line number	Diff line change
Expand Up		@@ -10,4 +10,6 @@

		have_func("rb_profile_thread_frames", "ruby/debug.h")

		have_func("pthread_setname_np")

		create_makefile("vernier/vernier")