Use shorter thread names for FFI's callbacks

The thread name is truncated in gdb to 15 characters, so that there was no distiction between "Callback Runner" and "Callback Dispatcher".

3 files changed, 4 insertions, 4 deletions

diff --git a/ext/ffi_c/Function.c b/ext/ffi_c/Function.c
index 30478d9..11d0a6d 100644
--- a/ext/ffi_c/Function.c
+++ b/ext/ffi_c/Function.c
@@ -311,7 +311,7 @@ function_init(VALUE self, VALUE rbFunctionInfo, VALUE rbProc)
         if (async_cb_thread == Qnil) {
             async_cb_thread = rb_thread_create(async_cb_event, NULL);
             /* Name thread, for better debugging */
-            rb_funcall(async_cb_thread, rb_intern("name="), 1, rb_str_new2("FFI::Function Callback Dispatcher"));
+            rb_funcall(async_cb_thread, rb_intern("name="), 1, rb_str_new2("FFI Callback Dispatcher"));
         }
 #endif
 
@@ -529,7 +529,7 @@ async_cb_event(void* unused)
             /* Start up a new ruby thread to run the ruby callback */
             VALUE new_thread = rb_thread_create(async_cb_call, w.cb);
             /* Name thread, for better debugging */
-            rb_funcall(new_thread, rb_intern("name="), 1, rb_str_new2("FFI::Function Callback Runner"));
+            rb_funcall(new_thread, rb_intern("name="), 1, rb_str_new2("FFI Callback Runner"));
         }
     }
 
diff --git a/spec/ffi/async_callback_spec.rb b/spec/ffi/async_callback_spec.rb
index d770355..51a4886 100644
--- a/spec/ffi/async_callback_spec.rb
+++ b/spec/ffi/async_callback_spec.rb
@@ -48,6 +48,6 @@ describe "async callback" do
 
     LibTest.testAsyncCallback(proc { callback_runner_thread = Thread.current }, 0)
 
-    expect(callback_runner_thread.name).to eq("FFI::Function Callback Runner")
+    expect(callback_runner_thread.name).to eq("FFI Callback Runner")
   end
 end
diff --git a/spec/ffi/function_spec.rb b/spec/ffi/function_spec.rb
index a7d6dc7..5bc2421 100644
--- a/spec/ffi/function_spec.rb
+++ b/spec/ffi/function_spec.rb
@@ -26,7 +26,7 @@ describe FFI::Function do
       skip 'this is MRI-specific' if RUBY_ENGINE == 'truffleruby' || RUBY_ENGINE == 'jruby'
       FFI::Function.new(:int, []) { 5 } # Trigger initialization
 
-      expect(Thread.list.map(&:name)).to include('FFI::Function Callback Dispatcher')
+      expect(Thread.list.map(&:name)).to include('FFI Callback Dispatcher')
     end
   end