fix: use blocking GLib main context iteration to prevent CPU busy-spin

.packit.yaml

@@ -20,6 +20,7 @@ jobs:
   - job: copr_build
     trigger: pull_request
     targets:
+      - fedora-rawhide
       - fedora-eln
 
   - job: copr_build

simpleline/event_loop/glib_event_loop.py

@@ -43,8 +43,9 @@
 
 class GLibEventLoop(AbstractEventLoop):
 
-    def __init__(self):
+    def __init__(self, blocking=True):
         super().__init__()
+        self._blocking = blocking
         # Create first loop
         loop = GLib.MainLoop()
         self._event_loops = [EventLoopData(loop)]
@@ -208,12 +209,9 @@ def process_signals(self, return_after=None):
         else:
             self._iterate_event_loop(loop_data.loop)
 
-    @staticmethod
-    def _iterate_event_loop(event_loop):
+    def _iterate_event_loop(self, event_loop):
         context = event_loop.get_context()
-        # This is useful for tests
-        wait_on_timeout = False
-        context.iteration(wait_on_timeout)
+        context.iteration(self._blocking)
 
 
 class EventLoopData():

tests/units/glib/__init__.py

@@ -42,7 +42,7 @@ def _quit_loop(self, loop):
     def create_glib_loop(self):
         # clear flags
         self.timeout_error = False
-        self.loop = GLibEventLoop()
+        self.loop = GLibEventLoop(blocking=False)
 
         loop = self.loop.active_main_loop
         context = loop.get_context()