implemented SignalRouter; signal functionality complete

easyconf-lemonbar/Module.py

@@ -1,7 +1,7 @@
 from threading import Thread
 from subprocess import run
 from time import sleep
-from signal import SIGRTMIN, SIGUSR1, sigtimedwait
+from signal import SIGRTMIN, SIGUSR1, sigtimedwait, sigwait
 
 class Module:
     # All text that the module contains. Will be re-generated every time the
@@ -105,18 +105,15 @@ class Module:
                     break
                 sleep(self.refresh)
             else:
-                sig = sigtimedwait([self.signal], self.refresh)
-                if sig:
-                    print("Recieved signal " + str(sig))
-                    continue
+                if self.refresh == 0:
+                    sigwait([self.signal])
+                else:
+                    sig = sigtimedwait([self.signal], self.refresh)
+                    if sig:
+                        print("Recieved signal " + str(sig))
+                        continue
 
     def start_thread(self):
         thread = Thread(target=self.thread_callback)
         thread.start()
-        self.__ident = thread.ident
-
-    def get_ident(self):
-        if self.__ident:
-            return self.__ident
-        else:
-            return None
+        self.ident = thread.ident

easyconf-lemonbar/SignalRouter.py

@@ -1,13 +1,13 @@
-from signal import SIGRTMIN, SIGTERM, pthread_kill, signal
-from sys import exit
-from threading import enumerate as th_enumerate
+from signal import pthread_kill
+from signal import signal as sigsignal
 
 class SignalRouter:
-    def term(self, sig, frame):
-        print("Term signal received! Safely closing threads!")
-        for thread in th_enumerate():
-            pthread_kill(thread.ident, SIGTERM)
+    def __route_signal(self, signal, frame):
+        pthread_kill(self.signal_thread_dictionary[signal], signal)
 
     def __init__(self):
-        signal(SIGTERM, self.term)
-        signal(SIGRTMIN, self.rtmin)
+        self.signal_thread_dictionary = {}
+
+    def register_signal_thread(self, signal, thread_ident):
+        self.signal_thread_dictionary[signal] = thread_ident
+        sigsignal(signal, self.__route_signal)

easyconf-lemonbar/main.py

@@ -21,6 +21,8 @@ def main():
         module = Module(module_config, padding, bar)
         bar.add_module(module)
         module.start_thread()
+        if module.signal:
+            signal_router.register_signal_thread(module.signal, module.ident)