[*] Always reset the sigaction mask (sigemptyset)

Source/Exit/Exit.Unix.cpp

@@ -42,7 +42,6 @@ namespace Aurora::Exit
             .sa_handler = SIG_DFL,
             .sa_flags = SA_ONSTACK
         };
-        
         sigemptyset(&action.sa_mask);
 
         sigaction(SIGINT, &action, nullptr);

Source/Grug/Grug.cpp

@@ -154,7 +154,6 @@ namespace Aurora::Grug
             return;
         }
      
-        //AU_LOCK_GUARD(gMutex);
         gCondVar->Signal();
     }
 

Source/Processes/Process.Unix.cpp

@@ -337,6 +337,7 @@ namespace Aurora::Processes
             .sa_handler = SigChldHandler,
             .sa_flags = SA_ONSTACK
         };
+        sigemptyset(&action.sa_mask);
         sigaction(SIGCHLD, &action, nullptr);
     }
 
@@ -347,6 +348,7 @@ namespace Aurora::Processes
             .sa_handler = SIG_DFL,
             .sa_flags = SA_ONSTACK | SA_NOCLDWAIT
         };
+        sigemptyset(&action.sa_mask);
         sigaction(SIGCHLD, &action, nullptr);
 
         gRWLock.reset();

Source/Threading/Primitives/ConditionVariable.Unix.cpp

@@ -42,7 +42,7 @@ namespace Aurora::Threading::Primitives
         }
         else
         {
-            struct timespec tspec, start;
+            struct timespec tspec;
             Time::ms2tsabs(&tspec, timeout);
 
             auto ret = pthread_cond_timedwait(&pthreadCv_, mutex, &tspec);