Don't lock up app on close on macos

Author: tmolitor-stud-tu

Monal/Classes/HelperTools.h

@@ -101,6 +101,7 @@ void swizzle(Class c, SEL orig, SEL new);
 +(BOOL) isAppSuspended;
 +(void) signalSuspension;
 +(void) signalResumption;
++(void) activateTerminationLogging;
 +(void) __attribute__((noreturn)) MLAssertWithText:(NSString*) text andUserData:(id _Nullable) additionalData andFile:(const char* const) file andLine:(int) line andFunc:(const char* const) func;
 +(void) __attribute__((noreturn)) handleRustPanicWithText:(NSString*) text andBacktrace:(NSString*) backtrace;
 +(void) __attribute__((noreturn)) throwExceptionWithName:(NSString*) name reason:(NSString*) reason userInfo:(NSDictionary* _Nullable) userInfo;

Monal/Classes/HelperTools.m

@@ -136,7 +136,9 @@ -(void) swizzled_queueLogMessage:(DDLogMessage*) logMessage asynchronously:(BOOL
 void exitLogging(void)
 {
     DDLogInfo(@"exit() was called...");
-    [HelperTools flushLogsWithTimeout:0.250];
+    //make sure to unfreeze logging before flushing everything and terminating
+    [HelperTools activateTerminationLogging];
+    [HelperTools flushLogsWithTimeout:0.025];
     return;
 }
 
@@ -511,10 +513,8 @@ +(void) __attribute__((noreturn)) handleRustPanicWithText:(NSString*) text andBa
     _crash_info.backtrace = backtrace.UTF8String;
 
     //log error and flush all logs
-    [DDLog flushLog];
     DDLogError(@"*****************\n%@\n%@", abort_msg, backtrace);
-    [DDLog flushLog];
-    [HelperTools flushLogsWithTimeout:0.250];
+    [HelperTools flushLogsWithTimeout:0.025];
 
     //now abort everything
     abort();
@@ -2212,6 +2212,18 @@ +(void) signalResumption
     }
 }
 
++(void) activateTerminationLogging
+{
+    @synchronized(_suspensionHandling_lock) {
+        if(_suspensionHandling_isSuspended)
+        {
+            DDLogVerbose(@"Activating logging for app termination...");
+            dispatch_resume([DDLog loggingQueue]);
+            _suspensionHandling_isSuspended = NO;
+        }
+    }
+}
+
 +(void) configureXcodeLogging
 {
     //only start console logger

Monal/Classes/MonalAppDelegate.m

@@ -1244,23 +1244,23 @@ -(void) applicationDidEnterBackground:(UIApplication*) application
 #endif
 }
 
--(void) applicationWillTerminate:(UIApplication *)application
+-(void) applicationWillTerminate:(UIApplication*) application
 {
     @synchronized(self) {
+        [HelperTools activateTerminationLogging];       //activate logging during shutdown
         DDLogVerbose(@"Setting _shutdownPending to YES...");
         _shutdownPending = YES;
         DDLogWarn(@"|~~| T E R M I N A T I N G |~~|");
-        [HelperTools scheduleBackgroundTask:YES];        //make sure delivery will be attempted, if needed (force as soon as possible)
+        [HelperTools scheduleBackgroundTask:YES];       //make sure delivery will be attempted, if needed (force as soon as possible)
         DDLogInfo(@"|~~| 33%% |~~|");
         [[MLXMPPManager sharedInstance] nowBackgrounded];
         DDLogInfo(@"|~~| 66%% |~~|");
         [HelperTools updateSyncErrorsWithDeleteOnly:NO andWaitForCompletion:YES];
         DDLogInfo(@"|~~| 99%% |~~|");
         [[MLXMPPManager sharedInstance] disconnectAll];
         DDLogInfo(@"|~~| T E R M I N A T E D |~~|");
-        [DDLog flushLog];
+        [HelperTools activateTerminationLogging];       //ensure our flush is really successful
         [HelperTools flushLogsWithTimeout:0.025];
-        [DDLog flushLog];
     }
 }
 

Monal/NotificationService/NotificationService.m

@@ -133,7 +133,6 @@ -(void) killAppex
     [NotificationService setAppexCleanShutdownStatus:YES];
 
     DDLogInfo(@"Now killing appex process, goodbye...");
-    [HelperTools flushLogsWithTimeout:0.100];
     exit(0);
 }
 
@@ -605,7 +604,6 @@ -(void) serviceExtensionTimeWillExpire
 #endif
 
         DDLogInfo(@"Committing suicide...");
-        [HelperTools flushLogsWithTimeout:0.100];
         exit(0);
 
 /*