Avoid force quit

SwiftNeoVim/NeoVimAgent.h

@@ -17,6 +17,7 @@ NS_ASSUME_NONNULL_BEGIN
 @interface NeoVimAgent : NSObject
 
 @property (nonatomic) bool useInteractiveZsh;
+@property (readonly, atomic) bool neoVimIsQuitting;
 @property (nonatomic, weak) id <NeoVimUiBridgeProtocol> bridge;
 
 - (instancetype)initWithUuid:(NSString *)uuid;

SwiftNeoVim/NeoVimAgent.m

@@ -111,6 +111,10 @@ static CFDataRef local_server_callback(CFMessagePortRef local, SInt32 msgid, CFD
   return self;
 }
 
+- (bool)neoVimIsQuitting {
+  return _neoVimIsQuitting == 1;
+}
+
 // We cannot use -dealloc for this since -dealloc is not called until the run loop in the thread stops.
 - (void)quit {
   OSAtomicOr32Barrier(1, &_neoVimIsQuitting);
@@ -407,9 +411,12 @@ static CFDataRef local_server_callback(CFMessagePortRef local, SInt32 msgid, CFD
   if (responseCode != kCFMessagePortSuccess) {
     log_cfmachport_error(responseCode, msgid, data);
 
+    if (_neoVimIsQuitting == 0) {
       [_bridge ipcBecameInvalid:
           [NSString stringWithFormat:@"Reason: sending msg to neovim failed for %d with %d", msgid, responseCode]
       ];
+    }
+
     return nil;
   }
 

SwiftNeoVim/NeoVimView.swift

@@ -1441,6 +1441,10 @@ extension NeoVimView {
   public func ipcBecameInvalid(_ reason: String) {
     NSLog("ERROR \(#function): force-quitting")
     DispatchUtils.gui {
+      if self.agent.neoVimIsQuitting {
+        return
+      }
+
       self.delegate?.ipcBecameInvalid(reason: reason)
       self.agent.quit()
     }