Add debugging for tmux crash

TmuxController.m

@@ -65,6 +65,9 @@ static NSString *kListWindowsFormat = @"\"#{session_name}\t#{window_id}\t"
         origins_ = [[NSMutableDictionary alloc] init];
         pendingWindowOpens_ = [[NSMutableSet alloc] init];
 		hiddenWindows_ = [[NSMutableSet alloc] init];
+#ifdef TMUX_CRASH_DEBUG
+        NSLog(@"Register %@ with the controller registry");
+#endif
         [[TmuxControllerRegistry sharedInstance] setController:self
                                                      forClient:@""];  // Set a proper client name
     }
@@ -73,8 +76,6 @@ static NSString *kListWindowsFormat = @"\"#{session_name}\t#{window_id}\t"
 - (void)dealloc
 {
-    [[TmuxControllerRegistry sharedInstance] setController:nil
-                                                 forClient:@""];  // Set a proper client name
     [gateway_ release];
     [windowPanes_ release];
     [windows_ release];
@@ -88,6 +89,25 @@ static NSString *kListWindowsFormat = @"\"#{session_name}\t#{window_id}\t"
     [super dealloc];
 }
+#ifdef TMUX_CRASH_DEBUG
+- (oneway void)release {
+    NSLog(@"Release %@ to %d from %@", self, [self retainCount] - 1, [NSThread callStackSymbols]);
+    [super release];
+}
+
+- (id)retain {
+    id x = [super retain];
+    NSLog(@"Retain %@ to %d from %@", self, [self retainCount], [NSThread callStackSymbols]);
+    return x;
+}
+
+- (id)autorelease {
+    id x = [super autorelease];
+    NSLog(@"Autorelease %@ to %d from %@",  self, [self retainCount], [NSThread callStackSymbols]);
+    return x;
+}
+#endif
+
 - (void)openWindowWithIndex:(int)windowIndex
                        name:(NSString *)name
                        size:(NSSize)size
@@ -332,6 +352,11 @@ static NSString *kListWindowsFormat = @"\"#{session_name}\t#{window_id}\t"
     gateway_ = nil;
     [[NSNotificationCenter defaultCenter] postNotificationName:kTmuxControllerDetachedNotification
                                                         object:self];
+#ifdef TMUX_CRASH_DEBUG
+    NSLog(@"Deallocating TmuxController. Removing it from registry");
+#endif
+    [[TmuxControllerRegistry sharedInstance] setController:nil
+                                                 forClient:@""];  // Set a proper client name
 }
 - (BOOL)windowDidResize:(PseudoTerminal *)term

TmuxControllerRegistry.m

@@ -36,9 +36,19 @@
 - (void)setController:(TmuxController *)controller forClient:(TmuxClient *)client
 {
+#ifdef TMUX_CRASH_DEBUG
+    NSLog(@"setController:forClient: called.");
+    NSLog(@"Controllers are: %@", controllers_);
+#endif
     if (controller) {
+#ifdef TMUX_CRASH_DEBUG
+        NSLog(@"Set controller for client %@ to %@", client, controller);
+#endif
         [controllers_ setObject:controller forKey:client];
     } else {
+#ifdef TMUX_CRASH_DEBUG
+        NSLog(@"Remove controller for client %@", client);
+#endif
         [controllers_ removeObjectForKey:client];
     }
 }

TmuxGateway.m

@@ -15,7 +15,7 @@ NSString * const kTmuxGatewayErrorDomain = @"kTmuxGatewayErrorDomain";;
 #define NEWLINE @"\r"
-//#define TMUX_VERBOSE_LOGGING
+#define TMUX_VERBOSE_LOGGING
 #ifdef TMUX_VERBOSE_LOGGING
 #define TmuxLog NSLog
 #else

iTerm.xcodeproj/project.pbxproj

@@ -2237,6 +2237,7 @@
 				GCC_DYNAMIC_NO_PIC = NO;
 				GCC_GENERATE_DEBUGGING_SYMBOLS = YES;
 				GCC_OPTIMIZATION_LEVEL = 0;
+				GCC_PREPROCESSOR_DEFINITIONS = TMUX_CRASH_DEBUG;
 				GCC_VERSION = com.apple.compilers.llvmgcc42;
 				GCC_WARN_ABOUT_MISSING_PROTOTYPES = YES;
 				GCC_WARN_FOUR_CHARACTER_CONSTANTS = NO;