Re: Emacs 22 Carbon+AppKit port and Emacs 23 Mac port

[David Reitter]

On Sep 5, 2009, at 1:28 PM, David Reitter wrote:
> Again: would it be possible to mix and merge parts of the ports,  
> e.g. use YM's event handling code, which is possibly (!) superior?   
> I have seen a number of unexplained crashes with the Nextstep port  
> which usually occur somewhere in the event handling code.  I don't  
> know if this is the possible bug that Yamamoto-san pointed out a few  
> times.


Below is one of these crashes.  Another one that I experienced also  
happened in ns_read_socket + 769.


Process:         Aquamacs [2313]
Path:            /Users/dr/ae.git/nextstep/Aquamacs.app/Contents/MacOS/ 
Aquamacs
Identifier:      org.gnu.AquamacsEmacs
Version:         23 (???)
Code Type:       X86 (Native)
Parent Process:  launchd [186]

Date/Time:       2009-09-08 14:40:06.587 -0400
OS Version:      Mac OS X 10.6 (10A432)
Report Version:  6

Interval Since Last Report:          37275 sec
Crashes Since Last Report:           1
Per-App Interval Since Last Report:  405898 sec
Per-App Crashes Since Last Report:   1
Anonymous UUID:                       
91FCF483-3023-4F2A-952D-036B2116B80B

Exception Type:  EXC_BAD_ACCESS (SIGABRT)
Exception Codes: KERN_INVALID_ADDRESS at 0x000000004020000d
Crashed Thread:  0  Dispatch queue: com.apple.main-thread

Application Specific Information:
abort() called

Thread 0 Crashed:  Dispatch queue: com.apple.main-thread
0   libSystem.B.dylib                   0x9779b972 __kill + 10
1   libSystem.B.dylib                   0x9779b964 kill$UNIX2003 + 32
2   org.gnu.AquamacsEmacs               0x000c3651 fatal_error_signal + 446
3   libSystem.B.dylib                   0x977a0bfb _sigtramp + 43
4   ???                                 0xffffffff 0 + 4294967295
5   libSystem.B.dylib                   0x9782eba5 raise + 26
6   libSystem.B.dylib                   0x97844c5c abort + 93
7   org.gnu.AquamacsEmacs               0x001f5634 ns_term_shutdown + 118
8   org.gnu.AquamacsEmacs               0x000c5e88 shut_down_emacs + 282
9   org.gnu.AquamacsEmacs               0x000c35ee fatal_error_signal + 347
10  libSystem.B.dylib                   0x977a0bfb _sigtramp + 43
11  ???                                 0xffffffff 0 + 4294967295
12  com.apple.Foundation          	0x94072acc __delayedPerformCleanup  
+ 59
13  com.apple.CoreFoundation      	0x97455f22 CFRunLoopTimerInvalidate  
+ 786
14  com.apple.CoreFoundation            0x9741119b __CFRunLoopRun + 7531
15  com.apple.CoreFoundation            0x9740ed34 CFRunLoopRunSpecific + 452
16  com.apple.CoreFoundation            0x9740eb61 CFRunLoopRunInMode + 97
17  com.apple.HIToolbox           	0x97e39fec  
RunCurrentEventLoopInMode + 392
18  com.apple.HIToolbox           	0x97e39cdf ReceiveNextEventCommon +  
158
19  com.apple.HIToolbox           	0x97e39c28  
BlockUntilNextEventMatchingListInMode + 81
20  com.apple.AppKit                    0x92937b99 _DPSNextEvent + 847
21  com.apple.AppKit              	0x9293740e -[NSApplication  
nextEventMatchingMask:untilDate:inMode:dequeue:] + 156
22  com.apple.AppKit                    0x928f95fb -[NSApplication run] + 821
23  org.gnu.AquamacsEmacs               0x001f2391 ns_read_socket + 769
24  org.gnu.AquamacsEmacs               0x000d37b0 read_avail_input + 165
25  org.gnu.AquamacsEmacs               0x000d35fa gobble_input + 176
26  org.gnu.AquamacsEmacs               0x000d3505 get_input_pending + 125
27  org.gnu.AquamacsEmacs         	0x000db253  
detect_input_pending_run_timers + 64
28  org.gnu.AquamacsEmacs               0x000cb84b read_char + 1295
29  org.gnu.AquamacsEmacs               0x000d7bda read_key_sequence + 2649
30  org.gnu.AquamacsEmacs               0x000c8520 command_loop_1 + 1198
31  org.gnu.AquamacsEmacs         	0x00167030 internal_condition_case  
+ 304
32  org.gnu.AquamacsEmacs               0x000c7ca2 command_loop_2 + 53
33  org.gnu.AquamacsEmacs               0x001669c1 internal_catch + 215
34  org.gnu.AquamacsEmacs               0x000c7c2b command_loop + 207
35  org.gnu.AquamacsEmacs               0x000c71ff recursive_edit_1 + 181
36  org.gnu.AquamacsEmacs               0x000c7408 Frecursive_edit + 323
37  org.gnu.AquamacsEmacs               0x000c5710 main + 6412
38  org.gnu.AquamacsEmacs               0x00002a16 start + 54

Thread 1:  Dispatch queue: com.apple.libdispatch-manager
0   libSystem.B.dylib                   0x9776110a kevent + 10
1   libSystem.B.dylib                   0x97761824 _dispatch_mgr_invoke + 215
2   libSystem.B.dylib             	0x97760ce1 _dispatch_queue_invoke +  
163
3   libSystem.B.dylib             	0x97760a86 _dispatch_worker_thread2  
+ 234
4   libSystem.B.dylib                   0x97760511 _pthread_wqthread + 390
5   libSystem.B.dylib                   0x97760356 start_wqthread + 30

Thread 0 crashed with X86 Thread State (32-bit):
  eax: 0x00000000  ebx: 0x000c34a0  ecx: 0xbfffd55c  edx: 0x9779b972
  edi: 0x105fa580  esi: 0x00000006  ebp: 0xbfffd578  esp: 0xbfffd55c
   ss: 0x0000001f  efl: 0x00000286  eip: 0x9779b972   cs: 0x00000007
   ds: 0x0000001f   es: 0x0000001f   fs: 0x00000000   gs: 0x00000037
  cr2: 0x0076f000

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