objective-c - iOS 异常 EXC_GUARD

Question

我在 iPhone 4 上发生崩溃，异常类型为 EXC_GUARD。我无法通过谷歌(只有 1 个结果)或 stackoverflow 找到有关此特定异常的任何信息。这是什么？

Version:         ??? (???)
Code Type:       ARM (Native)
Parent Process:  launchd [1]

Date/Time:       2012-10-24 14:29:53.740 -0700
OS Version:      iOS 6.0 (10A403)
Report Version:  104

Exception Type:  EXC_GUARD
Exception Codes: 0x0000000100000010, 0x08fd4dbfade2dead
Crashed Thread:  0

Thread 0 name:  MAIN  Dispatch queue: com.apple.main-thread
Thread 0 Crashed:
0   libsystem_kernel.dylib          0x32f25294 close + 8
1   Twine                           0x00230b8e close_file + 10
2   Twine                           0x00218774 -[TFAirTrafficController startSession] + 752
3   Twine                           0x002169fa +[TestFlight takeOff:] + 122

Answer 1

https://devforums.apple.com/message/713606

这是 TestFlight 中的一个错误，导致关闭 duff 文件句柄。这会导致崩溃。