Crash on PingFoundation dealloc #138
Description
根據文檔，或許我們不應該在 PingFoundation dealloc 時調用 [self stop] ？
Crash call stack:
Crashed: SearchSerialQueue (QOS: UNSPECIFIED)
0 CFNetwork 0xca530 CFHostUnscheduleFromRunLoop + 60
1 RealReachability 0xa230 -[PingFoundation stopHostResolution] + 800 (PingFoundation.m:800)
2 RealReachability 0xa2d0 -[PingFoundation stop] + 816 (PingFoundation.m:816)
3 RealReachability 0x8d0c -[PingFoundation dealloc] + 188 (PingFoundation.m:188)
4 RealReachability 0xa990 -[PingHelper setHost:] + 116 (PingHelper.m:116)
...