[GitHub] [incubator-weex] lucky-chen opened a new pull request #2901: [Android] fix white screen cause deadlock

[GitBox <gi...@apache.org>]

lucky-chen opened a new pull request #2901: [Android] fix white screen cause deadlock
URL: https://github.com/apache/incubator-weex/pull/2901
 
 
   - changlog
     - __fix white screen cause deadlock (crash_handler.cpp)__ 
     - add switch for open/close fixlogic
   
   handleSignal maybe cause sig delivered deadLock,and maybe block weexCoreThread on ipc，then cause whiteScreen or other issue unless restart app
   - bug
     - cause 1: [sigaction handler should use async-signal-safe func](http://man7.org/linux/man-pages/man7/signal-safety.7.html#top_of_page)
     - cause 2:other logic crash or dl.
   - solution: 
     - google breakPad dump crash on a new process to avoid bugs.
      - tmp solution (we use): setTimeout 1s,force exit on handleExitAlarm(if has deadLock)

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