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Author SHA1 Message Date
Daniel Dunbar af77e22b36 CrashRecoveryContext: Add a simple POSIX implementation. 
- This works, but won't handle crashes on stack overflow, or signals delivered
   to a thread other than the one that crashed. The latter is particular annoying
   on Darwin, because SIGABRT tends to go to the main thread.

llvm-svn: 109717
 2010-07-29 01:21:47 +00:00
Daniel Dunbar 19a3b37441 Support: Add CrashRecoveryContext helper object. 
- Designed as a simple wrapper to allow clients to attempt to catch crashes
   (memory errors, assertion violations, etc.) and do some kind of recovery.

 - Currently doesn't actually attempt to catch crashes.

llvm-svn: 109586
 2010-07-28 15:40:20 +00:00