Fix signal handling for POSIX (only tested on Linux) processes in multi-threaded programs.
Also fix a related issue where if a thread exits after a thread continue, lldb would hang.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@185944 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed