Add "vAttachOrWait" to debugserver, so you can implement "attach to the process if it exists OR wait for it" without race conditions.  Use that in lldb.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@160578 91177308-0d34-0410-b5e6-96231b3b80d8
14 files changed