[all-commits] [llvm/llvm-project] 87dc06: [lldb] [debugserver] Handle interrupted reads corr...

[Jason Molenda via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 87dc068280aaddc98acb7865ae3df1d248f4a170
      https://github.com/llvm/llvm-project/commit/87dc068280aaddc98acb7865ae3df1d248f4a170
  Author: Jason Molenda <jmolenda at apple.com>
  Date:   2024-03-12 (Tue, 12 Mar 2024)

  Changed paths:
    M lldb/tools/debugserver/source/RNBSocket.cpp

  Log Message:
  -----------
  [lldb] [debugserver] Handle interrupted reads correctly (#84872)

The first half of this patch is a long-standing annoyance, if I attach
to debugserver with lldb while it is waiting for an lldb connection, the
syscall is interrupted and it doesn't retry, debugserver exits
immediately.

The second half is a request from another tool that is communicating
with debugserver, that we retry reads on our sockets in the same way. I
haven't dug in to the details of how they're communicating that this is
necessary, but the best I've been able to find reading the POSIX API
docs, this is fine.

rdar://117113298



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