rupprecht accepted this revision. rupprecht added inline comments. This revision is now accepted and ready to land.
================ Comment at: lldb/source/Host/posix/ProcessLauncherPosixFork.cpp:293 + r = llvm::sys::RetryAfterSignal(-1, read, pipe.GetReadFileDescriptor(), pos, + buf.end() - pos); + } while (r > 0); ---------------- labath wrote: > rupprecht wrote: > > IIUC, this will overrun the buffer if there are >1000 bytes to read; > > whereas previously we just wouldn't have read everything. > > > > Should each loop iteration grow the buffer by a certain amount? Otherwise I > > think we need to remove the loop. > It won't overrun because I am passing the remaining part of the buffer as the > size argument. However, I am not totally sure what would happen if we > actually filled the buffer (and size becomes zero). That won't happen right > now because the error string is coming from `ExitWithError` (line 50) and its > length is limited by the longest errno message. That said, the dynamical > resize is quite simple in this case, so I might as well do it. Thanks! I still think it's good to be dynamic in case this assumption changes one day, and the error string ends up being longer than 1000 bytes. Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D133352/new/ https://reviews.llvm.org/D133352 _______________________________________________ lldb-commits mailing list lldb-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-commits