================
@@ -324,6 +324,18 @@ Status PipePosix::ReadWithTimeout(void *buf, size_t size,
bytes_read += result;
if (bytes_read == size || result == 0)
break;
+
+ // This is the workaround for the following bug in Linux multithreading
+ // select() https://bugzilla.kernel.org/show_bug.cgi?id=546
+ // ReadWithTimeout() with a non-zero timeout is used only to
+ // read the port number from the gdbserver pipe
+ // in GDBRemoteCommunication::StartDebugserverProcess().
+ // The port number may be "1024\0".."65535\0".
+ if (timeout.count() > 0 && size == 6 && bytes_read == 5 &&
+ static_cast<char *>(buf)[4] == '\0') {
+ break;
+ }
----------------
labath wrote:
It sounds like the consensus on that bug is that this is the application's
(i.e. our) fault. We should fix the issue instead.
https://github.com/llvm/llvm-project/pull/100670
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