On 28/07/2016 20:34, Corinna Vinschen wrote:
On Jul 28 12:43, Jon Turney wrote:
GDB with the patch from [1] can report and use these names.

This is still WIP, right?

Yes, that's right.

--- a/winsup/cygwin/cygthread.cc
+++ b/winsup/cygwin/cygthread.cc
@@ -213,6 +213,8 @@ cygthread::create ()
                            this, 0, &id);
       if (!htobe)
        api_fatal ("CreateThread failed for %s - %p<%y>, %E", __name, h, id);
+      else
+       SetThreadName(GetThreadId(htobe), __name);
                    ^^^         ^^^
                   space?      space?

Just wondering: Wouldn't it make sense to rename the internal threads
so they either always start with "cyg_" or with double underscore or
something like that to mark them as internal?  E.g.

Yeah, I wanted to do something like that.

But messing with the thread names may have other consequences (See fhandler_tty.cc:109), and I was a bit wary of introducing a malloc/free to into cygthread::create() to dynamically make the name with a "__" prepended

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