It's not that it's a bug, it's that the Hurd has never had POSIX-1996 multithreaded signal semantics. The Hurd implementation predates those specifications.
- Problems with signal delivery Jeremie Koenig
- Re: Problems with signal delivery Samuel Thibault
- Re: Problems with signal delivery Arne Babenhauserheide
- Re: Problems with signal delivery Roland McGrath
- Re: Problems with signal delivery Jeremie Koenig
- Re: Problems with signal deliv... Roland McGrath
- Re: Problems with signal d... Neal H. Walfield
- Re: Problems with signal d... Samuel Thibault
- Re: Problems with sign... Jeremie Koenig
- Re: Problems with signal delivery Roland McGrath
- Re: Problems with signal delivery Jeremie Koenig
- [PATCH] Deliver pending signals unblocked b... Jeremie Koenig
- Re: [PATCH] Deliver pending signals unb... Samuel Thibault
- Re: [PATCH] Deliver pending signals... Jeremie Koenig