diff options
| -rw-r--r-- | src/nix-daemon/nix-daemon.cc | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/nix-daemon/nix-daemon.cc b/src/nix-daemon/nix-daemon.cc index 6b5dd7e5a..a6f29b7c9 100644 --- a/src/nix-daemon/nix-daemon.cc +++ b/src/nix-daemon/nix-daemon.cc @@ -25,8 +25,13 @@ using namespace nix; that lack it, we only notice the disconnection the next time we try to write to the client. So if you have a builder that never generates output on stdout/stderr, the daemon will never notice - that the client has disconnected until the builder terminates. */ -#ifdef O_ASYNC + that the client has disconnected until the builder terminates. + + GNU/Hurd does have O_ASYNC, but its Unix-domain socket translator + (pflocal) does not implement F_SETOWN. See + <http://lists.gnu.org/archive/html/bug-guix/2013-07/msg00021.html> for + details.*/ +#if defined O_ASYNC && !defined __GNU__ #define HAVE_HUP_NOTIFICATION #ifndef SIGPOLL #define SIGPOLL SIGIO |