By the way, I checked with wireshark and [NSHost currentHost] sends 3 pairs (IPv4 and IPv6) MDNS (multicast DNS used by Bonjour) PTR queries for the IPv6 address and waits for response until it times out. This really isn't a good method to be called by gdk_display_get_name() which could actually return arbitrary string because unlike X11 there will never be more displays.
By the way I noticed there's also g_get_host_name() which is a more user-friendly way to call gethostname(). Jiri On Wed, Feb 15, 2017 at 10:33 PM, Jiří Techet <tec...@gmail.com> wrote: > Hi, > > after switching to macOS Sierra I (and another user) noticed that Geany > whose OS X port I maintain starts significantly slower: > > https://github.com/geany/geany/issues/1277 > > After some debugging it turns out it's the gdk_display_get_name() call > which takes several seconds to complete. This function just returns [NSHost > currentHost]; according to Apple documentation > > https://developer.apple.com/reference/foundation/nshost/ > 1408946-currenthost > > the function can block for several seconds, depending on user's > configuration. I found some more mentions of this behaviour, e.g. > > http://secure.macscripter.net/viewtopic.php?id=45309 > > Interestingly, simple unix gethostname() as used in Apple's implementation > of the hostname command > > https://opensource.apple.com/source/shell_cmds/shell_cmds- > 81.1/hostname/hostname.c > > returns immediately (at least for me). Would it be OK to use gethostname() > in gdk_display_get_name()? Is there some specific reason why [NSHost > currentHost] is used? > > Cheers, > > Jiri >
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