I don't know. It's bette to ask ridiculousfish about it. Maxim
On Mon, 23 Jul 2012 01:33:13 +0800, Jan Kanis <j...@jankanis.nl> wrote: > But now that fish is multithreaded, it's perhaps possible to execute > background functions in a separate thread? Or is the main > function-executing part of the new fish not multithreaded? > > On Sat, Jul 21, 2012 at 4:13 AM, Maxim Gonchar <gma...@gmail.com> wrote: > >> Hi, >> >> As far as I understand, since fish do not use subshells, but executes >> functions in the same thread, >> it can not run functions in the background. >> I do not know, if there exist is a simple way to implement background >> functions. >> >> A partial workaround is to run a new fish instance to simulate a real >> subshell: >> fish -c 'q 10s'& >> fish -c 'q 3s' & >> >> Of course this way is a bit limiting: the subfish will 'see' only >> exported >> and universal variables and only saved functions. >> >> Maxim >> >> On Sat, 21 Jul 2012 08:48:21 +0800, Steven Hum <sdot...@gmail.com> >> wrote: >> >> > Yeah, it is weird. A better (?) function illustrating the problem is >> > >> > function q; echo $argv;sleep $argv;echo $argv;end >> > q 10s&; q 3s&;q 6s& >> > 10s >> > 10s >> > 3s >> > 3s >> > 6s >> > 6s >> > Job 3, “q 6s&” has ended >> > Job 2, “q 3s&” has ended >> > Job 1, “q 10s&” has ended >> > >> > The sequence should be job 2,3,1, yet the function calls are completed >> > in sequence (with observed delays) 10s, 3s and 6s rather than yielding >> > >> > 10s >> > 3s >> > 6s >> > 3s >> > 6s >> > 10s >> > >> > Using ".. ;and ... ;and ... &" to join statements would still only >> > process the last command in background and not the block of commands - >> > yielding results similar to above. >> > >> > Steven >> > -- >> > On Fri, 20 Jul 2012 at 03:15pm, Philip Ganchev wrote: >> > >> >> On Fri, Jul 20, 2012 at 10:51 AM, Steven Hum <sdot...@gmail.com> >> wrote: >> >> > I posted this in the github issues and don't mean to double post, >> but >> >> if >> >> > "...statement...&" is intended only to work for simple commands, >> e.g. >> >> > >> >> > sleep 10s&; sleep 3s&; sleep 6s& >> >> > >> >> > (silly example, I know!) then I can close the ticket as this may >> not >> >> be a bug >> >> > by design. >> >> > >> >> > What I found was, for functions, e.g. >> >> > >> >> > function q; echo $argv; sleep 10s; echo $argv; end >> >> > >> >> > and execute >> >> > >> >> > q 1 &; q 2 &; q 3 & >> >> > >> >> > the output is >> >> > >> >> > 1 >> >> > 1 >> >> > 2 >> >> > 2 >> >> > 3 >> >> > 3 >> >> > Job 3, “q 3 &” has ended >> >> > Job 2, “q 2 &” has ended >> >> > Job 1, “q 1 &” has ended >> >> [...] >> >> >> >> This is very surprising to me. I'm curious about the rationale here. >> I >> >> would expect the output: >> >> >> >> 1 >> >> 2 >> >> 3 >> >> 1 >> >> Job 1, “q 1 &” has ended >> >> 2 >> >> Job 2, “q 2 &” has ended >> >> 3 >> >> Job 3, “q 3 &” has ended >> >> >> >> > If there is a correct "fish" way of spawning background function >> >> processes, my >> >> > second question is: is there a way to spawn a block of commands in >> >> background >> >> > similar to POSIX "(command1 && command2 && command3...) &". I tried >> >> "begin; >> >> > ...statements...; end &" but fish does not like that either (not >> >> surprisingly >> >> > given the above!) >> >> >> >> command1; and command2; and command3 >> >> >> >> [...] >> > >> > >> > >> ------------------------------------------------------------------------------ >> > Live Security Virtual Conference >> > Exclusive live event will cover all the ways today's security and >> > threat landscape has changed and how IT managers can respond. >> Discussions >> > will include endpoint security, mobile security and the latest in >> malware >> > threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ >> > _______________________________________________ >> > Fish-users mailing list >> > Fish-users@lists.sourceforge.net >> > https://lists.sourceforge.net/lists/listinfo/fish-users >> >> >> ------------------------------------------------------------------------------ >> Live Security Virtual Conference >> Exclusive live event will cover all the ways today's security and >> threat landscape has changed and how IT managers can respond. >> Discussions >> will include endpoint security, mobile security and the latest in >> malware >> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ >> _______________________________________________ >> Fish-users mailing list >> Fish-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/fish-users ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. 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