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make job control work in console shell

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This commit is contained in:
Daniel Barlow 2023-11-29 19:49:51 +00:00
parent 382128b6cf
commit e518ab667b
1 changed files with 15 additions and 7 deletions
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22
modules/s6/default.nix
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@ -81,14 +81,22 @@ let
};
getty = dir {
run = {
# We can't run a useful shell on /dev/console because
# /dev/console is not allowed to be the controlling
# tty of any process, which means ^C ^Z etc don't work.
# So we work out what the *actual* console device is
# using sysfs and open our shell there instead.
file = ''
#!${execline}/bin/execlineb -P
${execline}/bin/redirfd -w 2 /dev/console
${execline}/bin/fdmove -c 1 2
${execline}/bin/redirfd -r 0 /dev/console
${execline}/bin/cd /
/bin/ash -l
'';
#!${execline}/bin/execlineb -P
${execline}/bin/cd /
redirfd -r 0 /sys/devices/virtual/tty/console/active
withstdinas CONSOLETTY
importas CONSOLETTY CONSOLETTY
redirfd -w 2 /dev/''${CONSOLETTY}
fdmove -c 1 2
redirfd -r 0 /dev/''${CONSOLETTY}
/bin/ash -l
'';
mode = "0755";
};
down-signal = {