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ash: add FEATURE_SH_NOFORK support

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Denis Vlasenko
2008-04-12 20:07:53 +00:00
parent 4a9ca13fe7
commit 9bc80d7062
2 changed files with 35 additions and 0 deletions
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17
shell/Config.in
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@@ -287,6 +287,23 @@ config FEATURE_SH_STANDALONE
# that exact location with that exact name, this option will not work at
# all.
config FEATURE_SH_NOFORK
bool "Run 'nofork' applets directly"
default n
depends on (MSH || LASH || HUSH || ASH) && FEATURE_PREFER_APPLETS
help
This option causes busybox shells [currently only ash]
to not execute typical fork/exec/wait sequence, but call <applet>_main
directly, if possible. (Sometimes it is not possible: for example,
this is not possible in pipes).
This will be done only for some applets (those which are marked
NOFORK in include/applets.h).
This may significantly speed up some shell scripts.
This feature is relatively new. Use with care.
config CTTYHACK
bool "cttyhack"
default n