diff options
Diffstat (limited to 'package/utils/busybox/config/init/Config.in')
| -rw-r--r-- | package/utils/busybox/config/init/Config.in | 49 |
1 files changed, 32 insertions, 17 deletions
diff --git a/package/utils/busybox/config/init/Config.in b/package/utils/busybox/config/init/Config.in index 634207f7f9..021656d3f9 100644 --- a/package/utils/busybox/config/init/Config.in +++ b/package/utils/busybox/config/init/Config.in @@ -76,10 +76,21 @@ config BUSYBOX_CONFIG_INIT help init is the first program run when the system boots. +config BUSYBOX_CONFIG_LINUXRC + bool "Support running init from within an initrd (not initramfs)" + default BUSYBOX_DEFAULT_LINUXRC + select BUSYBOX_CONFIG_FEATURE_SYSLOG + help + Legacy support for running init under the old-style initrd. Allows + the name linuxrc to act as init, and it doesn't assume init is PID 1. + + This does not apply to initramfs, which runs /init as PID 1 and + requires no special support. + config BUSYBOX_CONFIG_FEATURE_USE_INITTAB bool "Support reading an inittab file" default BUSYBOX_DEFAULT_FEATURE_USE_INITTAB - depends on BUSYBOX_CONFIG_INIT + depends on BUSYBOX_CONFIG_INIT || BUSYBOX_CONFIG_LINUXRC help Allow init to read an inittab file when the system boot. @@ -106,7 +117,7 @@ config BUSYBOX_CONFIG_FEATURE_KILL_DELAY config BUSYBOX_CONFIG_FEATURE_INIT_SCTTY bool "Run commands with leading dash with controlling tty" default BUSYBOX_DEFAULT_FEATURE_INIT_SCTTY - depends on BUSYBOX_CONFIG_INIT + depends on BUSYBOX_CONFIG_INIT || BUSYBOX_CONFIG_LINUXRC help If this option is enabled, init will try to give a controlling tty to any command which has leading hyphen (often it's "-/bin/sh"). @@ -121,40 +132,29 @@ config BUSYBOX_CONFIG_FEATURE_INIT_SCTTY config BUSYBOX_CONFIG_FEATURE_INIT_SYSLOG bool "Enable init to write to syslog" default BUSYBOX_DEFAULT_FEATURE_INIT_SYSLOG - depends on BUSYBOX_CONFIG_INIT + depends on BUSYBOX_CONFIG_INIT || BUSYBOX_CONFIG_LINUXRC config BUSYBOX_CONFIG_FEATURE_EXTRA_QUIET bool "Be _extra_ quiet on boot" default BUSYBOX_DEFAULT_FEATURE_EXTRA_QUIET - depends on BUSYBOX_CONFIG_INIT + depends on BUSYBOX_CONFIG_INIT || BUSYBOX_CONFIG_LINUXRC help Prevent init from logging some messages to the console during boot. config BUSYBOX_CONFIG_FEATURE_INIT_COREDUMPS bool "Support dumping core for child processes (debugging only)" default BUSYBOX_DEFAULT_FEATURE_INIT_COREDUMPS - depends on BUSYBOX_CONFIG_INIT + depends on BUSYBOX_CONFIG_INIT || BUSYBOX_CONFIG_LINUXRC help If this option is enabled and the file /.init_enable_core exists, then init will call setrlimit() to allow unlimited core file sizes. If this option is disabled, processes will not generate any core files. -config BUSYBOX_CONFIG_FEATURE_INITRD - bool "Support running init from within an initrd (not initramfs)" - default BUSYBOX_DEFAULT_FEATURE_INITRD - depends on BUSYBOX_CONFIG_INIT - help - Legacy support for running init under the old-style initrd. Allows - the name linuxrc to act as init, and it doesn't assume init is PID 1. - - This does not apply to initramfs, which runs /init as PID 1 and - requires no special support. - config BUSYBOX_CONFIG_INIT_TERMINAL_TYPE string "Initial terminal type" default BUSYBOX_DEFAULT_INIT_TERMINAL_TYPE - depends on BUSYBOX_CONFIG_INIT + depends on BUSYBOX_CONFIG_INIT || BUSYBOX_CONFIG_LINUXRC help This is the initial value set by init for the TERM environment variable. This variable is used by programs which make use of @@ -162,6 +162,21 @@ config BUSYBOX_CONFIG_INIT_TERMINAL_TYPE Note that on Linux, init attempts to detect serial terminal and sets TERM to "vt102" if one is found. + +config BUSYBOX_CONFIG_FEATURE_INIT_MODIFY_CMDLINE + bool "Modify the command-line to \"init\"" + default BUSYBOX_DEFAULT_FEATURE_INIT_MODIFY_CMDLINE + depends on BUSYBOX_CONFIG_INIT || BUSYBOX_CONFIG_LINUXRC + help + When launched as PID 1 and after parsing its arguments, init + wipes all the arguments but argv[0] and rewrites argv[0] to + contain only "init", so that its command-line appears solely as + "init" in tools such as ps. + If this option is set to Y, init will keep its original behavior, + otherwise, all the arguments including argv[0] will be preserved, + be they parsed or ignored by init. + The original command-line used to launch init can then be + retrieved in /proc/1/cmdline on Linux, for example. config BUSYBOX_CONFIG_MESG bool "mesg" default BUSYBOX_DEFAULT_MESG |