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-rw-r--r--package/utils/busybox/config/init/Config.in49
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