diff options
Diffstat (limited to 'package/busybox/config/init')
| -rw-r--r-- | package/busybox/config/init/Config.in | 227 |
1 files changed, 109 insertions, 118 deletions
diff --git a/package/busybox/config/init/Config.in b/package/busybox/config/init/Config.in index 9e17c790c..e27e0ea86 100644 --- a/package/busybox/config/init/Config.in +++ b/package/busybox/config/init/Config.in @@ -1,122 +1,130 @@ # DO NOT EDIT. This file is generated from Config.src # # For a description of the syntax of this configuration file, -# see scripts/kbuild/config-language.txt. +# see docs/Kconfig-language.txt. # menu "Init Utilities" config BUSYBOX_BOOTCHARTD - bool "bootchartd" - default n + bool "bootchartd (10 kb)" + default y help - bootchartd is commonly used to profile the boot process - for the purpose of speeding it up. In this case, it is started - by the kernel as the init process. This is configured by adding - the init=/sbin/bootchartd option to the kernel command line. + bootchartd is commonly used to profile the boot process + for the purpose of speeding it up. In this case, it is started + by the kernel as the init process. This is configured by adding + the init=/sbin/bootchartd option to the kernel command line. - It can also be used to monitor the resource usage of a specific - application or the running system in general. In this case, - bootchartd is started interactively by running bootchartd start - and stopped using bootchartd stop. + It can also be used to monitor the resource usage of a specific + application or the running system in general. In this case, + bootchartd is started interactively by running bootchartd start + and stopped using bootchartd stop. config BUSYBOX_FEATURE_BOOTCHARTD_BLOATED_HEADER bool "Compatible, bloated header" default y depends on BUSYBOX_BOOTCHARTD help - Create extended header file compatible with "big" bootchartd. - "Big" bootchartd is a shell script and it dumps some - "convenient" info int the header, such as: - title = Boot chart for `hostname` (`date`) - system.uname = `uname -srvm` - system.release = `cat /etc/DISTRO-release` - system.cpu = `grep '^model name' /proc/cpuinfo | head -1` ($cpucount) - system.kernel.options = `cat /proc/cmdline` - This data is not mandatory for bootchart graph generation, - and is considered bloat. Nevertheless, this option - makes bootchartd applet to dump a subset of it. + Create extended header file compatible with "big" bootchartd. + "Big" bootchartd is a shell script and it dumps some + "convenient" info into the header, such as: + title = Boot chart for `hostname` (`date`) + system.uname = `uname -srvm` + system.release = `cat /etc/DISTRO-release` + system.cpu = `grep '^model name' /proc/cpuinfo | head -1` ($cpucount) + system.kernel.options = `cat /proc/cmdline` + This data is not mandatory for bootchart graph generation, + and is considered bloat. Nevertheless, this option + makes bootchartd applet to dump a subset of it. config BUSYBOX_FEATURE_BOOTCHARTD_CONFIG_FILE bool "Support bootchartd.conf" default y depends on BUSYBOX_BOOTCHARTD help - Enable reading and parsing of $PWD/bootchartd.conf - and /etc/bootchartd.conf files. - + Enable reading and parsing of $PWD/bootchartd.conf + and /etc/bootchartd.conf files. config BUSYBOX_HALT - bool "halt" + bool "halt (4 kb)" default y help - Stop all processes and either halt, reboot, or power off the system. + Stop all processes and halt the system. config BUSYBOX_POWEROFF - bool "poweroff" + bool "poweroff (4 kb)" default y help - Stop all processes and power off the system. + Stop all processes and power off the system. config BUSYBOX_REBOOT - bool "reboot" + bool "reboot (4 kb)" + default y + help + Stop all processes and reboot the system. + +config BUSYBOX_FEATURE_WAIT_FOR_INIT + bool "Before signaling init, make sure it is ready for it" default y + depends on BUSYBOX_HALT || BUSYBOX_POWEROFF || BUSYBOX_REBOOT help - Stop all processes and reboot the system. + In rare cases, poweroff may be commanded by firmware to OS + even before init process exists. On Linux, this spawns + "/sbin/poweroff" very early. This option adds code + which checks that init is ready to receive poweroff + commands. Code size increase of ~80 bytes. config BUSYBOX_FEATURE_CALL_TELINIT bool "Call telinit on shutdown and reboot" - default n - depends on BUSYBOX_HALT && !BUSYBOX_INIT + default y + depends on (BUSYBOX_HALT || BUSYBOX_POWEROFF || BUSYBOX_REBOOT) && !BUSYBOX_INIT help - Call an external program (normally telinit) to facilitate - a switch to a proper runlevel. + Call an external program (normally telinit) to facilitate + a switch to a proper runlevel. - This option is only available if you selected halt and friends, - but did not select init. + This option is only available if you selected halt and friends, + but did not select init. config BUSYBOX_TELINIT_PATH string "Path to telinit executable" default "/sbin/telinit" depends on BUSYBOX_FEATURE_CALL_TELINIT help - When busybox halt and friends have to call external telinit - to facilitate proper shutdown, this path is to be used when - locating telinit executable. - + When busybox halt and friends have to call external telinit + to facilitate proper shutdown, this path is to be used when + locating telinit executable. config BUSYBOX_INIT - bool "init" + bool "init (10 kb)" default y - depends on !ADK_PACKAGE_SIMPLEINIT select BUSYBOX_FEATURE_SYSLOG help - init is the first program run when the system boots. + init is the first program run when the system boots. config BUSYBOX_LINUXRC - bool "Support running init from within an initrd (not initramfs)" - default n + bool "linuxrc: support running init from initrd (not initramfs)" + default y select BUSYBOX_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. + 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. + This does not apply to initramfs, which runs /init as PID 1 and + requires no special support. config BUSYBOX_FEATURE_USE_INITTAB bool "Support reading an inittab file" default y - depends on BUSYBOX_INIT + depends on BUSYBOX_INIT || BUSYBOX_LINUXRC help - Allow init to read an inittab file when the system boot. + Allow init to read an inittab file when the system boot. config BUSYBOX_FEATURE_KILL_REMOVED bool "Support killing processes that have been removed from inittab" default n depends on BUSYBOX_FEATURE_USE_INITTAB help - When respawn entries are removed from inittab and a SIGHUP is - sent to init, this option will make init kill the processes - that have been removed. + When respawn entries are removed from inittab and a SIGHUP is + sent to init, this option will make init kill the processes + that have been removed. config BUSYBOX_FEATURE_KILL_DELAY int "How long to wait between TERM and KILL (0 - send TERM only)" if FEATURE_KILL_REMOVED @@ -124,92 +132,75 @@ config BUSYBOX_FEATURE_KILL_DELAY default 0 depends on BUSYBOX_FEATURE_KILL_REMOVED help - With nonzero setting, init sends TERM, forks, child waits N - seconds, sends KILL and exits. Setting it too high is unwise - (child will hang around for too long and could actually kill - the wrong process!) + With nonzero setting, init sends TERM, forks, child waits N + seconds, sends KILL and exits. Setting it too high is unwise + (child will hang around for too long and could actually kill + the wrong process!) config BUSYBOX_FEATURE_INIT_SCTTY bool "Run commands with leading dash with controlling tty" default y - depends on BUSYBOX_INIT - 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"). - More precisely, init will do "ioctl(STDIN_FILENO, TIOCSCTTY, 0)". - If device attached to STDIN_FILENO can be a ctty but is not yet - a ctty for other session, it will become this process' ctty. - This is not the traditional init behavour, but is often what you want - in an embedded system where the console is only accessed during - development or for maintenance. - NB: using cttyhack applet may work better. + depends on BUSYBOX_INIT || BUSYBOX_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"). + More precisely, init will do "ioctl(STDIN_FILENO, TIOCSCTTY, 0)". + If device attached to STDIN_FILENO can be a ctty but is not yet + a ctty for other session, it will become this process' ctty. + This is not the traditional init behavour, but is often what you want + in an embedded system where the console is only accessed during + development or for maintenance. + NB: using cttyhack applet may work better. config BUSYBOX_FEATURE_INIT_SYSLOG bool "Enable init to write to syslog" default y - depends on BUSYBOX_INIT + depends on BUSYBOX_INIT || BUSYBOX_LINUXRC + help + If selected, some init messages are sent to syslog. + Otherwise, they are sent to VT #5 if linux virtual tty is detected + (if not, no separate logging is done). -config BUSYBOX_FEATURE_EXTRA_QUIET - bool "Be _extra_ quiet on boot" +config BUSYBOX_FEATURE_INIT_QUIET + bool "Be quiet on boot (no 'init started:' message)" default y - depends on BUSYBOX_INIT - help - Prevent init from logging some messages to the console during boot. + depends on BUSYBOX_INIT || BUSYBOX_LINUXRC config BUSYBOX_FEATURE_INIT_COREDUMPS bool "Support dumping core for child processes (debugging only)" - default n - depends on BUSYBOX_INIT + default n # not Y because this is a debug option + depends on BUSYBOX_INIT || BUSYBOX_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. + 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_INIT_TERMINAL_TYPE string "Initial terminal type" default "linux" - depends on BUSYBOX_INIT + depends on BUSYBOX_INIT || BUSYBOX_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 - extended terminal capabilities. + This is the initial value set by init for the TERM environment + variable. This variable is used by programs which make use of + extended terminal capabilities. - Note that on Linux, init attempts to detect serial terminal and - sets TERM to "vt102" if one is found. + Note that on Linux, init attempts to detect serial terminal and + sets TERM to "vt102" if one is found. config BUSYBOX_FEATURE_INIT_MODIFY_CMDLINE - bool "Modify the command-line to \"init\"" - default n - depends on BUSYBOX_INIT || BUSYBOX_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_MESG - bool "mesg" - default n - help - Mesg controls access to your terminal by others. It is typically - used to allow or disallow other users to write to your terminal - -config BUSYBOX_FEATURE_MESG_ENABLE_ONLY_GROUP - bool "Enable writing to tty only by group, not by everybody" + bool "Clear init's command line" default y - depends on BUSYBOX_MESG + depends on BUSYBOX_INIT || BUSYBOX_LINUXRC help - Usually, ttys are owned by group "tty", and "write" tool is - setgid to this group. This way, "mesg y" only needs to enable - "write by owning group" bit in tty mode. - - If you set this option to N, "mesg y" will enable writing - by anybody at all. This is not recommended. + 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. endmenu |