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138 lines
4.1 KiB
Plaintext
138 lines
4.1 KiB
Plaintext
#
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# For a description of the syntax of this configuration file,
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# see scripts/kbuild/config-language.txt.
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#
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menu "Init Utilities"
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config INIT
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bool "init"
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default y
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select FEATURE_SYSLOG
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help
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init is the first program run when the system boots.
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config FEATURE_USE_INITTAB
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bool "Support reading an inittab file"
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default y
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depends on INIT
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help
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Allow init to read an inittab file when the system boot.
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config FEATURE_KILL_REMOVED
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bool "Support killing processes that have been removed from inittab"
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default n
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depends on FEATURE_USE_INITTAB
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help
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When respawn entries are removed from inittab and a SIGHUP is
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sent to init, this option will make init kill the processes
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that have been removed.
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config FEATURE_KILL_DELAY
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int "How long to wait between TERM and KILL (0 - send TERM only)" if FEATURE_KILL_REMOVED
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range 0 1024
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default 0
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depends on FEATURE_KILL_REMOVED
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help
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With nonzero setting, init sends TERM, forks, child waits N
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seconds, sends KILL and exits. Setting it too high is unwise
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(child will hang around for too long and could actually kill
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the wrong process!)
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config FEATURE_INIT_SCTTY
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bool "Run commands with leading dash with controlling tty"
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default y
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depends on INIT
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help
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If this option is enabled, init will try to give a controlling
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tty to any command which has leading hyphen (often it's "-/bin/sh").
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More precisely, init will do "ioctl(STDIN_FILENO, TIOCSCTTY, 0)".
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If device attached to STDIN_FILENO can be a ctty but is not yet
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a ctty for other session, it will become this process' ctty.
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This is not the traditional init behavour, but is often what you want
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in an embedded system where the console is only accessed during
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development or for maintenance.
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NB: using cttyhack applet may work better.
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config FEATURE_INIT_SYSLOG
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bool "Enable init to write to syslog"
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default y
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depends on INIT
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config FEATURE_EXTRA_QUIET
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bool "Be _extra_ quiet on boot"
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default y
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depends on INIT
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help
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Prevent init from logging some messages to the console during boot.
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config FEATURE_INIT_COREDUMPS
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bool "Support dumping core for child processes (debugging only)"
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default y
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depends on INIT
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help
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If this option is enabled and the file /.init_enable_core
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exists, then init will call setrlimit() to allow unlimited
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core file sizes. If this option is disabled, processes
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will not generate any core files.
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config FEATURE_INITRD
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bool "Support running init from within an initrd (not initramfs)"
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default y
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depends on INIT
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help
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Legacy support for running init under the old-style initrd. Allows
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the name linuxrc to act as init, and it doesn't assume init is PID 1.
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This does not apply to initramfs, which runs /init as PID 1 and
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requires no special support.
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config HALT
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bool "poweroff, halt, and reboot"
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default y
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help
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Stop all processes and either halt, reboot, or power off the system.
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config FEATURE_CALL_TELINIT
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bool "Call telinit on shutdown and reboot"
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default y
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depends on HALT && !INIT
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help
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Call an external program (normally telinit) to facilitate
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a switch to a proper runlevel.
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This option is only available if you selected halt and friends,
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but did not select init.
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config TELINIT_PATH
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string "Path to telinit executable"
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default "/sbin/telinit"
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depends on FEATURE_CALL_TELINIT
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help
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When busybox halt and friends have to call external telinit
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to facilitate proper shutdown, this path is to be used when
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locating telinit executable.
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config MESG
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bool "mesg"
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default y
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help
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Mesg controls access to your terminal by others. It is typically
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used to allow or disallow other users to write to your terminal
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config BOOTCHARTD
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bool "bootchartd"
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default y
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help
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bootchartd is commonly used to profile the boot process
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for the purpose of speeding it up. In this case, it is started
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by the kernel as the init process. This is configured by adding
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the init=/sbin/bootchartd option to the kernel command line.
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It can also be used to monitor the resource usage of a specific
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application or the running system in general. In this case,
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bootchartd is started interactively by running bootchartd start
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and stopped using bootchartd stop.
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endmenu
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