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Make halt/poweroff/reboot independently selectable

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2016-11-14 04:55:04 +01:00
parent c314ca9016
commit 97e9a72c71
1 changed files with 32 additions and 9 deletions
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41
init/halt.c
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@ -7,22 +7,28 @@
* Licensed under GPLv2, see file LICENSE in this source tree.
*/
//applet:IF_HALT(APPLET(halt, BB_DIR_SBIN, BB_SUID_DROP))
//applet:IF_HALT(APPLET_ODDNAME(poweroff, halt, BB_DIR_SBIN, BB_SUID_DROP, poweroff))
//applet:IF_HALT(APPLET_ODDNAME(reboot, halt, BB_DIR_SBIN, BB_SUID_DROP, reboot))
//kbuild:lib-$(CONFIG_HALT) += halt.o
//config:config HALT
//config: bool "poweroff, halt, and reboot"
//config: bool "halt"
//config: default y
//config: help
//config: Stop all processes and either halt, reboot, or power off the system.
//config: Stop all processes and halt the system.
//config:
//config:config POWEROFF
//config: bool "poweroff"
//config: default y
//config: help
//config: Stop all processes and power off the system.
//config:
//config:config REBOOT
//config: bool "reboot"
//config: default y
//config: help
//config: Stop all processes and reboot the system.
//config:
//config:config FEATURE_CALL_TELINIT
//config: bool "Call telinit on shutdown and reboot"
//config: default y
//config: depends on HALT && !INIT
//config: depends on (HALT || POWEROFF || REBOOT) && !INIT
//config: help
//config: Call an external program (normally telinit) to facilitate
//config: a switch to a proper runlevel.
@ -39,6 +45,14 @@
//config: to facilitate proper shutdown, this path is to be used when
//config: locating telinit executable.
//applet:IF_HALT(APPLET(halt, BB_DIR_SBIN, BB_SUID_DROP))
//applet:IF_POWEROFF(APPLET_ODDNAME(poweroff, halt, BB_DIR_SBIN, BB_SUID_DROP, poweroff))
//applet:IF_REBOOT(APPLET_ODDNAME(reboot, halt, BB_DIR_SBIN, BB_SUID_DROP, reboot))
//kbuild:lib-$(CONFIG_HALT) += halt.o
//kbuild:lib-$(CONFIG_POWEROFF) += halt.o
//kbuild:lib-$(CONFIG_REBOOT) += halt.o
//usage:#define halt_trivial_usage
//usage: "[-d DELAY] [-n] [-f]" IF_FEATURE_WTMP(" [-w]")
//usage:#define halt_full_usage "\n\n"
@ -109,6 +123,15 @@ int halt_main(int argc UNUSED_PARAM, char **argv)
int which, flags, rc;
/* Figure out which applet we're running */
if (ENABLE_HALT && !ENABLE_POWEROFF && !ENABLE_REBOOT)
which = 0;
else
if (!ENABLE_HALT && ENABLE_POWEROFF && !ENABLE_REBOOT)
which = 1;
else
if (!ENABLE_HALT && !ENABLE_POWEROFF && ENABLE_REBOOT)
which = 2;
else
for (which = 0; "hpr"[which] != applet_name[0]; which++)
continue;