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Assume kernel has devtmpfs enabled --> cleanup device creation & mount

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Cleanup device creation and initial mount by assuming that the kernel
has devtmpfs enabled.  This is the default for most modern GNU/Linux
distributions.  See http://lwn.net/Articles/331818/ for more info.

Also, since finit is targeted at deeply embedded systems hooks for the
BusyBox udev replacement, mdev has been added.  If MDEV is defined in
the build it will take care of both hotplugging of devices and initial
setup of /dev

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
This commit is contained in:
Joachim Nilsson committed 2012-09-17 16:05:41 +02:00
1 parent 2f527215d0
commit 855c7d8251
5 files changed
+76 -111
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finit.h
+46 -36
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@@ -47,47 +47,57 @@
/* Distribution configuration */
#if defined DIST_MDV /* Mandriva */
#define RANDOMSEED "/var/lib/random-seed"
#define SYSROOT "/sysroot"
#define CONSOLE "/dev/console"
#define GETTY "/usr/bin/openvt /sbin/mingetty tty2"
#define RUNPARTS "/usr/bin/run-parts"
#define REMOUNT_ROOTFS_RW
#define MAKE_DEVICES
#define MAKE_DEV_VCS
#define PAM_CONSOLE
#define LISTEN_INITCTL
#define RUNLEVEL 5
#define USE_MESSAGE_BUS
#if defined EMBEDDED_SYSTEM
# define CONSOLE "/dev/console"
# define MDEV "/sbin/mdev"
# define GETTY "/sbin/getty -L 115200 ttyS0 vt100"
# define LISTEN_INITCTL
#elif defined DIST_MDV /* Mandriva */
# define RANDOMSEED "/var/lib/random-seed"
# define SYSROOT "/sysroot"
# define CONSOLE "/dev/console"
# define GETTY "/usr/bin/openvt /sbin/mingetty tty2"
# define RUNPARTS "/usr/bin/run-parts"
# define REMOUNT_ROOTFS_RW
# define PAM_CONSOLE
# define LISTEN_INITCTL
# define RUNLEVEL 5
# define USE_MESSAGE_BUS
#elif defined DIST_EEEXUBUNTU /* eeeXubuntu */
#define RANDOMSEED "/var/lib/urandom/random-seed"
#define SYSROOT "/sysroot"
#define CONSOLE "/dev/console"
#define GETTY "/usr/bin/openvt /sbin/getty 38400 tty2"
#define RUNPARTS "/bin/run-parts"
#define REMOUNT_ROOTFS_RW
#define MAKE_DEVICES
#define TOUCH_ETC_NETWORK_RUN_IFSTATE
#define LISTEN_INITCTL
#else /* original Eeepc distribution */
#define RANDOMSEED "/var/lib/urandom/random-seed"
#define SYSROOT "/mnt"
#define CONSOLE "/dev/console"
#define GETTY "/usr/bin/openvt /sbin/getty 38400 tty2"
#define RUNPARTS "/bin/run-parts"
#define TOUCH_ETC_NETWORK_RUN_IFSTATE
#define USE_ETC_RESOLVCONF_RUN
# define RANDOMSEED "/var/lib/urandom/random-seed"
# define SYSROOT "/sysroot"
# define CONSOLE "/dev/console"
# define GETTY "/usr/bin/openvt /sbin/getty 38400 tty2"
# define RUNPARTS "/bin/run-parts"
# define REMOUNT_ROOTFS_RW
# define TOUCH_ETC_NETWORK_RUN_IFSTATE
# define LISTEN_INITCTL
#elif defined DIST_ORIGEEE /* original EeePC distribution */
# define RANDOMSEED "/var/lib/urandom/random-seed"
# define SYSROOT "/mnt"
# define CONSOLE "/dev/console"
# define GETTY "/usr/bin/openvt /sbin/getty 38400 tty2"
# define RUNPARTS "/bin/run-parts"
# define TOUCH_ETC_NETWORK_RUN_IFSTATE
# define USE_ETC_RESOLVCONF_RUN
#else /* Ubuntu */
# define RANDOMSEED "/var/lib/urandom/random-seed"
# define CONSOLE "/dev/console"
# define MDEV "\"/bin/busybox mdev\""
# define GETTY "/usr/bin/openvt /sbin/getty 38400 tty2"
# define REMOUNT_ROOTFS_RW
# define TOUCH_ETC_NETWORK_RUN_IFSTATE
# define LISTEN_INITCTL
#endif
#define SYNC_SHUTDOWN "/var/lock/finit.shutdown"
#define SYNC_STOPPED "/var/lock/finit.stopped"
#ifndef DEFUSER
#define DEFUSER "user"
# define DEFUSER "user"
#endif
#ifndef DEFHOST
#define DEFHOST "noname"
# define DEFHOST "noname"
#endif
#define LINE_SIZE 1024
@@ -96,16 +106,16 @@
#define HOSTNAME_SIZE 32
#ifndef touch
#define touch(x) mknod((x), S_IFREG|0644, 0)
# define touch(x) mknod((x), S_IFREG|0644, 0)
#endif
#ifndef chardev
#define chardev(x,m,maj,min) mknod((x), S_IFCHR|(m), makedev((maj),(min)))
# define chardev(x,m,maj,min) mknod((x), S_IFCHR|(m), makedev((maj),(min)))
#endif
#ifndef blkdev
#define blkdev(x,m,maj,min) mknod((x), S_IFBLK|(m), makedev((maj),(min)))
# define blkdev(x,m,maj,min) mknod((x), S_IFBLK|(m), makedev((maj),(min)))
#endif
#ifndef fexist
#define fexist(x) (access(x, F_OK) != -1)
# define fexist(x) (access(x, F_OK) != -1)
#endif
/* Match one command. */