Files
finit/finit.h
T
Joachim Nilsson 077a7e82e0 Debian now boots to X!
finit.conf:
        Use this as /etc/finit.conf on a Debian 6.0 based system with X
        installed and sysklogd instead of rsyslogd.  Works.

services:
        Alternative method for extending the finit boot procedure. Simply
        place this script file in an /etc/finit.d/ directory.  The script
        uses the standard run-parts tool to chain load other start scripts.

helpers.c:
        o New functions:
          - run(): home grown system() replacement
          - run_interactive(): display progress and status when called

        o Bugfix start_process(), make sure to use same signal setup for
          children as in run() and run_interactive(). Also, use execvp()
          instead of execv() to allow searching $PATH for executables.

finit.h:
        o Move signal specific code to new signal.h.
        o Bypass verbosity setting to let echo() always print to screen.

finit.c:
        o Make run_parts() the default, remove external deps, it works.

        o Use run() and run_interactive() to speed up execution further
          on embedded systems where forking is expensive.

        o Kernel cmdline "quiet" should not close STDIO since this makes
          it impossible to run some daemons and start scripts.  Instead,
          we let "quiet" toggle the finit verbosity setting.

        o Remove kernel cmdline "--verbose" (Upstart compat), to be used
          to enable verbose finit when kernel should be quiet.

        o Setup kernel specific settings in /etc/sysctl.conf

        o Fix D-Bus startup problems. Probably what caused X from not
          working initially. Silly rabbit.

        o Use system() workaround to start X, cannot get it to start
          at all using run() or run_interactive() at the moment.

signal.h:
        New file, header file for signal.c.  Was about time.

signal.c:
        Remove blocking of SIGCHLD from sig_setup(), instead we setup
        SIGCHLD early in sig_init() to handle fork() in run() & C:o.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2012-09-20 17:50:53 +02:00

156 lines
4.8 KiB
C

/* Improved fast init
*
* Copyright (c) 2008-2010 Claudio Matsuoka <cmatsuoka@gmail.com>
* Copyright (c) 2008-2012 Joachim Nilsson <troglobit@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef FINIT_H_
#define FINIT_H_
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <syslog.h>
#define DO_LOG(level, fmt, args...) \
{ \
openlog("finit", LOG_CONS | LOG_PID, LOG_DAEMON); \
syslog(LOG_DEBUG, fmt, ##args); \
closelog(); \
}
#define DEBUG(fmt, args...) DO_LOG(LOG_DEBUG, fmt, ##args)
#define ERROR(fmt, args...) DO_LOG(LOG_CRIT, fmt, ##args)
#define FINIT_FIFO "/dev/initctl"
#define FINIT_CONF "/etc/finit.conf"
#define FINIT_RCSD "/etc/finit.d"
/* Distribution configuration */
#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 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/tty1"
# define GETTY "/sbin/getty -8 38400 tty1"
# define REMOUNT_ROOTFS_RW
# define RUNLEVEL 2
# define LISTEN_INITCTL
# define USE_UDEV
# define USE_MESSAGE_BUS
#endif
#ifndef DEFUSER
# define DEFUSER "root"
#endif
#ifndef DEFHOST
# define DEFHOST "noname"
#endif
#define CMD_SIZE 256
#define LINE_SIZE 1024
#define BUF_SIZE 4096
#define USERNAME_SIZE 16
#define HOSTNAME_SIZE 32
#ifndef touch
# 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)))
#endif
#ifndef blkdev
# 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)
#endif
#ifndef UNUSED
#define UNUSED(x) UNUSED_ ## x __attribute__ ((unused))
#endif
/* Match one command. */
#define MATCH_CMD(l, c, x) \
(!strncmp(l, c, strlen(c)) && (x = (l) + strlen(c)))
#define echo(fmt, args...) do { if (1) { fprintf(stderr, fmt "\n", ##args); } } while (0)
#define _d(fmt, args...) do { if (debug) { fprintf(stderr, "finit:%s() - " fmt "\n", __func__, ##args); } } while (0)
#define _e(fmt, args...) do { fprintf(stderr, "finit:%s() - " fmt "\n", __func__, ##args); } while (0)
#define _pe(fmt, args...) do { fprintf(stderr, "finit:%s() - " fmt ". Error %d: %s\n", __func__, ##args, errno, strerror(errno)); } while (0)
extern int debug;
extern int verbose;
extern char *sdown;
/* initctl.c */
void listen_initctl (void);
/* strlcpy.c */
size_t strlcpy(char *dst, const char *src, size_t siz);
#endif /* FINIT_H_ */
/**
* Local Variables:
* version-control: t
* indent-tabs-mode: t
* c-file-style: "linux"
* End:
*/