toybox: toys/pending/init.c annotate

annotate toys/pending/init.c @ 1775:57f2a26fa92c draft toast

To ensure that toybox can be installed alongside busybox without confusing update-alternatives, the paths of the links installed by toybox should match those installed by busybox. This is accomplished by changing the flags of a few tools within toybox.

author	Paul Barker <paul@paulbarker.me.uk>
date	Sat, 04 Apr 2015 11:58:06 -0500
parents	c0c91437138b
children

rev	line source
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	1 /* init.c - init program.
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	2 *
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	3 * Copyright 2012 Harvind Singh <harvindsingh1981@gmail.com>
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	4 * Copyright 2013 Kyungwan Han <asura321@gmail.com>
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	5 *
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	6 * No Standard
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	7
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	8 USE_INIT(NEWTOY(init, "", TOYFLAG_SBIN))
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	9
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	10 config INIT
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	11 bool "init"
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	12 default n
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	13 help
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	14 usage: init
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	15
1298 c25ee9918e65 First pass init cleanup: use sigatexit() to set multiple signal handlers, rename set_sane_term() to reset_term() and have it take the fd it works on as an argument, some whitespace and help text tweaks. Rob Landley <rob@landley.net> parents: 1261 diff changeset	16 System V style init.
c25ee9918e65 First pass init cleanup: use sigatexit() to set multiple signal handlers, rename set_sane_term() to reset_term() and have it take the fd it works on as an argument, some whitespace and help text tweaks. Rob Landley <rob@landley.net> parents: 1261 diff changeset	17
c25ee9918e65 First pass init cleanup: use sigatexit() to set multiple signal handlers, rename set_sane_term() to reset_term() and have it take the fd it works on as an argument, some whitespace and help text tweaks. Rob Landley <rob@landley.net> parents: 1261 diff changeset	18 First program to run (as PID 1) when the system comes up, reading
c25ee9918e65 First pass init cleanup: use sigatexit() to set multiple signal handlers, rename set_sane_term() to reset_term() and have it take the fd it works on as an argument, some whitespace and help text tweaks. Rob Landley <rob@landley.net> parents: 1261 diff changeset	19 /etc/inittab to determine actions.
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	20 */
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	21
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	22 #include "toys.h"
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	23 #include <sys/reboot.h>
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	24
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	25 struct action_list_seed {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	26 struct action_list_seed *next;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	27 pid_t pid;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	28 uint8_t action;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	29 char *terminal_name;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	30 char *command;
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	31 } *action_list_pointer = NULL;
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	32 int caught_signal;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	33
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	34 //INITTAB action defination
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	35 #define SYSINIT 0x01
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	36 #define WAIT 0x02
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	37 #define ONCE 0x04
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	38 #define RESPAWN 0x08
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	39 #define ASKFIRST 0x10
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	40 #define CTRLALTDEL 0x20
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	41 #define SHUTDOWN 0x40
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	42 #define RESTART 0x80
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	43
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	44 static void initialize_console(void)
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	45 {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	46 int fd;
1298 c25ee9918e65 First pass init cleanup: use sigatexit() to set multiple signal handlers, rename set_sane_term() to reset_term() and have it take the fd it works on as an argument, some whitespace and help text tweaks. Rob Landley <rob@landley.net> parents: 1261 diff changeset	47 char *p = getenv("CONSOLE");
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	48
1298 c25ee9918e65 First pass init cleanup: use sigatexit() to set multiple signal handlers, rename set_sane_term() to reset_term() and have it take the fd it works on as an argument, some whitespace and help text tweaks. Rob Landley <rob@landley.net> parents: 1261 diff changeset	49 if (!p) p = getenv("console");
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	50 if (!p) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	51 fd = open("/dev/null", O_RDWR);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	52 if (fd >= 0) {
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	53 while (fd < 2) fd = dup(fd);
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	54 while (fd > 2) close(fd--);
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	55 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	56 } else {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	57 fd = open(p, O_RDWR \| O_NONBLOCK \| O_NOCTTY);
1185 2a4f1dc494d0 -Eradicate (char) casts for strings. Isaac Dunham <ibid.ag@gmail.com>* parents: 1183 diff changeset	58 if (fd < 0) printf("Unable to open console %s\n",p);
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	59 else {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	60 dup2(fd,0);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	61 dup2(fd,1);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	62 dup2(fd,2);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	63 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	64 }
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	65
1187 18cc63376e66 init: don't use VT_OPENQRY. Isaac Dunham <ibid.ag@gmail.com> parents: 1185 diff changeset	66 if (!getenv("TERM")) putenv("TERM=linux");
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	67 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	68
1298 c25ee9918e65 First pass init cleanup: use sigatexit() to set multiple signal handlers, rename set_sane_term() to reset_term() and have it take the fd it works on as an argument, some whitespace and help text tweaks. Rob Landley <rob@landley.net> parents: 1261 diff changeset	69 static void reset_term(int fd)
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	70 {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	71 struct termios terminal;
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	72
1298 c25ee9918e65 First pass init cleanup: use sigatexit() to set multiple signal handlers, rename set_sane_term() to reset_term() and have it take the fd it works on as an argument, some whitespace and help text tweaks. Rob Landley <rob@landley.net> parents: 1261 diff changeset	73 tcgetattr(fd, &terminal);
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	74 terminal.c_cc[VINTR] = 3; //ctrl-c
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	75 terminal.c_cc[VQUIT] = 28; /ctrl-\/
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	76 terminal.c_cc[VERASE] = 127; //ctrl-?
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	77 terminal.c_cc[VKILL] = 21; //ctrl-u
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	78 terminal.c_cc[VEOF] = 4; //ctrl-d
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	79 terminal.c_cc[VSTART] = 17; //ctrl-q
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	80 terminal.c_cc[VSTOP] = 19; //ctrl-s
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	81 terminal.c_cc[VSUSP] = 26; //ctrl-z
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	82
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	83 terminal.c_line = 0;
1298 c25ee9918e65 First pass init cleanup: use sigatexit() to set multiple signal handlers, rename set_sane_term() to reset_term() and have it take the fd it works on as an argument, some whitespace and help text tweaks. Rob Landley <rob@landley.net> parents: 1261 diff changeset	84 terminal.c_cflag &= CRTSCTS\|PARODD\|PARENB\|CSTOPB\|CSIZE\|CBAUDEX\|CBAUD;
c25ee9918e65 First pass init cleanup: use sigatexit() to set multiple signal handlers, rename set_sane_term() to reset_term() and have it take the fd it works on as an argument, some whitespace and help text tweaks. Rob Landley <rob@landley.net> parents: 1261 diff changeset	85 terminal.c_cflag \|= CLOCAL\|HUPCL\|CREAD;
c25ee9918e65 First pass init cleanup: use sigatexit() to set multiple signal handlers, rename set_sane_term() to reset_term() and have it take the fd it works on as an argument, some whitespace and help text tweaks. Rob Landley <rob@landley.net> parents: 1261 diff changeset	86
c25ee9918e65 First pass init cleanup: use sigatexit() to set multiple signal handlers, rename set_sane_term() to reset_term() and have it take the fd it works on as an argument, some whitespace and help text tweaks. Rob Landley <rob@landley.net> parents: 1261 diff changeset	87 //enable start/stop input and output control + map CR to NL on input
c25ee9918e65 First pass init cleanup: use sigatexit() to set multiple signal handlers, rename set_sane_term() to reset_term() and have it take the fd it works on as an argument, some whitespace and help text tweaks. Rob Landley <rob@landley.net> parents: 1261 diff changeset	88 terminal.c_iflag = IXON\|IXOFF\|ICRNL;
c25ee9918e65 First pass init cleanup: use sigatexit() to set multiple signal handlers, rename set_sane_term() to reset_term() and have it take the fd it works on as an argument, some whitespace and help text tweaks. Rob Landley <rob@landley.net> parents: 1261 diff changeset	89
c25ee9918e65 First pass init cleanup: use sigatexit() to set multiple signal handlers, rename set_sane_term() to reset_term() and have it take the fd it works on as an argument, some whitespace and help text tweaks. Rob Landley <rob@landley.net> parents: 1261 diff changeset	90 //Map NL to CR-NL on output
c25ee9918e65 First pass init cleanup: use sigatexit() to set multiple signal handlers, rename set_sane_term() to reset_term() and have it take the fd it works on as an argument, some whitespace and help text tweaks. Rob Landley <rob@landley.net> parents: 1261 diff changeset	91 terminal.c_oflag = ONLCR\|OPOST;
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	92 terminal.c_lflag = IEXTEN\|ECHOKE\|ECHOCTL\|ECHOK\|ECHOE\|ECHO\|ICANON\|ISIG;
1298 c25ee9918e65 First pass init cleanup: use sigatexit() to set multiple signal handlers, rename set_sane_term() to reset_term() and have it take the fd it works on as an argument, some whitespace and help text tweaks. Rob Landley <rob@landley.net> parents: 1261 diff changeset	93 tcsetattr(fd, TCSANOW, &terminal);
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	94 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	95
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	96 static void add_new_action(uint8_t action,char command,char term)
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	97 {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	98 struct action_list_seed x,*y;
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	99
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	100 y = &action_list_pointer;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	101 x = *y;
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	102 while (x) {
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	103 if (!(strcmp(x->command, command)) && !(strcmp(x->terminal_name, term))) {
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	104 *y = x->next; //remove from the list
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	105 while(y) y = &(y)->next; //traverse through list till end
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	106 x->next = NULL;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	107 break;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	108 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	109 y = &(x)->next;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	110 x = *y;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	111 }
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	112
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	113 //create a new node
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	114 if (!x) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	115 x = xzalloc(sizeof(*x));
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	116 x->command = xstrdup(command);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	117 x->terminal_name = xstrdup(term);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	118 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	119 x->action = action;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	120 *y = x;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	121 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	122
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	123 static void inittab_parsing(void)
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	124 {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	125 int i, fd, line_number = 0, token_count = 0;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	126 char p, q, extracted_token, tty_name = NULL, command = NULL, tmp;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	127 uint8_t action = 0;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	128 char *act_name = "sysinit\0wait\0once\0respawn\0askfirst\0ctrlaltdel\0"
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	129 "shutdown\0restart\0";
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	130
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	131 fd = open("/etc/inittab", O_RDONLY);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	132 if (fd < 0) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	133 error_msg("Unable to open /etc/inittab. Using Default inittab");
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	134 add_new_action(SYSINIT, "/etc/init.d/rcS", "");
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	135 add_new_action(RESPAWN, "/sbin/getty -n -l /bin/sh -L 115200 tty1 vt100", "");
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	136 } else {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	137 while((q = p = get_line(fd))) { //read single line from /etc/inittab
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	138 char *x;
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	139
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	140 if ((x = strchr(p, '#'))) *x = '\0';
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	141 line_number++;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	142 token_count = 0;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	143 action = 0;
1481 c0c91437138b A few fixes for issues reported in static analysis. Ashwini Sharma <ak.ashwini1981.gmail.com> parents: 1298 diff changeset	144 tty_name = command = NULL;
c0c91437138b A few fixes for issues reported in static analysis. Ashwini Sharma <ak.ashwini1981.gmail.com> parents: 1298 diff changeset	145
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	146 while ((extracted_token = strsep(&p,":"))) {
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	147 token_count++;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	148 switch (token_count) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	149 case 1:
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	150 if (*extracted_token) {
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	151 if (!strncmp(extracted_token, "/dev/", 5))
1183 0752b2d58909 Rename xmsprintf() to just xmprintf(). Rob Landley <rob@landley.net> parents: 1181 diff changeset	152 tty_name = xmprintf("%s",extracted_token);
0752b2d58909 Rename xmsprintf() to just xmprintf(). Rob Landley <rob@landley.net> parents: 1181 diff changeset	153 else tty_name = xmprintf("/dev/%s",extracted_token);
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	154 } else tty_name = xstrdup("");
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	155 break;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	156 case 2:
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	157 break;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	158 case 3:
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	159 for (tmp = act_name, i = 0; *tmp; i++, tmp += strlen(tmp) +1) {
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	160 if (!strcmp(tmp, extracted_token)) {
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	161 action = 1 << i;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	162 break;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	163 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	164 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	165 if (!*tmp) error_msg("Invalid action at line number %d ---- ignoring",line_number);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	166 break;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	167 case 4:
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	168 command = xstrdup(extracted_token);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	169 break;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	170 default:
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	171 error_msg("Bad inittab entry at line %d", line_number);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	172 break;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	173 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	174 } //while token
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	175
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	176 if (q) free(q);
1481 c0c91437138b A few fixes for issues reported in static analysis. Ashwini Sharma <ak.ashwini1981.gmail.com> parents: 1298 diff changeset	177 if (token_count != 4) {
c0c91437138b A few fixes for issues reported in static analysis. Ashwini Sharma <ak.ashwini1981.gmail.com> parents: 1298 diff changeset	178 free(tty_name);
c0c91437138b A few fixes for issues reported in static analysis. Ashwini Sharma <ak.ashwini1981.gmail.com> parents: 1298 diff changeset	179 free(command);
c0c91437138b A few fixes for issues reported in static analysis. Ashwini Sharma <ak.ashwini1981.gmail.com> parents: 1298 diff changeset	180 continue;
c0c91437138b A few fixes for issues reported in static analysis. Ashwini Sharma <ak.ashwini1981.gmail.com> parents: 1298 diff changeset	181 }
c0c91437138b A few fixes for issues reported in static analysis. Ashwini Sharma <ak.ashwini1981.gmail.com> parents: 1298 diff changeset	182 if (action) add_new_action(action, command, tty_name);
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	183 free(tty_name);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	184 free(command);
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	185 } //while line
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	186
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	187 close(fd);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	188 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	189 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	190
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	191 static void run_command(char *command)
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	192 {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	193 char *final_command[128];
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	194 int hyphen = (command[0]=='-');
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	195
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	196 command = command + hyphen;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	197 if (!strpbrk(command, "?<>'\";[]{}\\\|=()*&^$!`~")) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	198 char *next_command;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	199 char *extracted_command;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	200 int x = 0;
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	201
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	202 next_command = strncpy(toybuf, command - hyphen, sizeof(toybuf));
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	203 next_command[sizeof(toybuf) - 1] = toybuf[sizeof(toybuf) - 1 ] = '\0';
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	204 command = next_command + hyphen;
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	205 while ((extracted_command = strsep(&next_command," \t"))) {
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	206 if (*extracted_command) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	207 final_command[x] = extracted_command;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	208 x++;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	209 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	210 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	211 final_command[x] = NULL;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	212 } else {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	213 snprintf(toybuf, sizeof(toybuf), "exec %s", command);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	214 command = "-/bin/sh"+1;
1185 2a4f1dc494d0 -Eradicate (char) casts for strings. Isaac Dunham <ibid.ag@gmail.com>* parents: 1183 diff changeset	215 final_command[0] = ("-/bin/sh"+!hyphen);
2a4f1dc494d0 -Eradicate (char) casts for strings. Isaac Dunham <ibid.ag@gmail.com>* parents: 1183 diff changeset	216 final_command[1] = "-c";
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	217 final_command[2] = toybuf;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	218 final_command[3] = NULL;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	219 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	220 if (hyphen) ioctl(0, TIOCSCTTY, 0);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	221 execvp(command, final_command);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	222 error_msg("unable to run %s",command);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	223 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	224
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	225 //runs all same type of actions
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	226 static pid_t final_run(struct action_list_seed *x)
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	227 {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	228 pid_t pid;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	229 int fd;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	230 sigset_t signal_set;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	231
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	232 sigfillset(&signal_set);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	233 sigprocmask(SIG_BLOCK, &signal_set, NULL);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	234 if (x->action & ASKFIRST) pid = fork();
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	235 else pid = vfork();
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	236
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	237 if (pid > 0) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	238 //parent process or error
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	239 //unblock the signals
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	240 sigfillset(&signal_set);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	241 sigprocmask(SIG_UNBLOCK, &signal_set, NULL);
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	242
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	243 return pid;
1185 2a4f1dc494d0 -Eradicate (char) casts for strings. Isaac Dunham <ibid.ag@gmail.com>* parents: 1183 diff changeset	244 } else if (pid < 0) {
2a4f1dc494d0 -Eradicate (char) casts for strings. Isaac Dunham <ibid.ag@gmail.com>* parents: 1183 diff changeset	245 perror_msg("fork fail");
2a4f1dc494d0 -Eradicate (char) casts for strings. Isaac Dunham <ibid.ag@gmail.com>* parents: 1183 diff changeset	246 sleep(1);
2a4f1dc494d0 -Eradicate (char) casts for strings. Isaac Dunham <ibid.ag@gmail.com>* parents: 1183 diff changeset	247 return 0;
2a4f1dc494d0 -Eradicate (char) casts for strings. Isaac Dunham <ibid.ag@gmail.com>* parents: 1183 diff changeset	248 }
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	249
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	250 //new born child process
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	251 sigset_t signal_set_c;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	252 sigfillset(&signal_set_c);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	253 sigprocmask(SIG_UNBLOCK, &signal_set_c, NULL);
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	254 setsid(); //new session
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	255
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	256 if (x->terminal_name[0]) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	257 close(0);
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	258 fd = open(x->terminal_name, (O_RDWR\|O_NONBLOCK),0600);
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	259 if (fd != 0) {
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	260 error_msg("Unable to open %s,%s\n", x->terminal_name, strerror(errno));
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	261 _exit(EXIT_FAILURE);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	262 } else {
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	263 dup2(0, 1);
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	264 dup2(0, 2);
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	265 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	266 }
1298 c25ee9918e65 First pass init cleanup: use sigatexit() to set multiple signal handlers, rename set_sane_term() to reset_term() and have it take the fd it works on as an argument, some whitespace and help text tweaks. Rob Landley <rob@landley.net> parents: 1261 diff changeset	267 reset_term(0);
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	268 run_command(x->command);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	269 _exit(-1);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	270 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	271
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	272 static struct action_list_seed* mark_as_terminated_process(pid_t pid)
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	273 {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	274 struct action_list_seed *x;
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	275
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	276 if (pid > 0) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	277 for (x = action_list_pointer; x; x = x->next) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	278 if (x->pid == pid) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	279 x->pid = 0;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	280 return x;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	281 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	282 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	283 }
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	284
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	285 return NULL;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	286 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	287
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	288 static void waitforpid(pid_t pid)
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	289 {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	290 if (pid <= 0) return;
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	291
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	292 for(;;) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	293 pid_t y = wait(NULL);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	294 mark_as_terminated_process(y);
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	295 if (kill(y, 0)) break;
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	296 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	297 }
1298 c25ee9918e65 First pass init cleanup: use sigatexit() to set multiple signal handlers, rename set_sane_term() to reset_term() and have it take the fd it works on as an argument, some whitespace and help text tweaks. Rob Landley <rob@landley.net> parents: 1261 diff changeset	298
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	299 static void run_action_from_list(int action)
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	300 {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	301 pid_t pid;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	302 struct action_list_seed *x = action_list_pointer;
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	303
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	304 for (; x; x = x->next) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	305 if (!(x->action & action)) continue;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	306 if (x->action & (SHUTDOWN\|ONCE\|SYSINIT\|CTRLALTDEL\|WAIT)) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	307 pid = final_run(x);
1185 2a4f1dc494d0 -Eradicate (char) casts for strings. Isaac Dunham <ibid.ag@gmail.com>* parents: 1183 diff changeset	308 if (!pid) return;
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	309 if (x->action & (SHUTDOWN\|SYSINIT\|CTRLALTDEL\|WAIT)) waitforpid(pid);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	310 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	311 if (x->action & (ASKFIRST\|RESPAWN))
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	312 if (!(x->pid)) x->pid = final_run(x);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	313 }
1185 2a4f1dc494d0 -Eradicate (char) casts for strings. Isaac Dunham <ibid.ag@gmail.com>* parents: 1183 diff changeset	314 }
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	315
1185 2a4f1dc494d0 -Eradicate (char) casts for strings. Isaac Dunham <ibid.ag@gmail.com>* parents: 1183 diff changeset	316 static void set_default(void)
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	317 {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	318 sigset_t signal_set_c;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	319
1298 c25ee9918e65 First pass init cleanup: use sigatexit() to set multiple signal handlers, rename set_sane_term() to reset_term() and have it take the fd it works on as an argument, some whitespace and help text tweaks. Rob Landley <rob@landley.net> parents: 1261 diff changeset	320 sigatexit(SIG_DFL);
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	321 sigfillset(&signal_set_c);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	322 sigprocmask(SIG_UNBLOCK,&signal_set_c, NULL);
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	323
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	324 run_action_from_list(SHUTDOWN);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	325 error_msg("The system is going down NOW!");
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	326 kill(-1, SIGTERM);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	327 error_msg("Sent SIGTERM to all processes");
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	328 sync();
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	329 sleep(1);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	330 kill(-1,SIGKILL);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	331 sync();
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	332 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	333
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	334 static void halt_poweroff_reboot_handler(int sig_no)
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	335 {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	336 unsigned int reboot_magic_no = 0;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	337 pid_t pid;
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	338
1185 2a4f1dc494d0 -Eradicate (char) casts for strings. Isaac Dunham <ibid.ag@gmail.com>* parents: 1183 diff changeset	339 set_default();
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	340
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	341 switch (sig_no) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	342 case SIGUSR1:
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	343 error_msg("Requesting system halt");
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	344 reboot_magic_no=RB_HALT_SYSTEM;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	345 break;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	346 case SIGUSR2:
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	347 error_msg("Requesting system poweroff");
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	348 reboot_magic_no=RB_POWER_OFF;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	349 break;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	350 case SIGTERM:
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	351 error_msg("Requesting system reboot");
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	352 reboot_magic_no=RB_AUTOBOOT;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	353 break;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	354 default:
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	355 break;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	356 }
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	357
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	358 sleep(1);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	359 pid = vfork();
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	360
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	361 if (pid == 0) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	362 reboot(reboot_magic_no);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	363 _exit(EXIT_SUCCESS);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	364 }
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	365
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	366 while(1) sleep(1);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	367 }
1298 c25ee9918e65 First pass init cleanup: use sigatexit() to set multiple signal handlers, rename set_sane_term() to reset_term() and have it take the fd it works on as an argument, some whitespace and help text tweaks. Rob Landley <rob@landley.net> parents: 1261 diff changeset	368
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	369 static void restart_init_handler(int sig_no)
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	370 {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	371 struct action_list_seed *x;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	372 pid_t pid;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	373 int fd;
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	374
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	375 for (x = action_list_pointer; x; x = x->next) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	376 if (!(x->action & RESTART)) continue;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	377
1185 2a4f1dc494d0 -Eradicate (char) casts for strings. Isaac Dunham <ibid.ag@gmail.com>* parents: 1183 diff changeset	378 set_default();
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	379
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	380 if (x->terminal_name[0]) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	381 close(0);
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	382 fd = open(x->terminal_name, (O_RDWR\|O_NONBLOCK),0600);
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	383
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	384 if (fd != 0) {
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	385 error_msg("Unable to open %s,%s\n", x->terminal_name, strerror(errno));
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	386 sleep(1);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	387 pid = vfork();
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	388
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	389 if (pid == 0) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	390 reboot(RB_HALT_SYSTEM);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	391 _exit(EXIT_SUCCESS);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	392 }
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	393
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	394 while(1) sleep(1);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	395 } else {
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	396 dup2(0, 1);
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	397 dup2(0, 2);
1298 c25ee9918e65 First pass init cleanup: use sigatexit() to set multiple signal handlers, rename set_sane_term() to reset_term() and have it take the fd it works on as an argument, some whitespace and help text tweaks. Rob Landley <rob@landley.net> parents: 1261 diff changeset	398 reset_term(0);
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	399 run_command(x->command);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	400 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	401 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	402 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	403 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	404
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	405 static void catch_signal(int sig_no)
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	406 {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	407 caught_signal = sig_no;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	408 error_msg("signal seen");
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	409 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	410
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	411 static void pause_handler(int sig_no)
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	412 {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	413 int signal_backup,errno_backup;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	414 pid_t pid;
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	415
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	416 errno_backup = errno;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	417 signal_backup = caught_signal;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	418 signal(SIGCONT, catch_signal);
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	419
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	420 while(1) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	421 if (caught_signal == SIGCONT) break;
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	422 do pid = waitpid(-1,NULL,WNOHANG); while((pid==-1) && (errno=EINTR));
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	423 mark_as_terminated_process(pid);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	424 sleep(1);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	425 }
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	426
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	427 signal(SIGCONT, SIG_DFL);
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	428 errno = errno_backup;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	429 caught_signal = signal_backup;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	430 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	431
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	432 static int check_if_pending_signals(void)
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	433 {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	434 int signal_caught = 0;
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	435
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	436 while(1) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	437 int sig = caught_signal;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	438 if (!sig) return signal_caught;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	439 caught_signal = 0;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	440 signal_caught = 1;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	441 if (sig == SIGINT) run_action_from_list(CTRLALTDEL);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	442 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	443 }
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	444
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	445 void init_main(void)
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	446 {
1185 2a4f1dc494d0 -Eradicate (char) casts for strings. Isaac Dunham <ibid.ag@gmail.com>* parents: 1183 diff changeset	447 struct sigaction sig_act;
2a4f1dc494d0 -Eradicate (char) casts for strings. Isaac Dunham <ibid.ag@gmail.com>* parents: 1183 diff changeset	448
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	449 if (getpid() != 1) error_exit("Already running");
1185 2a4f1dc494d0 -Eradicate (char) casts for strings. Isaac Dunham <ibid.ag@gmail.com>* parents: 1183 diff changeset	450 printf("Started init\n");
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	451 initialize_console();
1298 c25ee9918e65 First pass init cleanup: use sigatexit() to set multiple signal handlers, rename set_sane_term() to reset_term() and have it take the fd it works on as an argument, some whitespace and help text tweaks. Rob Landley <rob@landley.net> parents: 1261 diff changeset	452 reset_term(0);
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	453
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	454 if (chdir("/")) perror_exit("Can't cd to /");
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	455 setsid();
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	456
1185 2a4f1dc494d0 -Eradicate (char) casts for strings. Isaac Dunham <ibid.ag@gmail.com>* parents: 1183 diff changeset	457 putenv("HOME=/");
2a4f1dc494d0 -Eradicate (char) casts for strings. Isaac Dunham <ibid.ag@gmail.com>* parents: 1183 diff changeset	458 putenv("PATH=/sbin:/usr/sbin:/bin:/usr/bin");
2a4f1dc494d0 -Eradicate (char) casts for strings. Isaac Dunham <ibid.ag@gmail.com>* parents: 1183 diff changeset	459 putenv("SHELL=/bin/sh");
2a4f1dc494d0 -Eradicate (char) casts for strings. Isaac Dunham <ibid.ag@gmail.com>* parents: 1183 diff changeset	460 putenv("USER=root");
1298 c25ee9918e65 First pass init cleanup: use sigatexit() to set multiple signal handlers, rename set_sane_term() to reset_term() and have it take the fd it works on as an argument, some whitespace and help text tweaks. Rob Landley <rob@landley.net> parents: 1261 diff changeset	461
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	462 inittab_parsing();
1185 2a4f1dc494d0 -Eradicate (char) casts for strings. Isaac Dunham <ibid.ag@gmail.com>* parents: 1183 diff changeset	463 signal(SIGUSR1, halt_poweroff_reboot_handler);//halt
2a4f1dc494d0 -Eradicate (char) casts for strings. Isaac Dunham <ibid.ag@gmail.com>* parents: 1183 diff changeset	464 signal(SIGUSR2, halt_poweroff_reboot_handler);//poweroff
2a4f1dc494d0 -Eradicate (char) casts for strings. Isaac Dunham <ibid.ag@gmail.com>* parents: 1183 diff changeset	465 signal(SIGTERM, halt_poweroff_reboot_handler);//reboot
2a4f1dc494d0 -Eradicate (char) casts for strings. Isaac Dunham <ibid.ag@gmail.com>* parents: 1183 diff changeset	466 signal(SIGQUIT, restart_init_handler);//restart init
2a4f1dc494d0 -Eradicate (char) casts for strings. Isaac Dunham <ibid.ag@gmail.com>* parents: 1183 diff changeset	467 memset(&sig_act, 0, sizeof(sig_act));
2a4f1dc494d0 -Eradicate (char) casts for strings. Isaac Dunham <ibid.ag@gmail.com>* parents: 1183 diff changeset	468 sigfillset(&sig_act.sa_mask);
2a4f1dc494d0 -Eradicate (char) casts for strings. Isaac Dunham <ibid.ag@gmail.com>* parents: 1183 diff changeset	469 sigdelset(&sig_act.sa_mask, SIGCONT);
2a4f1dc494d0 -Eradicate (char) casts for strings. Isaac Dunham <ibid.ag@gmail.com>* parents: 1183 diff changeset	470 sig_act.sa_handler = pause_handler;
2a4f1dc494d0 -Eradicate (char) casts for strings. Isaac Dunham <ibid.ag@gmail.com>* parents: 1183 diff changeset	471 sigaction(SIGTSTP, &sig_act, NULL);
2a4f1dc494d0 -Eradicate (char) casts for strings. Isaac Dunham <ibid.ag@gmail.com>* parents: 1183 diff changeset	472 memset(&sig_act, 0, sizeof(sig_act));
2a4f1dc494d0 -Eradicate (char) casts for strings. Isaac Dunham <ibid.ag@gmail.com>* parents: 1183 diff changeset	473 sig_act.sa_handler = catch_signal;
2a4f1dc494d0 -Eradicate (char) casts for strings. Isaac Dunham <ibid.ag@gmail.com>* parents: 1183 diff changeset	474 sigaction(SIGINT, &sig_act, NULL);
2a4f1dc494d0 -Eradicate (char) casts for strings. Isaac Dunham <ibid.ag@gmail.com>* parents: 1183 diff changeset	475 sigaction(SIGHUP, &sig_act, NULL);
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	476 run_action_from_list(SYSINIT);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	477 check_if_pending_signals();
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	478 run_action_from_list(WAIT);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	479 check_if_pending_signals();
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	480 run_action_from_list(ONCE);
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	481 while (1) {
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	482 int suspected_WNOHANG = check_if_pending_signals();
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	483
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	484 run_action_from_list(RESPAWN \| ASKFIRST);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	485 suspected_WNOHANG = suspected_WNOHANG\|check_if_pending_signals();
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	486 sleep(1);//let cpu breath
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	487 suspected_WNOHANG = suspected_WNOHANG\|check_if_pending_signals();
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	488 if (suspected_WNOHANG) suspected_WNOHANG=WNOHANG;
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	489
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	490 while(1) {
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	491 pid_t pid = waitpid(-1, NULL, suspected_WNOHANG);
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	492
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	493 if (pid <= 0) break;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	494 mark_as_terminated_process(pid);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	495 suspected_WNOHANG = WNOHANG;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	496 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	497 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	498 }

Mercurial > hg > toybox

annotate toys/pending/init.c @ 1775:57f2a26fa92c draft toast