toybox: toys/pending/init.c annotate

annotate toys/pending/init.c @ 1181:a2f80613be36 draft

Whitespace changes, and collate a couple declarations/first assignment.

author	Rob Landley <rob@landley.net>
date	Sun, 05 Jan 2014 14:43:27 -0600
parents	69adf14d70e1
children	0752b2d58909

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
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	16 init the system.
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	17 */
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	18
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	19 #include "toys.h"
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	20 #include <linux/vt.h>
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	21 #include <sys/reboot.h>
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	22
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	23 struct action_list_seed {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	24 struct action_list_seed *next;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	25 pid_t pid;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	26 uint8_t action;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	27 char *terminal_name;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	28 char *command;
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	29 } *action_list_pointer = NULL;
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	30 int caught_signal;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	31
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	32 //INITTAB action defination
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	33 #define SYSINIT 0x01
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	34 #define WAIT 0x02
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	35 #define ONCE 0x04
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	36 #define RESPAWN 0x08
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	37 #define ASKFIRST 0x10
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	38 #define CTRLALTDEL 0x20
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	39 #define SHUTDOWN 0x40
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	40 #define RESTART 0x80
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	41
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	42 static void initialize_console(void)
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 int fd;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	45 char *p = (p = getenv("CONSOLE")) ? p : getenv("console");
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	46
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	47 if (!p) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	48 fd = open("/dev/null", O_RDWR);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	49 if (fd >= 0) {
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	50 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	51 while (fd > 2) close(fd--);
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	52 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	53 } else {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	54 fd = open(p, O_RDWR \| O_NONBLOCK \| O_NOCTTY);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	55 if (fd < 0) xprintf("Unable to open console %s\n",p);
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 dup2(fd,0);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	58 dup2(fd,1);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	59 dup2(fd,2);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	60 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	61 }
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	62
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	63 p = getenv("TERM");
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	64 #ifdef VT_OPENQRY
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	65 int terminal_no;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	66 if (ioctl(0, VT_OPENQRY, &terminal_no)) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	67 if (!p \|\| !strcmp(p,"linux")) putenv((char*)"TERM=vt102");
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	68 } else
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	69 #endif
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	70 if (!p) putenv((char*)"TERM=linux");
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	71 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	72
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	73 static void set_sane_term(void)
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	74 {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	75 struct termios terminal;
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	76
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	77 tcgetattr(0, &terminal);
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	78 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	79 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	80 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	81 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	82 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	83 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	84 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	85 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	86
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	87 terminal.c_line = 0;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	88 terminal.c_cflag = terminal.c_cflag&(CRTSCTS\|PARODD\|PARENB\|CSTOPB\|CSIZE\|CBAUDEX\|CBAUD);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	89 terminal.c_cflag = terminal.c_cflag\|(CLOCAL\|HUPCL\|CREAD);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	90 terminal.c_iflag = IXON\|IXOFF\|ICRNL;//enable start/stop input and output control + map CR to NL on input
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	91 terminal.c_oflag = ONLCR\|OPOST;//Map NL to CR-NL on output
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;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	93 tcsetattr(0, TCSANOW, &terminal);
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 set_enviornment(void)
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 putenv((char*)"HOME=/");
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	99 putenv((char*)"PATH=/sbin:/usr/sbin:/bin:/usr/bin");
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	100 putenv((char*)"SHELL=/bin/sh");
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	101 putenv((char*)"USER=root");
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	102 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	103
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	104 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	105 {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	106 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	107
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	108 y = &action_list_pointer;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	109 x = *y;
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	110 while (x) {
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	111 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	112 *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	113 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	114 x->next = NULL;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	115 break;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	116 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	117 y = &(x)->next;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	118 x = *y;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	119 }
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	120
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	121 //create a new node
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	122 if (!x) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	123 x = xzalloc(sizeof(*x));
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	124 x->command = xstrdup(command);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	125 x->terminal_name = xstrdup(term);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	126 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	127 x->action = action;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	128 *y = x;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	129 }
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 static void inittab_parsing(void)
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	132 {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	133 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	134 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	135 uint8_t action = 0;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	136 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	137 "shutdown\0restart\0";
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	138
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	139 fd = open("/etc/inittab", O_RDONLY);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	140 if (fd < 0) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	141 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	142 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	143 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	144 } else {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	145 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	146 char *x;
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	147
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	148 if ((x = strchr(p, '#'))) *x = '\0';
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	149 line_number++;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	150 token_count = 0;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	151 action = 0;
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	152 while ((extracted_token = strsep(&p,":"))) {
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	153 token_count++;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	154 switch (token_count) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	155 case 1:
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	156 if (*extracted_token) {
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	157 if (!strncmp(extracted_token, "/dev/", 5))
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	158 tty_name = xmsprintf("%s",extracted_token);
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	159 else tty_name = xmsprintf("/dev/%s",extracted_token);
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	160 } else tty_name = xstrdup("");
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	161 break;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	162 case 2:
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	163 break;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	164 case 3:
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	165 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	166 if (!strcmp(tmp, extracted_token)) {
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	167 action = 1 << i;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	168 break;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	169 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	170 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	171 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	172 break;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	173 case 4:
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	174 command = xstrdup(extracted_token);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	175 break;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	176 default:
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	177 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	178 break;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	179 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	180 } //while token
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	181
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	182 if (q) free(q);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	183 if (token_count != 4) continue;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	184 if (action) add_new_action(action, command, tty_name);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	185 free(tty_name);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	186 free(command);
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	187 } //while line
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	188
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	189 close(fd);
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 }
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 static void run_command(char *command)
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	194 {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	195 char *final_command[128];
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	196 int hyphen = (command[0]=='-');
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	197
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	198 command = command + hyphen;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	199 if (!strpbrk(command, "?<>'\";[]{}\\\|=()*&^$!`~")) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	200 char *next_command;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	201 char *extracted_command;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	202 int x = 0;
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	203
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	204 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	205 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	206 command = next_command + hyphen;
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	207 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	208 if (*extracted_command) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	209 final_command[x] = extracted_command;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	210 x++;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	211 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	212 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	213 final_command[x] = NULL;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	214 } else {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	215 snprintf(toybuf, sizeof(toybuf), "exec %s", command);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	216 command = "-/bin/sh"+1;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	217 final_command[0] = (char*)("-/bin/sh"+!hyphen);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	218 final_command[1] = (char*)"-c";
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	219 final_command[2] = toybuf;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	220 final_command[3] = NULL;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	221 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	222 if (hyphen) ioctl(0, TIOCSCTTY, 0);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	223 execvp(command, final_command);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	224 error_msg("unable to run %s",command);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	225 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	226
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	227 //runs all same type of actions
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	228 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	229 {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	230 pid_t pid;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	231 int fd;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	232 sigset_t signal_set;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	233
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	234 sigfillset(&signal_set);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	235 sigprocmask(SIG_BLOCK, &signal_set, NULL);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	236 if (x->action & ASKFIRST) pid = fork();
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	237 else pid = vfork();
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	238
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	239 if (pid > 0) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	240 //parent process or error
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	241 //unblock the signals
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	242 sigfillset(&signal_set);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	243 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	244
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	245 return pid;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	246 } else if (pid < 0) perror_exit("fork fail");
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	247
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	248 //new born child process
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	249 sigset_t signal_set_c;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	250 sigfillset(&signal_set_c);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	251 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	252 setsid(); //new session
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	253
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	254 if (x->terminal_name[0]) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	255 close(0);
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	256 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	257 if (fd != 0) {
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	258 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	259 _exit(EXIT_FAILURE);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	260 } else {
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	261 dup2(0, 1);
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	262 dup2(0, 2);
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	263 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	264 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	265 set_sane_term();
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	266 run_command(x->command);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	267 _exit(-1);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	268 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	269
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	270 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	271 {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	272 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	273
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	274 if (pid > 0) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	275 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	276 if (x->pid == pid) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	277 x->pid = 0;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	278 return x;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	279 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	280 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	281 }
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	282
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	283 return NULL;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	284 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	285
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	286 static void waitforpid(pid_t pid)
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 if (pid <= 0) return;
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	289
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	290 for(;;) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	291 pid_t y = wait(NULL);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	292 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	293 if (kill(y, 0)) break;
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	294 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	295 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	296 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	297 {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	298 pid_t pid;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	299 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	300
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	301 for (; x; x = x->next) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	302 if (!(x->action & action)) continue;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	303 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	304 pid = final_run(x);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	305 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	306 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	307 if (x->action & (ASKFIRST\|RESPAWN))
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	308 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	309 }
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
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	312 static void set_defualt(void)
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	313 {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	314 sigset_t signal_set_c;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	315
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	316 signal(SIGUSR1,SIG_DFL);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	317 signal(SIGUSR2,SIG_DFL);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	318 signal(SIGTERM,SIG_DFL);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	319 signal(SIGQUIT,SIG_DFL);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	320 signal(SIGINT,SIG_DFL);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	321 signal(SIGHUP,SIG_DFL);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	322 signal(SIGTSTP,SIG_DFL);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	323 signal(SIGSTOP,SIG_DFL);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	324 sigfillset(&signal_set_c);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	325 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	326
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	327 run_action_from_list(SHUTDOWN);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	328 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	329 kill(-1, SIGTERM);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	330 error_msg("Sent SIGTERM to all processes");
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 sleep(1);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	333 kill(-1,SIGKILL);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	334 sync();
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
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	337 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	338 {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	339 unsigned int reboot_magic_no = 0;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	340 pid_t pid;
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	341
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	342 set_defualt();
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	343
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	344 switch (sig_no) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	345 case SIGUSR1:
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	346 error_msg("Requesting system halt");
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	347 reboot_magic_no=RB_HALT_SYSTEM;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	348 break;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	349 case SIGUSR2:
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	350 error_msg("Requesting system poweroff");
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	351 reboot_magic_no=RB_POWER_OFF;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	352 break;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	353 case SIGTERM:
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	354 error_msg("Requesting system reboot");
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	355 reboot_magic_no=RB_AUTOBOOT;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	356 break;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	357 default:
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	358 break;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	359 }
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 sleep(1);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	362 pid = vfork();
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	363
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	364 if (pid == 0) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	365 reboot(reboot_magic_no);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	366 _exit(EXIT_SUCCESS);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	367 }
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	368
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	369 while(1) sleep(1);
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 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	372 {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	373 struct action_list_seed *x;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	374 pid_t pid;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	375 int fd;
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	376
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	377 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	378 if (!(x->action & RESTART)) continue;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	379
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	380 set_defualt();
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	381
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	382 if (x->terminal_name[0]) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	383 close(0);
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	384 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	385
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	386 if (fd != 0) {
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	387 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	388 sleep(1);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	389 pid = vfork();
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	390
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	391 if (pid == 0) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	392 reboot(RB_HALT_SYSTEM);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	393 _exit(EXIT_SUCCESS);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	394 }
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	395
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	396 while(1) sleep(1);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	397 } else {
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	398 dup2(0, 1);
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	399 dup2(0, 2);
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	400 set_sane_term();
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	401 run_command(x->command);
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 }
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 static void catch_signal(int sig_no)
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	408 {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	409 caught_signal = sig_no;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	410 error_msg("signal seen");
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	411 }
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 static void pause_handler(int sig_no)
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	414 {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	415 int signal_backup,errno_backup;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	416 pid_t pid;
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	417
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	418 errno_backup = errno;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	419 signal_backup = caught_signal;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	420 signal(SIGCONT, catch_signal);
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	421
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	422 while(1) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	423 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	424 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	425 mark_as_terminated_process(pid);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	426 sleep(1);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	427 }
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	428
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	429 signal(SIGCONT, SIG_DFL);
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	430 errno = errno_backup;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	431 caught_signal = signal_backup;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	432 }
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 static void assign_signal_handler(void)
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	435 {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	436 struct sigaction sig_act;
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	437
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	438 signal(SIGUSR1, halt_poweroff_reboot_handler); //halt
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	439 signal(SIGUSR2, halt_poweroff_reboot_handler); //poweroff
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	440 signal(SIGTERM, halt_poweroff_reboot_handler); //reboot
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	441 signal(SIGQUIT, restart_init_handler); //restart init
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	442 memset(&sig_act, 0, sizeof(sig_act));
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	443 sigfillset(&sig_act.sa_mask);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	444 sigdelset(&sig_act.sa_mask, SIGCONT);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	445 sig_act.sa_handler = pause_handler;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	446 sigaction(SIGTSTP, &sig_act, NULL);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	447
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	448 memset(&sig_act, 0, sizeof(sig_act));
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	449 sig_act.sa_handler = catch_signal;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	450 sigaction(SIGINT, &sig_act, NULL);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	451 sigaction(SIGHUP, &sig_act, NULL);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	452 }
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 static int check_if_pending_signals(void)
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	455 {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	456 int signal_caught = 0;
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	457
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	458 while(1) {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	459 int sig = caught_signal;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	460 if (!sig) return signal_caught;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	461 caught_signal = 0;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	462 signal_caught = 1;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	463 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	464 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	465 }
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	466
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	467 void init_main(void)
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	468 {
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	469 if (getpid() != 1) error_exit("Already running");
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	470 xprintf("Started init\n");
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	471 initialize_console();
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	472 set_sane_term();
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	473
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	474 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	475 setsid();
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	476
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	477 set_enviornment();
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	478 inittab_parsing();
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	479 assign_signal_handler();
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	480 run_action_from_list(SYSINIT);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	481 check_if_pending_signals();
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	482 run_action_from_list(WAIT);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	483 check_if_pending_signals();
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	484 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	485 while (1) {
a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	486 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	487
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	488 run_action_from_list(RESPAWN \| ASKFIRST);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	489 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	490 sleep(1);//let cpu breath
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	491 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	492 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	493
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	494 while(1) {
1181 a2f80613be36 Whitespace changes, and collate a couple declarations/first assignment. Rob Landley <rob@landley.net> parents: 986 diff changeset	495 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	496
986 69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	497 if (pid <= 0) break;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	498 mark_as_terminated_process(pid);
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	499 suspected_WNOHANG = WNOHANG;
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	500 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	501 }
69adf14d70e1 System V style init, submitted by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	502 }

Mercurial > hg > toybox

annotate toys/pending/init.c @ 1181:a2f80613be36 draft