Linux启动分析——init进程与app启动

default behavior */

/* Sysinit */

new_init_action(SYSINIT, INIT_SCRIPT, "");

/* Askfirst shell on tty1-4 */

new_init_action(ASKFIRST, bb_default_login_shell, "");

//TODO: VC_1 instead of ""? "" is console -> ctty problems -> angry users

new_init_action(ASKFIRST, bb_default_login_shell, VC_2);

new_init_action(ASKFIRST, bb_default_login_shell, VC_3);

new_init_action(ASKFIRST, bb_default_login_shell, VC_4);

/* Reboot on Ctrl-Alt-Del */

new_init_action(CTRLALTDEL, "reboot", "");

/* Umount all filesystems on halt/reboot */

new_init_action(SHUTDOWN, "umount -a -r", "");

/* Swapoff on halt/reboot */

new_init_action(SHUTDOWN, "swapoff -a", "");

/* Restart init when a QUIT is received */

new_init_action(RESTART, "init", "");

return;

}

#if ENABLE_FEATURE_USE_INITTAB

/* optional_tty:ignored_runlevel:action:command

* Delims are not to be collapsed and need exactly 4 tokens

while (config_read(parser, token, 4, 0, "#:",

PARSE_NORMAL & ~(PARSE_TRIM | PARSE_COLLAPSE))) {

/* order must correspond to SYSINIT..RESTART constants */

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