diff options
author | Roy Marples <roy@marples.name> | 2008-01-29 13:52:54 +0000 |
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committer | Roy Marples <roy@marples.name> | 2008-01-29 13:52:54 +0000 |
commit | 9112bd58ca0be548c100a7e9ffb6a62233412ae7 (patch) | |
tree | 2d4a347f326d14f26a2b2ec873cbffac5ba786a3 /src | |
parent | d8240a1aea33d2c5956cf460f5674aadd9da62e6 (diff) |
Do our coldplug at the end of sysinit as there's no guarantee that the boot runlevel will be called before the default runlevel.
Diffstat (limited to 'src')
-rw-r--r-- | src/rc/rc.c | 281 |
1 files changed, 134 insertions, 147 deletions
diff --git a/src/rc/rc.c b/src/rc/rc.c index 293cc8c9..d5e0a145 100644 --- a/src/rc/rc.c +++ b/src/rc/rc.c @@ -1,12 +1,12 @@ /* - rc.c - rc - manager for init scripts which control the startup, shutdown - and the running of daemons. - - Also a multicall binary for various commands that can be used in shell - scripts to query service state, mark service state and provide the - einfo family of informational functions. - */ + * rc.c + * rc - manager for init scripts which control the startup, shutdown + * and the running of daemons. + * + * Also a multicall binary for various commands that can be used in shell + * scripts to query service state, mark service state and provide the + * einfo family of informational functions. + */ /* * Copyright 2007-2008 Roy Marples @@ -222,7 +222,7 @@ static char read_key (bool block) return (false); /* Now save our terminal settings. We need to restore them at exit as we - will be changing it for non-blocking reads for Interactive */ + * will be changing it for non-blocking reads for Interactive */ if (! termios_orig) { termios_orig = xmalloc (sizeof (struct termios)); tcgetattr (fd, termios_orig); @@ -532,6 +532,102 @@ static void run_script (const char *script) eerrorx ("%s: failed to exec `%s'", applet, script); } +static void do_coldplug (void) +{ + int i; + DIR *dp; + struct dirent *d; + char *service; + + if (! rc_conf_yesno ("rc_coldplug") && errno != ENOENT) + return; + + /* We need to ensure our state dirs exist. + * We should have a better call than this, but oh well. */ + rc_deptree_update_needed (); + +#ifdef BSD +#if defined(__DragonFly__) || defined(__FreeBSD__) + /* The net interfaces are easy - they're all in net /dev/net :) */ + if ((dp = opendir ("/dev/net"))) { + while ((d = readdir (dp))) { + i = (strlen ("net.") + strlen (d->d_name) + 1); + tmp = xmalloc (sizeof (char) * i); + snprintf (tmp, i, "net.%s", d->d_name); + if (rc_service_exists (tmp) && + service_plugable (tmp)) + rc_service_mark (tmp, RC_SERVICE_COLDPLUGGED); + CHAR_FREE (tmp); + } + closedir (dp); + } +#endif + + /* The mice are a little more tricky. + * If we coldplug anything else, we'll probably do it here. */ + if ((dp = opendir ("/dev"))) { + while ((d = readdir (dp))) { + if (strncmp (d->d_name, "psm", 3) == 0 || + strncmp (d->d_name, "ums", 3) == 0) + { + char *p = d->d_name + 3; + if (p && isdigit ((int) *p)) { + size_t len; + len = (strlen ("moused.") + strlen (d->d_name) + 1); + tmp = xmalloc (sizeof (char) * len); + snprintf (tmp, len, "moused.%s", d->d_name); + if (rc_service_exists (tmp) && + service_plugable (tmp)) + rc_service_mark (tmp, RC_SERVICE_COLDPLUGGED); + CHAR_FREE (tmp); + } + } + } + closedir (dp); + } + +#elif __linux__ + /* udev likes to start services before we're ready when it does + * its coldplugging thing. runscript knows when we're not ready so it + * stores a list of coldplugged services in DEVBOOT for us to pick up + * here when we are ready for them */ + if ((dp = opendir (DEVBOOT))) { + while ((d = readdir (dp))) { + if (d->d_name[0] == '.' && + (d->d_name[1] == '\0' || + (d->d_name[1] == '.' && d->d_name[2] == '\0'))) + continue; + + if (rc_service_exists (d->d_name) && + service_plugable (d->d_name)) + rc_service_mark (d->d_name, RC_SERVICE_COLDPLUGGED); + + i = strlen (DEVBOOT "/") + strlen (d->d_name) + 1; + tmp = xmalloc (sizeof (char) * i); + snprintf (tmp, i, DEVBOOT "/%s", d->d_name); + if (tmp) { + if (unlink (tmp)) + eerror ("%s: unlink `%s': %s", applet, tmp, + strerror (errno)); + free (tmp); + } + } + closedir (dp); + rmdir (DEVBOOT); + } +#endif + + if (rc_yesno (getenv ("EINFO_QUIET"))) + return; + + /* Load our list of coldplugged services and display them */ + einfon ("Device initiated services:%s", ecolor (ECOLOR_HILITE)); + coldplugged_services = rc_services_in_state (RC_SERVICE_COLDPLUGGED); + STRLIST_FOREACH (coldplugged_services, service, i) + printf (" %s", service); + printf ("%s\n", ecolor (ECOLOR_NORMAL)); +} + #include "_usage.h" #define getoptstring "o:" getoptstring_COMMON static struct option longopts[] = { @@ -559,8 +655,6 @@ int main (int argc, char **argv) char ksoftbuffer [PATH_MAX]; char pidstr[6]; int opt; - DIR *dp; - struct dirent *d; bool parallel; int regen = 0; @@ -588,13 +682,13 @@ int main (int argc, char **argv) chdir ("/"); /* RUNLEVEL is set by sysvinit as is a magic number - RC_SOFTLEVEL is set by us and is the name for this magic number - even though all our userland documentation refers to runlevel */ + * RC_SOFTLEVEL is set by us and is the name for this magic number + * even though all our userland documentation refers to runlevel */ RUNLEVEL = getenv ("RUNLEVEL"); PREVLEVEL = getenv ("PREVLEVEL"); /* Ensure our environment is pure - Also, add our configuration to it */ + * Also, add our configuration to it */ env = env_filter (); tmplist = env_config (); rc_strlist_join (&env, tmplist); @@ -605,14 +699,14 @@ int main (int argc, char **argv) #ifdef __linux__ /* clearenv isn't portable, but there's no harm in using it - if we have it */ + * if we have it */ clearenv (); #else char *var; /* No clearenv present here then. - We could manipulate environ directly ourselves, but it seems that - some kernels bitch about this according to the environ man pages - so we walk though environ and call unsetenv for each value. */ + * We could manipulate environ directly ourselves, but it seems that + * some kernels bitch about this according to the environ man pages + * so we walk though environ and call unsetenv for each value. */ while (environ[0]) { tmp = xstrdup (environ[0]); p = tmp; @@ -648,7 +742,7 @@ int main (int argc, char **argv) newlevel = argv[optind++]; /* OK, so we really are the main RC process - Only root should be able to run us */ + * Only root should be able to run us */ if (geteuid () != 0) eerrorx ("%s: root access required", applet); @@ -677,10 +771,10 @@ int main (int argc, char **argv) rc_plugin_load (); /* Check we're in the runlevel requested, ie from - rc single - rc shutdown - rc reboot - */ + * rc single + * rc shutdown + * rc reboot + */ if (newlevel) { if (strcmp (newlevel, RC_LEVEL_SYSINIT) == 0 && RUNLEVEL && @@ -732,6 +826,7 @@ int main (int argc, char **argv) } #endif + do_coldplug (); rc_plugin_run (RC_HOOK_RUNLEVEL_START_OUT, newlevel); if (want_interactive ()) @@ -778,7 +873,7 @@ int main (int argc, char **argv) signal (SIGCHLD, handle_signal); /* We should only use ksoftlevel if we were in single user mode - If not, we need to erase ksoftlevel now. */ + * If not, we need to erase ksoftlevel now. */ if (PREVLEVEL && (strcmp (PREVLEVEL, "1") == 0 || strcmp (PREVLEVEL, "S") == 0 || @@ -825,98 +920,17 @@ int main (int argc, char **argv) eerrorx ("%s: is not a valid runlevel", newlevel); } - /* Load our deptree now */ + /* Load our deptree */ if ((deptree = _rc_deptree_load (®en)) == NULL) eerrorx ("failed to load deptree"); - /* Clean the failed services state dir now */ + /* Clean the failed services state dir */ clean_failed (); mkdir (RC_STOPPING, 0755); -#ifdef __linux__ - /* udev likes to start services before we're ready when it does - its coldplugging thing. runscript knows when we're not ready so it - stores a list of coldplugged services in DEVBOOT for us to pick up - here when we are ready for them */ - if ((dp = opendir (DEVBOOT))) { - while ((d = readdir (dp))) { - if (d->d_name[0] == '.' && - (d->d_name[1] == '\0' || - (d->d_name[1] == '.' && d->d_name[2] == '\0'))) - continue; - - if (rc_service_exists (d->d_name) && - rc_conf_yesno ("rc_coldplug") && - service_plugable (d->d_name)) - rc_service_mark (d->d_name, RC_SERVICE_COLDPLUGGED); - - i = strlen (DEVBOOT "/") + strlen (d->d_name) + 1; - tmp = xmalloc (sizeof (char) * i); - snprintf (tmp, i, DEVBOOT "/%s", d->d_name); - if (tmp) { - if (unlink (tmp)) - eerror ("%s: unlink `%s': %s", applet, tmp, - strerror (errno)); - free (tmp); - } - } - closedir (dp); - rmdir (DEVBOOT); - } -#else - /* BSD's on the other hand populate /dev automagically and use devd. - The only downside of this approach and ours is that we have to hard code - the device node to the init script to simulate the coldplug into - runlevel for our dependency tree to work. */ - if (newlevel && strcmp (newlevel, bootlevel) == 0 && - (strcmp (runlevel, RC_LEVEL_SINGLE) == 0 || - strcmp (runlevel, RC_LEVEL_SYSINIT) == 0) && - rc_conf_yesno ("rc_coldplug")) - { -#if defined(__DragonFly__) || defined(__FreeBSD__) - /* The net interfaces are easy - they're all in net /dev/net :) */ - if ((dp = opendir ("/dev/net"))) { - while ((d = readdir (dp))) { - i = (strlen ("net.") + strlen (d->d_name) + 1); - tmp = xmalloc (sizeof (char) * i); - snprintf (tmp, i, "net.%s", d->d_name); - if (rc_service_exists (tmp) && - service_plugable (tmp)) - rc_service_mark (tmp, RC_SERVICE_COLDPLUGGED); - CHAR_FREE (tmp); - } - closedir (dp); - } -#endif - - /* The mice are a little more tricky. - If we coldplug anything else, we'll probably do it here. */ - if ((dp = opendir ("/dev"))) { - while ((d = readdir (dp))) { - if (strncmp (d->d_name, "psm", 3) == 0 || - strncmp (d->d_name, "ums", 3) == 0) - { - char *p = d->d_name + 3; - if (p && isdigit ((int) *p)) { - size_t len; - len = (strlen ("moused.") + strlen (d->d_name) + 1); - tmp = xmalloc (sizeof (char) * len); - snprintf (tmp, len, "moused.%s", d->d_name); - if (rc_service_exists (tmp) && - service_plugable (tmp)) - rc_service_mark (tmp, RC_SERVICE_COLDPLUGGED); - CHAR_FREE (tmp); - } - } - } - closedir (dp); - } - } -#endif - /* Build a list of all services to stop and then work out the - correct order for stopping them */ + * correct order for stopping them */ stop_services = rc_services_in_state (RC_SERVICE_STARTING); tmplist = rc_services_in_state (RC_SERVICE_INACTIVE); @@ -938,50 +952,23 @@ int main (int argc, char **argv) /* Load our list of coldplugged services */ coldplugged_services = rc_services_in_state (RC_SERVICE_COLDPLUGGED); - - /* Load our start services now. - We have different rules dependent on runlevel. */ - if (newlevel && strcmp (newlevel, bootlevel) == 0) { - if (coldplugged_services) { - bool quiet = rc_yesno (getenv ("EINFO_QUIET")); - - if (! quiet) - einfon ("Device initiated services:"); - STRLIST_FOREACH (coldplugged_services, service, i) { - if (! quiet) - printf (" %s", service); - rc_strlist_add (&start_services, service); - } - if (! quiet) - printf ("\n"); - } - tmplist = rc_services_in_runlevel (newlevel ? newlevel : runlevel); - rc_strlist_join (&start_services, tmplist); - rc_strlist_free (tmplist); - } else { - /* Store our list of coldplugged services */ - tmplist = rc_services_in_state (RC_SERVICE_COLDPLUGGED); - rc_strlist_join (&coldplugged_services, tmplist); - rc_strlist_free (tmplist); - if (strcmp (newlevel ? newlevel : runlevel, RC_LEVEL_SINGLE) != 0 && - strcmp (newlevel ? newlevel : runlevel, RC_LEVEL_SHUTDOWN) != 0 && - strcmp (newlevel ? newlevel : runlevel, RC_LEVEL_REBOOT) != 0) - { - /* We need to include the boot runlevel services if we're not in it */ - tmplist = rc_services_in_runlevel (bootlevel); - rc_strlist_join (&start_services, tmplist); - rc_strlist_free (tmplist); + if (strcmp (newlevel ? newlevel : runlevel, RC_LEVEL_SINGLE) != 0 && + strcmp (newlevel ? newlevel : runlevel, RC_LEVEL_SHUTDOWN) != 0 && + strcmp (newlevel ? newlevel : runlevel, RC_LEVEL_REBOOT) != 0) + { + /* We need to include the boot runlevel services if we're not in it */ + start_services = rc_services_in_runlevel (bootlevel); + if (strcmp (newlevel ? newlevel : runlevel, bootlevel) != 0) { tmplist = rc_services_in_runlevel (newlevel ? newlevel : runlevel); rc_strlist_join (&start_services, tmplist); rc_strlist_free (tmplist); - - STRLIST_FOREACH (coldplugged_services, service, i) - rc_strlist_add (&start_services, service); - } + + STRLIST_FOREACH (coldplugged_services, service, i) + rc_strlist_add (&start_services, service); } - /* Save out softlevel now */ + /* Save our softlevel now */ if (going_down) rc_runlevel_set (newlevel); @@ -1045,7 +1032,7 @@ int main (int argc, char **argv) } /* We got this far! Or last check is to see if any any service that - going to be started depends on us */ + * going to be started depends on us */ rc_strlist_add (&stopdeps, service); deporder = rc_deptree_depends (deptree, types_n, (const char **) stopdeps, |