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Diffstat (limited to 'src/rc/rc.c')
-rw-r--r--src/rc/rc.c94
1 files changed, 61 insertions, 33 deletions
diff --git a/src/rc/rc.c b/src/rc/rc.c
index 0e37182..0c98372 100644
--- a/src/rc/rc.c
+++ b/src/rc/rc.c
@@ -79,12 +79,6 @@ const char rc_copyright[] = "Copyright (c) 2007-2008 Roy Marples";
const char *applet = NULL;
static char *runlevel;
-static RC_STRINGLIST *hotplugged_services;
-static RC_STRINGLIST *stop_services;
-static RC_STRINGLIST *start_services;
-static RC_STRINGLIST *types_n;
-static RC_STRINGLIST *types_nua;
-static RC_DEPTREE *deptree;
static RC_HOOK hook_out;
struct termios *termios_orig = NULL;
@@ -524,7 +518,9 @@ runlevel_config(const char *service, const char *level)
}
static void
-do_stop_services(const char *newlevel, bool parallel, bool going_down)
+do_stop_services(const RC_STRINGLIST *types_n, const RC_STRINGLIST *start_services,
+ const RC_STRINGLIST *stop_services, const RC_DEPTREE *deptree,
+ const char *newlevel, bool parallel, bool going_down)
{
pid_t pid;
RC_STRING *service, *svc1, *svc2;
@@ -627,7 +623,7 @@ stop:
}
static void
-do_start_services(bool parallel)
+do_start_services(const RC_STRINGLIST *start_services, bool parallel)
{
RC_STRING *service;
pid_t pid;
@@ -754,6 +750,12 @@ main(int argc, char **argv)
{
const char *bootlevel = NULL;
char *newlevel = NULL;
+ static RC_STRINGLIST *hotplugged_services;
+ static RC_STRINGLIST *stop_services;
+ static RC_STRINGLIST *start_services;
+ static RC_STRINGLIST *types_n;
+ static RC_STRINGLIST *types_nua;
+ static RC_DEPTREE *deptree;
RC_STRINGLIST *deporder = NULL;
RC_STRINGLIST *tmplist;
RC_STRING *service;
@@ -868,7 +870,11 @@ main(int argc, char **argv)
snprintf(pidstr, sizeof(pidstr), "%d", getpid());
setenv("RC_PID", pidstr, 1);
- /* Load current runlevel */
+ /* Create a list of all services which should be started for the new or
+ * current runlevel including those in boot, sysinit and hotplugged
+ * runlevels. Clearly, some of these will already be started so we
+ * won't actually be starting them all.
+ */
bootlevel = getenv("RC_BOOTLEVEL");
runlevel = rc_runlevel_get();
@@ -972,8 +978,13 @@ main(int argc, char **argv)
applet, RC_STOPPING, strerror(errno));
}
- /* Build a list of all services to stop and then work out the
- * correct order for stopping them */
+ /* Create a list of all services which we could stop (assuming
+ * they won't be active in the new or current runlevel) including
+ * all those services which have been started, are inactive or
+ * are currently starting. Clearly, some of these will be listed
+ * in the new or current runlevel so we won't actually be stopping
+ * them all.
+ */
stop_services = rc_services_in_state(RC_SERVICE_STARTED);
tmplist = rc_services_in_state(RC_SERVICE_INACTIVE);
TAILQ_CONCAT(stop_services, tmplist, entries);
@@ -996,7 +1007,11 @@ main(int argc, char **argv)
stop_services = tmplist;
}
- /* Load our list of start services */
+ /* Create a list of all services which should be started for the new or
+ * current runlevel including those in boot, sysinit and hotplugged
+ * runlevels. Clearly, some of these will already be started so we
+ * won't actually be starting them all.
+ */
hotplugged_services = rc_services_in_state(RC_SERVICE_HOTPLUGGED);
start_services = rc_services_in_runlevel_stacked(newlevel ?
newlevel : runlevel);
@@ -1006,9 +1021,11 @@ main(int argc, char **argv)
tmplist = rc_services_in_runlevel(RC_LEVEL_SYSINIT);
TAILQ_CONCAT(start_services, tmplist, entries);
free(tmplist);
+ /* If we are NOT headed for the single-user runlevel... */
if (strcmp(newlevel ? newlevel : runlevel,
RC_LEVEL_SINGLE) != 0)
{
+ /* If we are NOT headed for the boot runlevel... */
if (strcmp(newlevel ? newlevel : runlevel,
bootlevel) != 0)
{
@@ -1029,7 +1046,7 @@ main(int argc, char **argv)
/* Now stop the services that shouldn't be running */
if (stop_services && !nostop)
- do_stop_services(newlevel, parallel, going_down);
+ do_stop_services(types_n, start_services, stop_services, deptree, newlevel, parallel, going_down);
/* Wait for our services to finish */
wait_for_services();
@@ -1065,18 +1082,10 @@ main(int argc, char **argv)
TAILQ_FOREACH(service, hotplugged_services, entries)
rc_service_mark(service->value, RC_SERVICE_HOTPLUGGED);
- /* Order the services to start */
- if (start_services) {
- rc_stringlist_sort(&start_services);
- deporder = rc_deptree_depends(deptree, types_nua,
- start_services, runlevel,
- depoptions | RC_DEP_START);
- rc_stringlist_free(start_services);
- start_services = deporder;
- }
-
#ifdef __linux__
- /* mark any services skipped as started */
+ /* If the "noinit" parameter was passed on the kernel command line then
+ * mark the specified services as started so they will not be started
+ * by us. */
proc = p = rc_proc_getent("noinit");
if (proc) {
while ((token = strsep(&p, ",")))
@@ -1085,19 +1094,38 @@ main(int argc, char **argv)
}
#endif
+ /* If we have a list of services to start then... */
if (start_services) {
- do_start_services(parallel);
- /* FIXME: If we skip the boot runlevel and go straight
- * to default from sysinit, we should now re-evaluate our
- * start services + hotplugged services and call
- * do_start_services a second time. */
-
- /* Wait for our services to finish */
- wait_for_services();
+ /* Get a list of the chained runlevels which compose the target runlevel */
+ RC_STRINGLIST *runlevel_chain = rc_runlevel_stacks(runlevel);
+
+ /* Loop through them in reverse order. */
+ RC_STRING *rlevel;
+ TAILQ_FOREACH_REVERSE(rlevel, runlevel_chain, rc_stringlist, entries)
+ {
+ /* Get a list of all the services in that runlevel */
+ RC_STRINGLIST *run_services = rc_services_in_runlevel(rlevel->value);
+
+ /* Start those services. */
+ rc_stringlist_sort(&run_services);
+ deporder = rc_deptree_depends(deptree, types_nua, run_services, rlevel->value, depoptions | RC_DEP_START);
+ rc_stringlist_free(run_services);
+ run_services = deporder;
+ do_start_services(run_services, parallel);
+
+ /* Wait for our services to finish */
+ wait_for_services();
+
+ /* Free the list of services, we're done with it. */
+ rc_stringlist_free(run_services);
+ }
+ rc_stringlist_free(runlevel_chain);
}
#ifdef __linux__
- /* mark any services skipped as stopped */
+ /* If the "noinit" parameter was passed on the kernel command line then
+ * mark the specified services as stopped so that our records reflect
+ * reality. */
proc = p = rc_proc_getent("noinit");
if (proc) {
while ((token = strsep(&p, ",")))
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-18 21:44:09 +0000