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Allow rc to start (optionally stop) crashed services, #120

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This commit is contained in:
Roy Marples 2009-04-24 07:03:08 +00:00
parent e643a7fdd5
commit e7b35a8f15
2 changed files with 29 additions and 3 deletions
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6
etc/rc.conf.in
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@ -57,6 +57,12 @@ rc_logger="NO"
# This still allows the service itself to be stopped when called directly. # This still allows the service itself to be stopped when called directly.
#rc_nostop="network" #rc_nostop="network"
# rc will attempt to start crashed services by default.
# However, it will not stop them by default as that could bring down other
# critical services.
#rc_crashed_stop=NO
#rc_crashed_start=YES
############################################################################## ##############################################################################
# MISC CONFIGURATION VARIABLES # MISC CONFIGURATION VARIABLES
# There variables are shared between many init scripts # There variables are shared between many init scripts

26
src/rc/rc.c
View File

@ -571,12 +571,15 @@ do_stop_services(const char *newlevel, bool parallel)
RC_STRINGLIST *deporder, *tmplist; RC_STRINGLIST *deporder, *tmplist;
RC_SERVICE state; RC_SERVICE state;
RC_STRINGLIST *nostop; RC_STRINGLIST *nostop;
bool crashed;
if (!types_n) { if (!types_n) {
types_n = rc_stringlist_new(); types_n = rc_stringlist_new();
rc_stringlist_add(types_n, "needsme"); rc_stringlist_add(types_n, "needsme");
} }
crashed = rc_conf_yesno("rc_crashed_stop");
nostop = rc_stringlist_split(rc_conf_value("rc_nostop"), " "); nostop = rc_stringlist_split(rc_conf_value("rc_nostop"), " ");
TAILQ_FOREACH_REVERSE(service, stop_services, rc_stringlist, entries) TAILQ_FOREACH_REVERSE(service, stop_services, rc_stringlist, entries)
{ {
@ -590,6 +593,12 @@ do_stop_services(const char *newlevel, bool parallel)
continue; continue;
} }
/* If the service has crashed, skip futher checks and just stop
it */
if (crashed &&
rc_service_daemons_crashed(service->value))
goto stop;
/* If we're in the start list then don't bother stopping us */ /* If we're in the start list then don't bother stopping us */
svc1 = rc_stringlist_find(start_services, service->value); svc1 = rc_stringlist_find(start_services, service->value);
if (svc1) { if (svc1) {
@ -628,6 +637,7 @@ do_stop_services(const char *newlevel, bool parallel)
continue; continue;
} }
stop:
/* After all that we can finally stop the blighter! */ /* After all that we can finally stop the blighter! */
pid = service_stop(service->value); pid = service_stop(service->value);
if (pid > 0) { if (pid > 0) {
@ -649,15 +659,25 @@ do_start_services(bool parallel)
pid_t pid; pid_t pid;
bool interactive = false; bool interactive = false;
RC_SERVICE state; RC_SERVICE state;
bool crashed = false;
if (!rc_yesno(getenv("EINFO_QUIET"))) if (!rc_yesno(getenv("EINFO_QUIET")))
interactive = exists(INTERACTIVE); interactive = exists(INTERACTIVE);
errno = 0;
crashed = rc_conf_yesno("rc_crashed_start");
if (errno == ENOENT)
crashed = true;
TAILQ_FOREACH(service, start_services, entries) { TAILQ_FOREACH(service, start_services, entries) {
state = rc_service_state(service->value); state = rc_service_state(service->value);
if (!(state & RC_SERVICE_STOPPED) || state & RC_SERVICE_FAILED) if (!(state & (RC_SERVICE_STOPPED | RC_SERVICE_FAILED))) {
continue; if (crashed &&
rc_service_daemons_crashed(service->value))
rc_service_mark(service->value,
RC_SERVICE_STOPPED);
else
continue;
}
if (!interactive) if (!interactive)
interactive = want_interactive(); interactive = want_interactive();