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authorLennart Poettering <lennart@poettering.net>2010-04-10 17:53:17 +0200
committerLennart Poettering <lennart@poettering.net>2010-04-10 18:00:34 +0200
commite537352b9bfffe6f6286483bff2c7601c78407e3 (patch)
treebe1a46883f8a1bc6b666bd680adda2d309979c15 /service.c
parent108736d0d34d7b74a61a6ac7b99d4d4fec81ce09 (diff)
mount: implement mounting properly
This also includes code that writes utmp/wtmp records when applicable, making use the mount infrastructure to detct when those files are accessible. Finally, this also introduces a --dump-configuration-items switch.
Diffstat (limited to 'service.c')
-rw-r--r--service.c89
1 files changed, 48 insertions, 41 deletions
diff --git a/service.c b/service.c
index e5a9658bcf..73e733bd84 100644
--- a/service.c
+++ b/service.c
@@ -78,7 +78,7 @@ static void service_done(Unit *u) {
s->sysv_runlevels = NULL;
exec_context_done(&s->exec_context);
- exec_command_free_array(s->exec_command, _SERVICE_EXEC_MAX);
+ exec_command_free_array(s->exec_command, _SERVICE_EXEC_COMMAND_MAX);
s->control_command = NULL;
/* This will leak a process, but at least no memory or any of
@@ -280,7 +280,7 @@ static int priority_from_rcd(Service *s, const char *init_script) {
return 0;
}
-static int service_load_sysv_path(Service *s, const char *path, UnitLoadState *new_state) {
+static int service_load_sysv_path(Service *s, const char *path) {
FILE *f;
Unit *u;
unsigned line = 0;
@@ -294,7 +294,6 @@ static int service_load_sysv_path(Service *s, const char *path, UnitLoadState *n
assert(s);
assert(path);
- assert(new_state);
u = UNIT(s);
@@ -607,7 +606,7 @@ static int service_load_sysv_path(Service *s, const char *path, UnitLoadState *n
goto finish;
}
- *new_state = UNIT_LOADED;
+ u->meta.load_state = UNIT_LOADED;
r = 0;
finish:
@@ -618,7 +617,7 @@ finish:
return r;
}
-static int service_load_sysv_name(Service *s, const char *name, UnitLoadState *new_state) {
+static int service_load_sysv_name(Service *s, const char *name) {
char **p;
assert(s);
@@ -634,26 +633,25 @@ static int service_load_sysv_name(Service *s, const char *name, UnitLoadState *n
assert(endswith(path, ".service"));
path[strlen(path)-8] = 0;
- r = service_load_sysv_path(s, path, new_state);
+ r = service_load_sysv_path(s, path);
free(path);
if (r < 0)
return r;
- if (*new_state != UNIT_STUB)
+ if ((UNIT(s)->meta.load_state != UNIT_STUB))
break;
}
return 0;
}
-static int service_load_sysv(Service *s, UnitLoadState *new_state) {
+static int service_load_sysv(Service *s) {
const char *t;
Iterator i;
int r;
assert(s);
- assert(new_state);
/* Load service data from SysV init scripts, preferably with
* LSB headers ... */
@@ -662,31 +660,29 @@ static int service_load_sysv(Service *s, UnitLoadState *new_state) {
return 0;
if ((t = unit_id(UNIT(s))))
- if ((r = service_load_sysv_name(s, t, new_state)) < 0)
+ if ((r = service_load_sysv_name(s, t)) < 0)
return r;
- if (*new_state == UNIT_STUB)
+ if (UNIT(s)->meta.load_state == UNIT_STUB)
SET_FOREACH(t, UNIT(s)->meta.names, i) {
- if ((r == service_load_sysv_name(s, t, new_state)) < 0)
+ if (t == unit_id(UNIT(s)))
+ continue;
+
+ if ((r == service_load_sysv_name(s, t)) < 0)
return r;
- if (*new_state != UNIT_STUB)
+ if (UNIT(s)->meta.load_state != UNIT_STUB)
break;
}
return 0;
}
-static int service_init(Unit *u, UnitLoadState *new_state) {
- int r;
+static void service_init(Unit *u) {
Service *s = SERVICE(u);
- assert(s);
- assert(new_state);
- assert(*new_state == UNIT_STUB);
-
- /* First, reset everything to the defaults, in case this is a
- * reload */
+ assert(u);
+ assert(u->meta.load_state == UNIT_STUB);
s->type = 0;
s->restart = 0;
@@ -711,18 +707,25 @@ static int service_init(Unit *u, UnitLoadState *new_state) {
s->failure = false;
RATELIMIT_INIT(s->ratelimit, 10*USEC_PER_SEC, 5);
+}
+
+static int service_load(Unit *u) {
+ int r;
+ Service *s = SERVICE(u);
+
+ assert(s);
/* Load a .service file */
- if ((r = unit_load_fragment(u, new_state)) < 0)
+ if ((r = unit_load_fragment(u)) < 0)
return r;
/* Load a classic init script as a fallback, if we couldn't find anything */
- if (*new_state == UNIT_STUB)
- if ((r = service_load_sysv(s, new_state)) < 0)
+ if (u->meta.load_state == UNIT_STUB)
+ if ((r = service_load_sysv(s)) < 0)
return r;
/* Still nothing found? Then let's give up */
- if (*new_state == UNIT_STUB)
+ if (u->meta.load_state == UNIT_STUB)
return -ENOENT;
/* We were able to load something, then let's add in the
@@ -731,7 +734,7 @@ static int service_init(Unit *u, UnitLoadState *new_state) {
return r;
/* This is a new unit? Then let's add in some extras */
- if (*new_state == UNIT_LOADED) {
+ if (u->meta.load_state == UNIT_LOADED) {
if ((r = unit_add_exec_dependencies(u, &s->exec_context)) < 0)
return r;
@@ -788,7 +791,7 @@ static void service_dump(Unit *u, FILE *f, const char *prefix) {
exec_context_dump(&s->exec_context, f, prefix);
- for (c = 0; c < _SERVICE_EXEC_MAX; c++) {
+ for (c = 0; c < _SERVICE_EXEC_COMMAND_MAX; c++) {
if (!s->exec_command[c])
continue;
@@ -904,7 +907,7 @@ fail:
}
-static int service_notify_sockets(Service *s) {
+static int service_notify_sockets_dead(Service *s) {
Iterator i;
Set *set;
Socket *sock;
@@ -966,19 +969,14 @@ static void service_set_state(Service *s, ServiceState state) {
state != SERVICE_STOP_SIGKILL &&
state != SERVICE_STOP_POST &&
state != SERVICE_FINAL_SIGTERM &&
- state != SERVICE_FINAL_SIGKILL)
+ state != SERVICE_FINAL_SIGKILL) {
if (s->control_pid > 0) {
unit_unwatch_pid(UNIT(s), s->control_pid);
s->control_pid = 0;
}
- if (state != SERVICE_START_PRE &&
- state != SERVICE_START &&
- state != SERVICE_START_POST &&
- state != SERVICE_RELOAD &&
- state != SERVICE_STOP &&
- state != SERVICE_STOP_POST)
s->control_command = NULL;
+ }
if (state == SERVICE_DEAD ||
state == SERVICE_STOP ||
@@ -989,12 +987,10 @@ static void service_set_state(Service *s, ServiceState state) {
state == SERVICE_FINAL_SIGKILL ||
state == SERVICE_MAINTAINANCE ||
state == SERVICE_AUTO_RESTART)
- service_notify_sockets(s);
+ service_notify_sockets_dead(s);
- if (old_state == state)
- return;
-
- log_debug("%s changed %s → %s", unit_id(UNIT(s)), service_state_to_string(old_state), service_state_to_string(state));
+ if (old_state != state)
+ log_debug("%s changed %s → %s", unit_id(UNIT(s)), service_state_to_string(old_state), service_state_to_string(state));
unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state]);
}
@@ -1489,12 +1485,22 @@ static int service_stop(Unit *u) {
assert(s);
+ /* Cannot do this now */
if (s->state == SERVICE_START_PRE ||
s->state == SERVICE_START ||
s->state == SERVICE_START_POST ||
s->state == SERVICE_RELOAD)
return -EAGAIN;
+ /* Already on it */
+ if (s->state == SERVICE_STOP ||
+ s->state == SERVICE_STOP_SIGTERM ||
+ s->state == SERVICE_STOP_SIGKILL ||
+ s->state == SERVICE_STOP_POST ||
+ s->state == SERVICE_FINAL_SIGTERM ||
+ s->state == SERVICE_FINAL_SIGKILL)
+ return 0;
+
if (s->state == SERVICE_AUTO_RESTART) {
service_set_state(s, SERVICE_DEAD);
return 0;
@@ -1966,7 +1972,7 @@ static const char* const service_type_table[_SERVICE_TYPE_MAX] = {
DEFINE_STRING_TABLE_LOOKUP(service_type, ServiceType);
-static const char* const service_exec_command_table[_SERVICE_EXEC_MAX] = {
+static const char* const service_exec_command_table[_SERVICE_EXEC_COMMAND_MAX] = {
[SERVICE_EXEC_START_PRE] = "ExecStartPre",
[SERVICE_EXEC_START] = "ExecStart",
[SERVICE_EXEC_START_POST] = "ExecStartPost",
@@ -1981,6 +1987,7 @@ const UnitVTable service_vtable = {
.suffix = ".service",
.init = service_init,
+ .load = service_load,
.done = service_done,
.dump = service_dump,