chiark / gitweb /
core: add global settings for enabling CPUAccounting=, MemoryAccounting=, BlockIOAcco...
[elogind.git] / src / core / swap.c
index 4e65c701fd1e35db46eecbdcd04b535161523220..96cf38aae2b0a12cc87abb16baa04de76f9792c5 100644 (file)
@@ -124,6 +124,8 @@ static void swap_init(Unit *u) {
         kill_context_init(&s->kill_context);
         cgroup_context_init(&s->cgroup_context);
 
+        unit_cgroup_context_init_defaults(u, &s->cgroup_context);
+
         s->parameters_proc_swaps.priority = s->parameters_fragment.priority = -1;
 
         s->control_command_id = _SWAP_EXEC_COMMAND_INVALID;
@@ -155,12 +157,12 @@ static void swap_done(Unit *u) {
         free(s->parameters_fragment.what);
         s->parameters_fragment.what = NULL;
 
-        exec_context_done(&s->exec_context, manager_is_reloading_or_reexecuting(u->manager));
+        cgroup_context_done(&s->cgroup_context);
+        exec_context_done(&s->exec_context);
+        s->exec_runtime = exec_runtime_unref(s->exec_runtime);
         exec_command_done_array(s->exec_command, _SWAP_EXEC_COMMAND_MAX);
         s->control_command = NULL;
 
-        cgroup_context_done(&s->cgroup_context);
-
         swap_unwatch_control_pid(s);
 
         s->timer_event_source = sd_event_source_unref(s->timer_event_source);
@@ -184,7 +186,7 @@ static int swap_arm_timer(Swap *s) {
                 return sd_event_source_set_enabled(s->timer_event_source, SD_EVENT_ONESHOT);
         }
 
-        return sd_event_add_monotonic(UNIT(s)->manager->event, now(CLOCK_MONOTONIC) + s->timeout_usec, 0, swap_dispatch_timer, s, &s->timer_event_source);
+        return sd_event_add_monotonic(UNIT(s)->manager->event, &s->timer_event_source, now(CLOCK_MONOTONIC) + s->timeout_usec, 0, swap_dispatch_timer, s);
 }
 
 static int swap_add_device_links(Swap *s) {
@@ -352,7 +354,7 @@ static int swap_load(Unit *u) {
                                 return r;
                 }
 
-                r = unit_exec_context_defaults(u, &s->exec_context);
+                r = unit_exec_context_patch_defaults(u, &s->exec_context);
                 if (r < 0)
                         return r;
         }
@@ -625,6 +627,10 @@ static int swap_spawn(Swap *s, ExecCommand *c, pid_t *_pid) {
 
         unit_realize_cgroup(UNIT(s));
 
+        r = unit_setup_exec_runtime(UNIT(s));
+        if (r < 0)
+                goto fail;
+
         r = swap_arm_timer(s);
         if (r < 0)
                 goto fail;
@@ -641,7 +647,9 @@ static int swap_spawn(Swap *s, ExecCommand *c, pid_t *_pid) {
                        UNIT(s)->manager->cgroup_supported,
                        UNIT(s)->cgroup_path,
                        UNIT(s)->id,
+                       0,
                        NULL,
+                       s->exec_runtime,
                        &pid);
         if (r < 0)
                 goto fail;
@@ -667,7 +675,9 @@ static void swap_enter_dead(Swap *s, SwapResult f) {
         if (f != SWAP_SUCCESS)
                 s->result = f;
 
-        exec_context_tmp_dirs_done(&s->exec_context);
+        exec_runtime_destroy(s->exec_runtime);
+        s->exec_runtime = exec_runtime_unref(s->exec_runtime);
+
         swap_set_state(s, s->result != SWAP_SUCCESS ? SWAP_FAILED : SWAP_DEAD);
 }
 
@@ -704,7 +714,11 @@ static void swap_enter_signal(Swap *s, SwapState state, SwapResult f) {
                         goto fail;
 
                 swap_set_state(s, state);
-        } else
+        } else if (state == SWAP_ACTIVATING_SIGTERM)
+                swap_enter_signal(s, SWAP_ACTIVATING_SIGKILL, SWAP_SUCCESS);
+        else if (state == SWAP_DEACTIVATING_SIGTERM)
+                swap_enter_signal(s, SWAP_DEACTIVATING_SIGKILL, SWAP_SUCCESS);
+        else
                 swap_enter_dead(s, SWAP_SUCCESS);
 
         return;
@@ -867,8 +881,6 @@ static int swap_serialize(Unit *u, FILE *f, FDSet *fds) {
         if (s->control_command_id >= 0)
                 unit_serialize_item(u, f, "control-command", swap_exec_command_to_string(s->control_command_id));
 
-        exec_context_serialize(&s->exec_context, UNIT(s), f);
-
         return 0;
 }
 
@@ -912,22 +924,6 @@ static int swap_deserialize_item(Unit *u, const char *key, const char *value, FD
                         s->control_command_id = id;
                         s->control_command = s->exec_command + id;
                 }
-        } else if (streq(key, "tmp-dir")) {
-                char *t;
-
-                t = strdup(value);
-                if (!t)
-                        return log_oom();
-
-                s->exec_context.tmp_dir = t;
-        } else if (streq(key, "var-tmp-dir")) {
-                char *t;
-
-                t = strdup(value);
-                if (!t)
-                        return log_oom();
-
-                s->exec_context.var_tmp_dir = t;
         } else
                 log_debug_unit(u->id, "Unknown serialization key '%s'", key);
 
@@ -1009,10 +1005,7 @@ static void swap_sigchld_event(Unit *u, pid_t pid, int code, int status) {
         case SWAP_DEACTIVATING_SIGKILL:
         case SWAP_DEACTIVATING_SIGTERM:
 
-                if (f == SWAP_SUCCESS)
-                        swap_enter_dead(s, f);
-                else
-                        swap_enter_dead(s, f);
+                swap_enter_dead(s, f);
                 break;
 
         default:
@@ -1193,7 +1186,6 @@ static int swap_dispatch_io(sd_event_source *source, int fd, uint32_t revents, v
 }
 
 static Unit *swap_following(Unit *u) {
-        _cleanup_free_ char *p = NULL;
         Swap *s = SWAP(u);
         Swap *other, *first = NULL;
 
@@ -1280,7 +1272,7 @@ static int swap_enumerate(Manager *m) {
                 if (!m->proc_swaps)
                         return errno == ENOENT ? 0 : -errno;
 
-                r = sd_event_add_io(m->event, fileno(m->proc_swaps), EPOLLPRI, swap_dispatch_io, m, &m->swap_event_source);
+                r = sd_event_add_io(m->event, &m->swap_event_source, fileno(m->proc_swaps), EPOLLPRI, swap_dispatch_io, m);
                 if (r < 0)
                         goto fail;
 
@@ -1347,7 +1339,6 @@ int swap_process_new_device(Manager *m, struct udev_device *dev) {
 }
 
 int swap_process_removed_device(Manager *m, struct udev_device *dev) {
-        _cleanup_free_ char *e = NULL;
         const char *dn;
         int r = 0;
         Swap *s;
@@ -1382,6 +1373,20 @@ static int swap_kill(Unit *u, KillWho who, int signo, sd_bus_error *error) {
         return unit_kill_common(u, who, signo, -1, SWAP(u)->control_pid, error);
 }
 
+static int swap_get_timeout(Unit *u, uint64_t *timeout) {
+        Swap *s = SWAP(u);
+        int r;
+
+        if (!s->timer_event_source)
+                return 0;
+
+        r = sd_event_source_get_time(s->timer_event_source, timeout);
+        if (r < 0)
+                return r;
+
+        return 1;
+}
+
 static const char* const swap_state_table[_SWAP_STATE_MAX] = {
         [SWAP_DEAD] = "dead",
         [SWAP_ACTIVATING] = "activating",
@@ -1420,6 +1425,7 @@ const UnitVTable swap_vtable = {
         .exec_context_offset = offsetof(Swap, exec_context),
         .cgroup_context_offset = offsetof(Swap, cgroup_context),
         .kill_context_offset = offsetof(Swap, kill_context),
+        .exec_runtime_offset = offsetof(Swap, exec_runtime),
 
         .sections =
                 "Unit\0"
@@ -1443,6 +1449,8 @@ const UnitVTable swap_vtable = {
 
         .kill = swap_kill,
 
+        .get_timeout = swap_get_timeout,
+
         .serialize = swap_serialize,
         .deserialize_item = swap_deserialize_item,
 
@@ -1457,7 +1465,6 @@ const UnitVTable swap_vtable = {
 
         .bus_interface = "org.freedesktop.systemd1.Swap",
         .bus_vtable = bus_swap_vtable,
-        .bus_changing_properties = bus_swap_changing_properties,
         .bus_set_property = bus_swap_set_property,
         .bus_commit_properties = bus_swap_commit_properties,