* same kernel swap device. */
swaps = UNIT(s)->manager->swaps_by_proc_swaps;
first = hashmap_get(swaps, s->parameters_proc_swaps.what);
- LIST_REMOVE(Swap, same_proc_swaps, first, s);
+ LIST_REMOVE(same_proc_swaps, first, s);
if (first)
hashmap_remove_and_replace(swaps,
s->exec_context.std_output = u->manager->default_std_output;
s->exec_context.std_error = u->manager->default_std_error;
kill_context_init(&s->kill_context);
+ cgroup_context_init(&s->cgroup_context);
s->parameters_proc_swaps.priority = s->parameters_fragment.priority = -1;
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);
unit_unwatch_timer(u, &s->timer_watch);
}
-int swap_add_one_mount_link(Swap *s, Mount *m) {
- int r;
-
- assert(s);
- assert(m);
-
- if (UNIT(s)->load_state != UNIT_LOADED ||
- UNIT(m)->load_state != UNIT_LOADED)
- return 0;
-
- if (is_device_path(s->what))
- return 0;
-
- if (!path_startswith(s->what, m->where))
- return 0;
-
- r = unit_add_two_dependencies(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, UNIT(m), true);
- if (r < 0)
- return r;
-
- return 0;
-}
-
-static int swap_add_mount_links(Swap *s) {
- Unit *other;
- int r;
-
- assert(s);
-
- LIST_FOREACH(units_by_type, other, UNIT(s)->manager->units_by_type[UNIT_MOUNT])
- if ((r = swap_add_one_mount_link(s, MOUNT(other))) < 0)
- return r;
-
- return 0;
-}
-
static int swap_add_device_links(Swap *s) {
SwapParameters *p;
return 0;
if (is_device_path(s->what))
- return unit_add_node_link(UNIT(s), s->what,
- !p->noauto && p->nofail &&
+ return unit_add_node_link(UNIT(s), s->what, !p->noauto &&
UNIT(s)->manager->running_as == SYSTEMD_SYSTEM);
else
/* File based swap devices need to be ordered after
}
static int swap_add_default_dependencies(Swap *s) {
+ bool nofail = false, noauto = false;
int r;
assert(s);
if (r < 0)
return r;
+ if (s->from_fragment) {
+ SwapParameters *p = &s->parameters_fragment;
+
+ nofail = p->nofail;
+ noauto = p->noauto;
+ }
+
+ if (!noauto) {
+ if (nofail)
+ r = unit_add_dependency_by_name_inverse(UNIT(s),
+ UNIT_WANTS, SPECIAL_SWAP_TARGET, NULL, true);
+ else
+ r = unit_add_two_dependencies_by_name_inverse(UNIT(s),
+ UNIT_AFTER, UNIT_REQUIRES, SPECIAL_SWAP_TARGET, NULL, true);
+ if (r < 0)
+ return r;
+ }
+
return 0;
}
static int swap_verify(Swap *s) {
bool b;
- char _cleanup_free_ *e = NULL;
+ _cleanup_free_ char *e = NULL;
if (UNIT(s)->load_state != UNIT_LOADED)
return 0;
if ((r = unit_set_description(u, s->what)) < 0)
return r;
- r = swap_add_device_links(s);
+ r = unit_require_mounts_for(UNIT(s), s->what);
if (r < 0)
return r;
- r = swap_add_mount_links(s);
+ r = swap_add_device_links(s);
if (r < 0)
return r;
- r = unit_add_default_cgroups(u);
+ r = unit_add_default_slice(u);
if (r < 0)
return r;
bool set_flags) {
Unit *u = NULL;
- char _cleanup_free_ *e = NULL;
+ _cleanup_free_ char *e = NULL;
char *wp = NULL;
bool delete = false;
int r;
p->what = wp;
first = hashmap_get(m->swaps_by_proc_swaps, wp);
- LIST_PREPEND(Swap, same_proc_swaps, first, SWAP(u));
+ LIST_PREPEND(same_proc_swaps, first, SWAP(u));
r = hashmap_replace(m->swaps_by_proc_swaps, wp, first);
if (r < 0)
assert(c);
assert(_pid);
+ unit_realize_cgroup(UNIT(s));
+
r = unit_watch_timer(UNIT(s), CLOCK_MONOTONIC, true, s->timeout_usec, &s->timer_watch);
if (r < 0)
goto fail;
true,
true,
UNIT(s)->manager->confirm_spawn,
- UNIT(s)->cgroup_bondings,
- UNIT(s)->cgroup_attributes,
- NULL,
+ UNIT(s)->manager->cgroup_supported,
+ UNIT(s)->cgroup_path,
UNIT(s)->id,
NULL,
&pid);
return 0;
}
-static UnitActiveState swap_active_state(Unit *u) {
+_pure_ static UnitActiveState swap_active_state(Unit *u) {
assert(u);
return state_translation_table[SWAP(u)->state];
}
-static const char *swap_sub_state_to_string(Unit *u) {
+_pure_ static const char *swap_sub_state_to_string(Unit *u) {
assert(u);
return swap_state_to_string(SWAP(u)->state);
}
-static bool swap_check_gc(Unit *u) {
+_pure_ static bool swap_check_gc(Unit *u) {
Swap *s = SWAP(u);
assert(s);
(void) fscanf(m->proc_swaps, "%*s %*s %*s %*s %*s\n");
for (i = 1;; i++) {
- char *dev = NULL, *d;
+ _cleanup_free_ char *dev = NULL, *d = NULL;
int prio = 0, k;
k = fscanf(m->proc_swaps,
break;
log_warning("Failed to parse /proc/swaps:%u", i);
- free(dev);
continue;
}
d = cunescape(dev);
- free(dev);
-
if (!d)
return -ENOMEM;
k = swap_process_new_swap(m, d, prio, set_flags);
- free(d);
-
if (k < 0)
r = k;
}
static int swap_enumerate(Manager *m) {
int r;
- struct epoll_event ev;
assert(m);
if (!m->proc_swaps) {
+ struct epoll_event ev = {
+ .events = EPOLLPRI,
+ .data.ptr = &m->swap_watch,
+ };
+
m->proc_swaps = fopen("/proc/swaps", "re");
if (!m->proc_swaps)
return (errno == ENOENT) ? 0 : -errno;
m->swap_watch.type = WATCH_SWAP;
m->swap_watch.fd = fileno(m->proc_swaps);
- zero(ev);
- ev.events = EPOLLPRI;
- ev.data.ptr = &m->swap_watch;
-
if (epoll_ctl(m->epoll_fd, EPOLL_CTL_ADD, m->swap_watch.fd, &ev) < 0)
return -errno;
}
"Swap\0"
"Install\0",
+ .private_section = "Swap",
.exec_context_offset = offsetof(Swap, exec_context),
- .exec_section = "Swap",
+ .cgroup_context_offset = offsetof(Swap, cgroup_context),
.no_alias = true,
.no_instances = true,
.bus_interface = "org.freedesktop.systemd1.Swap",
.bus_message_handler = bus_swap_message_handler,
.bus_invalidating_properties = bus_swap_invalidating_properties,
+ .bus_set_property = bus_swap_set_property,
+ .bus_commit_properties = bus_swap_commit_properties,
.following = swap_following,
.following_set = swap_following_set,