/* Remove this unit from the chain of swaps which share the
* same kernel swap device. */
- first = hashmap_get(s->meta.manager->swaps_by_proc_swaps, s->parameters_proc_swaps.what);
+ first = hashmap_get(UNIT(s)->manager->swaps_by_proc_swaps, s->parameters_proc_swaps.what);
LIST_REMOVE(Swap, same_proc_swaps, first, s);
if (first)
- hashmap_remove_and_replace(s->meta.manager->swaps_by_proc_swaps, s->parameters_proc_swaps.what, first->parameters_proc_swaps.what, first);
+ hashmap_remove_and_replace(UNIT(s)->manager->swaps_by_proc_swaps, s->parameters_proc_swaps.what, first->parameters_proc_swaps.what, first);
else
- hashmap_remove(s->meta.manager->swaps_by_proc_swaps, s->parameters_proc_swaps.what);
+ hashmap_remove(UNIT(s)->manager->swaps_by_proc_swaps, s->parameters_proc_swaps.what);
free(s->parameters_proc_swaps.what);
s->parameters_proc_swaps.what = NULL;
Swap *s = SWAP(u);
assert(s);
- assert(s->meta.load_state == UNIT_STUB);
+ assert(UNIT(s)->load_state == UNIT_STUB);
s->timeout_usec = DEFAULT_TIMEOUT_USEC;
s->timer_watch.type = WATCH_INVALID;
- s->control_command_id = _MOUNT_EXEC_COMMAND_INVALID;
+ s->control_command_id = _SWAP_EXEC_COMMAND_INVALID;
- s->meta.ignore_on_isolate = true;
+ UNIT(s)->ignore_on_isolate = true;
}
static void swap_unwatch_control_pid(Swap *s) {
assert(s);
assert(m);
- if (s->meta.load_state != UNIT_LOADED ||
- m->meta.load_state != UNIT_LOADED)
+ if (UNIT(s)->load_state != UNIT_LOADED ||
+ UNIT(m)->load_state != UNIT_LOADED)
return 0;
if (is_device_path(s->what))
assert(s);
- LIST_FOREACH(units_by_type, other, s->meta.manager->units_by_type[UNIT_MOUNT])
- if ((r = swap_add_one_mount_link(s, (Mount*) other)) < 0)
+ 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;
else
return 0;
- if ((r = manager_load_unit(s->meta.manager, SPECIAL_SWAP_TARGET, NULL, NULL, &tu)) < 0)
+ if ((r = manager_load_unit(UNIT(s)->manager, SPECIAL_SWAP_TARGET, NULL, NULL, &tu)) < 0)
return r;
if (!p->noauto &&
!p->nofail &&
- (p->handle || s->meta.manager->swap_auto) &&
+ (p->handle || UNIT(s)->manager->swap_auto) &&
s->from_etc_fstab &&
- s->meta.manager->running_as == MANAGER_SYSTEM)
+ UNIT(s)->manager->running_as == MANAGER_SYSTEM)
if ((r = unit_add_dependency(tu, UNIT_WANTS, UNIT(s), true)) < 0)
return r;
if (is_device_path(s->what))
return unit_add_node_link(UNIT(s), s->what,
!p->noauto && p->nofail &&
- s->meta.manager->running_as == MANAGER_SYSTEM);
+ UNIT(s)->manager->running_as == MANAGER_SYSTEM);
else
/* File based swap devices need to be ordered after
* remount-rootfs.service, since they might need a
assert(s);
- if (s->meta.manager->running_as == MANAGER_SYSTEM) {
+ if (UNIT(s)->manager->running_as == MANAGER_SYSTEM) {
if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_UMOUNT_TARGET, NULL, true)) < 0)
return r;
bool b;
char *e;
- if (s->meta.load_state != UNIT_LOADED)
+ if (UNIT(s)->load_state != UNIT_LOADED)
return 0;
if (!(e = unit_name_from_path(s->what, ".swap")))
free(e);
if (!b) {
- log_error("%s: Value of \"What\" and unit name do not match, not loading.\n", s->meta.id);
+ log_error("%s: Value of \"What\" and unit name do not match, not loading.\n", UNIT(s)->id);
return -EINVAL;
}
if (s->exec_context.pam_name && s->exec_context.kill_mode != KILL_CONTROL_GROUP) {
- log_error("%s has PAM enabled. Kill mode must be set to 'control-group'. Refusing.", s->meta.id);
+ log_error("%s has PAM enabled. Kill mode must be set to 'control-group'. Refusing.", UNIT(s)->id);
return -EINVAL;
}
if ((r = unit_add_exec_dependencies(u, &s->exec_context)) < 0)
return r;
- if (s->meta.fragment_path)
+ if (UNIT(s)->fragment_path)
s->from_fragment = true;
if (!s->what) {
path_kill_slashes(s->what);
- if (!s->meta.description)
+ if (!UNIT(s)->description)
if ((r = unit_set_description(u, s->what)) < 0)
return r;
if ((r = unit_add_default_cgroups(u)) < 0)
return r;
- if (s->meta.default_dependencies)
+ if (UNIT(s)->default_dependencies)
if ((r = swap_add_default_dependencies(s)) < 0)
return r;
}
if (state != old_state)
log_debug("%s changed %s -> %s",
- s->meta.id,
+ UNIT(s)->id,
swap_state_to_string(old_state),
swap_state_to_string(state));
fprintf(f,
"%sSwap State: %s\n"
+ "%sResult: %s\n"
"%sWhat: %s\n"
"%sPriority: %i\n"
"%sNoAuto: %s\n"
"%sFrom /proc/swaps: %s\n"
"%sFrom fragment: %s\n",
prefix, swap_state_to_string(s->state),
+ prefix, swap_result_to_string(s->result),
prefix, s->what,
prefix, p->priority,
prefix, yes_no(p->noauto),
NULL,
&s->exec_context,
NULL, 0,
- s->meta.manager->environment,
+ UNIT(s)->manager->environment,
true,
true,
true,
- s->meta.manager->confirm_spawn,
- s->meta.cgroup_bondings,
- s->meta.cgroup_attributes,
+ UNIT(s)->manager->confirm_spawn,
+ UNIT(s)->cgroup_bondings,
+ UNIT(s)->cgroup_attributes,
&pid)) < 0)
goto fail;
return r;
}
-static void swap_enter_dead(Swap *s, bool success) {
+static void swap_enter_dead(Swap *s, SwapResult f) {
assert(s);
- if (!success)
- s->failure = true;
+ if (f != SWAP_SUCCESS)
+ s->result = f;
- swap_set_state(s, s->failure ? SWAP_FAILED : SWAP_DEAD);
+ swap_set_state(s, s->result != SWAP_SUCCESS ? SWAP_FAILED : SWAP_DEAD);
}
-static void swap_enter_active(Swap *s, bool success) {
+static void swap_enter_active(Swap *s, SwapResult f) {
assert(s);
- if (!success)
- s->failure = true;
+ if (f != SWAP_SUCCESS)
+ s->result = f;
swap_set_state(s, SWAP_ACTIVE);
}
-static void swap_enter_signal(Swap *s, SwapState state, bool success) {
+static void swap_enter_signal(Swap *s, SwapState state, SwapResult f) {
int r;
Set *pid_set = NULL;
bool wait_for_exit = false;
assert(s);
- if (!success)
- s->failure = true;
+ if (f != SWAP_SUCCESS)
+ s->result = f;
if (s->exec_context.kill_mode != KILL_NONE) {
int sig = (state == SWAP_ACTIVATING_SIGTERM ||
if ((r = set_put(pid_set, LONG_TO_PTR(s->control_pid))) < 0)
goto fail;
- if ((r = cgroup_bonding_kill_list(s->meta.cgroup_bondings, sig, true, pid_set)) < 0) {
+ if ((r = cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, sig, true, pid_set)) < 0) {
if (r != -EAGAIN && r != -ESRCH && r != -ENOENT)
log_warning("Failed to kill control group: %s", strerror(-r));
} else if (r > 0)
swap_set_state(s, state);
} else
- swap_enter_dead(s, true);
+ swap_enter_dead(s, SWAP_SUCCESS);
return;
fail:
- log_warning("%s failed to kill processes: %s", s->meta.id, strerror(-r));
+ log_warning("%s failed to kill processes: %s", UNIT(s)->id, strerror(-r));
- swap_enter_dead(s, false);
+ swap_enter_dead(s, SWAP_FAILURE_RESOURCES);
if (pid_set)
set_free(pid_set);
return;
fail:
- log_warning("%s failed to run 'swapon' task: %s", s->meta.id, strerror(-r));
- swap_enter_dead(s, false);
+ log_warning("%s failed to run 'swapon' task: %s", UNIT(s)->id, strerror(-r));
+ swap_enter_dead(s, SWAP_FAILURE_RESOURCES);
}
-static void swap_enter_deactivating(Swap *s, bool success) {
+static void swap_enter_deactivating(Swap *s) {
int r;
assert(s);
- if (!success)
- s->failure = true;
-
s->control_command_id = SWAP_EXEC_DEACTIVATE;
s->control_command = s->exec_command + SWAP_EXEC_DEACTIVATE;
return;
fail:
- log_warning("%s failed to run 'swapoff' task: %s", s->meta.id, strerror(-r));
- swap_enter_active(s, false);
+ log_warning("%s failed to run 'swapoff' task: %s", UNIT(s)->id, strerror(-r));
+ swap_enter_active(s, SWAP_FAILURE_RESOURCES);
}
static int swap_start(Unit *u) {
assert(s->state == SWAP_DEAD || s->state == SWAP_FAILED);
- s->failure = false;
+ s->result = SWAP_SUCCESS;
swap_enter_activating(s);
return 0;
}
assert(s->state == SWAP_ACTIVATING ||
s->state == SWAP_ACTIVE);
- swap_enter_deactivating(s, true);
+ swap_enter_deactivating(s);
return 0;
}
assert(fds);
unit_serialize_item(u, f, "state", swap_state_to_string(s->state));
- unit_serialize_item(u, f, "failure", yes_no(s->failure));
+ unit_serialize_item(u, f, "result", swap_result_to_string(s->result));
if (s->control_pid > 0)
unit_serialize_item_format(u, f, "control-pid", "%lu", (unsigned long) s->control_pid);
log_debug("Failed to parse state value %s", value);
else
s->deserialized_state = state;
- } else if (streq(key, "failure")) {
- int b;
-
- if ((b = parse_boolean(value)) < 0)
- log_debug("Failed to parse failure value %s", value);
- else
- s->failure = b || s->failure;
-
+ } else if (streq(key, "result")) {
+ SwapResult f;
+
+ f = swap_result_from_string(value);
+ if (f < 0)
+ log_debug("Failed to parse result value %s", value);
+ else if (f != SWAP_SUCCESS)
+ s->result = f;
} else if (streq(key, "control-pid")) {
pid_t pid;
static void swap_sigchld_event(Unit *u, pid_t pid, int code, int status) {
Swap *s = SWAP(u);
- bool success;
+ SwapResult f;
assert(s);
assert(pid >= 0);
s->control_pid = 0;
- success = is_clean_exit(code, status);
- s->failure = s->failure || !success;
+ if (is_clean_exit(code, status))
+ f = SWAP_SUCCESS;
+ else if (code == CLD_EXITED)
+ f = SWAP_FAILURE_EXIT_CODE;
+ else if (code == CLD_KILLED)
+ f = SWAP_FAILURE_SIGNAL;
+ else if (code == CLD_DUMPED)
+ f = SWAP_FAILURE_CORE_DUMP;
+ else
+ assert_not_reached("Unknown code");
+
+ if (f != SWAP_SUCCESS)
+ s->result = f;
if (s->control_command) {
exec_status_exit(&s->control_command->exec_status, &s->exec_context, pid, code, status);
+
s->control_command = NULL;
s->control_command_id = _SWAP_EXEC_COMMAND_INVALID;
}
- log_full(success ? LOG_DEBUG : LOG_NOTICE,
+ log_full(f == SWAP_SUCCESS ? LOG_DEBUG : LOG_NOTICE,
"%s swap process exited, code=%s status=%i", u->id, sigchld_code_to_string(code), status);
switch (s->state) {
case SWAP_ACTIVATING_SIGTERM:
case SWAP_ACTIVATING_SIGKILL:
- if (success)
- swap_enter_active(s, true);
+ if (f == SWAP_SUCCESS)
+ swap_enter_active(s, f);
else
- swap_enter_dead(s, false);
+ swap_enter_dead(s, f);
break;
case SWAP_DEACTIVATING:
case SWAP_DEACTIVATING_SIGKILL:
case SWAP_DEACTIVATING_SIGTERM:
- if (success)
- swap_enter_dead(s, true);
+ if (f == SWAP_SUCCESS)
+ swap_enter_dead(s, f);
else
- swap_enter_dead(s, false);
+ swap_enter_dead(s, f);
break;
default:
case SWAP_ACTIVATING:
log_warning("%s activation timed out. Stopping.", u->id);
- swap_enter_signal(s, SWAP_ACTIVATING_SIGTERM, false);
+ swap_enter_signal(s, SWAP_ACTIVATING_SIGTERM, SWAP_FAILURE_TIMEOUT);
break;
case SWAP_DEACTIVATING:
log_warning("%s deactivation timed out. Stopping.", u->id);
- swap_enter_signal(s, SWAP_DEACTIVATING_SIGTERM, false);
+ swap_enter_signal(s, SWAP_DEACTIVATING_SIGTERM, SWAP_FAILURE_TIMEOUT);
break;
case SWAP_ACTIVATING_SIGTERM:
if (s->exec_context.send_sigkill) {
log_warning("%s activation timed out. Killing.", u->id);
- swap_enter_signal(s, SWAP_ACTIVATING_SIGKILL, false);
+ swap_enter_signal(s, SWAP_ACTIVATING_SIGKILL, SWAP_FAILURE_TIMEOUT);
} else {
log_warning("%s activation timed out. Skipping SIGKILL. Ignoring.", u->id);
- swap_enter_dead(s, false);
+ swap_enter_dead(s, SWAP_FAILURE_TIMEOUT);
}
break;
case SWAP_DEACTIVATING_SIGTERM:
if (s->exec_context.send_sigkill) {
log_warning("%s deactivation timed out. Killing.", u->id);
- swap_enter_signal(s, SWAP_DEACTIVATING_SIGKILL, false);
+ swap_enter_signal(s, SWAP_DEACTIVATING_SIGKILL, SWAP_FAILURE_TIMEOUT);
} else {
log_warning("%s deactivation timed out. Skipping SIGKILL. Ignoring.", u->id);
- swap_enter_dead(s, false);
+ swap_enter_dead(s, SWAP_FAILURE_TIMEOUT);
}
break;
case SWAP_ACTIVATING_SIGKILL:
case SWAP_DEACTIVATING_SIGKILL:
log_warning("%s swap process still around after SIGKILL. Ignoring.", u->id);
- swap_enter_dead(s, false);
+ swap_enter_dead(s, SWAP_FAILURE_TIMEOUT);
break;
default:
}
int swap_fd_event(Manager *m, int events) {
- Unit *meta;
+ Unit *u;
int r;
assert(m);
log_error("Failed to reread /proc/swaps: %s", strerror(-r));
/* Reset flags, just in case, for late calls */
- LIST_FOREACH(units_by_type, meta, m->units_by_type[UNIT_SWAP]) {
- Swap *swap = (Swap*) meta;
+ LIST_FOREACH(units_by_type, u, m->units_by_type[UNIT_SWAP]) {
+ Swap *swap = SWAP(u);
swap->is_active = swap->just_activated = false;
}
manager_dispatch_load_queue(m);
- LIST_FOREACH(units_by_type, meta, m->units_by_type[UNIT_SWAP]) {
- Swap *swap = (Swap*) meta;
+ LIST_FOREACH(units_by_type, u, m->units_by_type[UNIT_SWAP]) {
+ Swap *swap = SWAP(u);
if (!swap->is_active) {
/* This has just been deactivated */
switch (swap->state) {
case SWAP_ACTIVE:
- swap_enter_dead(swap, true);
+ swap_enter_dead(swap, SWAP_SUCCESS);
break;
default:
case SWAP_DEAD:
case SWAP_FAILED:
- swap_enter_active(swap, true);
+ swap_enter_active(swap, SWAP_SUCCESS);
break;
default:
if (s->state == SWAP_FAILED)
swap_set_state(s, SWAP_DEAD);
- s->failure = false;
+ s->result = SWAP_SUCCESS;
}
static int swap_kill(Unit *u, KillWho who, KillMode mode, int signo, DBusError *error) {
goto finish;
}
- if ((q = cgroup_bonding_kill_list(s->meta.cgroup_bondings, signo, false, pid_set)) < 0)
+ if ((q = cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, signo, false, pid_set)) < 0)
if (q != -EAGAIN && q != -ESRCH && q != -ENOENT)
r = q;
}
DEFINE_STRING_TABLE_LOOKUP(swap_exec_command, SwapExecCommand);
+static const char* const swap_result_table[_SWAP_RESULT_MAX] = {
+ [SWAP_SUCCESS] = "success",
+ [SWAP_FAILURE_RESOURCES] = "resources",
+ [SWAP_FAILURE_TIMEOUT] = "timeout",
+ [SWAP_FAILURE_EXIT_CODE] = "exit-code",
+ [SWAP_FAILURE_SIGNAL] = "signal",
+ [SWAP_FAILURE_CORE_DUMP] = "core-dump"
+};
+
+DEFINE_STRING_TABLE_LOOKUP(swap_result, SwapResult);
+
const UnitVTable swap_vtable = {
.suffix = ".swap",
.object_size = sizeof(Swap),
~ianmdlvl / elogind.git / blobdiff