static int mount_dispatch_timer(sd_event_source *source, usec_t usec, void *userdata);
static int mount_dispatch_io(sd_event_source *source, int fd, uint32_t revents, void *userdata);
-static char* mount_test_option(const char *haystack, const char *needle) {
- struct mntent me = { .mnt_opts = (char*) haystack };
-
- assert(needle);
-
- /* Like glibc's hasmntopt(), but works on a string, not a
- * struct mntent */
-
- if (!haystack)
- return NULL;
-
- return hasmntopt(&me, needle);
-}
-
static bool mount_is_network(MountParameters *p) {
assert(p);
m->timeout_usec = u->manager->default_timeout_start_usec;
m->directory_mode = 0755;
- exec_context_init(&m->exec_context);
-
if (unit_has_name(u, "-.mount")) {
/* Don't allow start/stop for root directory */
- UNIT(m)->refuse_manual_start = true;
- UNIT(m)->refuse_manual_stop = true;
+ u->refuse_manual_start = true;
+ u->refuse_manual_stop = true;
} else {
/* The stdio/kmsg bridge socket is on /, in order to avoid a
* dep loop, don't use kmsg logging for -.mount */
m->exec_context.std_error = u->manager->default_std_error;
}
- kill_context_init(&m->kill_context);
- cgroup_context_init(&m->cgroup_context);
-
/* We need to make sure that /bin/mount is always called in
* the same process group as us, so that the autofs kernel
* side doesn't send us another mount request while we are
m->control_command_id = _MOUNT_EXEC_COMMAND_INVALID;
- UNIT(m)->ignore_on_isolate = true;
+ u->ignore_on_isolate = true;
}
static int mount_arm_timer(Mount *m) {
return sd_event_source_set_enabled(m->timer_event_source, SD_EVENT_ONESHOT);
}
- return sd_event_add_monotonic(UNIT(m)->manager->event, now(CLOCK_MONOTONIC) + m->timeout_usec, 0, mount_dispatch_timer, m, &m->timer_event_source);
+ return sd_event_add_time(
+ UNIT(m)->manager->event,
+ &m->timer_event_source,
+ CLOCK_MONOTONIC,
+ now(CLOCK_MONOTONIC) + m->timeout_usec, 0,
+ mount_dispatch_timer, m);
}
static void mount_unwatch_control_pid(Mount *m) {
mount_parameters_done(&m->parameters_proc_self_mountinfo);
mount_parameters_done(&m->parameters_fragment);
- cgroup_context_done(&m->cgroup_context);
- exec_context_done(&m->exec_context, manager_is_reloading_or_reexecuting(u->manager));
+ m->exec_runtime = exec_runtime_unref(m->exec_runtime);
exec_command_done_array(m->exec_command, _MOUNT_EXEC_COMMAND_MAX);
m->control_command = NULL;
b = unit_has_name(UNIT(m), e);
if (!b) {
- log_error_unit(UNIT(m)->id,
- "%s's Where setting doesn't match unit name. Refusing.",
- UNIT(m)->id);
+ log_error_unit(UNIT(m)->id, "%s's Where= setting doesn't match unit name. Refusing.", UNIT(m)->id);
return -EINVAL;
}
if (mount_point_is_api(m->where) || mount_point_ignore(m->where)) {
- log_error_unit(UNIT(m)->id,
- "Cannot create mount unit for API file system %s. Refusing.",
- m->where);
+ log_error_unit(UNIT(m)->id, "Cannot create mount unit for API file system %s. Refusing.", m->where);
return -EINVAL;
}
if (UNIT(m)->fragment_path && !m->parameters_fragment.what) {
- log_error_unit(UNIT(m)->id,
- "%s's What setting is missing. Refusing.", UNIT(m)->id);
+ log_error_unit(UNIT(m)->id, "%s's What setting is missing. Refusing.", UNIT(m)->id);
return -EBADMSG;
}
if (m->exec_context.pam_name && m->kill_context.kill_mode != KILL_CONTROL_GROUP) {
- log_error_unit(UNIT(m)->id,
- "%s has PAM enabled. Kill mode must be set to control-group'. Refusing.",
- UNIT(m)->id);
+ log_error_unit(UNIT(m)->id, "%s has PAM enabled. Kill mode must be set to control-group'. Refusing.",UNIT(m)->id);
return -EINVAL;
}
Unit *u = UNIT(m);
int r;
- if (UNIT(m)->fragment_path)
+ assert(m);
+
+ if (u->fragment_path)
m->from_fragment = true;
if (!m->where) {
path_kill_slashes(m->where);
- r = unit_add_exec_dependencies(u, &m->exec_context);
- if (r < 0)
- return r;
-
- if (!UNIT(m)->description) {
+ if (!u->description) {
r = unit_set_description(u, m->where);
if (r < 0)
return r;
if (r < 0)
return r;
- if (UNIT(m)->default_dependencies) {
- r = mount_add_default_dependencies(m);
- if (r < 0)
- return r;
- }
+ r = unit_patch_contexts(u);
+ if (r < 0)
+ return r;
+
+ r = unit_add_exec_dependencies(u, &m->exec_context);
+ if (r < 0)
+ return r;
- r = unit_add_default_slice(u);
+ r = unit_add_default_slice(u, &m->cgroup_context);
if (r < 0)
return r;
if (r < 0)
return r;
+ if (u->default_dependencies) {
+ r = mount_add_default_dependencies(m);
+ if (r < 0)
+ return r;
+ }
+
return 0;
}
r = mount_add_extras(m);
if (r < 0)
return r;
-
- r = unit_exec_context_defaults(u, &m->exec_context);
- if (r < 0)
- return r;
}
return mount_verify(m);
else if (m->from_proc_self_mountinfo)
new_state = MOUNT_MOUNTED;
- if (new_state != m->state) {
-
- if (new_state == MOUNT_MOUNTING ||
- new_state == MOUNT_MOUNTING_DONE ||
- new_state == MOUNT_REMOUNTING ||
- new_state == MOUNT_UNMOUNTING ||
- new_state == MOUNT_MOUNTING_SIGTERM ||
- new_state == MOUNT_MOUNTING_SIGKILL ||
- new_state == MOUNT_UNMOUNTING_SIGTERM ||
- new_state == MOUNT_UNMOUNTING_SIGKILL ||
- new_state == MOUNT_REMOUNTING_SIGTERM ||
- new_state == MOUNT_REMOUNTING_SIGKILL) {
-
- if (m->control_pid <= 0)
- return -EBADMSG;
-
- r = unit_watch_pid(UNIT(m), m->control_pid);
- if (r < 0)
- return r;
+ if (new_state == m->state)
+ return 0;
- r = mount_arm_timer(m);
- if (r < 0)
- return r;
- }
+ if (new_state == MOUNT_MOUNTING ||
+ new_state == MOUNT_MOUNTING_DONE ||
+ new_state == MOUNT_REMOUNTING ||
+ new_state == MOUNT_UNMOUNTING ||
+ new_state == MOUNT_MOUNTING_SIGTERM ||
+ new_state == MOUNT_MOUNTING_SIGKILL ||
+ new_state == MOUNT_UNMOUNTING_SIGTERM ||
+ new_state == MOUNT_UNMOUNTING_SIGKILL ||
+ new_state == MOUNT_REMOUNTING_SIGTERM ||
+ new_state == MOUNT_REMOUNTING_SIGKILL) {
+
+ if (m->control_pid <= 0)
+ return -EBADMSG;
+
+ r = unit_watch_pid(UNIT(m), m->control_pid);
+ if (r < 0)
+ return r;
- mount_set_state(m, new_state);
+ r = mount_arm_timer(m);
+ if (r < 0)
+ return r;
}
+ mount_set_state(m, new_state);
return 0;
}
if (m->control_pid > 0)
fprintf(f,
- "%sControl PID: %lu\n",
- prefix, (unsigned long) m->control_pid);
+ "%sControl PID: "PID_FMT"\n",
+ prefix, m->control_pid);
exec_context_dump(&m->exec_context, f, prefix);
kill_context_dump(&m->kill_context, f, prefix);
unit_realize_cgroup(UNIT(m));
+ r = unit_setup_exec_runtime(UNIT(m));
+ if (r < 0)
+ goto fail;
+
r = mount_arm_timer(m);
if (r < 0)
goto fail;
UNIT(m)->manager->confirm_spawn,
UNIT(m)->manager->cgroup_supported,
UNIT(m)->cgroup_path,
+ manager_get_runtime_prefix(UNIT(m)->manager),
UNIT(m)->id,
+ 0,
NULL,
+ m->exec_runtime,
&pid);
if (r < 0)
goto fail;
if (f != MOUNT_SUCCESS)
m->result = f;
- exec_context_tmp_dirs_done(&m->exec_context);
+ exec_runtime_destroy(m->exec_runtime);
+ m->exec_runtime = exec_runtime_unref(m->exec_runtime);
+
+ exec_context_destroy_runtime_directory(&m->exec_context, manager_get_runtime_prefix(UNIT(m)->manager));
+
mount_set_state(m, m->result != MOUNT_SUCCESS ? MOUNT_FAILED : MOUNT_DEAD);
}
goto fail;
mount_set_state(m, state);
- } else if (state == MOUNT_REMOUNTING_SIGTERM || state == MOUNT_REMOUNTING_SIGKILL)
+ } else if (state == MOUNT_REMOUNTING_SIGTERM)
+ mount_enter_signal(m, MOUNT_REMOUNTING_SIGKILL, MOUNT_SUCCESS);
+ else if (state == MOUNT_REMOUNTING_SIGKILL)
mount_enter_mounted(m, MOUNT_SUCCESS);
+ else if (state == MOUNT_MOUNTING_SIGTERM)
+ mount_enter_signal(m, MOUNT_MOUNTING_SIGKILL, MOUNT_SUCCESS);
+ else if (state == MOUNT_UNMOUNTING_SIGTERM)
+ mount_enter_signal(m, MOUNT_UNMOUNTING_SIGKILL, MOUNT_SUCCESS);
else
mount_enter_dead(m, MOUNT_SUCCESS);
mount_enter_dead(m, MOUNT_FAILURE_RESOURCES);
}
-static void mount_enter_mounting_done(Mount *m) {
- assert(m);
-
- mount_set_state(m, MOUNT_MOUNTING_DONE);
-}
-
static void mount_enter_remounting(Mount *m) {
int r;
unit_serialize_item(u, f, "reload-result", mount_result_to_string(m->reload_result));
if (m->control_pid > 0)
- unit_serialize_item_format(u, f, "control-pid", "%lu", (unsigned long) m->control_pid);
+ unit_serialize_item_format(u, f, "control-pid", PID_FMT, m->control_pid);
if (m->control_command_id >= 0)
unit_serialize_item(u, f, "control-command", mount_exec_command_to_string(m->control_command_id));
- exec_context_serialize(&m->exec_context, UNIT(m), f);
-
return 0;
}
m->control_command_id = id;
m->control_command = m->exec_command + id;
}
- } else if (streq(key, "tmp-dir")) {
- char *t;
-
- t = strdup(value);
- if (!t)
- return log_oom();
-
- m->exec_context.tmp_dir = t;
- } else if (streq(key, "var-tmp-dir")) {
- char *t;
-
- t = strdup(value);
- if (!t)
- return log_oom();
-
- m->exec_context.var_tmp_dir = t;
} else
log_debug_unit(UNIT(m)->id,
"Unknown serialization key '%s'", key);
const char *options,
const char *fstype,
bool set_flags) {
- int r;
- Unit *u;
- bool delete;
- char *e, *w = NULL, *o = NULL, *f = NULL;
- MountParameters *p;
+
+ _cleanup_free_ char *e = NULL, *w = NULL, *o = NULL, *f = NULL;
bool load_extras = false;
+ MountParameters *p;
+ bool delete, changed = false;
+ Unit *u;
+ int r;
assert(m);
assert(what);
u = manager_get_unit(m, e);
if (!u) {
- const char* const target =
- fstype_is_network(fstype) ? SPECIAL_REMOTE_FS_TARGET : SPECIAL_LOCAL_FS_TARGET;
-
delete = true;
u = unit_new(m, sizeof(Mount));
- if (!u) {
- free(e);
+ if (!u)
return -ENOMEM;
- }
r = unit_add_name(u, e);
- free(e);
-
if (r < 0)
goto fail;
goto fail;
}
- r = unit_add_dependency_by_name(u, UNIT_BEFORE, target, NULL, true);
- if (r < 0)
- goto fail;
- if (should_umount(MOUNT(u))) {
- r = unit_add_dependency_by_name(u, UNIT_CONFLICTS, SPECIAL_UMOUNT_TARGET, NULL, true);
+ if (m->running_as == SYSTEMD_SYSTEM) {
+ const char* target;
+
+ target = fstype_is_network(fstype) ? SPECIAL_REMOTE_FS_TARGET : SPECIAL_LOCAL_FS_TARGET;
+
+ r = unit_add_dependency_by_name(u, UNIT_BEFORE, target, NULL, true);
if (r < 0)
goto fail;
+
+ if (should_umount(MOUNT(u))) {
+ r = unit_add_dependency_by_name(u, UNIT_CONFLICTS, SPECIAL_UMOUNT_TARGET, NULL, true);
+ if (r < 0)
+ goto fail;
+ }
}
unit_add_to_load_queue(u);
+ changed = true;
} else {
delete = false;
- free(e);
if (!MOUNT(u)->where) {
MOUNT(u)->where = strdup(where);
/* Load in the extras later on, after we
* finished initialization of the unit */
load_extras = true;
+ changed = true;
}
}
- if (!(w = strdup(what)) ||
- !(o = strdup(options)) ||
- !(f = strdup(fstype))) {
+ w = strdup(what);
+ o = strdup(options);
+ f = strdup(fstype);
+ if (!w || !o || !f) {
r = -ENOMEM;
goto fail;
}
p = &MOUNT(u)->parameters_proc_self_mountinfo;
+
+ changed = changed ||
+ !streq_ptr(p->options, options) ||
+ !streq_ptr(p->what, what) ||
+ !streq_ptr(p->fstype, fstype);
+
if (set_flags) {
MOUNT(u)->is_mounted = true;
MOUNT(u)->just_mounted = !MOUNT(u)->from_proc_self_mountinfo;
- MOUNT(u)->just_changed = !streq_ptr(p->options, o);
+ MOUNT(u)->just_changed = changed;
}
MOUNT(u)->from_proc_self_mountinfo = true;
free(p->what);
p->what = w;
+ w = NULL;
free(p->options);
p->options = o;
+ o = NULL;
free(p->fstype);
p->fstype = f;
+ f = NULL;
if (load_extras) {
r = mount_add_extras(MOUNT(u));
goto fail;
}
- unit_add_to_dbus_queue(u);
+ if (changed)
+ unit_add_to_dbus_queue(u);
return 0;
fail:
- free(w);
- free(o);
- free(f);
-
if (delete && u)
unit_free(u);
}
}
+static int mount_get_timeout(Unit *u, uint64_t *timeout) {
+ Mount *m = MOUNT(u);
+ int r;
+
+ if (!m->timer_event_source)
+ return 0;
+
+ r = sd_event_source_get_time(m->timer_event_source, timeout);
+ if (r < 0)
+ return r;
+
+ return 1;
+}
+
static int mount_enumerate(Manager *m) {
int r;
assert(m);
if (!m->proc_self_mountinfo)
return -errno;
- r = sd_event_add_io(m->event, fileno(m->proc_self_mountinfo), EPOLLPRI, mount_dispatch_io, m, &m->mount_event_source);
+ r = sd_event_add_io(m->event, &m->mount_event_source, fileno(m->proc_self_mountinfo), EPOLLPRI, mount_dispatch_io, m);
+ if (r < 0)
+ goto fail;
+
+ /* Dispatch this before we dispatch SIGCHLD, so that
+ * we always get the events from /proc/self/mountinfo
+ * before the SIGCHLD of /bin/mount. */
+ r = sd_event_source_set_priority(m->mount_event_source, -10);
if (r < 0)
goto fail;
}
Mount *mount = MOUNT(u);
if (!mount->is_mounted) {
- /* This has just been unmounted. */
mount->from_proc_self_mountinfo = false;
switch (mount->state) {
case MOUNT_MOUNTED:
+ /* This has just been unmounted by
+ * somebody else, follow the state
+ * change. */
mount_enter_dead(mount, MOUNT_SUCCESS);
break;
default:
- mount_set_state(mount, mount->state);
break;
-
}
} else if (mount->just_mounted || mount->just_changed) {
case MOUNT_DEAD:
case MOUNT_FAILED:
+ /* This has just been mounted by
+ * somebody else, follow the state
+ * change. */
mount_enter_mounted(mount, MOUNT_SUCCESS);
break;
case MOUNT_MOUNTING:
- mount_enter_mounting_done(mount);
+ mount_set_state(mount, MOUNT_MOUNTING_DONE);
break;
default:
.exec_context_offset = offsetof(Mount, exec_context),
.cgroup_context_offset = offsetof(Mount, cgroup_context),
.kill_context_offset = offsetof(Mount, kill_context),
+ .exec_runtime_offset = offsetof(Mount, exec_runtime),
.sections =
"Unit\0"
.bus_interface = "org.freedesktop.systemd1.Mount",
.bus_vtable = bus_mount_vtable,
- .bus_changing_properties = bus_mount_changing_properties,
.bus_set_property = bus_mount_set_property,
.bus_commit_properties = bus_mount_commit_properties,
+ .get_timeout = mount_get_timeout,
+
.enumerate = mount_enumerate,
.shutdown = mount_shutdown,