chiark / gitweb /
unit: use the UNIT() macro consistently
[elogind.git] / src / device.c
index b5763645e8851fedb87c6daf5bd3d93234eeba13..0575379d800151ec002f93690442759b14c76a17 100644 (file)
@@ -29,6 +29,7 @@
 #include "log.h"
 #include "unit-name.h"
 #include "dbus-device.h"
+#include "def.h"
 
 static const UnitActiveState state_translation_table[_DEVICE_STATE_MAX] = {
         [DEVICE_DEAD] = UNIT_INACTIVE,
@@ -45,13 +46,13 @@ static void device_unset_sysfs(Device *d) {
 
         /* Remove this unit from the chain of devices which share the
          * same sysfs path. */
-        first = hashmap_get(d->meta.manager->devices_by_sysfs, d->sysfs);
+        first = hashmap_get(UNIT(d)->manager->devices_by_sysfs, d->sysfs);
         LIST_REMOVE(Device, same_sysfs, first, d);
 
         if (first)
-                hashmap_remove_and_replace(d->meta.manager->devices_by_sysfs, d->sysfs, first->sysfs, first);
+                hashmap_remove_and_replace(UNIT(d)->manager->devices_by_sysfs, d->sysfs, first->sysfs, first);
         else
-                hashmap_remove(d->meta.manager->devices_by_sysfs, d->sysfs);
+                hashmap_remove(UNIT(d)->manager->devices_by_sysfs, d->sysfs);
 
         free(d->sysfs);
         d->sysfs = NULL;
@@ -61,14 +62,17 @@ static void device_init(Unit *u) {
         Device *d = DEVICE(u);
 
         assert(d);
-        assert(d->meta.load_state == UNIT_STUB);
+        assert(UNIT(d)->load_state == UNIT_STUB);
 
         /* In contrast to all other unit types we timeout jobs waiting
          * for devices by default. This is because they otherwise wait
-         * indefinetely for plugged in devices, something which cannot
+         * indefinitely for plugged in devices, something which cannot
          * happen for the other units since their operations time out
          * anyway. */
-        d->meta.job_timeout = DEFAULT_TIMEOUT_USEC;
+        UNIT(d)->job_timeout = DEFAULT_TIMEOUT_USEC;
+
+        UNIT(d)->ignore_on_isolate = true;
+        UNIT(d)->ignore_on_snapshot = true;
 }
 
 static void device_done(Unit *u) {
@@ -88,11 +92,11 @@ static void device_set_state(Device *d, DeviceState state) {
 
         if (state != old_state)
                 log_debug("%s changed %s -> %s",
-                          d->meta.id,
+                          UNIT(d)->id,
                           device_state_to_string(old_state),
                           device_state_to_string(state));
 
-        unit_notify(UNIT(d), state_translation_table[old_state], state_translation_table[state]);
+        unit_notify(UNIT(d), state_translation_table[old_state], state_translation_table[state], true);
 }
 
 static int device_coldplug(Unit *u) {
@@ -194,10 +198,12 @@ static int device_update_unit(Manager *m, struct udev_device *dev, const char *p
         if (!u) {
                 delete = true;
 
-                if (!(u = unit_new(m)))
+                u = unit_new(m, sizeof(Device));
+                if (!u)
                         return -ENOMEM;
 
-                if ((r = device_add_escaped_name(u, path)) < 0)
+                r = device_add_escaped_name(u, path);
+                if (r < 0)
                         goto fail;
 
                 unit_add_to_load_queue(u);
@@ -383,16 +389,16 @@ static Unit *device_following(Unit *u) {
 
         assert(d);
 
-        if (startswith(u->meta.id, "sys-"))
+        if (startswith(u->id, "sys-"))
                 return NULL;
 
         /* Make everybody follow the unit that's named after the sysfs path */
         for (other = d->same_sysfs_next; other; other = other->same_sysfs_next)
-                if (startswith(other->meta.id, "sys-"))
+                if (startswith(UNIT(other)->id, "sys-"))
                         return UNIT(other);
 
         for (other = d->same_sysfs_prev; other; other = other->same_sysfs_prev) {
-                if (startswith(other->meta.id, "sys-"))
+                if (startswith(UNIT(other)->id, "sys-"))
                         return UNIT(other);
 
                 first = other;
@@ -468,8 +474,10 @@ static int device_enumerate(Manager *m) {
                         goto fail;
                 }
 
-                if (udev_monitor_set_receive_buffer_size(m->udev_monitor, 128*1024*1024) < 0)
-                        log_error("Failed to set udev event buffer size.");
+                /* This will fail if we are unprivileged, but that
+                 * should not matter much, as user instances won't run
+                 * during boot. */
+                udev_monitor_set_receive_buffer_size(m->udev_monitor, 128*1024*1024);
 
                 if (udev_monitor_filter_add_match_tag(m->udev_monitor, "systemd") < 0) {
                         r = -ENOMEM;
@@ -524,7 +532,7 @@ fail:
 void device_fd_event(Manager *m, int events) {
         struct udev_device *dev;
         int r;
-        const char *action;
+        const char *action, *ready;
 
         assert(m);
 
@@ -533,13 +541,14 @@ void device_fd_event(Manager *m, int events) {
 
                 if (!ratelimit_test(&limit))
                         log_error("Failed to get udev event: %m");
-                return;
+                if (!(events & EPOLLIN))
+                        return;
         }
 
         if (!(dev = udev_monitor_receive_device(m->udev_monitor))) {
                 /*
                  * libudev might filter-out devices which pass the bloom filter,
-                 * so getting NULL here is not neccessarily an error
+                 * so getting NULL here is not necessarily an error
                  */
                 return;
         }
@@ -549,7 +558,9 @@ void device_fd_event(Manager *m, int events) {
                 goto fail;
         }
 
-        if (streq(action, "remove")) {
+        ready = udev_device_get_property_value(dev, "SYSTEMD_READY");
+
+        if (streq(action, "remove") || (ready && parse_boolean(ready) == 0)) {
                 if ((r = device_process_removed_device(m, dev)) < 0) {
                         log_error("Failed to process udev device event: %s", strerror(-r));
                         goto fail;
@@ -574,10 +585,13 @@ DEFINE_STRING_TABLE_LOOKUP(device_state, DeviceState);
 
 const UnitVTable device_vtable = {
         .suffix = ".device",
+        .object_size = sizeof(Device),
+        .sections =
+                "Unit\0"
+                "Device\0"
+                "Install\0",
 
         .no_instances = true,
-        .no_snapshots = true,
-        .no_isolate = true,
 
         .init = device_init,