diff options
| author | Richard Hughes <richard@hughsie.com> | 2009-07-21 19:26:52 +0100 |
|---|---|---|
| committer | Richard Hughes <richard@hughsie.com> | 2009-07-21 19:44:37 +0100 |
| commit | 9805175e6eb640d71f5d0085b4bbfe50ea31b9eb (patch) | |
| tree | 7c913c9451eca308533f2316457c6b6ddbf36fa1 | |
| parent | e44e8b0b790f5b29b91e74788c03095b71fe725b (diff) | |
Query the kernel to decide if we have hibernate and suspend support
| -rw-r--r-- | src/dkp-daemon.c | 42 |
1 files changed, 37 insertions, 5 deletions
diff --git a/src/dkp-daemon.c b/src/dkp-daemon.c index a3e0e9e..5e3ee5e 100644 --- a/src/dkp-daemon.c +++ b/src/dkp-daemon.c @@ -85,6 +85,8 @@ struct DkpDaemonPrivate GUdevClient *gudev_client; gboolean lid_is_closed; gboolean lid_is_present; + gboolean can_suspend; + gboolean can_hibernate; }; static void dkp_daemon_class_init (DkpDaemonClass *klass); @@ -200,13 +202,11 @@ dkp_daemon_get_property (GObject *object, break; case PROP_CAN_SUSPEND: - /* TODO: for now assume we can always suspend */ - g_value_set_boolean (value, TRUE); + g_value_set_boolean (value, daemon->priv->can_suspend); break; case PROP_CAN_HIBERNATE: - /* TODO for now assume we can always hibernate */ - g_value_set_boolean (value, TRUE); + g_value_set_boolean (value, daemon->priv->can_hibernate); break; case PROP_ON_BATTERY: @@ -303,7 +303,7 @@ dkp_daemon_class_init (DkpDaemonClass *klass) G_PARAM_READABLE)); g_object_class_install_property (object_class, - PROP_CAN_SUSPEND, + PROP_CAN_HIBERNATE, g_param_spec_boolean ("can-hibernate", "Can Hibernate", "Whether the system can hibernate", @@ -340,6 +340,33 @@ dkp_daemon_class_init (DkpDaemonClass *klass) } /** + * dkp_daemon_check_state: + **/ +static gboolean +dkp_daemon_check_state (DkpDaemon *daemon) +{ + gchar *contents = NULL; + GError *error = NULL; + gboolean ret; + const gchar *filename = "/sys/power/state"; + + /* see what kernel can do */ + ret = g_file_get_contents (filename, &contents, NULL, &error); + if (!ret) { + egg_warning ("failed to open %s: %s", filename, error->message); + g_error_free (error); + goto out; + } + + /* does the kernel advertise this */ + daemon->priv->can_suspend = (g_strstr_len (contents, -1, "mem") != NULL); + daemon->priv->can_hibernate = (g_strstr_len (contents, -1, "disk") != NULL); +out: + g_free (contents); + return ret; +} + +/** * dkp_daemon_init: **/ static void @@ -349,6 +376,11 @@ dkp_daemon_init (DkpDaemon *daemon) daemon->priv->polkit = dkp_polkit_new (); daemon->priv->lid_is_present = FALSE; daemon->priv->lid_is_closed = FALSE; + daemon->priv->can_suspend = FALSE; + daemon->priv->can_hibernate = FALSE; + + /* check if we have support */ + dkp_daemon_check_state (daemon); } /** |