X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fsession.c;h=4aeddcc2c348c49fd97b3abe791e586efce40b7e;hb=8cccbac8da97397b61aa094c67e62ee922b628ed;hp=f9df6e1f440411e8081d9fbef5498c75ab54a7de;hpb=3393f185a5109832db68966a44b46204cc5c53c5;p=libsigrok.git

diff --git a/src/session.c b/src/session.c
index f9df6e1f..4aeddcc2 100644
--- a/src/session.c
+++ b/src/session.c
@@ -256,6 +256,8 @@ SR_API int sr_session_destroy(struct sr_session *session)
 	sr_session_dev_remove_all(session);
 	g_slist_free_full(session->owned_devs, (GDestroyNotify)sr_dev_inst_free);
 
+	sr_session_datafeed_callback_remove_all(session);
+
 	g_hash_table_unref(session->event_sources);
 
 	g_mutex_clear(&session->main_mutex);
@@ -403,6 +405,45 @@ SR_API int sr_session_dev_list(struct sr_session *session, GSList **devlist)
 	return SR_OK;
 }
 
+/**
+ * Remove a device instance from a session.
+ *
+ * @param session The session to remove from. Must not be NULL.
+ * @param sdi The device instance to remove from a session. Must not
+ *            be NULL. Also, sdi->driver and sdi->driver->dev_open must
+ *            not be NULL.
+ *
+ * @retval SR_OK Success.
+ * @retval SR_ERR_ARG Invalid argument.
+ *
+ * @since 0.4.0
+ */
+SR_API int sr_session_dev_remove(struct sr_session *session,
+		struct sr_dev_inst *sdi)
+{
+	if (!sdi) {
+		sr_err("%s: sdi was NULL", __func__);
+		return SR_ERR_ARG;
+	}
+
+	if (!session) {
+		sr_err("%s: session was NULL", __func__);
+		return SR_ERR_ARG;
+	}
+
+	/* If sdi->session is not session, the device is not in this
+	 * session. */
+	if (sdi->session != session) {
+		sr_err("%s: not assigned to this session", __func__);
+		return SR_ERR_ARG;
+	}
+
+	session->devs = g_slist_remove(session->devs, sdi);
+	sdi->session = NULL;
+
+	return SR_OK;
+}
+
 /**
  * Remove all datafeed callbacks in a session.
  *