X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fdevice%2Fdevinst.h;h=9098027eb84e0674da978a65c38e67df3485c36f;hp=6e81f49c686fcc8ab1424ed2836ae6e859e5e348;hb=996b7c9da9b5cb56413e829217e1e7d7d7d520da;hpb=85843b14c48affe67820ec8c9e357cd26e0ed943

diff --git a/pv/device/devinst.h b/pv/device/devinst.h
index 6e81f49c..9098027e 100644
--- a/pv/device/devinst.h
+++ b/pv/device/devinst.h
@@ -36,6 +36,9 @@ struct sr_probe;
 struct sr_probe_group;
 
 namespace pv {
+
+class SigSession;
+
 namespace device {
 
 class DevInst : public QObject
@@ -48,6 +51,12 @@ protected:
 public:
 	sr_dev_inst* dev_inst() const;
 
+	void use(SigSession *owner);
+
+	void release();
+
+	SigSession* owner() const;
+
 	virtual std::string format_device_title() const = 0;
 
 	GVariant* get_config(const sr_probe_group *group, int key);
@@ -71,6 +80,7 @@ signals:
 
 protected:
 	sr_dev_inst *const _sdi;
+	SigSession *_owner;
 };
 
 } // device