From: Martin Ling <redacted>
Date: Sun, 24 Aug 2014 01:00:14 +0000 (+0100)
Subject: C++: Correct ownership of InputDevice objects.
X-Git-Tag: libsigrok-0.4.0~1097
X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=6e5240f418a8e021a8d1272b6255a8c0f10b5af6;p=libsigrok.git

C++: Correct ownership of InputDevice objects.
---

diff --git a/bindings/cxx/classes.cpp b/bindings/cxx/classes.cpp
index 986b2c1e..edd68bd4 100644
--- a/bindings/cxx/classes.cpp
+++ b/bindings/cxx/classes.cpp
@@ -361,7 +361,7 @@ Glib::VariantContainerBase Configurable::config_list(const ConfigKey *key)
 
 Device::Device(struct sr_dev_inst *structure) :
 	Configurable(structure->driver, structure, NULL),
-	StructureWrapper<Context, struct sr_dev_inst>(structure)
+	structure(structure)
 {
 	for (GSList *entry = structure->channels; entry; entry = entry->next)
 	{
@@ -453,6 +453,7 @@ void Device::close()
 }
 
 HardwareDevice::HardwareDevice(Driver *driver, struct sr_dev_inst *structure) :
+	StructureWrapper(structure),
 	Device(structure),
 	driver(driver)
 {
@@ -1155,7 +1156,7 @@ shared_ptr<InputDevice> Input::get_device()
 	}
 
 	return static_pointer_cast<InputDevice>(
-		device->get_shared_pointer(context->shared_from_this()));
+		device->get_shared_pointer(shared_from_this()));
 }
 
 void Input::send(string data)
@@ -1173,8 +1174,10 @@ Input::~Input()
 	check(sr_input_free(structure));
 }
 
-InputDevice::InputDevice(shared_ptr<Input> input, struct sr_dev_inst *sdi) :
-	Device(sdi),
+InputDevice::InputDevice(shared_ptr<Input> input,
+		struct sr_dev_inst *structure) :
+	StructureWrapper(structure),
+	Device(structure),
 	input(input)
 {
 }
diff --git a/bindings/cxx/include/libsigrok/libsigrok.hpp b/bindings/cxx/include/libsigrok/libsigrok.hpp
index 546a4502..cc57d1a0 100644
--- a/bindings/cxx/include/libsigrok/libsigrok.hpp
+++ b/bindings/cxx/include/libsigrok/libsigrok.hpp
@@ -290,8 +290,8 @@ protected:
 
 /** A generic device, either hardware or virtual */
 class SR_API Device :
-	public Configurable,
-	public StructureWrapper<Context, struct sr_dev_inst>
+	public enable_shared_from_this<Device>,
+	public Configurable
 {
 public:
 	/** Description identifying this device. */
@@ -314,6 +314,7 @@ protected:
 	Device(struct sr_dev_inst *structure);
 	~Device();
 	shared_ptr<Channel> get_channel(struct sr_channel *ptr);
+	struct sr_dev_inst *structure;
 	map<struct sr_channel *, Channel *> channels;
 	map<string, ChannelGroup *> channel_groups;
 	/** Deleter needed to allow shared_ptr use with protected destructor. */
@@ -331,7 +332,9 @@ protected:
 };
 
 /** A real hardware device, connected via a driver */
-class SR_API HardwareDevice : public Device
+class SR_API HardwareDevice :
+	public StructureWrapper<Context, struct sr_dev_inst>,
+	public Device
 {
 public:
 	/** Driver providing this device. */
@@ -777,7 +780,9 @@ protected:
 };
 
 /** A virtual device associated with an input */
-class SR_API InputDevice : public Device
+class SR_API InputDevice :
+	public StructureWrapper<Input, struct sr_dev_inst>,
+	public Device
 {
 protected:
 	InputDevice(shared_ptr<Input> input, struct sr_dev_inst *sdi);