From: Dongwoo Lee <dwoo08.lee@samsung.com>
Date: Mon, 7 Feb 2022 12:53:50 +0000 (+0900)
Subject: util: resource: Add init/exit ops for resource driver
X-Git-Tag: accepted/tizen/unified/20220302.131908~30
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=04c556f10ee88c1b1be7074dd74a22f335a7360e;p=platform%2Fcore%2Fsystem%2Fpass.git

util: resource: Add init/exit ops for resource driver

Change-Id: Ie71a2f7de493f198dc57d9daa0b939b3c9eb8e4b
Signed-off-by: Dongwoo Lee <dwoo08.lee@samsung.com>
---

diff --git a/include/util/resource.h b/include/util/resource.h
index 5c7fd8f..107c194 100644
--- a/include/util/resource.h
+++ b/include/util/resource.h
@@ -65,11 +65,17 @@ struct resource_attribute {
 	const struct resource_attribute_ops ops;
 };
 
+struct resource_driver_ops {
+	int (*init)(struct resource *res);
+	void (*exit)(struct resource *res);
+};
+
 struct resource_driver {
 	const char *name;
 	const int type;
 	const int num_attrs;
 	const struct resource_attribute *attrs;
+	const struct resource_driver_ops ops;
 };
 
 struct resource_device {
@@ -88,6 +94,7 @@ struct resource {
 	int type;
 	int index;
 	void *user_data;
+	void *priv;
 
 	int num_attrs;
 	const struct resource_attribute *attrs;
diff --git a/src/util/resource.c b/src/util/resource.c
index 7bc52a6..7895213 100644
--- a/src/util/resource.c
+++ b/src/util/resource.c
@@ -130,11 +130,8 @@ static const struct resource_driver *find_resource_driver(int resource_type)
 	return (struct resource_driver *)node->data;
 }
 
-void delete_resource(struct resource *resource)
+static void do_delete_resource(struct resource *resource)
 {
-	if (!resource)
-		return;
-
 	if (!resource->name)
 		free(resource->name);
 	if (!resource->attrs_value)
@@ -145,13 +142,32 @@ void delete_resource(struct resource *resource)
 	free(resource);
 }
 
+void delete_resource(struct resource *resource)
+{
+	const struct resource_driver *driver = NULL;
+
+	if (!resource)
+		return;
+
+	driver = find_resource_driver(resource->type);
+	if (!driver) {
+		_E("failed to find driver for resource type: %d\n", resource->type);
+		return;
+	}
+
+	if (driver->ops.exit)
+		driver->ops.exit(resource);
+
+	do_delete_resource(resource);
+}
+
 struct resource *create_resource(int resource_type, int resource_index,
 				 void *user_data)
 {
 	const struct resource_device *device = NULL;
 	const struct resource_driver *driver = NULL;
 	struct resource *resource = NULL;
-	int i;
+	int i, ret;
 
 	device = find_resource_device(resource_type, resource_index);
 	if (!device)
@@ -174,13 +190,21 @@ struct resource *create_resource(int resource_type, int resource_index,
 	resource->attrs_value = calloc(resource->num_attrs,
 					sizeof(*resource->attrs_value));
 	if (!resource->attrs_value) {
-		delete_resource(resource);
+		do_delete_resource(resource);
 		return NULL;
 	}
 
 	for (i = 0; i < resource->num_attrs; i++)
 		resource->attrs_value[i].type = driver->attrs[i].type;
 
+	if (driver->ops.init) {
+		ret = driver->ops.init(resource);
+		if (ret < 0) {
+			do_delete_resource(resource);
+			return NULL;
+		}
+	}
+
 	return resource;
 }