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spa-device-factory: destroy device when the creator resource is destroyed

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This commit is contained in:
George Kiagiadakis 2020-06-02 17:04:01 +03:00 • committed by Wim Taymans
parent 0471ba7fba
commit 16c1a7fe33
1 changed files with 30 additions and 1 deletions
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31
src/modules/spa/module-device-factory.c
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@ -61,6 +61,21 @@ struct device_data {
struct spa_list link;
struct pw_impl_device *device;
struct spa_hook device_listener;
struct spa_hook resource_listener;
};
static void resource_destroy(void *data)
{
struct device_data *nd = data;
pw_log_debug("device %p", nd);
spa_hook_remove(&nd->resource_listener);
if (nd->device)
pw_impl_device_destroy(nd->device);
}
static const struct pw_resource_events resource_events = {
PW_VERSION_RESOURCE_EVENTS,
.destroy = resource_destroy
};
static void device_destroy(void *data)
@ -68,6 +83,7 @@ static void device_destroy(void *data)
struct device_data *nd = data;
spa_list_remove(&nd->link);
spa_hook_remove(&nd->device_listener);
nd->device = NULL;
}
static const struct pw_impl_device_events device_events = {
@ -124,10 +140,19 @@ static void *create_object(void *_data,
pw_impl_device_add_listener(device, &nd->device_listener, &device_events, nd);
if (client) {
pw_global_bind(pw_impl_device_get_global(device),
struct pw_resource *bound_resource;
res = pw_global_bind(pw_impl_device_get_global(device),
client,
PW_PERM_RWX, version,
new_id);
if (res < 0)
goto error_bind;
if ((bound_resource = pw_impl_client_find_resource(client, new_id)) == NULL)
goto error_bind;
pw_resource_add_listener(bound_resource, &nd->resource_listener, &resource_events, nd);
}
return device;
@ -144,6 +169,10 @@ error_device:
pw_resource_errorf_id(resource, new_id, res,
"can't create device: %s", spa_strerror(res));
goto error_exit;
error_bind:
pw_resource_errorf_id(resource, new_id, res, "can't bind device");
pw_impl_device_destroy(device);
goto error_exit;
error_exit:
errno = -res;
return NULL;