mirrors/pipewire
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pipewire/pipewire.git synced 2025-11-03 09:01:54 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

remote-node: safely activate and deactivate a link

Browse source 
Make sure we execute the admin of the target links in the data
thread.
This commit is contained in:
Wim Taymans 2020-02-04 16:29:48 +01:00
parent 8abbf653e6
commit dcec3f12b5
1 changed files with 33 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

42
src/modules/module-client-node/remote-node.c
View file

@ -61,13 +61,6 @@ struct mix {
bool active;
};
struct link {
uint32_t node_id;
struct pw_memmap *map;
struct pw_node_target target;
int signalfd;
};
struct node_data {
struct pw_context *context;
@ -98,6 +91,14 @@ struct node_data {
struct pw_array links;
};
struct link {
struct node_data *data;
struct pw_memmap *map;
struct pw_node_target target;
uint32_t node_id;
int signalfd;
};
/** \endcond */
static struct link *find_activation(struct pw_array *links, uint32_t node_id)
@ -111,13 +112,23 @@ static struct link *find_activation(struct pw_array *links, uint32_t node_id)
return NULL;
}
static int
do_deactivate_link(struct spa_loop *loop,
bool async, uint32_t seq, const void *data, size_t size, void *user_data)
{
struct link *link = user_data;
spa_list_remove(&link->target.link);
return 0;
}
static void clear_link(struct node_data *data, struct link *link)
{
pw_loop_invoke(data->context->data_loop,
do_deactivate_link, SPA_ID_INVALID, NULL, 0, true, link);
link->node_id = SPA_ID_INVALID;
link->target.activation = NULL;
pw_memmap_free(link->map);
close(link->signalfd);
spa_list_remove(&link->target.link);
}
static void clean_transport(struct node_data *data)
@ -798,6 +809,16 @@ static int link_signal_func(void *user_data)
return 0;
}
static int
do_activate_link(struct spa_loop *loop,
bool async, uint32_t seq, const void *data, size_t size, void *user_data)
{
struct link *link = user_data;
struct node_data *d = link->data;
spa_list_append(&d->node->rt.target_list, &link->target.link);
return 0;
}
static int
client_node_set_activation(void *object,
uint32_t node_id,
@ -843,6 +864,7 @@ client_node_set_activation(void *object,
res = -errno;
goto error_exit;
}
link->data = data;
link->node_id = node_id;
link->map = mm;
link->target.activation = ptr;
@ -850,7 +872,9 @@ client_node_set_activation(void *object,
link->target.signal = link_signal_func;
link->target.data = link;
link->target.node = NULL;
spa_list_append(&node->rt.target_list, &link->target.link);
pw_loop_invoke(data->context->data_loop,
do_activate_link, SPA_ID_INVALID, NULL, 0, false, link);
pw_log_debug("node %p: link %p: fd:%d id:%u state %p required %d, pending %d",
node, link, signalfd,