app->pid = pid;
app->sock = sock;
- /* Flag it invalid until assignation. */
- app->ust_app_sock = -1;
lttng_ht_node_init_ulong(&app->node, (unsigned long) app->sock->fd);
error:
rcu_read_unlock();
}
-/*
- * Attach a given JUL application to an UST app object. This is done by copying
- * the socket fd value into the ust app obj. atomically.
- */
-void jul_attach_app(struct jul_app *japp)
-{
- struct ust_app *uapp;
-
- assert(japp);
-
- rcu_read_lock();
- uapp = ust_app_find_by_pid(japp->pid);
- if (!uapp) {
- goto end;
- }
-
- uatomic_set(&uapp->jul_app_sock, japp->sock->fd);
-
- DBG3("JUL app pid: %d, sock: %d attached to UST app.", japp->pid,
- japp->sock->fd);
-
-end:
- rcu_read_unlock();
- return;
-}
-
-/*
- * Remove JUL app. reference from an UST app object and set it to NULL.
- */
-void jul_detach_app(struct jul_app *japp)
-{
- struct ust_app *uapp;
-
- assert(japp);
-
- rcu_read_lock();
-
- if (japp->ust_app_sock < 0) {
- goto end;
- }
-
- uapp = ust_app_find_by_sock(japp->ust_app_sock);
- if (!uapp) {
- goto end;
- }
-
- uapp->jul_app_sock = -1;
-
-end:
- rcu_read_unlock();
- return;
-}
-
/*
* Delete JUL application from the global hash table.
*/