*/
#define _LGPL_SOURCE
-#include <limits.h>
+#include <dirent.h>
#include <inttypes.h>
+#include <limits.h>
+#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
-#include <urcu.h>
-#include <dirent.h>
#include <sys/types.h>
-#include <pthread.h>
+#include <urcu.h>
#include <common/common.hpp>
-#include <common/utils.hpp>
-#include <common/trace-chunk.hpp>
#include <common/sessiond-comm/sessiond-comm.hpp>
-#include <lttng/location-internal.hpp>
+#include <common/trace-chunk.hpp>
+#include <common/urcu.hpp>
+#include <common/utils.hpp>
+
#include "lttng-sessiond.hpp"
-#include "kernel.hpp"
+#include <lttng/location-internal.hpp>
+#include "cmd.hpp"
+#include "kernel.hpp"
#include "session.hpp"
-#include "utils.hpp"
-#include "trace-ust.hpp"
#include "timer.hpp"
-#include "cmd.hpp"
+#include "trace-ust.hpp"
+#include "utils.hpp"
namespace {
struct ltt_session_destroy_notifier_element {
void *user_data;
};
+namespace ls = lttng::sessiond;
+
/*
* NOTES:
*
rcu_read_unlock();
return found;
}
+
+void ls::details::locked_session_release(ltt_session *session)
+{
+ session_unlock(session);
+ session_put(session);
+}
+
+ltt_session::locked_ptr ls::find_locked_session_by_id(ltt_session::id_t id)
+{
+ lttng::urcu::read_lock_guard rcu_lock;
+ auto session = session_find_by_id(id);
+
+ if (!session) {
+ return nullptr;
+ }
+
+ /*
+ * The pointer falling out of scope will unlock and release the reference to the
+ * session.
+ */
+ session_lock(session);
+ return ltt_session::locked_ptr(session);
+}
+
+ltt_session::sptr ls::find_session_by_id(ltt_session::id_t id)
+{
+ lttng::urcu::read_lock_guard rcu_lock;
+ auto session = session_find_by_id(id);
+
+ if (!session) {
+ return nullptr;
+ }
+
+ return {session, session_put};
+}