#include <urcu/list.h>
+#include <common/hashtable/hashtable.h>
+
+#include "snapshot.h"
#include "trace-kernel.h"
-#include "trace-ust.h"
+
+struct ltt_ust_session;
/*
* Tracing session list
* Session unique ID generator. The session list lock MUST be
* upon update and read of this counter.
*/
- unsigned int next_uuid;
+ uint64_t next_uuid;
/* Linked list head */
struct cds_list_head head;
*/
struct ltt_session {
char name[NAME_MAX];
- char path[PATH_MAX];
struct ltt_kernel_session *kernel_session;
struct ltt_ust_session *ust_session;
/*
pthread_mutex_t lock;
struct cds_list_head list;
int enabled; /* enabled/started flag */
- unsigned int id; /* session unique identifier */
+ uint64_t id; /* session unique identifier */
/* UID/GID of the user owning the session */
uid_t uid;
gid_t gid;
/* Did a start command occured before the kern/ust session creation? */
unsigned int started;
+
+ /* Snapshot representation in a session. */
+ struct snapshot snapshot;
+ /* Indicate if the session has to output the traces or not. */
+ unsigned int output_traces;
+ /*
+ * This session is in snapshot mode. This means that every channel enabled
+ * will be set in overwrite mode and mmap. It is considered exclusively for
+ * snapshot purposes.
+ */
+ unsigned int snapshot_mode;
};
/* Prototypes */
-int session_create(char *name, char *path, uid_t uid, gid_t gid);
+int session_create(char *name, uid_t uid, gid_t gid);
int session_destroy(struct ltt_session *session);
void session_lock(struct ltt_session *session);