#ifndef _TRACEABLE_APP_H
#define _TRACEABLE_APP_H
-/* Traceable application list */
+#include <stdint.h>
+#include <urcu/list.h>
+
+/*
+ * Application registration data structure.
+ */
+struct ust_register_msg {
+ uint32_t major;
+ uint32_t minor;
+ pid_t pid;
+ pid_t ppid;
+ uid_t uid;
+ gid_t gid;
+ char name[16];
+};
+
+/*
+ * Traceable application list.
+ */
struct ltt_traceable_app_list {
+ /*
+ * This lock protects any read/write access to the list and count (which is
+ * basically the list size). All public functions in traceable-app.c
+ * acquire this lock and release it before returning. If none of those
+ * functions are used, the lock MUST be acquired in order to iterate or/and
+ * do any actions on that list.
+ */
+ pthread_mutex_t lock;
+
+ /*
+ * Number of element in the list. The session list lock MUST be acquired if
+ * this counter is used when iterating over the session list.
+ */
+ unsigned int count;
+
+ /* Linked list head */
struct cds_list_head head;
};
-/* Registered traceable applications. Libust registers
- * to the session daemon and a linked list is kept
- * of all running traceable app.
+/* Registered traceable applications. Libust registers to the session daemon
+ * and a linked list is kept of all running traceable app.
*/
struct ltt_traceable_app {
- struct cds_list_head list;
+ int sock; /* Communication socket with the application */
pid_t pid;
- uid_t uid; /* User ID that owns the apps */
+ pid_t ppid;
+ uid_t uid; /* User ID that owns the apps */
+ gid_t gid; /* Group ID that owns the apps */
+ uint32_t v_major; /* Verion major number */
+ uint32_t v_minor; /* Verion minor number */
+ char name[17]; /* Process name (short) */
+ struct cds_list_head list;
};
-struct ltt_traceable_app *find_app_by_pid(pid_t pid);
-int register_traceable_app(pid_t pid, uid_t uid);
-void unregister_traceable_app(pid_t pid);
-void get_app_list_pids(pid_t *pids);
+int register_traceable_app(struct ust_register_msg *msg, int sock);
+void unregister_traceable_app(int sock);
unsigned int get_app_count(void);
+void lock_apps_list(void);
+void unlock_apps_list(void);
+void clean_traceable_apps_list(void);
+struct ltt_traceable_app_list *get_traceable_apps_list(void);
+
#endif /* _TRACEABLE_APP_H */