4d5e56a66d9763153eb1afb1440ce513abfe34d8
2 * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; only version 2
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 #ifndef _TRACEABLE_APP_H
20 #define _TRACEABLE_APP_H
23 #include <urcu/list.h>
26 * Application registration data structure.
28 struct ust_register_msg
{
39 * Traceable application list.
41 struct ltt_traceable_app_list
{
43 * This lock protects any read/write access to the list and count (which is
44 * basically the list size). All public functions in traceable-app.c
45 * acquire this lock and release it before returning. If none of those
46 * functions are used, the lock MUST be acquired in order to iterate or/and
47 * do any actions on that list.
52 * Number of element in the list. The session list lock MUST be acquired if
53 * this counter is used when iterating over the session list.
57 /* Linked list head */
58 struct cds_list_head head
;
61 /* Registered traceable applications. Libust registers to the session daemon
62 * and a linked list is kept of all running traceable app.
64 struct ltt_traceable_app
{
65 int sock
; /* Communication socket with the application */
68 uid_t uid
; /* User ID that owns the apps */
69 gid_t gid
; /* Group ID that owns the apps */
70 uint32_t v_major
; /* Verion major number */
71 uint32_t v_minor
; /* Verion minor number */
72 char name
[17]; /* Process name (short) */
73 struct cds_list_head list
;
76 int register_traceable_app(struct ust_register_msg
*msg
, int sock
);
77 void unregister_traceable_app(int sock
);
78 unsigned int get_app_count(void);
80 void lock_apps_list(void);
81 void unlock_apps_list(void);
82 void clean_traceable_apps_list(void);
83 struct ltt_traceable_app_list
*get_traceable_apps_list(void);
85 #endif /* _TRACEABLE_APP_H */
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