ltt-sessiond/ltt-sessiond.h

   1 /* Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
   2  *
   3  * This program is free software; you can redistribute it and/or
   4  * modify it under the terms of the GNU General Public License
   5  * as published by the Free Software Foundation; either version 2
   6  * of the License, or (at your option) any later version.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program; if not, write to the Free Software
  15  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  16  */
  17
  18 #ifndef _LTT_SESSIOND_H
  19 #define _LTT_SESSIOND_H
  20
  21 #define DEFAULT_HOME_DIR                        "/tmp"
  22 #define DEFAULT_UST_SOCK_DIR            "/tmp/ust-app-socks"
  23 #define DEFAULT_GLOBAL_APPS_PIPE        "/tmp/ust-app-socks/global"
  24
  25 extern const char default_home_dir[],
  26         default_tracing_group[],
  27         default_ust_sock_dir[],
  28         default_global_apps_pipe[];
  29
  30 /* LTTng trace representation */
  31 struct ltt_lttng_trace {
  32         struct cds_list_head list;
  33         char trace_name[NAME_MAX];
  34         struct cds_list_head marker_list;
  35 };
  36
  37 /* UST trace representation */
  38 struct ltt_ust_trace {
  39         struct cds_list_head list;
  40         int shmid;
  41         pid_t pid;
  42         struct cds_list_head markers;
  43 };
  44
  45 struct ltt_ust_marker {
  46         struct cds_list_head list;
  47         char *name;
  48         char *channel;
  49 };
  50
  51 /* Traceable application list */
  52 struct ltt_traceable_app_list {
  53         struct cds_list_head head;
  54 };
  55
  56 /*
  57  * Registered traceable applications. Libust registers
  58  * to the session daemon and a linked list is kept
  59  * of all running traceable app.
  60  */
  61 struct ltt_traceable_app {
  62         struct cds_list_head list;
  63         pid_t pid;
  64         uid_t uid;              /* User ID that owns the apps */
  65 };
  66
  67 #endif /* _LTT_SESSIOND_H */