src/bin/lttng-sessiond/globals.c

   1 /*
   2  * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
   3  *                      Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   4  *               2013 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License, version 2 only,
   8  * as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  */
  19
  20 #include "lttng-sessiond.h"
  21 #include <common/compat/uuid.h>
  22
  23 lttng_uuid sessiond_uuid;
  24
  25 int ust_consumerd64_fd = -1;
  26 int ust_consumerd32_fd = -1;
  27
  28 long page_size;
  29
  30 struct health_app *health_sessiond;
  31
  32 struct notification_thread_handle *notification_thread_handle;
  33
  34 struct lttng_ht *agent_apps_ht_by_sock = NULL;
  35
  36 struct lttng_kernel_tracer_version kernel_tracer_version;
  37 struct lttng_kernel_tracer_abi_version kernel_tracer_abi_version;
  38
  39 int kernel_poll_pipe[2] = { -1, -1 };
  40
  41 pid_t ppid;
  42 pid_t child_ppid;
  43
  44 struct sessiond_config config;
  45
  46 struct consumer_data kconsumer_data = {
  47         .type = LTTNG_CONSUMER_KERNEL,
  48         .err_sock = -1,
  49         .cmd_sock = -1,
  50         .channel_monitor_pipe = -1,
  51         .pid_mutex = PTHREAD_MUTEX_INITIALIZER,
  52         .lock = PTHREAD_MUTEX_INITIALIZER,
  53 };
  54
  55 struct consumer_data ustconsumer64_data = {
  56         .type = LTTNG_CONSUMER64_UST,
  57         .err_sock = -1,
  58         .cmd_sock = -1,
  59         .channel_monitor_pipe = -1,
  60         .pid_mutex = PTHREAD_MUTEX_INITIALIZER,
  61         .lock = PTHREAD_MUTEX_INITIALIZER,
  62 };
  63
  64 struct consumer_data ustconsumer32_data = {
  65         .type = LTTNG_CONSUMER32_UST,
  66         .err_sock = -1,
  67         .cmd_sock = -1,
  68         .channel_monitor_pipe = -1,
  69         .pid_mutex = PTHREAD_MUTEX_INITIALIZER,
  70         .lock = PTHREAD_MUTEX_INITIALIZER,
  71 };
  72
  73 enum consumerd_state ust_consumerd_state;
  74 enum consumerd_state kernel_consumerd_state;
  75
  76 static void __attribute__((constructor)) init_sessiond_uuid(void)
  77 {
  78         if (lttng_uuid_generate(sessiond_uuid)) {
  79                 ERR("Failed to generate a session daemon UUID");
  80                 abort();
  81         }
  82 }