src/lib/lttng-ust-common/ust-common.c

   1 /*
   2  * SPDX-License-Identifier: LGPL-2.1-only
   3  *
   4  * Copyright (C) 2021 Michael Jeanson <mjeanson@efficios.com>
   5  */
   6
   7 #include <lttng/ust-common.h>
   8
   9 #include "common/logging.h"
  10 #include "common/ust-fd.h"
  11 #include "common/getenv.h"
  12
  13 #include "lib/lttng-ust-common/fd-tracker.h"
  14 #include "lib/lttng-ust-common/clock.h"
  15 #include "lib/lttng-ust-common/getcpu.h"
  16
  17 /*
  18  * The liblttng-ust-common constructor, initialize the internal shared state.
  19  * Libraries linking on liblttng-ust-common should also call this early in
  20  * their constructor since there is no reliable way to guarantee the execution
  21  * order of constructors across shared library.
  22  */
  23 void lttng_ust_common_ctor(void)
  24 {
  25         /*
  26          * Initialize the shared state of the fd tracker.
  27          */
  28         lttng_ust_fd_tracker_init();
  29
  30         /*
  31          * Initialize the potential user-provided clock plugin.
  32          */
  33         lttng_ust_clock_init();
  34
  35         /*
  36          * Initialize the potential user-provided getcpu plugin.
  37          */
  38         lttng_ust_getcpu_plugin_init();
  39 }
  40
  41 void lttng_ust_common_alloc_tls(void)
  42 {
  43         lttng_ust_fd_tracker_alloc_tls();
  44 }