Move the getcpu plugin implementation to liblttn-ust-common

[lttng-ust.git] / src / lib / lttng-ust-common / ust-common.c

/*
 * SPDX-License-Identifier: LGPL-2.1-only
 *
 * Copyright (C) 2021 Michael Jeanson <mjeanson@efficios.com>
 */

#include <lttng/ust-common.h>

#include "common/logging.h"
#include "common/ust-fd.h"
#include "common/getenv.h"

#include "lib/lttng-ust-common/fd-tracker.h"
#include "lib/lttng-ust-common/clock.h"
#include "lib/lttng-ust-common/getcpu.h"

/*
 * The liblttng-ust-common constructor, initialize the internal shared state.
 * Libraries linking on liblttng-ust-common should also call this early in
 * their constructor since there is no reliable way to guarantee the execution
 * order of constructors across shared library.
 */
void lttng_ust_common_ctor(void)
{
	/*
	 * Initialize the shared state of the fd tracker.
	 */
	lttng_ust_fd_tracker_init();

	/*
	 * Initialize the potential user-provided clock plugin.
	 */
	lttng_ust_clock_init();

	/*
	 * Initialize the potential user-provided getcpu plugin.
	 */
	lttng_ust_getcpu_plugin_init();
}

void lttng_ust_common_alloc_tls(void)
{
	lttng_ust_fd_tracker_alloc_tls();
}