getenv: make getenv helper init state mt-safe
[lttng-ust.git] / src / common / logging.c
... / ...
CommitLineData
1/*
2 * SPDX-License-Identifier: LGPL-2.1-only
3 *
4 * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
5 */
6
7#include "common/logging.h"
8
9volatile enum lttng_ust_log_level lttng_ust_log_level;
10
11void lttng_ust_logging_init(void)
12{
13 char *lttng_ust_debug;
14
15 if (lttng_ust_log_level == LTTNG_UST_LOG_LEVEL_UNKNOWN) {
16 /*
17 * This getenv is not part of lttng_ust_getenv() because it
18 * is required to print ERR() performed during getenv
19 * initialization.
20 */
21 lttng_ust_debug = getenv("LTTNG_UST_DEBUG");
22 if (lttng_ust_debug)
23 lttng_ust_log_level = LTTNG_UST_LOG_LEVEL_DEBUG;
24 else
25 lttng_ust_log_level = LTTNG_UST_LOG_LEVEL_NORMAL;
26 }
27}
This page took 0.022973 seconds and 4 git commands to generate.