Fix: tls-compat with hidden ring buffer context

[lttng-ust.git] / liblttng-ust / getenv.h

diff --git a/liblttng-ust/getenv.h b/liblttng-ust/getenv.h
index 14d70506a388f9acff1ae600245d4d7f451fee13..a5dffb24dc324fe5b08d7ce97d46a92f980abd84 100644 (file)
--- a/liblttng-ust/getenv.h
+++ b/liblttng-ust/getenv.h
@@ -1,35 +1,25 @@
-#ifndef _COMPAT_GETENV_H
-#define _COMPAT_GETENV_H
-
 /*
- * Copyright (C) 2015 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; only
- * version 2.1 of the License.
+ * SPDX-License-Identifier: LGPL-2.1-only
  *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ * Copyright (C) 2015 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  */
 
+#ifndef _COMPAT_GETENV_H
+#define _COMPAT_GETENV_H
+
 /*
- * Always add the lttng-ust environment variables to lttng_getenv()
- * infrastructure rather than using getenv() directly from lttng-ust.
- * This ensures that we don't trigger races between getenv() invoked by
- * lttng-ust listener threads invoked concurrently with setenv() called
- * by an otherwise single-threaded application thread. (the application
- * is not aware that it runs with lttng-ust)
+ * Always add the lttng-ust environment variables using the lttng_ust_getenv()
+ * infrastructure rather than using getenv() directly.  This ensures that we
+ * don't trigger races between getenv() invoked by lttng-ust listener threads
+ * invoked concurrently with setenv() called by an otherwise single-threaded
+ * application thread. (the application is not aware that it runs with
+ * lttng-ust)
  */
 
-char *lttng_getenv(const char *name);
+__attribute__((visibility("hidden")))
+char *lttng_ust_getenv(const char *name);
 
+__attribute__((visibility("hidden")))
 void lttng_ust_getenv_init(void);
 
 #endif /* _COMPAT_GETENV_H */