#ifndef _COMPAT_GETENV_H #define _COMPAT_GETENV_H /* * Copyright (C) 2015 - Mathieu Desnoyers * * 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. * * 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 */ /* * 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) */ char *lttng_getenv(const char *name); void lttng_ust_getenv_init(void); #endif /* _COMPAT_GETENV_H */