qbtsafe.h
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qbtsafe.h
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	/*
	* Copyright (C) 2010 Red Hat, Inc.
	*
	* Author: Angus Salkeld <asalkeld@redhat.com>
	*
	* This file is part of libqb.
	*
	* libqb 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, either version 2.1 of the License, or
	* (at your option) any later version.
	*
	* libqb 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 libqb. If not, see <http://www.gnu.org/licenses/>.
	*/

	#ifndef QB_TSAFE_H_DEFINED
	#define QB_TSAFE_H_DEFINED

	/**
	* Initialize the thread safe checker.
	*
	* It will make a read-only copy of your environ array
	* and (if tsafe is on) use this copy for getenv() calls.
	* @param envp your environment (as passed into main())
	*/
	extern void qb_tsafe_init (char **envp);

	/**
	* turn on the thread safe checker.
	*
	* It will assert() on any call to a thread unsafe system call
	* as defined in pthread(5)
	*/
	extern void qb_tsafe_on (void);

	/**
	* turn off the thread safe checker.
	*
	* It is fine to do this if you have only one thread.
	*/
	extern void qb_tsafe_off (void);

	#endif /* QB_TSAFE_H_DEFINED */