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/*
* Copyright (c) 1998 John Birrell <jb@cimlogic.com.au>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by John Birrell.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD: src/lib/libc/include/libc_private.h,v 1.5 2002/03/29 22:43:42 markm Exp $
*
* Private definitions for libc, libc_r and libpthread.
*
*/
#ifndef _LIBC_PRIVATE_H_
#define _LIBC_PRIVATE_H_
/*
* This global flag is non-zero when a process has created one
* or more threads. It is used to avoid calling locking functions
* when they are not required.
*/
extern int __isthreaded;
/*
* File lock contention is difficult to diagnose without knowing
* where locks were set. Allow a debug library to be built which
* records the source file and line number of each lock call.
*/
#ifdef _FLOCK_DEBUG
#define _FLOCKFILE(x) _flockfile_debug(x, __FILE__, __LINE__)
#else
#define _FLOCKFILE(x) _flockfile(x)
#endif
/*
* Macros for locking and unlocking FILEs. These test if the
* process is threaded to avoid locking when not required.
*/
#define FLOCKFILE(fp) if (__isthreaded) _FLOCKFILE(fp)
#define FUNLOCKFILE(fp) if (__isthreaded) _funlockfile(fp)
/*
* This is a pointer in the C run-time startup code. It is used
* by getprogname() and setprogname().
*/
extern const char *__progname;
#endif /* _LIBC_PRIVATE_H_ */
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