2 * Copyright (c) 1998 John Birrell <jb@cimlogic.com.au>.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by John Birrell.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * $FreeBSD: src/lib/libc/include/libc_private.h,v 1.3 1999/08/27 23:59:47 peter Exp $
34 * Private definitions for libc, libc_r and libpthread.
38 #ifndef _LIBC_PRIVATE_H_
39 #define _LIBC_PRIVATE_H_
42 * This global flag is non-zero when a process has created one
43 * or more threads. It is used to avoid calling locking functions
44 * when they are not required.
46 extern int __isthreaded;
49 * File lock contention is difficult to diagnose without knowing
50 * where locks were set. Allow a debug library to be built which
51 * records the source file and line number of each lock call.
54 #define _FLOCKFILE(x) _flockfile_debug(x, __FILE__, __LINE__)
56 #define _FLOCKFILE(x) _flockfile(x)
60 * Macros for locking and unlocking FILEs. These test if the
61 * process is threaded to avoid locking when not required.
63 #define FLOCKFILE(fp) if (__isthreaded) _FLOCKFILE(fp)
64 #define FUNLOCKFILE(fp) if (__isthreaded) _funlockfile(fp)
67 * Initialise TLS static programs
69 int __get_errno_GS_offset(void);
70 void *__get_errno_GOT_ptr(void);
76 * yplib internal interfaces
79 int _yp_check(char **);
83 * This is a pointer in the C run-time startup code. It is used
84 * by getprogname() and setprogname().
86 extern const char *__progname;
89 * Function to clean up streams, called from abort() and exit().
91 extern void (*__cleanup)(void);
93 /* execve() with PATH processing to implement posix_spawnp() */
94 int _execvpe(const char *, char * const *, char * const *);
95 void _nmalloc_thr_init(void);
97 #endif /* _LIBC_PRIVATE_H_ */