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. Neither the name of the author nor the names of any co-contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * $FreeBSD: head/lib/libc/include/libc_private.h 213153 2010-09-25 01:57:47Z davidxu $
31 * Private definitions for libc, libc_r and libpthread.
35 #ifndef _LIBC_PRIVATE_H_
36 #define _LIBC_PRIVATE_H_
39 * This global flag is non-zero when a process has created one
40 * or more threads. It is used to avoid calling locking functions
41 * when they are not required.
43 extern int __isthreaded;
46 * File lock contention is difficult to diagnose without knowing
47 * where locks were set. Allow a debug library to be built which
48 * records the source file and line number of each lock call.
51 #define _FLOCKFILE(x) _flockfile_debug(x, __FILE__, __LINE__)
53 #define _FLOCKFILE(x) _flockfile(x)
57 * Macros for locking and unlocking FILEs. These test if the
58 * process is threaded to avoid locking when not required.
60 #define FLOCKFILE(fp) if (__isthreaded) _FLOCKFILE(fp)
61 #define FUNLOCKFILE(fp) if (__isthreaded) _funlockfile(fp)
64 * Initialise TLS static programs
66 int __get_errno_GS_offset(void);
67 void *__get_errno_GOT_ptr(void);
73 * yplib internal interfaces
76 int _yp_check(char **);
80 * This is a pointer in the C run-time startup code. It is used
81 * by getprogname() and setprogname().
83 extern const char *__progname;
86 * Function to clean up streams, called from abort() and exit().
88 extern void (*__cleanup)(void);
90 /* execve() with PATH processing to implement posix_spawnp() */
91 int _execvpe(const char *, char * const *, char * const *);
92 void _nmalloc_thr_init(void);
95 int __elf_phdr_match_addr(struct dl_phdr_info *, void *);
97 #endif /* _LIBC_PRIVATE_H_ */