libc.h revision 1219:f89f56c2d9ac 
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22
23/*
24 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
25 * Use is subject to license terms.
26 */
27
28/*
29 * This is where all the interfaces that are internal to libc
30 * which do not have a better home live
31 */
32
33#ifndef _LIBC_H
34#define	_LIBC_H
35
36#pragma ident	"%Z%%M%	%I%	%E% SMI"
37
38#include <thread.h>
39#include <stdio.h>
40#include <sys/dirent.h>
41#include <ucontext.h>
42#include <nsswitch.h>
43#include <stddef.h>
44#include <poll.h>
45#include <sys/dl.h>
46#include <sys/door.h>
47#include <sys/ieeefp.h>
48#include <sys/mount.h>
49#include <floatingpoint.h>
50#include <nl_types.h>
51#include <regex.h>
52#include <stdarg.h>
53#include <wchar.h>
54#include <wctype.h>
55
56#ifdef	__cplusplus
57extern "C" {
58#endif
59
60extern void __set_panicstr(const char *);
61extern void _rewind_unlocked(FILE *);
62extern int _rename(const char *, const char *);
63extern long _sysconfig(int);
64extern int kill(pid_t pid, int sig);
65
66extern int primary_link_map;
67extern int thr_main(void);
68extern int thr_kill(thread_t tid, int sig);
69extern thread_t thr_self(void);
70extern int mutex_lock(mutex_t *mp);
71extern int mutex_unlock(mutex_t *mp);
72extern int fork_lock_enter(const char *);
73extern void fork_lock_exit(void);
74extern void *lmalloc(size_t);
75extern void lfree(void *, size_t);
76extern void *libc_malloc(size_t);
77extern void *libc_realloc(void *, size_t);
78extern void libc_free(void *);
79extern char *libc_strdup(const char *);
80extern int _sigwait(sigset_t *);
81extern int _thr_getspecific(thread_key_t key, void **valuep);
82extern int _thr_setspecific(unsigned int key, void *value);
83extern int _thr_keycreate(thread_key_t *pkey, void (*destructor)(void *));
84extern void *_pthread_getspecific(thread_key_t);
85extern int _pollsys(struct pollfd *, nfds_t, const timespec_t *,
86	const sigset_t *);
87extern void _private_testcancel(void);
88
89#if !defined(_LP64)
90/*
91 * getdents64 transitional interface is intentionally internal to libc
92 */
93extern int getdents64(int, struct dirent64 *, size_t);
94#endif
95
96extern int _scrwidth(wchar_t);
97
98extern int64_t __div64(int64_t, int64_t);
99extern int64_t __rem64(int64_t, int64_t);
100extern uint64_t __udiv64(uint64_t, uint64_t);
101extern uint64_t __urem64(uint64_t, uint64_t);
102extern int64_t __mul64(int64_t, int64_t);
103extern uint64_t __umul64(uint64_t, uint64_t);
104
105
106/*
107 * Rounding direction functions
108 */
109#if defined(__i386) || defined(__amd64)
110extern enum fp_direction_type __xgetRD(void);
111#elif defined(__sparc)
112extern enum fp_direction_type _QgetRD(void);
113#else
114#error Unknown architecture!
115#endif
116
117
118/*
119 * defined in hex_bin.c
120 */
121extern void __hex_to_single(decimal_record *, enum fp_direction_type,
122	single *, fp_exception_field_type *);
123extern void __hex_to_double(decimal_record *, enum fp_direction_type,
124	double *, fp_exception_field_type *);
125#if defined(__sparc)
126extern void __hex_to_quadruple(decimal_record *, enum fp_direction_type,
127	quadruple *, fp_exception_field_type *);
128#elif defined(__i386) || defined(__amd64)
129extern void __hex_to_extended(decimal_record *, enum fp_direction_type,
130	extended *, fp_exception_field_type *);
131#else
132#error Unknown architecture
133#endif
134
135/*
136 * defined in ctime.c
137 */
138extern char	*__posix_asctime_r(const struct tm *, char *);
139
140/*
141 * Internal routine from fsync.c
142 */
143extern int __fdsync(int, int);	/* 2nd arg may be wrong in 64bit mode */
144
145/*
146 * Internal routine from _xregs_clrptr.c
147 */
148extern void _xregs_clrptr(ucontext_t *);
149
150/*
151 * Internal routine from nfssys.c
152 */
153extern int _nfssys(int, void *); /* int in 64bit mode ???, void * ??? */
154
155/*
156 * Internal routine from psetsys.c
157 */
158extern int _pset(int, ...); /* int in 64bit mode ??? */
159
160/*
161 * defined in sigpending.s
162 */
163extern int __sigfillset(sigset_t *);
164
165/*
166 * defined in sparc/fp/_Q_set_except.c and i386/fp/exception.c
167 */
168extern int _Q_set_exception(unsigned int);
169
170/*
171 * defined in nsparse.c
172 */
173extern struct __nsw_switchconfig *_nsw_getoneconfig(const char *name,
174	char *linep, enum __nsw_parse_err *);
175extern struct __nsw_switchconfig_v1 *_nsw_getoneconfig_v1(const char *name,
176	char *linep, enum __nsw_parse_err *);
177
178/*
179 * Internal routine from getusershell.c
180 */
181extern char *getusershell(void);
182
183/*
184 * defined in _sigaction.s
185 */
186extern int __sigaction(int, const struct sigaction *, struct sigaction *);
187
188/*
189 * defined in _getsp.s
190 */
191extern greg_t _getsp(void);
192
193/*
194 * defined in _so_setsockopt.s
195 */
196extern int _so_setsockopt(int, int, int, const char *, int);
197
198/*
199 * defined in _so_getsockopt.s
200 */
201extern int _so_getsockopt(int, int, int, char *, int *);
202
203/*
204 * defined in lsign.s
205 */
206extern int lsign(dl_t);
207
208/*
209 * defined in ucontext.s
210 * __getcontext() is exported by libc
211 * __getcontext_syscall() is private to libc
212 * otherwise they are the same function
213 */
214extern int __getcontext(ucontext_t *);
215extern int __getcontext_syscall(ucontext_t *);
216
217/*
218 * defined in door.s
219 */
220extern int __door_info(int, door_info_t *);
221extern int __door_call(int, door_arg_t *);
222
223/*
224 * defined in _portfs.s
225 */
226extern int64_t _portfs(int, uintptr_t, uintptr_t, uintptr_t, uintptr_t,
227    uintptr_t);
228
229/*
230 * defined in xpg4.c
231 */
232extern int __xpg4;
233
234/*
235 * i18n prototypes - strong symbols (weak symbols are in libintl.h)
236 */
237extern char *_textdomain(const char *);
238extern char *_bindtextdomain(const char *, const char *);
239extern char *_dcgettext(const char *, const char *, const int);
240extern char *_dgettext(const char *, const char *);
241extern char *_gettext(const char *);
242extern int _fnmatch(const char *, const char *, int);
243
244
245/*
246 * defined in port/stdio/doscan.c
247 */
248extern int _doscan(FILE *, const char *, va_list);
249extern int __doscan_u(FILE *, const char *, va_list, int);
250extern int __wdoscan_u(FILE *, const wchar_t *, va_list, int);
251
252#ifndef _LP64
253/* Flag for _ndoprnt() and _doscan_u() */
254#define	_F_INTMAX32	0x1	/* if set read 4 bytes for u/intmax %j */
255extern int _fprintf_c89(FILE *, const char *, ...);
256extern int _printf_c89(const char *, ...);
257extern int _snprintf_c89(char *, size_t, const char *, ...);
258extern int _sprintf_c89(char *, const char *, ...);
259extern int _wprintf_c89(const wchar_t *, ...);
260extern int _fwprintf_c89(FILE *, const wchar_t *, ...);
261extern int _swprintf_c89(wchar_t *, size_t, const wchar_t *, ...);
262extern int _vfprintf_c89(FILE *, const char *, va_list);
263extern int _vprintf_c89(const char *, va_list);
264extern int _vsnprintf_c89(char *, size_t, const char *, va_list);
265extern int _vsprintf_c89(char *, const char *, va_list);
266extern int _vwprintf_c89(const wchar_t *, va_list);
267extern int _vfwprintf_c89(FILE *, const wchar_t *, va_list);
268extern int _vswprintf_c89(wchar_t *, size_t, const wchar_t *, va_list);
269extern int _scanf_c89(const char *, ...);
270extern int _fscanf_c89(FILE *, const char *, ...);
271extern int _sscanf_c89(const char *, const char *, ...);
272extern int _vscanf_c89(const char *, va_list);
273extern int _vfscanf_c89(FILE *, const char *, va_list);
274extern int _vsscanf_c89(const char *, const char *, va_list);
275extern int _vwscanf_c89(const wchar_t *, va_list);
276extern int _vfwscanf_c89(FILE *, const wchar_t *, va_list);
277extern int _vswscanf_c89(const wchar_t *, const wchar_t *, va_list);
278extern int _wscanf_c89(const wchar_t *, ...);
279extern int _fwscanf_c89(FILE *, const wchar_t *, ...);
280extern int _swscanf_c89(const wchar_t *, const wchar_t *, ...);
281#endif	/*	_LP64	*/
282
283/*
284 * defined in port/stdio/popen.c
285 */
286extern int _insert(pid_t pid, int fd);
287extern pid_t _delete(int fd);
288
289/*
290 * defined in port/print/doprnt.c
291 */
292extern ssize_t	_wdoprnt(const wchar_t *, va_list, FILE *);
293
294/*
295 * defined in fgetwc.c
296 */
297extern wint_t _fgetwc_unlocked(FILE *);
298extern wint_t __getwc_xpg5(FILE *);
299extern wint_t __fgetwc_xpg5(FILE *);
300extern wint_t _getwc(FILE *);
301
302/*
303 * defined in fputwc.c
304 */
305extern wint_t __putwc_xpg5(wint_t, FILE *);
306extern wint_t _putwc(wint_t, FILE *);
307
308/*
309 * defined in ungetwc.c
310 */
311extern wint_t	__ungetwc_xpg5(wint_t, FILE *);
312
313/*
314 * defined in wscmp.c
315 */
316extern int	_wcscmp(const wchar_t *, const wchar_t *);
317
318/*
319 * defined in wslen.c
320 */
321extern size_t	_wcslen(const wchar_t *);
322
323/*
324 * defined in wscpy.c
325 */
326extern wchar_t	*_wcscpy(wchar_t *, const wchar_t *);
327
328/*
329 * misc synonyms
330 */
331extern int _wctomb(char *, wchar_t);
332extern wint_t _towlower(wint_t);
333extern int _doscan(FILE *, const char *, va_list);
334extern int _wcscoll(const wchar_t *, const wchar_t *);
335extern size_t _wcsxfrm(wchar_t *, const wchar_t *, size_t);
336extern wint_t _fputwc(wint_t, FILE *);
337extern pid_t waitpid_cancel(pid_t, int *, int);
338#ifdef	__cplusplus
339}
340#endif
341
342#endif /* _LIBC_H */
343