xref: /titanic_51/usr/src/lib/libc/inc/libc.h (revision 15d9d0b528387242011cdcc6190c9e598cfe3a07)
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 (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*
28  * This is where all the interfaces that are internal to libc
29  * which do not have a better home live
30  */
31 
32 #ifndef _LIBC_H
33 #define	_LIBC_H
34 
35 #pragma ident	"%Z%%M%	%I%	%E% SMI"
36 
37 #include <thread.h>
38 #include <stdio.h>
39 #include <dirent.h>
40 #include <ucontext.h>
41 #include <nsswitch.h>
42 #include <stddef.h>
43 #include <poll.h>
44 #include <sys/dl.h>
45 #include <sys/door.h>
46 #include <sys/ieeefp.h>
47 #include <sys/mount.h>
48 #include <floatingpoint.h>
49 #include <nl_types.h>
50 #include <regex.h>
51 #include <stdarg.h>
52 #include <wchar.h>
53 #include <wctype.h>
54 
55 #ifdef	__cplusplus
56 extern "C" {
57 #endif
58 
59 extern void __set_panicstr(const char *);
60 extern void _rewind_unlocked(FILE *);
61 extern int _rename(const char *, const char *);
62 extern long _sysconfig(int);
63 extern int kill(pid_t pid, int sig);
64 
65 extern int primary_link_map;
66 extern int thr_main(void);
67 extern int thr_kill(thread_t tid, int sig);
68 extern thread_t thr_self(void);
69 extern int mutex_lock(mutex_t *mp);
70 extern int mutex_unlock(mutex_t *mp);
71 extern void callout_lock_enter(void);
72 extern void callout_lock_exit(void);
73 extern void *lmalloc(size_t);
74 extern void lfree(void *, size_t);
75 extern void *libc_malloc(size_t);
76 extern void *libc_realloc(void *, size_t);
77 extern void libc_free(void *);
78 extern char *libc_strdup(const char *);
79 extern int _sigwait(sigset_t *);
80 extern int _thr_getspecific(thread_key_t key, void **valuep);
81 extern int _thr_setspecific(unsigned int key, void *value);
82 extern int _thr_keycreate(thread_key_t *pkey, void (*destructor)(void *));
83 extern int _thr_keycreate_once(thread_key_t *pkey, void (*destructor)(void *));
84 extern void *_pthread_getspecific(thread_key_t);
85 extern int _pollsys(struct pollfd *, nfds_t, const timespec_t *,
86 	const sigset_t *);
87 extern void _private_testcancel(void);
88 
89 /*
90  * The private_DIR structure is the same as the DIR structure,
91  * with the addition of a mutex lock for libc's internal use.
92  */
93 typedef struct {
94 	DIR	dd_dir;
95 	mutex_t	dd_lock;
96 } private_DIR;
97 
98 #if !defined(_LP64)
99 /*
100  * getdents64 transitional interface is intentionally internal to libc
101  */
102 extern int getdents64(int, struct dirent64 *, size_t);
103 #endif
104 
105 extern int _scrwidth(wchar_t);
106 
107 extern int64_t __div64(int64_t, int64_t);
108 extern int64_t __rem64(int64_t, int64_t);
109 extern uint64_t __udiv64(uint64_t, uint64_t);
110 extern uint64_t __urem64(uint64_t, uint64_t);
111 extern int64_t __mul64(int64_t, int64_t);
112 extern uint64_t __umul64(uint64_t, uint64_t);
113 
114 
115 /*
116  * Rounding direction functions
117  */
118 #if defined(__i386) || defined(__amd64)
119 extern enum fp_direction_type __xgetRD(void);
120 #elif defined(__sparc)
121 extern enum fp_direction_type _QgetRD(void);
122 #else
123 #error Unknown architecture!
124 #endif
125 
126 
127 /*
128  * defined in hex_bin.c
129  */
130 extern void __hex_to_single(decimal_record *, enum fp_direction_type,
131 	single *, fp_exception_field_type *);
132 extern void __hex_to_double(decimal_record *, enum fp_direction_type,
133 	double *, fp_exception_field_type *);
134 #if defined(__sparc)
135 extern void __hex_to_quadruple(decimal_record *, enum fp_direction_type,
136 	quadruple *, fp_exception_field_type *);
137 #elif defined(__i386) || defined(__amd64)
138 extern void __hex_to_extended(decimal_record *, enum fp_direction_type,
139 	extended *, fp_exception_field_type *);
140 #else
141 #error Unknown architecture
142 #endif
143 
144 /*
145  * defined in ctime.c
146  */
147 extern char	*__posix_asctime_r(const struct tm *, char *);
148 
149 /*
150  * Internal routine from fsync.c
151  */
152 extern int __fdsync(int, int);	/* 2nd arg may be wrong in 64bit mode */
153 
154 /*
155  * Internal routine from _xregs_clrptr.c
156  */
157 extern void _xregs_clrptr(ucontext_t *);
158 
159 /*
160  * Internal routine from nfssys.c
161  */
162 extern int _nfssys(int, void *); /* int in 64bit mode ???, void * ??? */
163 
164 /*
165  * Internal routine from psetsys.c
166  */
167 extern int _pset(int, ...); /* int in 64bit mode ??? */
168 
169 /*
170  * defined in sigpending.s
171  */
172 extern int __sigfillset(sigset_t *);
173 
174 /*
175  * defined in sparc/fp/_Q_set_except.c and i386/fp/exception.c
176  */
177 extern int _Q_set_exception(unsigned int);
178 
179 /*
180  * defined in nsparse.c
181  */
182 extern struct __nsw_switchconfig *_nsw_getoneconfig(const char *name,
183 	char *linep, enum __nsw_parse_err *);
184 extern struct __nsw_switchconfig_v1 *_nsw_getoneconfig_v1(const char *name,
185 	char *linep, enum __nsw_parse_err *);
186 
187 /*
188  * Internal routine from getusershell.c
189  */
190 extern char *getusershell(void);
191 
192 /*
193  * defined in _sigaction.s
194  */
195 extern int __sigaction(int, const struct sigaction *, struct sigaction *);
196 
197 /*
198  * defined in _getsp.s
199  */
200 extern greg_t _getsp(void);
201 
202 /*
203  * defined in _so_setsockopt.s
204  */
205 extern int _so_setsockopt(int, int, int, const char *, int);
206 
207 /*
208  * defined in _so_getsockopt.s
209  */
210 extern int _so_getsockopt(int, int, int, char *, int *);
211 
212 /*
213  * defined in lsign.s
214  */
215 extern int lsign(dl_t);
216 
217 /*
218  * defined in ucontext.s
219  * __getcontext() is exported by libc
220  * __getcontext_syscall() is private to libc
221  * otherwise they are the same function
222  */
223 extern int __getcontext(ucontext_t *);
224 extern int __getcontext_syscall(ucontext_t *);
225 
226 /*
227  * defined in door.s
228  */
229 extern int __door_info(int, door_info_t *);
230 extern int __door_call(int, door_arg_t *);
231 
232 /*
233  * defined in _portfs.s
234  */
235 extern int64_t _portfs(int, uintptr_t, uintptr_t, uintptr_t, uintptr_t,
236     uintptr_t);
237 
238 /*
239  * defined in xpg4.c
240  */
241 extern int __xpg4;		/* global */
242 extern int libc__xpg4;		/* copy of __xpg4, private to libc */
243 
244 /*
245  * defined in xpg6.c
246  */
247 extern uint_t __xpg6;		/* global */
248 extern uint_t libc__xpg6;	/* copy of __xpg6, private to libc */
249 
250 /*
251  * i18n prototypes - strong symbols (weak symbols are in libintl.h)
252  */
253 extern char *_textdomain(const char *);
254 extern char *_bindtextdomain(const char *, const char *);
255 extern char *_dcgettext(const char *, const char *, const int);
256 extern char *_dgettext(const char *, const char *);
257 extern char *_gettext(const char *);
258 extern int _fnmatch(const char *, const char *, int);
259 
260 
261 /*
262  * defined in port/stdio/doscan.c
263  */
264 extern int _doscan(FILE *, const char *, va_list);
265 extern int __doscan_u(FILE *, const char *, va_list, int);
266 extern int __wdoscan_u(FILE *, const wchar_t *, va_list, int);
267 
268 #ifndef _LP64
269 /* Flag for _ndoprnt() and _doscan_u() */
270 #define	_F_INTMAX32	0x1	/* if set read 4 bytes for u/intmax %j */
271 extern int _fprintf_c89(FILE *, const char *, ...);
272 extern int _printf_c89(const char *, ...);
273 extern int _snprintf_c89(char *, size_t, const char *, ...);
274 extern int _sprintf_c89(char *, const char *, ...);
275 extern int _wprintf_c89(const wchar_t *, ...);
276 extern int _fwprintf_c89(FILE *, const wchar_t *, ...);
277 extern int _swprintf_c89(wchar_t *, size_t, const wchar_t *, ...);
278 extern int _vfprintf_c89(FILE *, const char *, va_list);
279 extern int _vprintf_c89(const char *, va_list);
280 extern int _vsnprintf_c89(char *, size_t, const char *, va_list);
281 extern int _vsprintf_c89(char *, const char *, va_list);
282 extern int _vwprintf_c89(const wchar_t *, va_list);
283 extern int _vfwprintf_c89(FILE *, const wchar_t *, va_list);
284 extern int _vswprintf_c89(wchar_t *, size_t, const wchar_t *, va_list);
285 extern int _scanf_c89(const char *, ...);
286 extern int _fscanf_c89(FILE *, const char *, ...);
287 extern int _sscanf_c89(const char *, const char *, ...);
288 extern int _vscanf_c89(const char *, va_list);
289 extern int _vfscanf_c89(FILE *, const char *, va_list);
290 extern int _vsscanf_c89(const char *, const char *, va_list);
291 extern int _vwscanf_c89(const wchar_t *, va_list);
292 extern int _vfwscanf_c89(FILE *, const wchar_t *, va_list);
293 extern int _vswscanf_c89(const wchar_t *, const wchar_t *, va_list);
294 extern int _wscanf_c89(const wchar_t *, ...);
295 extern int _fwscanf_c89(FILE *, const wchar_t *, ...);
296 extern int _swscanf_c89(const wchar_t *, const wchar_t *, ...);
297 #endif	/*	_LP64	*/
298 
299 /*
300  * defined in port/stdio/popen.c
301  */
302 extern int _insert(pid_t pid, int fd);
303 extern pid_t _delete(int fd);
304 
305 /*
306  * defined in port/print/doprnt.c
307  */
308 extern ssize_t	_wdoprnt(const wchar_t *, va_list, FILE *);
309 
310 /*
311  * defined in fgetwc.c
312  */
313 extern wint_t _fgetwc_unlocked(FILE *);
314 extern wint_t __getwc_xpg5(FILE *);
315 extern wint_t __fgetwc_xpg5(FILE *);
316 extern wint_t _getwc(FILE *);
317 
318 /*
319  * defined in fputwc.c
320  */
321 extern wint_t __putwc_xpg5(wint_t, FILE *);
322 extern wint_t _putwc(wint_t, FILE *);
323 
324 /*
325  * defined in ungetwc.c
326  */
327 extern wint_t	__ungetwc_xpg5(wint_t, FILE *);
328 
329 /*
330  * defined in wscmp.c
331  */
332 extern int	_wcscmp(const wchar_t *, const wchar_t *);
333 
334 /*
335  * defined in wslen.c
336  */
337 extern size_t	_wcslen(const wchar_t *);
338 
339 /*
340  * defined in wscpy.c
341  */
342 extern wchar_t	*_wcscpy(wchar_t *, const wchar_t *);
343 
344 /*
345  * misc synonyms
346  */
347 extern int _wctomb(char *, wchar_t);
348 extern wint_t _towlower(wint_t);
349 extern int _doscan(FILE *, const char *, va_list);
350 extern int _wcscoll(const wchar_t *, const wchar_t *);
351 extern size_t _wcsxfrm(wchar_t *, const wchar_t *, size_t);
352 extern wint_t _fputwc(wint_t, FILE *);
353 
354 #ifdef	__cplusplus
355 }
356 #endif
357 
358 #endif /* _LIBC_H */
359