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 2010 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 #include <thread.h>
36 #include <stdio.h>
37 #include <dirent.h>
38 #include <ucontext.h>
39 #include <nsswitch.h>
40 #include <stddef.h>
41 #include <poll.h>
42 #include <sys/dl.h>
43 #include <sys/door.h>
44 #include <sys/ieeefp.h>
45 #include <sys/mount.h>
46 #include <floatingpoint.h>
47 #include <nl_types.h>
48 #include <regex.h>
49 #include <stdarg.h>
50 #include <wchar.h>
51 #include <wctype.h>
52 #include <libnvpair.h>
53 #include <setjmp.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 long _sysconfig(int);
62 extern int kill(pid_t pid, int sig);
63
64 extern int primary_link_map;
65 extern void _thr_exit(void *) __NORETURN;
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_nvlist_free(nvlist_t *);
76 extern int libc_nvlist_lookup_uint64(nvlist_t *, const char *, uint64_t *);
77 extern void *libc_malloc(size_t);
78 extern void *libc_realloc(void *, size_t);
79 extern void libc_free(void *);
80 extern char *libc_strdup(const char *);
81 extern int _pollsys(struct pollfd *, nfds_t, const timespec_t *,
82 const sigset_t *);
83
84 /*
85 * The private_DIR structure is the same as the DIR structure,
86 * with the addition of a mutex lock for libc's internal use.
87 */
88 typedef struct {
89 DIR dd_dir;
90 mutex_t dd_lock;
91 } private_DIR;
92
93 #if !defined(_LP64)
94 /*
95 * getdents64 transitional interface is intentionally internal to libc
96 */
97 extern int getdents64(int, struct dirent64 *, size_t);
98 #endif
99
100 extern int _scrwidth(wchar_t);
101
102 extern int64_t __div64(int64_t, int64_t);
103 extern int64_t __rem64(int64_t, int64_t);
104 extern uint64_t __udiv64(uint64_t, uint64_t);
105 extern uint64_t __urem64(uint64_t, uint64_t);
106 extern int64_t __mul64(int64_t, int64_t);
107 extern uint64_t __umul64(uint64_t, uint64_t);
108
109
110 /*
111 * Rounding direction functions
112 */
113 #if defined(__i386) || defined(__amd64)
114 extern enum fp_direction_type __xgetRD(void);
115 #elif defined(__sparc)
116 extern enum fp_direction_type _QgetRD(void);
117 #else
118 #error Unknown architecture!
119 #endif
120
121 /*
122 * defined in open.c
123 */
124 extern int __open(const char *, int, mode_t);
125 extern int __open64(const char *, int, mode_t);
126 extern int __openat(int, const char *, int, mode_t);
127 extern int __openat64(int, const char *, int, mode_t);
128
129 /*
130 * defined in hex_bin.c
131 */
132 extern void __hex_to_single(decimal_record *, enum fp_direction_type,
133 single *, fp_exception_field_type *);
134 extern void __hex_to_double(decimal_record *, enum fp_direction_type,
135 double *, fp_exception_field_type *);
136 #if defined(__sparc)
137 extern void __hex_to_quadruple(decimal_record *, enum fp_direction_type,
138 quadruple *, fp_exception_field_type *);
139 #elif defined(__i386) || defined(__amd64)
140 extern void __hex_to_extended(decimal_record *, enum fp_direction_type,
141 extended *, fp_exception_field_type *);
142 #else
143 #error Unknown architecture
144 #endif
145
146 /*
147 * defined in ctime.c
148 */
149 extern char *__posix_asctime_r(const struct tm *, char *);
150
151 /*
152 * Internal routine from fsync.c
153 */
154 extern int __fdsync(int, int); /* 2nd arg may be wrong in 64bit mode */
155
156 /*
157 * Internal routine from _xregs_clrptr.c
158 */
159 extern void _xregs_clrptr(ucontext_t *);
160
161 /*
162 * Internal routine from nfssys.c
163 */
164 extern int _nfssys(int, void *); /* int in 64bit mode ???, void * ??? */
165
166 /*
167 * Internal routine from psetsys.c
168 */
169 extern int _pset(int, ...); /* int in 64bit mode ??? */
170
171 /*
172 * defined in sigpending.s
173 */
174 extern int __sigfillset(sigset_t *);
175
176 /*
177 * defined in sparc/fp/_Q_set_except.c and i386/fp/exception.c
178 */
179 extern int _Q_set_exception(unsigned int);
180
181 /*
182 * defined in nsparse.c
183 */
184 extern struct __nsw_switchconfig *_nsw_getoneconfig(const char *name,
185 char *linep, enum __nsw_parse_err *);
186 extern struct __nsw_switchconfig_v1 *_nsw_getoneconfig_v1(const char *name,
187 char *linep, enum __nsw_parse_err *);
188
189 /*
190 * Internal routine from getusershell.c
191 */
192 extern char *getusershell(void);
193
194 /*
195 * defined in _sigaction.s
196 */
197 extern int __sigaction(int, const struct sigaction *, struct sigaction *);
198
199 /*
200 * defined in siglongjmp.c
201 */
202 extern void _siglongjmp(sigjmp_buf, int) __NORETURN;
203
204 /*
205 * defined in _getsp.s
206 */
207 extern greg_t _getsp(void);
208
209 /*
210 * defined in _so_setsockopt.s
211 */
212 extern int _so_setsockopt(int, int, int, const char *, int);
213
214 /*
215 * defined in _so_getsockopt.s
216 */
217 extern int _so_getsockopt(int, int, int, char *, int *);
218
219 /*
220 * defined in lsign.s
221 */
222 extern int lsign(dl_t);
223
224 /*
225 * defined in getctxt.c
226 */
227 extern int _getcontext(ucontext_t *) __RETURNS_TWICE;
228
229 /*
230 * defined in ucontext.s
231 */
232 extern int __getcontext(ucontext_t *);
233 extern int __getcontext_extd(ucontext_t *);
234
235 /*
236 * defined in door.s
237 */
238 extern int __door_info(int, door_info_t *);
239 extern int __door_call(int, door_arg_t *);
240
241 /*
242 * defined in _portfs.s
243 */
244 extern int64_t _portfs(int, uintptr_t, uintptr_t, uintptr_t, uintptr_t,
245 uintptr_t);
246
247 /*
248 * defined in xpg4.c
249 */
250 extern int __xpg4; /* global */
251 extern int libc__xpg4; /* copy of __xpg4, private to libc */
252
253 /*
254 * defined in xpg6.c
255 */
256 extern uint_t __xpg6; /* global */
257 extern uint_t libc__xpg6; /* copy of __xpg6, private to libc */
258
259 /*
260 * defined in port/stdio/doscan.c
261 */
262 extern int _doscan(FILE *, const char *, va_list);
263 extern int __doscan_u(FILE *, const char *, va_list, int);
264 extern int __wdoscan_u(FILE *, const wchar_t *, va_list, int);
265
266 #ifndef _LP64
267 /* Flag for _ndoprnt() and _doscan_u() */
268 #define _F_INTMAX32 0x1 /* if set read 4 bytes for u/intmax %j */
269 extern int _fprintf_c89(FILE *, const char *, ...);
270 extern int _printf_c89(const char *, ...);
271 extern int _snprintf_c89(char *, size_t, const char *, ...);
272 extern int _sprintf_c89(char *, const char *, ...);
273 extern int _wprintf_c89(const wchar_t *, ...);
274 extern int _fwprintf_c89(FILE *, const wchar_t *, ...);
275 extern int _swprintf_c89(wchar_t *, size_t, const wchar_t *, ...);
276 extern int _vfprintf_c89(FILE *, const char *, va_list);
277 extern int _vprintf_c89(const char *, va_list);
278 extern int _vsnprintf_c89(char *, size_t, const char *, va_list);
279 extern int _vsprintf_c89(char *, const char *, va_list);
280 extern int _vwprintf_c89(const wchar_t *, va_list);
281 extern int _vfwprintf_c89(FILE *, const wchar_t *, va_list);
282 extern int _vswprintf_c89(wchar_t *, size_t, const wchar_t *, va_list);
283 extern int _scanf_c89(const char *, ...);
284 extern int _fscanf_c89(FILE *, const char *, ...);
285 extern int _sscanf_c89(const char *, const char *, ...);
286 extern int _vscanf_c89(const char *, va_list);
287 extern int _vfscanf_c89(FILE *, const char *, va_list);
288 extern int _vsscanf_c89(const char *, const char *, va_list);
289 extern int _vwscanf_c89(const wchar_t *, va_list);
290 extern int _vfwscanf_c89(FILE *, const wchar_t *, va_list);
291 extern int _vswscanf_c89(const wchar_t *, const wchar_t *, va_list);
292 extern int _wscanf_c89(const wchar_t *, ...);
293 extern int _fwscanf_c89(FILE *, const wchar_t *, ...);
294 extern int _swscanf_c89(const wchar_t *, const wchar_t *, ...);
295 #endif /* _LP64 */
296
297 /*
298 * defined in port/stdio/popen.c
299 */
300 extern int _insert(pid_t pid, int fd);
301 extern pid_t _delete(int fd);
302
303 /*
304 * defined in port/print/doprnt.c
305 */
306 extern ssize_t _wdoprnt(const wchar_t *, va_list, FILE *);
307
308 /*
309 * defined in fgetwc.c
310 */
311 extern wint_t _fgetwc_unlocked(FILE *);
312 extern wint_t __getwc_xpg5(FILE *);
313 extern wint_t __fgetwc_xpg5(FILE *);
314 extern wint_t _getwc(FILE *);
315
316 /*
317 * defined in fputwc.c
318 */
319 extern wint_t __putwc_xpg5(wint_t, FILE *);
320 extern wint_t _putwc(wint_t, FILE *);
321
322 /*
323 * defined in ungetwc.c
324 */
325 extern wint_t __ungetwc_xpg5(wint_t, FILE *);
326
327 /*
328 * Defined in setlocale.c.
329 */
330 extern char *current_locale(locale_t, int);
331
332 /*
333 * defined in set_constraint_handler_s.c.
334 */
335 extern void __throw_constraint_handler_s(const char *_RESTRICT_KYWD, int);
336
337 /*
338 * defined in assfail.c.
339 */
340 extern void common_panic(const char *, const char *);
341
342 /*
343 * defined in mbrtowc.c.
344 */
345 extern size_t mbrtowc_nz_l(wchar_t *_RESTRICT_KYWD, const char *_RESTRICT_KYWD,
346 size_t, mbstate_t *_RESTRICT_KYWD, locale_t);
347 extern size_t mbrtowc_nz(wchar_t *_RESTRICT_KYWD, const char *_RESTRICT_KYWD,
348 size_t, mbstate_t *_RESTRICT_KYWD);
349
350 /*
351 * defined in getauxv.c.
352 */
353 extern long ___getauxval(int);
354 extern void *___getauxptr(int);
355
356 #ifdef __cplusplus
357 }
358 #endif
359
360 #endif /* _LIBC_H */