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
54 #ifdef __cplusplus
55 extern "C" {
56 #endif
57
58 extern void __set_panicstr(const char *);
59 extern void _rewind_unlocked(FILE *);
60 extern long _sysconfig(int);
61 extern int kill(pid_t pid, int sig);
62
63 extern int primary_link_map;
64 extern int thr_main(void);
65 extern int thr_kill(thread_t tid, int sig);
66 extern thread_t thr_self(void);
67 extern int mutex_lock(mutex_t *mp);
68 extern int mutex_unlock(mutex_t *mp);
69 extern void callout_lock_enter(void);
70 extern void callout_lock_exit(void);
71 extern void *lmalloc(size_t);
72 extern void lfree(void *, size_t);
73 extern void libc_nvlist_free(nvlist_t *);
74 extern int libc_nvlist_lookup_uint64(nvlist_t *, const char *, uint64_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 _pollsys(struct pollfd *, nfds_t, const timespec_t *,
80 const sigset_t *);
81
82 /*
83 * The private_DIR structure is the same as the DIR structure,
84 * with the addition of a mutex lock for libc's internal use.
85 */
86 typedef struct {
87 DIR dd_dir;
88 mutex_t dd_lock;
89 } private_DIR;
90
91 #if !defined(_LP64)
92 /*
93 * getdents64 transitional interface is intentionally internal to libc
94 */
95 extern int getdents64(int, struct dirent64 *, size_t);
96 #endif
97
98 extern int _scrwidth(wchar_t);
99
100 extern int64_t __div64(int64_t, int64_t);
101 extern int64_t __rem64(int64_t, int64_t);
102 extern uint64_t __udiv64(uint64_t, uint64_t);
103 extern uint64_t __urem64(uint64_t, uint64_t);
104 extern int64_t __mul64(int64_t, int64_t);
105 extern uint64_t __umul64(uint64_t, uint64_t);
106
107
108 /*
109 * Rounding direction functions
110 */
111 #if defined(__i386) || defined(__amd64)
112 extern enum fp_direction_type __xgetRD(void);
113 #elif defined(__sparc)
114 extern enum fp_direction_type _QgetRD(void);
115 #else
116 #error Unknown architecture!
117 #endif
118
119 /*
120 * defined in open.c
121 */
122 extern int __open(const char *, int, mode_t);
123 extern int __open64(const char *, int, mode_t);
124 extern int __openat(int, const char *, int, mode_t);
125 extern int __openat64(int, const char *, int, mode_t);
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 */
220 extern int __getcontext(ucontext_t *);
221
222 /*
223 * defined in door.s
224 */
225 extern int __door_info(int, door_info_t *);
226 extern int __door_call(int, door_arg_t *);
227
228 /*
229 * defined in _portfs.s
230 */
231 extern int64_t _portfs(int, uintptr_t, uintptr_t, uintptr_t, uintptr_t,
232 uintptr_t);
233
234 /*
235 * defined in xpg4.c
236 */
237 extern int __xpg4; /* global */
238 extern int libc__xpg4; /* copy of __xpg4, private to libc */
239
240 /*
241 * defined in xpg6.c
242 */
243 extern uint_t __xpg6; /* global */
244 extern uint_t libc__xpg6; /* copy of __xpg6, private to libc */
245
246 /*
247 * defined in port/stdio/doscan.c
248 */
249 extern int _doscan(FILE *, const char *, va_list);
250 extern int __doscan_u(FILE *, const char *, va_list, int);
251 extern int __wdoscan_u(FILE *, const wchar_t *, va_list, int);
252
253 #ifndef _LP64
254 /* Flag for _ndoprnt() and _doscan_u() */
255 #define _F_INTMAX32 0x1 /* if set read 4 bytes for u/intmax %j */
256 extern int _fprintf_c89(FILE *, const char *, ...);
257 extern int _printf_c89(const char *, ...);
258 extern int _snprintf_c89(char *, size_t, const char *, ...);
259 extern int _sprintf_c89(char *, const char *, ...);
260 extern int _wprintf_c89(const wchar_t *, ...);
261 extern int _fwprintf_c89(FILE *, const wchar_t *, ...);
262 extern int _swprintf_c89(wchar_t *, size_t, const wchar_t *, ...);
263 extern int _vfprintf_c89(FILE *, const char *, va_list);
264 extern int _vprintf_c89(const char *, va_list);
265 extern int _vsnprintf_c89(char *, size_t, const char *, va_list);
266 extern int _vsprintf_c89(char *, const char *, va_list);
267 extern int _vwprintf_c89(const wchar_t *, va_list);
268 extern int _vfwprintf_c89(FILE *, const wchar_t *, va_list);
269 extern int _vswprintf_c89(wchar_t *, size_t, const wchar_t *, va_list);
270 extern int _scanf_c89(const char *, ...);
271 extern int _fscanf_c89(FILE *, const char *, ...);
272 extern int _sscanf_c89(const char *, const char *, ...);
273 extern int _vscanf_c89(const char *, va_list);
274 extern int _vfscanf_c89(FILE *, const char *, va_list);
275 extern int _vsscanf_c89(const char *, const char *, va_list);
276 extern int _vwscanf_c89(const wchar_t *, va_list);
277 extern int _vfwscanf_c89(FILE *, const wchar_t *, va_list);
278 extern int _vswscanf_c89(const wchar_t *, const wchar_t *, va_list);
279 extern int _wscanf_c89(const wchar_t *, ...);
280 extern int _fwscanf_c89(FILE *, const wchar_t *, ...);
281 extern int _swscanf_c89(const wchar_t *, const wchar_t *, ...);
282 #endif /* _LP64 */
283
284 /*
285 * defined in port/stdio/popen.c
286 */
287 extern int _insert(pid_t pid, int fd);
288 extern pid_t _delete(int fd);
289
290 /*
291 * defined in port/print/doprnt.c
292 */
293 extern ssize_t _wdoprnt(const wchar_t *, va_list, FILE *);
294
295 /*
296 * defined in fgetwc.c
297 */
298 extern wint_t _fgetwc_unlocked(FILE *);
299 extern wint_t __getwc_xpg5(FILE *);
300 extern wint_t __fgetwc_xpg5(FILE *);
301 extern wint_t _getwc(FILE *);
302
303 /*
304 * defined in fputwc.c
305 */
306 extern wint_t __putwc_xpg5(wint_t, FILE *);
307 extern wint_t _putwc(wint_t, FILE *);
308
309 /*
310 * defined in ungetwc.c
311 */
312 extern wint_t __ungetwc_xpg5(wint_t, FILE *);
313
314 /*
315 * Defined in setlocale.c.
316 */
317 extern char *current_locale(locale_t, int);
318
319 #ifdef __cplusplus
320 }
321 #endif
322
323 #endif /* _LIBC_H */