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 #include <libnvpair.h> 55 56 #ifdef __cplusplus 57 extern "C" { 58 #endif 59 60 extern void __set_panicstr(const char *); 61 extern void _rewind_unlocked(FILE *); 62 extern int _rename(const char *, const char *); 63 extern long _sysconfig(int); 64 extern int kill(pid_t pid, int sig); 65 66 extern int primary_link_map; 67 extern int thr_main(void); 68 extern int thr_kill(thread_t tid, int sig); 69 extern thread_t thr_self(void); 70 extern int mutex_lock(mutex_t *mp); 71 extern int mutex_unlock(mutex_t *mp); 72 extern void callout_lock_enter(void); 73 extern void callout_lock_exit(void); 74 extern void *lmalloc(size_t); 75 extern void lfree(void *, size_t); 76 extern void libc_nvlist_free(nvlist_t *); 77 extern int libc_nvlist_lookup_uint64(nvlist_t *, const char *, uint64_t *); 78 extern void *libc_malloc(size_t); 79 extern void *libc_realloc(void *, size_t); 80 extern void libc_free(void *); 81 extern char *libc_strdup(const char *); 82 extern int _sigwait(sigset_t *); 83 extern int _thr_getspecific(thread_key_t key, void **valuep); 84 extern int _thr_setspecific(unsigned int key, void *value); 85 extern int _thr_keycreate(thread_key_t *pkey, void (*destructor)(void *)); 86 extern int _thr_keycreate_once(thread_key_t *pkey, void (*destructor)(void *)); 87 extern void *_pthread_getspecific(thread_key_t); 88 extern int _pollsys(struct pollfd *, nfds_t, const timespec_t *, 89 const sigset_t *); 90 91 /* 92 * The private_DIR structure is the same as the DIR structure, 93 * with the addition of a mutex lock for libc's internal use. 94 */ 95 typedef struct { 96 DIR dd_dir; 97 mutex_t dd_lock; 98 } private_DIR; 99 100 #if !defined(_LP64) 101 /* 102 * getdents64 transitional interface is intentionally internal to libc 103 */ 104 extern int getdents64(int, struct dirent64 *, size_t); 105 #endif 106 107 extern int _scrwidth(wchar_t); 108 109 extern int64_t __div64(int64_t, int64_t); 110 extern int64_t __rem64(int64_t, int64_t); 111 extern uint64_t __udiv64(uint64_t, uint64_t); 112 extern uint64_t __urem64(uint64_t, uint64_t); 113 extern int64_t __mul64(int64_t, int64_t); 114 extern uint64_t __umul64(uint64_t, uint64_t); 115 116 117 /* 118 * Rounding direction functions 119 */ 120 #if defined(__i386) || defined(__amd64) 121 extern enum fp_direction_type __xgetRD(void); 122 #elif defined(__sparc) 123 extern enum fp_direction_type _QgetRD(void); 124 #else 125 #error Unknown architecture! 126 #endif 127 128 129 /* 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 _getsp.s 201 */ 202 extern greg_t _getsp(void); 203 204 /* 205 * defined in _so_setsockopt.s 206 */ 207 extern int _so_setsockopt(int, int, int, const char *, int); 208 209 /* 210 * defined in _so_getsockopt.s 211 */ 212 extern int _so_getsockopt(int, int, int, char *, int *); 213 214 /* 215 * defined in lsign.s 216 */ 217 extern int lsign(dl_t); 218 219 /* 220 * defined in ucontext.s 221 */ 222 extern int __getcontext(ucontext_t *); 223 224 /* 225 * defined in door.s 226 */ 227 extern int __door_info(int, door_info_t *); 228 extern int __door_call(int, door_arg_t *); 229 230 /* 231 * defined in _portfs.s 232 */ 233 extern int64_t _portfs(int, uintptr_t, uintptr_t, uintptr_t, uintptr_t, 234 uintptr_t); 235 236 /* 237 * defined in xpg4.c 238 */ 239 extern int __xpg4; /* global */ 240 extern int libc__xpg4; /* copy of __xpg4, private to libc */ 241 242 /* 243 * defined in xpg6.c 244 */ 245 extern uint_t __xpg6; /* global */ 246 extern uint_t libc__xpg6; /* copy of __xpg6, private to libc */ 247 248 /* 249 * i18n prototypes - strong symbols (weak symbols are in libintl.h) 250 */ 251 extern char *_textdomain(const char *); 252 extern char *_bindtextdomain(const char *, const char *); 253 extern char *_dcgettext(const char *, const char *, const int); 254 extern char *_dgettext(const char *, const char *); 255 extern char *_gettext(const char *); 256 extern int _fnmatch(const char *, const char *, int); 257 258 259 /* 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 wscmp.c 329 */ 330 extern int _wcscmp(const wchar_t *, const wchar_t *); 331 332 /* 333 * defined in wslen.c 334 */ 335 extern size_t _wcslen(const wchar_t *); 336 337 /* 338 * defined in wscpy.c 339 */ 340 extern wchar_t *_wcscpy(wchar_t *, const wchar_t *); 341 342 /* 343 * misc synonyms 344 */ 345 extern int _wctomb(char *, wchar_t); 346 extern wint_t _towlower(wint_t); 347 extern int _doscan(FILE *, const char *, va_list); 348 extern int _wcscoll(const wchar_t *, const wchar_t *); 349 extern size_t _wcsxfrm(wchar_t *, const wchar_t *, size_t); 350 extern wint_t _fputwc(wint_t, FILE *); 351 #ifdef __cplusplus 352 } 353 #endif 354 355 #endif /* _LIBC_H */ 356