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 * Copyright 2005 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 <sys/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 int fork_lock_enter(const char *); 72 extern void fork_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 void *_pthread_getspecific(thread_key_t); 84 extern int _pollsys(struct pollfd *, nfds_t, const timespec_t *, 85 const sigset_t *); 86 extern void _private_testcancel(void); 87 88 #if !defined(_LP64) 89 /* 90 * getdents64 transitional interface is intentionally internal to libc 91 */ 92 extern int getdents64(int, struct dirent64 *, size_t); 93 #endif 94 95 extern int _scrwidth(wchar_t); 96 97 extern int64_t __div64(int64_t, int64_t); 98 extern int64_t __rem64(int64_t, int64_t); 99 extern uint64_t __udiv64(uint64_t, uint64_t); 100 extern uint64_t __urem64(uint64_t, uint64_t); 101 extern uint64_t _umul32x32to64(uint32_t, uint32_t); 102 extern int64_t __mul64(int64_t, int64_t); 103 extern uint64_t __umul64(uint64_t, uint64_t); 104 105 106 /* 107 * Rounding direction functions 108 */ 109 #if defined(__i386) || defined(__amd64) 110 extern enum fp_direction_type __xgetRD(void); 111 #elif defined(__sparc) 112 extern enum fp_direction_type _QgetRD(void); 113 #else 114 #error Unknown architecture! 115 #endif 116 117 118 /* 119 * defined in hex_bin.c 120 */ 121 extern void __hex_to_single(decimal_record *, enum fp_direction_type, 122 single *, fp_exception_field_type *); 123 extern void __hex_to_double(decimal_record *, enum fp_direction_type, 124 double *, fp_exception_field_type *); 125 #if defined(__sparc) 126 extern void __hex_to_quadruple(decimal_record *, enum fp_direction_type, 127 quadruple *, fp_exception_field_type *); 128 #elif defined(__i386) || defined(__amd64) 129 extern 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 */ 138 extern char *__posix_asctime_r(const struct tm *, char *); 139 140 /* 141 * Internal routine from fsync.c 142 */ 143 extern int __fdsync(int, int); /* 2nd arg may be wrong in 64bit mode */ 144 145 /* 146 * Internal routine from _xregs_clrptr.c 147 */ 148 extern void _xregs_clrptr(ucontext_t *); 149 150 /* 151 * Internal routine from nfssys.c 152 */ 153 extern int _nfssys(int, void *); /* int in 64bit mode ???, void * ??? */ 154 155 /* 156 * Internal routine from psetsys.c 157 */ 158 extern int _pset(int, ...); /* int in 64bit mode ??? */ 159 160 /* 161 * defined in sigpending.s 162 */ 163 extern int __sigfillset(sigset_t *); 164 165 /* 166 * defined in sparc/fp/_Q_set_except.c and i386/fp/exception.c 167 */ 168 extern int _Q_set_exception(unsigned int); 169 170 /* 171 * defined in nsparse.c 172 */ 173 extern struct __nsw_switchconfig *_nsw_getoneconfig(const char *name, 174 char *linep, enum __nsw_parse_err *); 175 extern 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 */ 181 extern char *getusershell(void); 182 183 /* 184 * defined in _sigaction.s 185 */ 186 extern int __sigaction(int, const struct sigaction *, struct sigaction *); 187 188 /* 189 * defined in _getsp.s 190 */ 191 extern greg_t _getsp(void); 192 193 /* 194 * defined in _so_setsockopt.s 195 */ 196 extern int _so_setsockopt(int, int, int, const char *, int); 197 198 /* 199 * defined in _so_getsockopt.s 200 */ 201 extern int _so_getsockopt(int, int, int, char *, int *); 202 203 /* 204 * defined in lsign.s 205 */ 206 extern 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 */ 214 extern int __getcontext(ucontext_t *); 215 extern int __getcontext_syscall(ucontext_t *); 216 217 /* 218 * defined in door.s 219 */ 220 extern int __door_info(int, door_info_t *); 221 extern int __door_call(int, door_arg_t *); 222 223 /* 224 * defined in _portfs.s 225 */ 226 extern int64_t _portfs(int, uintptr_t, uintptr_t, uintptr_t, uintptr_t, 227 uintptr_t); 228 229 /* 230 * defined in xpg4.c 231 */ 232 extern int __xpg4; 233 234 /* 235 * i18n prototypes - strong symbols (weak symbols are in libintl.h) 236 */ 237 extern char *_textdomain(const char *); 238 extern char *_bindtextdomain(const char *, const char *); 239 extern char *_dcgettext(const char *, const char *, const int); 240 extern char *_dgettext(const char *, const char *); 241 extern char *_gettext(const char *); 242 extern int _fnmatch(const char *, const char *, int); 243 244 245 /* 246 * defined in port/stdio/doscan.c 247 */ 248 extern int _doscan(FILE *, const char *, va_list); 249 extern int __doscan_u(FILE *, const char *, va_list, int); 250 extern 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 */ 255 extern int _fprintf_c89(FILE *, const char *, ...); 256 extern int _printf_c89(const char *, ...); 257 extern int _snprintf_c89(char *, size_t, const char *, ...); 258 extern int _sprintf_c89(char *, const char *, ...); 259 extern int _wprintf_c89(const wchar_t *, ...); 260 extern int _fwprintf_c89(FILE *, const wchar_t *, ...); 261 extern int _swprintf_c89(wchar_t *, size_t, const wchar_t *, ...); 262 extern int _vfprintf_c89(FILE *, const char *, va_list); 263 extern int _vprintf_c89(const char *, va_list); 264 extern int _vsnprintf_c89(char *, size_t, const char *, va_list); 265 extern int _vsprintf_c89(char *, const char *, va_list); 266 extern int _vwprintf_c89(const wchar_t *, va_list); 267 extern int _vfwprintf_c89(FILE *, const wchar_t *, va_list); 268 extern int _vswprintf_c89(wchar_t *, size_t, const wchar_t *, va_list); 269 extern int _scanf_c89(const char *, ...); 270 extern int _fscanf_c89(FILE *, const char *, ...); 271 extern int _sscanf_c89(const char *, const char *, ...); 272 extern int _vscanf_c89(const char *, va_list); 273 extern int _vfscanf_c89(FILE *, const char *, va_list); 274 extern int _vsscanf_c89(const char *, const char *, va_list); 275 extern int _vwscanf_c89(const wchar_t *, va_list); 276 extern int _vfwscanf_c89(FILE *, const wchar_t *, va_list); 277 extern int _vswscanf_c89(const wchar_t *, const wchar_t *, va_list); 278 extern int _wscanf_c89(const wchar_t *, ...); 279 extern int _fwscanf_c89(FILE *, const wchar_t *, ...); 280 extern int _swscanf_c89(const wchar_t *, const wchar_t *, ...); 281 #endif /* _LP64 */ 282 283 /* 284 * defined in port/stdio/popen.c 285 */ 286 extern int _insert(pid_t pid, int fd); 287 extern pid_t _delete(int fd); 288 289 /* 290 * defined in port/print/doprnt.c 291 */ 292 extern ssize_t _wdoprnt(const wchar_t *, va_list, FILE *); 293 294 /* 295 * defined in fgetwc.c 296 */ 297 extern wint_t _fgetwc_unlocked(FILE *); 298 extern wint_t __getwc_xpg5(FILE *); 299 extern wint_t __fgetwc_xpg5(FILE *); 300 extern wint_t _getwc(FILE *); 301 302 /* 303 * defined in fputwc.c 304 */ 305 extern wint_t __putwc_xpg5(wint_t, FILE *); 306 extern wint_t _putwc(wint_t, FILE *); 307 308 /* 309 * defined in ungetwc.c 310 */ 311 extern wint_t __ungetwc_xpg5(wint_t, FILE *); 312 313 /* 314 * defined in wscmp.c 315 */ 316 extern int _wcscmp(const wchar_t *, const wchar_t *); 317 318 /* 319 * defined in wslen.c 320 */ 321 extern size_t _wcslen(const wchar_t *); 322 323 /* 324 * defined in wscpy.c 325 */ 326 extern wchar_t *_wcscpy(wchar_t *, const wchar_t *); 327 328 #ifdef __sparc 329 extern ulong_t caller(void); 330 extern ulong_t getfp(void); 331 #endif 332 333 /* 334 * misc synonyms 335 */ 336 extern int _wctomb(char *, wchar_t); 337 extern wint_t _towlower(wint_t); 338 extern int _doscan(FILE *, const char *, va_list); 339 extern int _wcscoll(const wchar_t *, const wchar_t *); 340 extern size_t _wcsxfrm(wchar_t *, const wchar_t *, size_t); 341 extern wint_t _fputwc(wint_t, FILE *); 342 #ifdef __cplusplus 343 } 344 #endif 345 346 #endif /* _LIBC_H */ 347