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