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 2007 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 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 /* 89 * The private_DIR structure is the same as the DIR structure, 90 * with the addition of a mutex lock for libc's internal use. 91 */ 92 typedef struct { 93 DIR dd_dir; 94 mutex_t dd_lock; 95 } private_DIR; 96 97 #if !defined(_LP64) 98 /* 99 * getdents64 transitional interface is intentionally internal to libc 100 */ 101 extern int getdents64(int, struct dirent64 *, size_t); 102 #endif 103 104 extern int _scrwidth(wchar_t); 105 106 extern int64_t __div64(int64_t, int64_t); 107 extern int64_t __rem64(int64_t, int64_t); 108 extern uint64_t __udiv64(uint64_t, uint64_t); 109 extern uint64_t __urem64(uint64_t, uint64_t); 110 extern int64_t __mul64(int64_t, int64_t); 111 extern uint64_t __umul64(uint64_t, uint64_t); 112 113 114 /* 115 * Rounding direction functions 116 */ 117 #if defined(__i386) || defined(__amd64) 118 extern enum fp_direction_type __xgetRD(void); 119 #elif defined(__sparc) 120 extern enum fp_direction_type _QgetRD(void); 121 #else 122 #error Unknown architecture! 123 #endif 124 125 126 /* 127 * defined in hex_bin.c 128 */ 129 extern void __hex_to_single(decimal_record *, enum fp_direction_type, 130 single *, fp_exception_field_type *); 131 extern void __hex_to_double(decimal_record *, enum fp_direction_type, 132 double *, fp_exception_field_type *); 133 #if defined(__sparc) 134 extern void __hex_to_quadruple(decimal_record *, enum fp_direction_type, 135 quadruple *, fp_exception_field_type *); 136 #elif defined(__i386) || defined(__amd64) 137 extern void __hex_to_extended(decimal_record *, enum fp_direction_type, 138 extended *, fp_exception_field_type *); 139 #else 140 #error Unknown architecture 141 #endif 142 143 /* 144 * defined in ctime.c 145 */ 146 extern char *__posix_asctime_r(const struct tm *, char *); 147 148 /* 149 * Internal routine from fsync.c 150 */ 151 extern int __fdsync(int, int); /* 2nd arg may be wrong in 64bit mode */ 152 153 /* 154 * Internal routine from _xregs_clrptr.c 155 */ 156 extern void _xregs_clrptr(ucontext_t *); 157 158 /* 159 * Internal routine from nfssys.c 160 */ 161 extern int _nfssys(int, void *); /* int in 64bit mode ???, void * ??? */ 162 163 /* 164 * Internal routine from psetsys.c 165 */ 166 extern int _pset(int, ...); /* int in 64bit mode ??? */ 167 168 /* 169 * defined in sigpending.s 170 */ 171 extern int __sigfillset(sigset_t *); 172 173 /* 174 * defined in sparc/fp/_Q_set_except.c and i386/fp/exception.c 175 */ 176 extern int _Q_set_exception(unsigned int); 177 178 /* 179 * defined in nsparse.c 180 */ 181 extern struct __nsw_switchconfig *_nsw_getoneconfig(const char *name, 182 char *linep, enum __nsw_parse_err *); 183 extern struct __nsw_switchconfig_v1 *_nsw_getoneconfig_v1(const char *name, 184 char *linep, enum __nsw_parse_err *); 185 186 /* 187 * Internal routine from getusershell.c 188 */ 189 extern char *getusershell(void); 190 191 /* 192 * defined in _sigaction.s 193 */ 194 extern int __sigaction(int, const struct sigaction *, struct sigaction *); 195 196 /* 197 * defined in _getsp.s 198 */ 199 extern greg_t _getsp(void); 200 201 /* 202 * defined in _so_setsockopt.s 203 */ 204 extern int _so_setsockopt(int, int, int, const char *, int); 205 206 /* 207 * defined in _so_getsockopt.s 208 */ 209 extern int _so_getsockopt(int, int, int, char *, int *); 210 211 /* 212 * defined in lsign.s 213 */ 214 extern int lsign(dl_t); 215 216 /* 217 * defined in ucontext.s 218 * __getcontext() is exported by libc 219 * __getcontext_syscall() is private to libc 220 * otherwise they are the same function 221 */ 222 extern int __getcontext(ucontext_t *); 223 extern int __getcontext_syscall(ucontext_t *); 224 225 /* 226 * defined in door.s 227 */ 228 extern int __door_info(int, door_info_t *); 229 extern int __door_call(int, door_arg_t *); 230 231 /* 232 * defined in _portfs.s 233 */ 234 extern int64_t _portfs(int, uintptr_t, uintptr_t, uintptr_t, uintptr_t, 235 uintptr_t); 236 237 /* 238 * defined in xpg4.c 239 */ 240 extern int __xpg4; 241 242 /* 243 * i18n prototypes - strong symbols (weak symbols are in libintl.h) 244 */ 245 extern char *_textdomain(const char *); 246 extern char *_bindtextdomain(const char *, const char *); 247 extern char *_dcgettext(const char *, const char *, const int); 248 extern char *_dgettext(const char *, const char *); 249 extern char *_gettext(const char *); 250 extern int _fnmatch(const char *, const char *, int); 251 252 253 /* 254 * defined in port/stdio/doscan.c 255 */ 256 extern int _doscan(FILE *, const char *, va_list); 257 extern int __doscan_u(FILE *, const char *, va_list, int); 258 extern int __wdoscan_u(FILE *, const wchar_t *, va_list, int); 259 260 #ifndef _LP64 261 /* Flag for _ndoprnt() and _doscan_u() */ 262 #define _F_INTMAX32 0x1 /* if set read 4 bytes for u/intmax %j */ 263 extern int _fprintf_c89(FILE *, const char *, ...); 264 extern int _printf_c89(const char *, ...); 265 extern int _snprintf_c89(char *, size_t, const char *, ...); 266 extern int _sprintf_c89(char *, const char *, ...); 267 extern int _wprintf_c89(const wchar_t *, ...); 268 extern int _fwprintf_c89(FILE *, const wchar_t *, ...); 269 extern int _swprintf_c89(wchar_t *, size_t, const wchar_t *, ...); 270 extern int _vfprintf_c89(FILE *, const char *, va_list); 271 extern int _vprintf_c89(const char *, va_list); 272 extern int _vsnprintf_c89(char *, size_t, const char *, va_list); 273 extern int _vsprintf_c89(char *, const char *, va_list); 274 extern int _vwprintf_c89(const wchar_t *, va_list); 275 extern int _vfwprintf_c89(FILE *, const wchar_t *, va_list); 276 extern int _vswprintf_c89(wchar_t *, size_t, const wchar_t *, va_list); 277 extern int _scanf_c89(const char *, ...); 278 extern int _fscanf_c89(FILE *, const char *, ...); 279 extern int _sscanf_c89(const char *, const char *, ...); 280 extern int _vscanf_c89(const char *, va_list); 281 extern int _vfscanf_c89(FILE *, const char *, va_list); 282 extern int _vsscanf_c89(const char *, const char *, va_list); 283 extern int _vwscanf_c89(const wchar_t *, va_list); 284 extern int _vfwscanf_c89(FILE *, const wchar_t *, va_list); 285 extern int _vswscanf_c89(const wchar_t *, const wchar_t *, va_list); 286 extern int _wscanf_c89(const wchar_t *, ...); 287 extern int _fwscanf_c89(FILE *, const wchar_t *, ...); 288 extern int _swscanf_c89(const wchar_t *, const wchar_t *, ...); 289 #endif /* _LP64 */ 290 291 /* 292 * defined in port/stdio/popen.c 293 */ 294 extern int _insert(pid_t pid, int fd); 295 extern pid_t _delete(int fd); 296 297 /* 298 * defined in port/print/doprnt.c 299 */ 300 extern ssize_t _wdoprnt(const wchar_t *, va_list, FILE *); 301 302 /* 303 * defined in fgetwc.c 304 */ 305 extern wint_t _fgetwc_unlocked(FILE *); 306 extern wint_t __getwc_xpg5(FILE *); 307 extern wint_t __fgetwc_xpg5(FILE *); 308 extern wint_t _getwc(FILE *); 309 310 /* 311 * defined in fputwc.c 312 */ 313 extern wint_t __putwc_xpg5(wint_t, FILE *); 314 extern wint_t _putwc(wint_t, FILE *); 315 316 /* 317 * defined in ungetwc.c 318 */ 319 extern wint_t __ungetwc_xpg5(wint_t, FILE *); 320 321 /* 322 * defined in wscmp.c 323 */ 324 extern int _wcscmp(const wchar_t *, const wchar_t *); 325 326 /* 327 * defined in wslen.c 328 */ 329 extern size_t _wcslen(const wchar_t *); 330 331 /* 332 * defined in wscpy.c 333 */ 334 extern wchar_t *_wcscpy(wchar_t *, const wchar_t *); 335 336 /* 337 * misc synonyms 338 */ 339 extern int _wctomb(char *, wchar_t); 340 extern wint_t _towlower(wint_t); 341 extern int _doscan(FILE *, const char *, va_list); 342 extern int _wcscoll(const wchar_t *, const wchar_t *); 343 extern size_t _wcsxfrm(wchar_t *, const wchar_t *, size_t); 344 extern wint_t _fputwc(wint_t, FILE *); 345 extern pid_t waitpid_cancel(pid_t, int *, int); 346 #ifdef __cplusplus 347 } 348 #endif 349 350 #endif /* _LIBC_H */ 351