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 #ifdef __cplusplus 315 } 316 #endif 317 318 #endif /* _LIBC_H */ 319