usr/src/lib/libc/inc/libc.h

   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 /*
 315  * Defined in setlocale.c.
 316  */
 317 extern char *current_locale(locale_t, int);
 318
 319 #ifdef  __cplusplus
 320 }
 321 #endif
 322
 323 #endif /* _LIBC_H */