include/os.h

   1 /***********************************************************
   2
   3 Copyright 1987, 1998  The Open Group
   4
   5 Permission to use, copy, modify, distribute, and sell this software and its
   6 documentation for any purpose is hereby granted without fee, provided that
   7 the above copyright notice appear in all copies and that both that
   8 copyright notice and this permission notice appear in supporting
   9 documentation.
  10
  11 The above copyright notice and this permission notice shall be included in
  12 all copies or substantial portions of the Software.
  13
  14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
  17 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  18 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  19 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  20
  21 Except as contained in this notice, the name of The Open Group shall not be
  22 used in advertising or otherwise to promote the sale, use or other dealings
  23 in this Software without prior written authorization from The Open Group.
  24
  25 Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
  26
  27                         All Rights Reserved
  28
  29 Permission to use, copy, modify, and distribute this software and its
  30 documentation for any purpose and without fee is hereby granted,
  31 provided that the above copyright notice appear in all copies and that
  32 both that copyright notice and this permission notice appear in
  33 supporting documentation, and that the name of Digital not be
  34 used in advertising or publicity pertaining to distribution of the
  35 software without specific, written prior permission.
  36
  37 DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
  38 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
  39 DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
  40 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
  41 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
  42 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
  43 SOFTWARE.
  44
  45 ******************************************************************/
  46
  47 #ifndef OS_H
  48 #define OS_H
  49
  50 #include "misc.h"
  51 #include <stdarg.h>
  52 #include <stdint.h>
  53 #include <string.h>
  54
  55 #define SCREEN_SAVER_ON   0
  56 #define SCREEN_SAVER_OFF  1
  57 #define SCREEN_SAVER_FORCER 2
  58 #define SCREEN_SAVER_CYCLE  3
  59
  60 #ifndef MAX_REQUEST_SIZE
  61 #define MAX_REQUEST_SIZE 65535
  62 #endif
  63 #ifndef MAX_BIG_REQUEST_SIZE
  64 #define MAX_BIG_REQUEST_SIZE 4194303
  65 #endif
  66
  67 typedef struct _FontPathRec *FontPathPtr;
  68 typedef struct _NewClientRec *NewClientPtr;
  69
  70 #ifndef xalloc
  71 #define xnfalloc(size) XNFalloc((unsigned long)(size))
  72 #define xnfcalloc(_num, _size) XNFcalloc((unsigned long)(_num)*(unsigned long)(_size))
  73 #define xnfrealloc(ptr, size) XNFrealloc((pointer)(ptr), (unsigned long)(size))
  74
  75 #define xalloc(size) Xalloc((unsigned long)(size))
  76 #define xcalloc(_num, _size) Xcalloc((unsigned long)(_num)*(unsigned long)(_size))
  77 #define xrealloc(ptr, size) Xrealloc((pointer)(ptr), (unsigned long)(size))
  78 #define xfree(ptr) Xfree((pointer)(ptr))
  79 #define xstrdup(s) Xstrdup(s)
  80 #define xnfstrdup(s) XNFstrdup(s)
  81 #endif
  82
  83 #include <stdio.h>
  84 #include <stdarg.h>
  85
  86 #ifdef DDXBEFORERESET
  87 extern void ddxBeforeReset(void);
  88 #endif
  89
  90 #ifdef DDXOSVERRORF
  91 extern _X_EXPORT void (*OsVendorVErrorFProc) (const char *,
  92                                               va_list args)
  93 _X_ATTRIBUTE_PRINTF(1, 0);
  94 #endif
  95
  96 extern _X_EXPORT int WaitForSomething(int *     /*pClientsReady */
  97     );
  98
  99 extern _X_EXPORT int ReadRequestFromClient(ClientPtr /*client */ );
 100
 101 #if XTRANS_SEND_FDS
 102 extern _X_EXPORT int ReadFdFromClient(ClientPtr client);
 103
 104 extern _X_EXPORT int WriteFdToClient(ClientPtr client, int fd, Bool do_close);
 105 #endif
 106
 107 extern _X_EXPORT Bool InsertFakeRequest(ClientPtr /*client */ ,
 108                                         char * /*data */ ,
 109                                         int /*count */ );
 110
 111 extern _X_EXPORT void ResetCurrentRequest(ClientPtr /*client */ );
 112
 113 extern _X_EXPORT void FlushAllOutput(void);
 114
 115 extern _X_EXPORT void FlushIfCriticalOutputPending(void);
 116
 117 extern _X_EXPORT void SetCriticalOutputPending(void);
 118
 119 extern _X_EXPORT int WriteToClient(ClientPtr /*who */ , int /*count */ ,
 120                                    const void * /*buf */ );
 121
 122 extern _X_EXPORT void ResetOsBuffers(void);
 123
 124 extern _X_EXPORT void InitConnectionLimits(void);
 125
 126 extern _X_EXPORT void NotifyParentProcess(void);
 127
 128 extern _X_EXPORT void CreateWellKnownSockets(void);
 129
 130 extern _X_EXPORT void ResetWellKnownSockets(void);
 131
 132 extern _X_EXPORT void CloseWellKnownConnections(void);
 133
 134 extern _X_EXPORT XID AuthorizationIDOfClient(ClientPtr /*client */ );
 135
 136 extern _X_EXPORT const char *ClientAuthorized(ClientPtr /*client */ ,
 137                                               unsigned int /*proto_n */ ,
 138                                               char * /*auth_proto */ ,
 139                                               unsigned int /*string_n */ ,
 140                                               char * /*auth_string */ );
 141
 142 extern _X_EXPORT Bool EstablishNewConnections(ClientPtr /*clientUnused */ ,
 143                                               pointer /*closure */ );
 144
 145 extern _X_EXPORT void CheckConnections(void);
 146
 147 extern _X_EXPORT void CloseDownConnection(ClientPtr /*client */ );
 148
 149 extern _X_EXPORT void AddGeneralSocket(int /*fd */ );
 150
 151 extern _X_EXPORT void RemoveGeneralSocket(int /*fd */ );
 152
 153 extern _X_EXPORT void AddEnabledDevice(int /*fd */ );
 154
 155 extern _X_EXPORT void RemoveEnabledDevice(int /*fd */ );
 156
 157 extern _X_EXPORT int OnlyListenToOneClient(ClientPtr /*client */ );
 158
 159 extern _X_EXPORT void ListenToAllClients(void);
 160
 161 extern _X_EXPORT void IgnoreClient(ClientPtr /*client */ );
 162
 163 extern _X_EXPORT void AttendClient(ClientPtr /*client */ );
 164
 165 extern _X_EXPORT void MakeClientGrabImpervious(ClientPtr /*client */ );
 166
 167 extern _X_EXPORT void MakeClientGrabPervious(ClientPtr /*client */ );
 168
 169 #ifdef XQUARTZ
 170 extern void ListenOnOpenFD(int /* fd */ , int /* noxauth */ );
 171 #endif
 172
 173 extern _X_EXPORT CARD32 GetTimeInMillis(void);
 174 extern _X_EXPORT CARD64 GetTimeInMicros(void);
 175
 176 extern _X_EXPORT void AdjustWaitForDelay(pointer /*waitTime */ ,
 177                                          unsigned long /*newdelay */ );
 178
 179 typedef struct _OsTimerRec *OsTimerPtr;
 180
 181 typedef CARD32 (*OsTimerCallback) (OsTimerPtr /* timer */ ,
 182                                    CARD32 /* time */ ,
 183                                    pointer /* arg */ );
 184
 185 extern _X_EXPORT void TimerInit(void);
 186
 187 extern _X_EXPORT Bool TimerForce(OsTimerPtr /* timer */ );
 188
 189 #define TimerAbsolute (1<<0)
 190 #define TimerForceOld (1<<1)
 191
 192 extern _X_EXPORT OsTimerPtr TimerSet(OsTimerPtr /* timer */ ,
 193                                      int /* flags */ ,
 194                                      CARD32 /* millis */ ,
 195                                      OsTimerCallback /* func */ ,
 196                                      pointer /* arg */ );
 197
 198 extern _X_EXPORT void TimerCheck(void);
 199 extern _X_EXPORT void TimerCancel(OsTimerPtr /* pTimer */ );
 200 extern _X_EXPORT void TimerFree(OsTimerPtr /* pTimer */ );
 201
 202 extern _X_EXPORT void SetScreenSaverTimer(void);
 203 extern _X_EXPORT void FreeScreenSaverTimer(void);
 204
 205 extern _X_EXPORT void AutoResetServer(int /*sig */ );
 206
 207 extern _X_EXPORT void GiveUp(int /*sig */ );
 208
 209 extern _X_EXPORT void UseMsg(void);
 210
 211 extern _X_EXPORT void ProcessCommandLine(int /*argc */ , char * /*argv */ []);
 212
 213 extern _X_EXPORT int set_font_authorizations(char ** /* authorizations */ ,
 214                                              int * /*authlen */ ,
 215                                              pointer /* client */ );
 216
 217 #ifndef _HAVE_XALLOC_DECLS
 218 #define _HAVE_XALLOC_DECLS
 219
 220 /*
 221  * Use malloc(3) instead.
 222  */
 223 extern _X_EXPORT void *
 224 Xalloc(unsigned long /*amount */ ) _X_DEPRECATED;
 225
 226 /*
 227  * Use calloc(3) instead
 228  */
 229 extern _X_EXPORT void *
 230 Xcalloc(unsigned long /*amount */ ) _X_DEPRECATED;
 231
 232 /*
 233  * Use realloc(3) instead
 234  */
 235 extern _X_EXPORT void *
 236 Xrealloc(void * /*ptr */ , unsigned long /*amount */ )
 237  _X_DEPRECATED;
 238
 239 /*
 240  * Use free(3) instead
 241  */
 242 extern _X_EXPORT void
 243 Xfree(void * /*ptr */ )
 244     _X_DEPRECATED;
 245
 246 #endif
 247
 248 /*
 249  * This function malloc(3)s buffer, terminating the server if there is not
 250  * enough memory.
 251  */
 252 extern _X_EXPORT void *
 253 XNFalloc(unsigned long /*amount */ );
 254
 255 /*
 256  * This function calloc(3)s buffer, terminating the server if there is not
 257  * enough memory.
 258  */
 259 extern _X_EXPORT void *
 260 XNFcalloc(unsigned long /*amount */ );
 261
 262 /*
 263  * This function realloc(3)s passed buffer, terminating the server if there is
 264  * not enough memory.
 265  */
 266 extern _X_EXPORT void *
 267 XNFrealloc(void * /*ptr */ , unsigned long /*amount */ );
 268
 269 /*
 270  * This function strdup(3)s passed string. The only difference from the library
 271  * function that it is safe to pass NULL, as NULL will be returned.
 272  */
 273 extern _X_EXPORT char *
 274 Xstrdup(const char *s);
 275
 276 /*
 277  * This function strdup(3)s passed string, terminating the server if there is
 278  * not enough memory. If NULL is passed to this function, NULL is returned.
 279  */
 280 extern _X_EXPORT char *
 281 XNFstrdup(const char *s);
 282
 283 /* Include new X*asprintf API */
 284 #include "Xprintf.h"
 285
 286 /* Older api deprecated in favor of the asprintf versions */
 287 extern _X_EXPORT char *
 288 Xprintf(const char *fmt, ...)
 289 _X_ATTRIBUTE_PRINTF(1, 2)
 290     _X_DEPRECATED;
 291 extern _X_EXPORT char *
 292 Xvprintf(const char *fmt, va_list va)
 293 _X_ATTRIBUTE_PRINTF(1, 0)
 294     _X_DEPRECATED;
 295 extern _X_EXPORT char *
 296 XNFprintf(const char *fmt, ...)
 297 _X_ATTRIBUTE_PRINTF(1, 2)
 298     _X_DEPRECATED;
 299 extern _X_EXPORT char *
 300 XNFvprintf(const char *fmt, va_list va)
 301 _X_ATTRIBUTE_PRINTF(1, 0)
 302     _X_DEPRECATED;
 303
 304 typedef void (*OsSigHandlerPtr) (int /* sig */ );
 305 typedef int (*OsSigWrapperPtr) (int /* sig */ );
 306
 307 extern _X_EXPORT OsSigHandlerPtr
 308 OsSignal(int /* sig */ , OsSigHandlerPtr /* handler */ );
 309 extern _X_EXPORT OsSigWrapperPtr
 310 OsRegisterSigWrapper(OsSigWrapperPtr newWrap);
 311
 312 extern _X_EXPORT int auditTrailLevel;
 313
 314 extern _X_EXPORT void
 315 LockServer(void);
 316 extern _X_EXPORT void
 317 UnlockServer(void);
 318
 319 extern _X_EXPORT int
 320 OsLookupColor(int /*screen */ ,
 321               char * /*name */ ,
 322               unsigned /*len */ ,
 323               unsigned short * /*pred */ ,
 324               unsigned short * /*pgreen */ ,
 325               unsigned short * /*pblue */ );
 326
 327 extern _X_EXPORT void
 328 OsInit(void);
 329
 330 extern _X_EXPORT void
 331 OsCleanup(Bool);
 332
 333 extern _X_EXPORT void
 334 OsVendorFatalError(const char *f, va_list args)
 335 _X_ATTRIBUTE_PRINTF(1, 0);
 336
 337 extern _X_EXPORT void
 338 OsVendorInit(void);
 339
 340 extern _X_EXPORT void
 341 OsBlockSignals(void);
 342
 343 extern _X_EXPORT void
 344 OsReleaseSignals(void);
 345
 346 extern _X_EXPORT int
 347 OsBlockSIGIO(void);
 348
 349 extern _X_EXPORT void
 350 OsReleaseSIGIO(void);
 351
 352 extern void
 353 OsResetSignals(void);
 354
 355 extern _X_EXPORT void
 356 OsAbort(void)
 357     _X_NORETURN;
 358
 359 #if !defined(WIN32)
 360 extern _X_EXPORT int
 361 System(const char *);
 362 extern _X_EXPORT pointer
 363 Popen(const char *, const char *);
 364 extern _X_EXPORT int
 365 Pclose(pointer);
 366 extern _X_EXPORT pointer
 367 Fopen(const char *, const char *);
 368 extern _X_EXPORT int
 369 Fclose(pointer);
 370 #else
 371
 372 extern const char *
 373 Win32TempDir(void);
 374
 375 extern int
 376 System(const char *cmdline);
 377
 378 #define Fopen(a,b) fopen(a,b)
 379 #define Fclose(a) fclose(a)
 380 #endif
 381
 382 extern _X_EXPORT void
 383 CheckUserParameters(int argc, char **argv, char **envp);
 384 extern _X_EXPORT void
 385 CheckUserAuthorization(void);
 386
 387 extern _X_EXPORT int
 388 AddHost(ClientPtr /*client */ ,
 389         int /*family */ ,
 390         unsigned /*length */ ,
 391         const void * /*pAddr */ );
 392
 393 extern _X_EXPORT Bool
 394 ForEachHostInFamily(int /*family */ ,
 395                     Bool (* /*func */ )(
 396                                            unsigned char * /* addr */ ,
 397                                            short /* len */ ,
 398                                            pointer /* closure */ ),
 399                     pointer /*closure */ );
 400
 401 extern _X_EXPORT int
 402 RemoveHost(ClientPtr /*client */ ,
 403            int /*family */ ,
 404            unsigned /*length */ ,
 405            pointer /*pAddr */ );
 406
 407 extern _X_EXPORT int
 408 GetHosts(pointer * /*data */ ,
 409          int * /*pnHosts */ ,
 410          int * /*pLen */ ,
 411          BOOL * /*pEnabled */ );
 412
 413 typedef struct sockaddr *sockaddrPtr;
 414
 415 extern _X_EXPORT int
 416 InvalidHost(sockaddrPtr /*saddr */ , int /*len */ , ClientPtr client);
 417
 418 extern _X_EXPORT int
 419 LocalClientCred(ClientPtr, int *, int *);
 420
 421 #define LCC_UID_SET     (1 << 0)
 422 #define LCC_GID_SET     (1 << 1)
 423 #define LCC_PID_SET     (1 << 2)
 424 #define LCC_ZID_SET     (1 << 3)
 425
 426 typedef struct {
 427     int fieldsSet;              /* Bit mask of fields set */
 428     int euid;                   /* Effective uid */
 429     int egid;                   /* Primary effective group id */
 430     int nSuppGids;              /* Number of supplementary group ids */
 431     int *pSuppGids;             /* Array of supplementary group ids */
 432     int pid;                    /* Process id */
 433     int zoneid;                 /* Only set on Solaris 10 & later */
 434 } LocalClientCredRec;
 435
 436 extern _X_EXPORT int
 437 GetLocalClientCreds(ClientPtr, LocalClientCredRec **);
 438 extern _X_EXPORT void
 439 FreeLocalClientCreds(LocalClientCredRec *);
 440
 441 extern _X_EXPORT int
 442 ChangeAccessControl(ClientPtr /*client */ , int /*fEnabled */ );
 443
 444 extern _X_EXPORT int
 445 GetAccessControl(void);
 446
 447 extern _X_EXPORT void
 448 AddLocalHosts(void);
 449
 450 extern _X_EXPORT void
 451 ResetHosts(char *display);
 452
 453 extern _X_EXPORT void
 454 EnableLocalHost(void);
 455
 456 extern _X_EXPORT void
 457 DisableLocalHost(void);
 458
 459 extern _X_EXPORT void
 460 AccessUsingXdmcp(void);
 461
 462 extern _X_EXPORT void
 463 DefineSelf(int /*fd */ );
 464
 465 #if XDMCP
 466 extern _X_EXPORT void
 467 AugmentSelf(pointer /*from */ , int /*len */ );
 468
 469 extern _X_EXPORT void
 470 RegisterAuthorizations(void);
 471 #endif
 472
 473 extern _X_EXPORT void
 474 InitAuthorization(char * /*filename */ );
 475
 476 /* extern int LoadAuthorization(void); */
 477
 478 extern _X_EXPORT int
 479 AuthorizationFromID(XID id,
 480                     unsigned short *name_lenp,
 481                     const char **namep,
 482                     unsigned short *data_lenp, char **datap);
 483
 484 extern _X_EXPORT XID
 485 CheckAuthorization(unsigned int /*namelength */ ,
 486                    const char * /*name */ ,
 487                    unsigned int /*datalength */ ,
 488                    const char * /*data */ ,
 489                    ClientPtr /*client */ ,
 490                    const char **        /*reason */
 491     );
 492
 493 extern _X_EXPORT void
 494 ResetAuthorization(void);
 495
 496 extern _X_EXPORT int
 497 RemoveAuthorization(unsigned short name_length,
 498                     const char *name,
 499                     unsigned short data_length, const char *data);
 500
 501 extern _X_EXPORT int
 502 AddAuthorization(unsigned int /*name_length */ ,
 503                  const char * /*name */ ,
 504                  unsigned int /*data_length */ ,
 505                  char * /*data */ );
 506
 507 #ifdef XCSECURITY
 508 extern _X_EXPORT XID
 509 GenerateAuthorization(unsigned int /* name_length */ ,
 510                       const char * /* name */ ,
 511                       unsigned int /* data_length */ ,
 512                       const char * /* data */ ,
 513                       unsigned int * /* data_length_return */ ,
 514                       char ** /* data_return */ );
 515 #endif
 516
 517 extern _X_EXPORT int
 518 ddxProcessArgument(int /*argc */ , char * /*argv */ [], int /*i */ );
 519
 520 extern _X_EXPORT void
 521 ddxUseMsg(void);
 522
 523 /* stuff for ReplyCallback */
 524 extern _X_EXPORT CallbackListPtr ReplyCallback;
 525 typedef struct {
 526     ClientPtr client;
 527     const void *replyData;
 528     unsigned long dataLenBytes; /* actual bytes from replyData + pad bytes */
 529     unsigned long bytesRemaining;
 530     Bool startOfReply;
 531     unsigned long padBytes;     /* pad bytes from zeroed array */
 532 } ReplyInfoRec;
 533
 534 /* stuff for FlushCallback */
 535 extern _X_EXPORT CallbackListPtr FlushCallback;
 536
 537 enum ExitCode {
 538     EXIT_NO_ERROR = 0,
 539     EXIT_ERR_ABORT = 1,
 540     EXIT_ERR_CONFIGURE = 2,
 541     EXIT_ERR_DRIVERS = 3,
 542 };
 543
 544 extern _X_EXPORT void
 545 AbortDDX(enum ExitCode error);
 546 extern _X_EXPORT void
 547 ddxGiveUp(enum ExitCode error);
 548 extern _X_EXPORT int
 549 TimeSinceLastInputEvent(void);
 550
 551 /* strcasecmp.c */
 552 #ifndef HAVE_STRCASECMP
 553 #define strcasecmp xstrcasecmp
 554 extern _X_EXPORT int
 555 xstrcasecmp(const char *s1, const char *s2);
 556 #endif
 557
 558 #ifndef HAVE_STRNCASECMP
 559 #define strncasecmp xstrncasecmp
 560 extern _X_EXPORT int
 561 xstrncasecmp(const char *s1, const char *s2, size_t n);
 562 #endif
 563
 564 #ifndef HAVE_STRCASESTR
 565 #define strcasestr xstrcasestr
 566 extern _X_EXPORT char *
 567 xstrcasestr(const char *s, const char *find);
 568 #endif
 569
 570 #ifndef HAVE_STRLCPY
 571 extern _X_EXPORT size_t
 572 strlcpy(char *dst, const char *src, size_t siz);
 573 extern _X_EXPORT size_t
 574 strlcat(char *dst, const char *src, size_t siz);
 575 #endif
 576
 577 #ifndef HAVE_STRNDUP
 578 extern _X_EXPORT char *
 579 strndup(const char *str, size_t n);
 580 #endif
 581
 582 /* Logging. */
 583 typedef enum _LogParameter {
 584     XLOG_FLUSH,
 585     XLOG_SYNC,
 586     XLOG_VERBOSITY,
 587     XLOG_FILE_VERBOSITY
 588 } LogParameter;
 589
 590 /* Flags for log messages. */
 591 typedef enum {
 592     X_PROBED,                   /* Value was probed */
 593     X_CONFIG,                   /* Value was given in the config file */
 594     X_DEFAULT,                  /* Value is a default */
 595     X_CMDLINE,                  /* Value was given on the command line */
 596     X_NOTICE,                   /* Notice */
 597     X_ERROR,                    /* Error message */
 598     X_WARNING,                  /* Warning message */
 599     X_INFO,                     /* Informational message */
 600     X_NONE,                     /* No prefix */
 601     X_NOT_IMPLEMENTED,          /* Not implemented */
 602     X_DEBUG,                    /* Debug message */
 603     X_UNKNOWN = -1              /* unknown -- this must always be last */
 604 } MessageType;
 605
 606 extern _X_EXPORT const char *
 607 LogInit(const char *fname, const char *backup);
 608 extern _X_EXPORT void
 609 LogClose(enum ExitCode error);
 610 extern _X_EXPORT Bool
 611 LogSetParameter(LogParameter param, int value);
 612 extern _X_EXPORT void
 613 LogVWrite(int verb, const char *f, va_list args)
 614 _X_ATTRIBUTE_PRINTF(2, 0);
 615 extern _X_EXPORT void
 616 LogWrite(int verb, const char *f, ...)
 617 _X_ATTRIBUTE_PRINTF(2, 3);
 618 extern _X_EXPORT void
 619 LogVMessageVerb(MessageType type, int verb, const char *format, va_list args)
 620 _X_ATTRIBUTE_PRINTF(3, 0);
 621 extern _X_EXPORT void
 622 LogMessageVerb(MessageType type, int verb, const char *format, ...)
 623 _X_ATTRIBUTE_PRINTF(3, 4);
 624 extern _X_EXPORT void
 625 LogMessage(MessageType type, const char *format, ...)
 626 _X_ATTRIBUTE_PRINTF(2, 3);
 627 extern _X_EXPORT void
 628 LogMessageVerbSigSafe(MessageType type, int verb, const char *format, ...)
 629 _X_ATTRIBUTE_PRINTF(3, 4);
 630 extern _X_EXPORT void
 631 LogVMessageVerbSigSafe(MessageType type, int verb, const char *format, va_list args)
 632 _X_ATTRIBUTE_PRINTF(3, 0);
 633
 634 extern _X_EXPORT void
 635 LogVHdrMessageVerb(MessageType type, int verb,
 636                    const char *msg_format, va_list msg_args,
 637                    const char *hdr_format, va_list hdr_args)
 638 _X_ATTRIBUTE_PRINTF(3, 0)
 639 _X_ATTRIBUTE_PRINTF(5, 0);
 640 extern _X_EXPORT void
 641 LogHdrMessageVerb(MessageType type, int verb,
 642                   const char *msg_format, va_list msg_args,
 643                   const char *hdr_format, ...)
 644 _X_ATTRIBUTE_PRINTF(3, 0)
 645 _X_ATTRIBUTE_PRINTF(5, 6);
 646 extern _X_EXPORT void
 647 LogHdrMessage(MessageType type, const char *msg_format,
 648               va_list msg_args, const char *hdr_format, ...)
 649 _X_ATTRIBUTE_PRINTF(2, 0)
 650 _X_ATTRIBUTE_PRINTF(4, 5);
 651
 652 extern _X_EXPORT void
 653 FreeAuditTimer(void);
 654 extern _X_EXPORT void
 655 AuditF(const char *f, ...)
 656 _X_ATTRIBUTE_PRINTF(1, 2);
 657 extern _X_EXPORT void
 658 VAuditF(const char *f, va_list args)
 659 _X_ATTRIBUTE_PRINTF(1, 0);
 660 extern _X_EXPORT void
 661 FatalError(const char *f, ...)
 662 _X_ATTRIBUTE_PRINTF(1, 2)
 663     _X_NORETURN;
 664
 665 #ifdef DEBUG
 666 #define DebugF ErrorF
 667 #else
 668 #define DebugF(...)             /* */
 669 #endif
 670
 671 extern _X_EXPORT void
 672 VErrorF(const char *f, va_list args)
 673 _X_ATTRIBUTE_PRINTF(1, 0);
 674 extern _X_EXPORT void
 675 ErrorF(const char *f, ...)
 676 _X_ATTRIBUTE_PRINTF(1, 2);
 677 extern _X_EXPORT void
 678 VErrorFSigSafe(const char *f, va_list args)
 679 _X_ATTRIBUTE_PRINTF(1, 0);
 680 extern _X_EXPORT void
 681 ErrorFSigSafe(const char *f, ...)
 682 _X_ATTRIBUTE_PRINTF(1, 2);
 683 extern _X_EXPORT void
 684 LogPrintMarkers(void);
 685
 686 extern _X_EXPORT void
 687 xorg_backtrace(void);
 688
 689 extern _X_EXPORT int
 690 os_move_fd(int fd);
 691
 692 #endif                          /* OS_H */