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source: vbox/trunk/src/VBox/Additions/x11/x11include/xorg-server-1.10.0/os.h@ 37801

最後變更 在這個檔案從37801是 36308,由 vboxsync 提交於 14 年 前

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