/usr/include/x86_64-linux-gnu/nx-X11/os.h is in libnx-x11-dev 2:3.5.99.16-1.
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Copyright 1987, 1998 The Open Group
Permission to use, copy, modify, distribute, and sell this software and its
documentation for any purpose is hereby granted without fee, provided that
the above copyright notice appear in all copies and that both that
copyright notice and this permission notice appear in supporting
documentation.
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Except as contained in this notice, the name of The Open Group shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from The Open Group.
Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
All Rights Reserved
Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in
supporting documentation, and that the name of Digital not be
used in advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
SOFTWARE.
******************************************************************/
#ifndef OS_H
#define OS_H
#include "misc.h"
#include <stdarg.h>
#define NullFID ((FID) 0)
#define SCREEN_SAVER_ON 0
#define SCREEN_SAVER_OFF 1
#define SCREEN_SAVER_FORCER 2
#define SCREEN_SAVER_CYCLE 3
#ifndef MAX_REQUEST_SIZE
#define MAX_REQUEST_SIZE 65535
#endif
#ifndef MAX_BIG_REQUEST_SIZE
#define MAX_BIG_REQUEST_SIZE 4194303
#endif
typedef void * FID;
typedef struct _FontPathRec *FontPathPtr;
typedef struct _NewClientRec *NewClientPtr;
#ifndef xnfalloc
#define xnfalloc(size) XNFalloc((unsigned long)(size))
#define xnfcalloc(_num, _size) XNFcalloc((unsigned long)(_num)*(unsigned long)(_size))
#define xnfrealloc(ptr, size) XNFrealloc((void *)(ptr), (unsigned long)(size))
#define xstrdup(s) Xstrdup(s)
#define xnfstrdup(s) XNFstrdup(s)
#define xallocarray(num, size) reallocarray(NULL, (num), (size))
#endif
#ifdef __SCO__
#include <stdio.h>
#endif
#include <string.h>
/* have to put $(SIGNAL_DEFINES) in DEFINES in Imakefile to get this right */
#ifdef SIGNALRETURNSINT
#define SIGVAL int
#else
#define SIGVAL void
#endif
extern void (*OsVendorVErrorFProc)(const char *, va_list args);
extern int WaitForSomething(
int* /*pClientsReady*/
);
extern int ReadRequestFromClient(ClientPtr /*client*/);
extern Bool InsertFakeRequest(
ClientPtr /*client*/,
char* /*data*/,
int /*count*/);
extern void ResetCurrentRequest(ClientPtr /*client*/);
extern void FlushAllOutput(void);
extern void FlushIfCriticalOutputPending(void);
extern void SetCriticalOutputPending(void);
extern int WriteToClient(ClientPtr /*who*/, int /*count*/, const void* /*__buf*/);
extern void ResetOsBuffers(void);
extern void InitConnectionLimits(void);
extern void NotifyParentProcess(void);
extern void CreateWellKnownSockets(void);
extern void ResetWellKnownSockets(void);
extern void CloseWellKnownConnections(void);
extern XID AuthorizationIDOfClient(ClientPtr /*client*/);
extern char *ClientAuthorized(
ClientPtr /*client*/,
unsigned int /*proto_n*/,
char* /*auth_proto*/,
unsigned int /*string_n*/,
char* /*auth_string*/);
extern void CheckConnections(void);
extern void CloseDownConnection(ClientPtr /*client*/);
typedef void (*NotifyFdProcPtr)(int fd, int ready, void *data);
#define X_NOTIFY_NONE 0
#define X_NOTIFY_READ 1
#define X_NOTIFY_WRITE 2
extern Bool SetNotifyFd(int fd, NotifyFdProcPtr notify_fd, int mask, void *data);
static inline void RemoveNotifyFd(int fd)
{
(void) SetNotifyFd(fd, NULL, X_NOTIFY_NONE, NULL);
}
extern void OnlyListenToOneClient(ClientPtr /*client*/);
extern void ListenToAllClients(void);
extern void IgnoreClient(ClientPtr /*client*/);
extern void AttendClient(ClientPtr /*client*/);
extern void MakeClientGrabImpervious(ClientPtr /*client*/);
extern void MakeClientGrabPervious(ClientPtr /*client*/);
extern void AvailableClientInput(ClientPtr /* client */);
extern CARD32 GetTimeInMillis(void);
extern void AdjustWaitForDelay(
void * /*waitTime*/,
unsigned long /*newdelay*/);
typedef struct _OsTimerRec *OsTimerPtr;
typedef CARD32 (*OsTimerCallback)(
OsTimerPtr /* timer */,
CARD32 /* time */,
void * /* arg */);
extern void TimerInit(void);
extern Bool TimerForce(OsTimerPtr /* timer */);
#define TimerAbsolute (1<<0)
#define TimerForceOld (1<<1)
extern OsTimerPtr TimerSet(
OsTimerPtr /* timer */,
int /* flags */,
CARD32 /* millis */,
OsTimerCallback /* func */,
void * /* arg */);
extern void TimerCheck(void);
extern void TimerCancel(OsTimerPtr /* pTimer */);
extern void TimerFree(OsTimerPtr /* pTimer */);
extern void SetScreenSaverTimer(void);
extern void FreeScreenSaverTimer(void);
#ifdef DPMSExtension
extern void SetDPMSTimers(void);
extern void FreeDPMSTimers(void);
#endif
extern SIGVAL AutoResetServer(int /*sig*/);
extern SIGVAL GiveUp(int /*sig*/);
extern void UseMsg(void);
extern void InitGlobals(void);
extern void ProcessCommandLine(int /*argc*/, char* /*argv*/[]);
extern int set_font_authorizations(
char ** /* authorizations */,
int * /*authlen */,
void * /* client */);
extern void * XNFalloc(unsigned long /*amount*/);
extern void * XNFcalloc(unsigned long /*amount*/);
extern void * XNFrealloc(void * /*ptr*/, unsigned long /*amount*/);
extern void OsInitAllocator(void);
extern char *Xstrdup(const char *s);
extern char *XNFstrdup(const char *s);
/* Include new X*asprintf API */
#include "Xprintf.h"
/* Older api deprecated in favor of the asprintf versions */
extern _X_EXPORT char *Xprintf(const char *fmt, ...) _X_ATTRIBUTE_PRINTF(1,2) _X_DEPRECATED;
extern _X_EXPORT char *Xvprintf(const char *fmt, va_list va)_X_ATTRIBUTE_PRINTF(1,0) _X_DEPRECATED;
extern _X_EXPORT char *XNFprintf(const char *fmt, ...) _X_ATTRIBUTE_PRINTF(1,2) _X_DEPRECATED;
extern _X_EXPORT char *XNFvprintf(const char *fmt, va_list va)_X_ATTRIBUTE_PRINTF(1,0) _X_DEPRECATED;
typedef SIGVAL (*OsSigHandlerPtr)(int /* sig */);
extern OsSigHandlerPtr OsSignal(int /* sig */, OsSigHandlerPtr /* handler */);
extern int auditTrailLevel;
#ifdef SERVER_LOCK
extern void LockServer(void);
extern void UnlockServer(void);
#endif
extern int OsLookupColor(
int /*screen*/,
char * /*name*/,
unsigned /*len*/,
unsigned short * /*pred*/,
unsigned short * /*pgreen*/,
unsigned short * /*pblue*/);
extern void OsInit(void);
extern void OsCleanup(Bool);
extern void OsVendorFatalError(void);
extern void OsVendorInit(void);
extern int OsInitColors(void);
void OsBlockSignals (void);
void OsReleaseSignals (void);
#if !defined(WIN32)
extern int System(char *);
extern void * Popen(char *, char *);
extern int Pclose(void *);
extern void * Fopen(char *, char *);
extern int Fclose(void *);
#else
#define System(a) system(a)
#define Popen(a,b) popen(a,b)
#define Pclose(a) pclose(a)
#define Fopen(a,b) fopen(a,b)
#define Fclose(a) fclose(a)
#endif
extern void CheckUserParameters(int argc, char **argv, char **envp);
extern void CheckUserAuthorization(void);
extern int AddHost(
ClientPtr /*client*/,
int /*family*/,
unsigned /*length*/,
void * /*pAddr*/);
extern Bool ForEachHostInFamily (
int /*family*/,
Bool (* /*func*/ )(
unsigned char * /* addr */,
short /* len */,
void * /* closure */),
void * /*closure*/);
extern int RemoveHost(
ClientPtr /*client*/,
int /*family*/,
unsigned /*length*/,
void * /*pAddr*/);
extern int GetHosts(
void ** /*data*/,
int * /*pnHosts*/,
int * /*pLen*/,
BOOL * /*pEnabled*/);
typedef struct sockaddr * sockaddrPtr;
extern int InvalidHost(sockaddrPtr /*saddr*/, int /*len*/, ClientPtr client);
extern int LocalClientCred(ClientPtr, int *, int *);
#define LCC_UID_SET (1 << 0)
#define LCC_GID_SET (1 << 1)
#define LCC_PID_SET (1 << 2)
#define LCC_ZID_SET (1 << 3)
typedef struct {
int fieldsSet; /* Bit mask of fields set */
int euid; /* Effective uid */
int egid; /* Primary effective group id */
int nSuppGids; /* Number of supplementary group ids */
int *pSuppGids; /* Array of supplementary group ids */
int pid; /* Process id */
int zoneid; /* Only set on Solaris 10 & later */
} LocalClientCredRec;
extern int GetLocalClientCreds(ClientPtr, LocalClientCredRec **);
extern void FreeLocalClientCreds(LocalClientCredRec *);
extern int ChangeAccessControl(ClientPtr /*client*/, int /*fEnabled*/);
extern int GetAccessControl(void);
extern void AddLocalHosts(void);
extern void ResetHosts(char *display);
extern void EnableLocalHost(void);
extern void DisableLocalHost(void);
extern void AccessUsingXdmcp(void);
extern void DefineSelf(int /*fd*/);
extern void AugmentSelf(void * /*from*/, int /*len*/);
extern void InitAuthorization(char * /*filename*/);
/* extern int LoadAuthorization(void); */
extern void RegisterAuthorizations(void);
extern XID AuthorizationToID (
unsigned short name_length,
char *name,
unsigned short data_length,
char *data);
extern int AuthorizationFromID (
XID id,
unsigned short *name_lenp,
char **namep,
unsigned short *data_lenp,
char **datap);
extern XID CheckAuthorization(
unsigned int /*namelength*/,
char * /*name*/,
unsigned int /*datalength*/,
char * /*data*/,
ClientPtr /*client*/,
char ** /*reason*/
);
extern void ResetAuthorization(void);
extern int RemoveAuthorization (
unsigned short name_length,
char *name,
unsigned short data_length,
char *data);
extern int AddAuthorization(
unsigned int /*name_length*/,
char * /*name*/,
unsigned int /*data_length*/,
char * /*data*/);
extern XID GenerateAuthorization(
unsigned int /* name_length */,
char * /* name */,
unsigned int /* data_length */,
char * /* data */,
unsigned int * /* data_length_return */,
char ** /* data_return */);
#ifdef COMMANDLINE_CHALLENGED_OPERATING_SYSTEMS
extern void ExpandCommandLine(int * /*pargc*/, char *** /*pargv*/);
#endif
extern void ddxInitGlobals(void);
extern int ddxProcessArgument(int /*argc*/, char * /*argv*/ [], int /*i*/);
extern void ddxUseMsg(void);
/*
* idiom processing stuff
*/
extern xReqPtr PeekNextRequest(xReqPtr req, ClientPtr client, Bool readmore);
extern void SkipRequests(xReqPtr req, ClientPtr client, int numskipped);
/* int ReqLen(xReq *req, ClientPtr client)
* Given a pointer to a *complete* request, return its length in bytes.
* Note that if the request is a big request (as defined in the Big
* Requests extension), the macro lies by returning 4 less than the
* length that it actually occupies in the request buffer. This is so you
* can blindly compare the length with the various sz_<request> constants
* in Xproto.h without having to know/care about big requests.
*/
#define ReqLen(_pxReq, _client) \
((_pxReq->length ? \
(_client->swapped ? lswaps(_pxReq->length) : _pxReq->length) \
: ((_client->swapped ? \
lswapl(((CARD32*)_pxReq)[1]) : ((CARD32*)_pxReq)[1])-1) \
) << 2)
/* otherReqTypePtr CastxReq(xReq *req, otherReqTypePtr)
* Cast the given request to one of type otherReqTypePtr to access
* fields beyond the length field.
*/
#define CastxReq(_pxReq, otherReqTypePtr) \
(_pxReq->length ? (otherReqTypePtr)_pxReq \
: (otherReqTypePtr)(((CARD32*)_pxReq)+1))
/* stuff for SkippedRequestsCallback */
extern CallbackListPtr SkippedRequestsCallback;
typedef struct {
xReqPtr req;
ClientPtr client;
int numskipped;
} SkippedRequestInfoRec;
/* stuff for ReplyCallback */
extern CallbackListPtr ReplyCallback;
typedef struct {
ClientPtr client;
const void * replyData;
unsigned long dataLenBytes;
unsigned long bytesRemaining;
Bool startOfReply;
} ReplyInfoRec;
/* stuff for FlushCallback */
extern CallbackListPtr FlushCallback;
extern void AbortDDX(void);
extern void ddxGiveUp(void);
extern int TimeSinceLastInputEvent(void);
#ifndef HAVE_REALLOCARRAY
#define reallocarray xreallocarray
extern _X_EXPORT void *
reallocarray(void *optr, size_t nmemb, size_t size);
#endif
#ifndef HAVE_STRLCPY
extern _X_EXPORT size_t
strlcpy(char *dst, const char *src, size_t siz);
extern _X_EXPORT size_t
strlcat(char *dst, const char *src, size_t siz);
#endif
#ifndef HAVE_TIMINGSAFE_MEMCMP
extern _X_EXPORT int
timingsafe_memcmp(const void *b1, const void *b2, size_t len);
#endif
/* Logging. */
typedef enum _LogParameter {
XLOG_FLUSH,
XLOG_SYNC,
XLOG_VERBOSITY,
XLOG_FILE_VERBOSITY
} LogParameter;
/* Flags for log messages. */
typedef enum {
X_PROBED, /* Value was probed */
X_CONFIG, /* Value was given in the config file */
X_DEFAULT, /* Value is a default */
X_CMDLINE, /* Value was given on the command line */
X_NOTICE, /* Notice */
X_ERROR, /* Error message */
X_WARNING, /* Warning message */
X_INFO, /* Informational message */
X_NONE, /* No prefix */
X_NOT_IMPLEMENTED, /* Not implemented */
X_UNKNOWN = -1 /* unknown -- this must always be last */
} MessageType;
/* XXX Need to check which GCC versions have the format(printf) attribute. */
#if defined(__GNUC__) && \
((__GNUC__ > 2) || ((__GNUC__ == 2) && (__GNUC_MINOR__ > 4)))
#define _printf_attribute(a,b) __attribute((format(__printf__,a,b)))
#else
#define _printf_attribute(a,b) /**/
#endif
extern const char *LogInit(const char *fname, const char *backup);
extern void LogSetDisplay(void);
extern void LogClose(void);
extern Bool LogSetParameter(LogParameter param, int value);
extern void LogVWrite(int verb, const char *f, va_list args);
extern void LogWrite(int verb, const char *f, ...) _printf_attribute(2,3);
extern void LogVMessageVerb(MessageType type, int verb, const char *format,
va_list args);
extern void LogMessageVerb(MessageType type, int verb, const char *format,
...) _printf_attribute(3,4);
extern void LogMessage(MessageType type, const char *format, ...)
_printf_attribute(2,3);
extern void FreeAuditTimer(void);
extern void AuditF(const char *f, ...) _printf_attribute(1,2);
extern void VAuditF(const char *f, va_list args);
extern void FatalError(const char *f, ...) _printf_attribute(1,2)
#if defined(__GNUC__) && \
((__GNUC__ > 2) || ((__GNUC__ == 2) && (__GNUC_MINOR__ > 4)))
__attribute((noreturn))
#endif
;
extern void VErrorF(const char *f, va_list args);
extern void ErrorF(const char *f, ...) _printf_attribute(1,2);
extern void Error(char *str);
extern void LogPrintMarkers(void);
#if defined(NEED_SNPRINTF)
extern int snprintf(char *str, size_t size, const char *format, ...)
_printf_attribute(3,4);
extern int vsnprintf(char *str, size_t size, const char *format, va_list ap);
#endif
#endif /* OS_H */
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