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1.1 root 1: /*
2:
1.1.1.3 ! root 3: Copyright 1991,1992 Eric R. Smith.
! 4:
! 5: Copyright 1992 Atari Corporation.
! 6:
! 7: All rights reserved.
1.1 root 8:
9: */
10:
11:
12:
13: #ifndef _filesys_h
14:
15: #define _filesys_h
16:
17:
18:
19: struct filesys; /* forward declaration */
20:
21: struct devdrv; /* ditto */
22:
23:
24:
25: typedef struct f_cookie {
26:
27: struct filesys *fs; /* filesystem that knows about this cookie */
28:
29: ushort dev; /* device info (e.g. Rwabs device number) */
30:
31: ushort aux; /* extra data that the file system may want */
32:
33: long index; /* this+dev uniquely identifies a file */
34:
35: } fcookie;
36:
37:
38:
39: #define TOS_NAMELEN 13
40:
41:
42:
43: typedef struct dtabuf {
44:
45: short index; /* index into arrays in the PROC struct */
46:
47: long magic;
48:
1.1.1.2 root 49: #define SVALID 0x1234fedcL /* magic for a valid search */
1.1 root 50:
1.1.1.2 root 51: #define EVALID 0x5678ba90L /* magic for an exhausted search */
1.1 root 52:
53:
54:
55: char dta_pat[TOS_NAMELEN+1]; /* pointer to pattern, if necessary */
56:
57: char dta_sattrib; /* attributes being searched for */
58:
59: /* this stuff is returned to the user */
60:
61: char dta_attrib;
62:
63: short dta_time;
64:
65: short dta_date;
66:
67: long dta_size;
68:
1.1.1.3 ! root 69: char dta_name[TOS_NAMELEN+1];
1.1 root 70:
71: } DTABUF;
72:
73:
74:
75: /* structure for opendir/readdir/closedir */
76:
77: typedef struct dirstruct {
78:
79: fcookie fc; /* cookie for this directory */
80:
81: ushort index; /* index of the current entry */
82:
83: ushort flags; /* flags (e.g. tos or not) */
84:
85: #define TOS_SEARCH 0x01
86:
87: char fsstuff[60]; /* anything else the file system wants */
88:
89: /* NOTE: this must be at least 45 bytes */
90:
1.1.1.3 ! root 91: struct dirstruct *next; /* linked together so we can close them
! 92:
! 93: on process termination */
! 94:
1.1 root 95: } DIR;
96:
97:
98:
99: /* structure for getxattr */
100:
101: typedef struct xattr {
102:
103: ushort mode;
104:
105: /* file types */
106:
107: #define S_IFMT 0170000 /* mask to select file type */
108:
109: #define S_IFCHR 0020000 /* BIOS special file */
110:
111: #define S_IFDIR 0040000 /* directory file */
112:
113: #define S_IFREG 0100000 /* regular file */
114:
115: #define S_IFIFO 0120000 /* FIFO */
116:
117: #define S_IMEM 0140000 /* memory region or process */
118:
119: #define S_IFLNK 0160000 /* symbolic link */
120:
121:
122:
123: /* special bits: setuid, setgid, sticky bit */
124:
125: #define S_ISUID 04000
126:
127: #define S_ISGID 02000
128:
129: #define S_ISVTX 01000
130:
131:
132:
133: /* file access modes for user, group, and other*/
134:
135: #define S_IRUSR 0400
136:
137: #define S_IWUSR 0200
138:
139: #define S_IXUSR 0100
140:
141: #define S_IRGRP 0040
142:
143: #define S_IWGRP 0020
144:
145: #define S_IXGRP 0010
146:
147: #define S_IROTH 0004
148:
149: #define S_IWOTH 0002
150:
151: #define S_IXOTH 0001
152:
153: #define DEFAULT_DIRMODE (0777)
154:
155: #define DEFAULT_MODE (0666)
156:
157: long index;
158:
159: ushort dev;
160:
161: ushort reserved1;
162:
163: ushort nlink;
164:
165: ushort uid;
166:
167: ushort gid;
168:
169: long size;
170:
171: long blksize;
172:
173: long nblocks;
174:
175: short mtime, mdate;
176:
177: short atime, adate;
178:
179: short ctime, cdate;
180:
181: short attr;
182:
183: /* defines for TOS attribute bytes */
184:
185: #ifndef FA_RDONLY
186:
187: #define FA_RDONLY 0x01
188:
189: #define FA_HIDDEN 0x02
190:
191: #define FA_SYSTEM 0x04
192:
193: #define FA_LABEL 0x08
194:
195: #define FA_DIR 0x10
196:
197: #define FA_CHANGED 0x20
198:
199: #endif
200:
201: short reserved2;
202:
203: long reserved3[2];
204:
205: } XATTR;
206:
207:
208:
209: typedef struct fileptr {
210:
211: short links; /* number of copies of this descriptor */
212:
213: ushort flags; /* file open mode and other file flags */
214:
215: long pos; /* position in file */
216:
217: long devinfo; /* device driver specific info */
218:
219: fcookie fc; /* file system cookie for this file */
220:
221: struct devdrv *dev; /* device driver that knows how to deal with this */
222:
223: struct fileptr *next; /* link to next fileptr for this file */
224:
225: } FILEPTR;
226:
227:
228:
229: struct flock {
230:
231: short l_type; /* type of lock */
232:
233: #define F_RDLCK 0
234:
235: #define F_WRLCK 1
236:
237: #define F_UNLCK 3
238:
239: short l_whence; /* SEEK_SET, SEEK_CUR, SEEK_END */
240:
241: long l_start; /* start of locked region */
242:
243: long l_len; /* length of locked region */
244:
245: short l_pid; /* pid of locking process
246:
247: (F_GETLK only) */
248:
249: };
250:
251:
252:
253: /* structure for internal kernel locks */
254:
255: typedef struct ilock {
256:
257: struct flock l; /* the actual lock */
258:
259: struct ilock *next; /* next lock in the list */
260:
261: long reserved[4]; /* reserved for future expansion */
262:
263: } LOCK;
264:
265:
266:
267: typedef struct devdrv {
268:
1.1.1.2 root 269: long ARGS_ON_STACK (*open) P_((FILEPTR *f));
1.1 root 270:
1.1.1.2 root 271: long ARGS_ON_STACK (*write) P_((FILEPTR *f, const char *buf, long bytes));
1.1 root 272:
1.1.1.2 root 273: long ARGS_ON_STACK (*read) P_((FILEPTR *f, char *buf, long bytes));
1.1 root 274:
1.1.1.2 root 275: long ARGS_ON_STACK (*lseek) P_((FILEPTR *f, long where, int whence));
1.1 root 276:
1.1.1.2 root 277: long ARGS_ON_STACK (*ioctl) P_((FILEPTR *f, int mode, void *buf));
1.1 root 278:
1.1.1.2 root 279: long ARGS_ON_STACK (*datime) P_((FILEPTR *f, short *timeptr, int rwflag));
1.1 root 280:
1.1.1.2 root 281: long ARGS_ON_STACK (*close) P_((FILEPTR *f, int pid));
1.1 root 282:
1.1.1.2 root 283: long ARGS_ON_STACK (*select) P_((FILEPTR *f, long proc, int mode));
1.1 root 284:
1.1.1.2 root 285: void ARGS_ON_STACK (*unselect) P_((FILEPTR *f, long proc, int mode));
1.1 root 286:
287: } DEVDRV;
288:
289:
290:
291: typedef struct filesys {
292:
293: struct filesys *next; /* link to next file system on chain */
294:
295: long fsflags;
296:
297: #define FS_KNOPARSE 0x01 /* kernel shouldn't do parsing */
298:
299: #define FS_CASESENSITIVE 0x02 /* file names are case sensitive */
300:
301: #define FS_NOXBIT 0x04 /* if a file can be read, it can be executed */
302:
1.1.1.3 ! root 303: #define FS_LONGPATH 0x08 /* file system understands "size" argument to
1.1 root 304:
1.1.1.3 ! root 305: "getname" */
1.1 root 306:
1.1.1.2 root 307: long ARGS_ON_STACK (*root) P_((int drv, fcookie *fc));
1.1 root 308:
1.1.1.2 root 309: long ARGS_ON_STACK (*lookup) P_((fcookie *dir, const char *name, fcookie *fc));
1.1 root 310:
1.1.1.2 root 311: long ARGS_ON_STACK (*creat) P_((fcookie *dir, const char *name, unsigned mode,
1.1 root 312:
313: int attrib, fcookie *fc));
314:
1.1.1.2 root 315: DEVDRV * ARGS_ON_STACK (*getdev) P_((fcookie *fc, long *devspecial));
1.1 root 316:
1.1.1.2 root 317: long ARGS_ON_STACK (*getxattr) P_((fcookie *file, XATTR *xattr));
1.1 root 318:
1.1.1.2 root 319: long ARGS_ON_STACK (*chattr) P_((fcookie *file, int attr));
1.1 root 320:
1.1.1.2 root 321: long ARGS_ON_STACK (*chown) P_((fcookie *file, int uid, int gid));
1.1 root 322:
1.1.1.2 root 323: long ARGS_ON_STACK (*chmode) P_((fcookie *file, unsigned mode));
1.1 root 324:
1.1.1.2 root 325: long ARGS_ON_STACK (*mkdir) P_((fcookie *dir, const char *name, unsigned mode));
1.1 root 326:
1.1.1.2 root 327: long ARGS_ON_STACK (*rmdir) P_((fcookie *dir, const char *name));
1.1 root 328:
1.1.1.2 root 329: long ARGS_ON_STACK (*remove) P_((fcookie *dir, const char *name));
1.1 root 330:
1.1.1.3 ! root 331: long ARGS_ON_STACK (*getname) P_((fcookie *relto, fcookie *dir,
! 332:
! 333: char *pathname, int size));
1.1 root 334:
1.1.1.2 root 335: long ARGS_ON_STACK (*rename) P_((fcookie *olddir, char *oldname,
1.1 root 336:
337: fcookie *newdir, const char *newname));
338:
1.1.1.2 root 339: long ARGS_ON_STACK (*opendir) P_((DIR *dirh, int tosflag));
1.1 root 340:
1.1.1.2 root 341: long ARGS_ON_STACK (*readdir) P_((DIR *dirh, char *name, int namelen, fcookie *fc));
1.1 root 342:
1.1.1.2 root 343: long ARGS_ON_STACK (*rewinddir) P_((DIR *dirh));
1.1 root 344:
1.1.1.2 root 345: long ARGS_ON_STACK (*closedir) P_((DIR *dirh));
1.1 root 346:
1.1.1.2 root 347: long ARGS_ON_STACK (*pathconf) P_((fcookie *dir, int which));
1.1 root 348:
1.1.1.2 root 349: long ARGS_ON_STACK (*dfree) P_((fcookie *dir, long *buf));
1.1 root 350:
1.1.1.2 root 351: long ARGS_ON_STACK (*writelabel) P_((fcookie *dir, const char *name));
1.1 root 352:
1.1.1.2 root 353: long ARGS_ON_STACK (*readlabel) P_((fcookie *dir, char *name, int namelen));
1.1 root 354:
1.1.1.2 root 355: long ARGS_ON_STACK (*symlink) P_((fcookie *dir, const char *name, const char *to));
1.1 root 356:
1.1.1.2 root 357: long ARGS_ON_STACK (*readlink) P_((fcookie *dir, char *buf, int len));
1.1 root 358:
1.1.1.2 root 359: long ARGS_ON_STACK (*hardlink) P_((fcookie *fromdir, const char *fromname,
1.1 root 360:
361: fcookie *todir, const char *toname));
362:
1.1.1.2 root 363: long ARGS_ON_STACK (*fscntl) P_((fcookie *dir, const char *name, int cmd, long arg));
1.1 root 364:
1.1.1.2 root 365: long ARGS_ON_STACK (*dskchng) P_((int drv));
1.1 root 366:
1.1.1.3 ! root 367: long ARGS_ON_STACK (*release) P_((fcookie *));
! 368:
! 369: long ARGS_ON_STACK (*dupcookie) P_((fcookie *new, fcookie *old));
1.1 root 370:
371: } FILESYS;
372:
373:
374:
375: /*
376:
377: * this is the structure passed to loaded file systems to tell them
378:
379: * about the kernel
380:
381: */
382:
383:
384:
385: struct kerinfo {
386:
387: short maj_version; /* kernel version number */
388:
389: short min_version; /* minor kernel version number */
390:
391: ushort default_perm; /* default file permissions */
392:
393: short reserved1; /* room for expansion */
394:
395:
396:
397: /* OS functions */
398:
399: Func *bios_tab; /* pointer to the BIOS entry points */
400:
401: Func *dos_tab; /* pointer to the GEMDOS entry points */
402:
403:
404:
405: /* media change vector */
406:
1.1.1.2 root 407: void ARGS_ON_STACK (*drvchng) P_((unsigned));
1.1 root 408:
409:
410:
411: /* Debugging stuff */
412:
1.1.1.2 root 413: void ARGS_ON_STACK (*trace) P_((const char *, ...));
1.1 root 414:
1.1.1.2 root 415: void ARGS_ON_STACK (*debug) P_((const char *, ...));
1.1 root 416:
1.1.1.2 root 417: void ARGS_ON_STACK (*alert) P_((const char *, ...));
1.1 root 418:
1.1.1.2 root 419: EXITING void ARGS_ON_STACK (*fatal) P_((const char *, ...));
1.1 root 420:
421:
422:
423: /* memory allocation functions */
424:
1.1.1.2 root 425: void * ARGS_ON_STACK (*kmalloc) P_((long));
1.1 root 426:
1.1.1.2 root 427: void ARGS_ON_STACK (*kfree) P_((void *));
1.1 root 428:
1.1.1.2 root 429: void * ARGS_ON_STACK (*umalloc) P_((long));
1.1 root 430:
1.1.1.2 root 431: void ARGS_ON_STACK (*ufree) P_((void *));
1.1 root 432:
433:
434:
435: /* utility functions for string manipulation */
436:
1.1.1.2 root 437: int ARGS_ON_STACK (*strnicmp) P_((const char *, const char *, int));
1.1 root 438:
1.1.1.2 root 439: int ARGS_ON_STACK (*stricmp) P_((const char *, const char *));
1.1 root 440:
1.1.1.2 root 441: char * ARGS_ON_STACK (*strlwr) P_((char *));
1.1 root 442:
1.1.1.2 root 443: char * ARGS_ON_STACK (*strupr) P_((char *));
1.1 root 444:
1.1.1.2 root 445: int ARGS_ON_STACK (*sprintf) P_((char *, const char *, ...));
1.1 root 446:
447:
448:
449: /* utility functions for manipulating time */
450:
1.1.1.2 root 451: void ARGS_ON_STACK (*millis_time) P_((unsigned long, short *));
1.1 root 452:
1.1.1.2 root 453: long ARGS_ON_STACK (*unixtim) P_((unsigned, unsigned));
1.1 root 454:
1.1.1.2 root 455: long ARGS_ON_STACK (*dostim) P_((long));
1.1 root 456:
457:
458:
459: /* utility functions for dealing with pauses, or for putting processes
460:
461: * to sleep
462:
463: */
464:
1.1.1.2 root 465: void ARGS_ON_STACK (*nap) P_((unsigned));
1.1 root 466:
1.1.1.2 root 467: void ARGS_ON_STACK (*sleep) P_((int que, long cond));
1.1 root 468:
1.1.1.2 root 469: void ARGS_ON_STACK (*wake) P_((int que, long cond));
1.1 root 470:
1.1.1.2 root 471: void ARGS_ON_STACK (*wakeselect) P_((long param));
1.1 root 472:
473:
474:
475: /* file system utility functions */
476:
1.1.1.2 root 477: int ARGS_ON_STACK (*denyshare) P_((FILEPTR *, FILEPTR *));
1.1 root 478:
479:
480:
481: /* reserved for future use */
482:
1.1.1.2 root 483: LOCK * ARGS_ON_STACK (*denylock) P_((LOCK *, LOCK *));
1.1 root 484:
485: long res2[9];
486:
487: };
488:
489:
490:
491: /* flags for open() modes */
492:
493: #define O_RWMODE 0x03 /* isolates file read/write mode */
494:
495: # define O_RDONLY 0x00
496:
497: # define O_WRONLY 0x01
498:
499: # define O_RDWR 0x02
500:
501: # define O_EXEC 0x03 /* execute file; used by kernel only */
502:
503:
504:
505: /* 0x04 is for future expansion */
506:
507: #define O_APPEND 0x08 /* all writes go to end of file */
508:
509:
510:
511: #define O_SHMODE 0x70 /* isolates file sharing mode */
512:
513: # define O_COMPAT 0x00 /* compatibility mode */
514:
515: # define O_DENYRW 0x10 /* deny both read and write access */
516:
517: # define O_DENYW 0x20 /* deny write access to others */
518:
519: # define O_DENYR 0x30 /* deny read access to others */
520:
521: # define O_DENYNONE 0x40 /* don't deny any access to others */
522:
523:
524:
525: #define O_NOINHERIT 0x80 /* private file (not passed to child) */
526:
527:
528:
529: #define O_NDELAY 0x100 /* don't block for i/o on this file */
530:
531: #define O_CREAT 0x200 /* create file if it doesn't exist */
532:
533: #define O_TRUNC 0x400 /* truncate file to 0 bytes if it does exist */
534:
535: #define O_EXCL 0x800 /* fail open if file exists */
536:
537:
538:
539: #define O_USER 0x0fff /* isolates user-settable flag bits */
540:
541:
542:
543: #define O_GLOBAL 0x1000 /* for opening a global file */
544:
545:
546:
547: /* kernel mode bits -- the user can't set these! */
548:
549: #define O_TTY 0x2000
550:
551: #define O_HEAD 0x4000
552:
553: #define O_LOCK 0x8000
554:
555:
556:
557: /* GEMDOS file attributes */
558:
559:
560:
561: /* macros to be applied to FILEPTRS to determine their type */
562:
563: #define is_terminal(f) (f->flags & O_TTY)
564:
565:
566:
567: /* lseek() origins */
568:
569: #define SEEK_SET 0 /* from beginning of file */
570:
571: #define SEEK_CUR 1 /* from current location */
572:
573: #define SEEK_END 2 /* from end of file */
574:
575:
576:
577: /* The requests for Dpathconf() */
578:
579: #define DP_IOPEN 0 /* internal limit on # of open files */
580:
581: #define DP_MAXLINKS 1 /* max number of hard links to a file */
582:
583: #define DP_PATHMAX 2 /* max path name length */
584:
585: #define DP_NAMEMAX 3 /* max length of an individual file name */
586:
587: #define DP_ATOMIC 4 /* # of bytes that can be written atomically */
588:
589: #define DP_TRUNC 5 /* file name truncation behavior */
590:
591: # define DP_NOTRUNC 0 /* long filenames give an error */
592:
593: # define DP_AUTOTRUNC 1 /* long filenames truncated */
594:
595: # define DP_DOSTRUNC 2 /* DOS truncation rules in effect */
596:
597: #define DP_CASE 6
598:
599: # define DP_CASESENS 0 /* case sensitive */
600:
601: # define DP_CASECONV 1 /* case always converted */
602:
603: # define DP_CASEINSENS 2 /* case insensitive, preserved */
604:
605: #define DP_MAXREQ 6 /* highest legal request */
606:
607:
608:
609: /* Dpathconf and Sysconf return this when a value is not limited
610:
611: (or is limited only by available memory) */
612:
613:
614:
615: #define UNLIMITED 0x7fffffffL
616:
617:
618:
619: /* various character constants and defines for TTY's */
620:
621: #define MiNTEOF 0x0000ff1a /* 1a == ^Z */
622:
623:
624:
625: /* defines for tty_read */
626:
627: #define RAW 0
628:
629: #define COOKED 0x1
630:
631: #define NOECHO 0
632:
633: #define ECHO 0x2
634:
635: #define ESCSEQ 0x04 /* cursor keys, etc. get escape sequences */
636:
637:
638:
639: /* constants for Fcntl calls */
640:
641: #define F_DUPFD 0 /* handled by kernel */
642:
643: #define F_GETFD 1 /* handled by kernel */
644:
645: #define F_SETFD 2 /* handled by kernel */
646:
647: # define FD_CLOEXEC 1 /* close on exec flag */
648:
649:
650:
651: #define F_GETFL 3 /* handled by kernel */
652:
653: #define F_SETFL 4 /* handled by kernel */
654:
655: #define F_GETLK 5
656:
657: #define F_SETLK 6
658:
1.1.1.2 root 659: #define F_SETLKW 7
660:
1.1 root 661:
662:
663: /* more constants for various Fcntl's */
664:
665: #define FSTAT (('F'<< 8) | 0) /* handled by kernel */
666:
667: #define FIONREAD (('F'<< 8) | 1)
668:
669: #define FIONWRITE (('F'<< 8) | 2)
670:
671: #define TIOCGETP (('T'<< 8) | 0)
672:
673: #define TIOCSETP (('T'<< 8) | 1)
674:
675: #define TIOCSETN TIOCSETP
676:
677: #define TIOCGETC (('T'<< 8) | 2)
678:
679: #define TIOCSETC (('T'<< 8) | 3)
680:
681: #define TIOCGLTC (('T'<< 8) | 4)
682:
683: #define TIOCSLTC (('T'<< 8) | 5)
684:
685: #define TIOCGPGRP (('T'<< 8) | 6)
686:
687: #define TIOCSPGRP (('T'<< 8) | 7)
688:
689: #define TIOCFLUSH (('T'<< 8) | 8)
690:
691: #define TIOCSTOP (('T'<< 8) | 9)
692:
693: #define TIOCSTART (('T'<< 8) | 10)
694:
695: #define TIOCGWINSZ (('T'<< 8) | 11)
696:
697: #define TIOCSWINSZ (('T'<< 8) | 12)
698:
699: #define TIOCGXKEY (('T'<< 8) | 13)
700:
701: #define TIOCSXKEY (('T'<< 8) | 14)
702:
703: #define TIOCIBAUD (('T'<< 8) | 18)
704:
705: #define TIOCOBAUD (('T'<< 8) | 19)
706:
707: #define TIOCCBRK (('T'<< 8) | 20)
708:
709: #define TIOCSBRK (('T'<< 8) | 21)
710:
711: #define TIOCGFLAGS (('T'<< 8) | 22)
712:
713: #define TIOCSFLAGS (('T'<< 8) | 23)
714:
715:
716:
1.1.1.2 root 717: /* cursor control Fcntls:
718:
719: * NOTE THAT THESE MUST BE TOGETHER
720:
721: */
722:
723: #define TCURSOFF (('c'<< 8) | 0)
724:
725: #define TCURSON (('c'<< 8) | 1)
726:
727: #define TCURSBLINK (('c'<< 8) | 2)
728:
729: #define TCURSSTEADY (('c'<< 8) | 3)
730:
731: #define TCURSSRATE (('c'<< 8) | 4)
732:
733: #define TCURSGRATE (('c'<< 8) | 5)
734:
735:
736:
737: /* process stuff */
738:
1.1 root 739: #define PPROCADDR (('P'<< 8) | 1)
740:
741: #define PBASEADDR (('P'<< 8) | 2)
742:
743: #define PCTXTSIZE (('P'<< 8) | 3)
744:
745: #define PSETFLAGS (('P'<< 8) | 4)
746:
747: #define PGETFLAGS (('P'<< 8) | 5)
748:
1.1.1.2 root 749: #define PTRACESFLAGS (('P'<< 8) | 6)
750:
751: #define PTRACEGFLAGS (('P'<< 8) | 7)
752:
753: # define P_ENABLE (1 << 0) /* enable tracing */
754:
755: #ifdef NOTYETDEFINED
756:
757: # define P_DOS (1 << 1) /* trace DOS calls - unimplemented */
758:
759: # define P_BIOS (1 << 2) /* trace BIOS calls - unimplemented */
760:
761: # define P_XBIOS (1 << 3) /* trace XBIOS calls - unimplemented */
762:
763: #endif
764:
765:
766:
767: #define PTRACEGO (('P'<< 8) | 8) /* these 4 must be together */
768:
769: #define PTRACEFLOW (('P'<< 8) | 9)
770:
771: #define PTRACESTEP (('P'<< 8) | 10)
772:
773: #define PTRACE11 (('P'<< 8) | 11)
774:
1.1 root 775:
776:
777: #define SHMGETBLK (('M'<< 8) | 0)
778:
779: #define SHMSETBLK (('M'<< 8) | 1)
780:
781:
782:
783: /* terminal control constants (tty.sg_flags) */
784:
785: #define T_CRMOD 0x0001
786:
787: #define T_CBREAK 0x0002
788:
789: #define T_ECHO 0x0004
790:
791: /* #define T_XTABS 0x0008 unimplemented*/
792:
793: #define T_RAW 0x0010
794:
795: /* #define T_LCASE 0x0020 unimplemented */
796:
797:
798:
799: #define T_NOFLSH 0x0040 /* don't flush buffer when signals
800:
801: are received */
802:
803: #define T_TOS 0x0080
804:
805: #define T_TOSTOP 0x0100
806:
807: #define T_XKEY 0x0200 /* Fread returns escape sequences for
808:
809: cursor keys, etc. */
810:
811: /* 0x0400 and 0x0800 still available */
812:
813: #define T_TANDEM 0x1000
814:
815: #define T_RTSCTS 0x2000
816:
817: #define T_EVENP 0x4000 /* EVENP and ODDP are mutually exclusive */
818:
819: #define T_ODDP 0x8000
820:
821:
822:
823: #define TF_FLAGS 0xF000
824:
825:
826:
827: /* some flags for TIOC[GS]FLAGS */
828:
829: #define TF_STOPBITS 0x0003
830:
831: #define TF_1STOP 0x0001
832:
833: #define TF_15STOP 0x0002
834:
835: #define TF_2STOP 0x0003
836:
837:
838:
839: #define TF_CHARBITS 0x000C
840:
841: #define TF_8BIT 0
842:
843: #define TF_7BIT 0x4
844:
845: #define TF_6BIT 0x8
846:
847: #define TF_5BIT 0xC
848:
849:
850:
851: /* the following are terminal status flags (tty.state) */
852:
853: /* (the low byte of tty.state indicates a part of an escape sequence still
854:
855: * hasn't been read by Fread, and is an index into that escape sequence)
856:
857: */
858:
859: #define TS_ESC 0x00ff
860:
861: #define TS_HOLD 0x1000 /* hold (e.g. ^S/^Q) */
862:
863: #define TS_COOKED 0x8000 /* interpret control chars */
864:
865:
866:
867: /* structures for terminals */
868:
869: struct tchars {
870:
871: char t_intrc;
872:
873: char t_quitc;
874:
875: char t_startc;
876:
877: char t_stopc;
878:
879: char t_eofc;
880:
881: char t_brkc;
882:
883: };
884:
885:
886:
887: struct ltchars {
888:
889: char t_suspc;
890:
891: char t_dsuspc;
892:
893: char t_rprntc;
894:
895: char t_flushc;
896:
897: char t_werasc;
898:
899: char t_lnextc;
900:
901: };
902:
903:
904:
905: struct sgttyb {
906:
907: char sg_ispeed;
908:
909: char sg_ospeed;
910:
911: char sg_erase;
912:
913: char sg_kill;
914:
915: ushort sg_flags;
916:
917: };
918:
919:
920:
921: struct winsize {
922:
923: short ws_row;
924:
925: short ws_col;
926:
927: short ws_xpixel;
928:
929: short ws_ypixel;
930:
931: };
932:
933:
934:
935: struct xkey {
936:
937: short xk_num;
938:
939: char xk_def[8];
940:
941: };
942:
943:
944:
945: struct tty {
946:
947: short pgrp; /* process group of terminal */
948:
949: short state; /* terminal status, e.g. stopped */
950:
951: short use_cnt; /* number of times terminal is open */
952:
953: short res1; /* reserved for future expansion */
954:
955: struct sgttyb sg;
956:
957: struct tchars tc;
958:
959: struct ltchars ltc;
960:
961: struct winsize wsiz;
962:
963: long rsel; /* selecting process for read */
964:
965: long wsel; /* selecting process for write */
966:
967: char *xkey; /* extended keyboard table */
968:
969: long resrvd[3]; /* for future expansion */
970:
971: };
972:
973:
974:
975: /* Dcntl constants and types */
976:
977: #define DEV_NEWTTY 0xde00
978:
979: #define DEV_NEWBIOS 0xde01
980:
981: #define DEV_INSTALL 0xde02
982:
983:
984:
985: struct dev_descr {
986:
987: DEVDRV *driver;
988:
989: short dinfo;
990:
991: short flags;
992:
993: struct tty *tty;
994:
995: long reserved[4];
996:
997: };
998:
999:
1000:
1001:
1002:
1.1.1.2 root 1003: /* number of BIOS drives */
1.1 root 1004:
1005: #define NUM_DRIVES 32
1006:
1007:
1008:
1.1.1.2 root 1009: #define BIOSDRV (NUM_DRIVES)
1010:
1011: #define PIPEDRV (NUM_DRIVES+1)
1.1 root 1012:
1.1.1.2 root 1013: #define PROCDRV (NUM_DRIVES+2)
1.1 root 1014:
1.1.1.2 root 1015: #define SHMDRV (NUM_DRIVES+3)
1.1 root 1016:
1.1.1.2 root 1017:
1018:
1019: #define UNI_NUM_DRVS (NUM_DRIVES+4)
1.1 root 1020:
1021: #define UNIDRV ('U'-'A')
1022:
1023:
1024:
1.1.1.2 root 1025: #define PSEUDODRVS ((1L<<UNIDRV))
1.1 root 1026:
1027:
1028:
1029: #define PROC_BASE_DEV 0xA000
1030:
1031:
1032:
1.1.1.2 root 1033: #ifndef GENMAGIC
1034:
1035: /* external variables */
1036:
1037:
1038:
1039: extern FILESYS *drives[NUM_DRIVES];
1.1 root 1040:
1041: extern struct tty default_tty;
1042:
1043: extern char follow_links[];
1044:
1.1.1.2 root 1045: #endif
1046:
1.1 root 1047:
1048:
1049: #endif /* _filesys_h */
1050:
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