--- MiNT/src/file.h	2018/04/24 17:55:53	1.1.1.2
+++ MiNT/src/file.h	2018/04/24 17:58:54	1.1.1.6
@@ -1,6 +1,10 @@
 /*
 
-Copyright 1991,1992 Eric R. Smith. All rights reserved.
+Copyright 1991,1992 Eric R. Smith.
+
+Copyright 1992,1993,1994 Atari Corporation.
+
+All rights reserved.
 
 */
 
@@ -16,6 +20,8 @@ struct filesys;		/* forward declaration
 
 struct devdrv;		/* ditto */
 
+struct timeout;		/* and ditto */
+
 
 
 typedef struct f_cookie {
@@ -62,7 +68,7 @@ typedef struct dtabuf {
 
 	long	dta_size;
 
-	char	dta_name[TOS_NAMELEN];
+	char	dta_name[TOS_NAMELEN+1];
 
 } DTABUF;
 
@@ -84,6 +90,10 @@ typedef struct dirstruct {
 
 				/* NOTE: this must be at least 45 bytes */
 
+	struct dirstruct *next;	/* linked together so we can close them
+
+				   on process termination */
+
 } DIR;
 
 
@@ -104,9 +114,9 @@ typedef struct xattr {
 
 #define S_IFREG 0100000		/* regular file */
 
-#define S_IFIFO 0120000		/* FIFO */
+#define S_IFIFO	0120000		/* FIFO */
 
-#define S_IMEM	0140000		/* memory region or process */
+#define S_IFMEM	0140000		/* memory region or process */
 
 #define S_IFLNK	0160000		/* symbolic link */
 
@@ -150,7 +160,7 @@ typedef struct xattr {
 
 	ushort	dev;
 
-	ushort	reserved1;
+	ushort	rdev;		/* "real" device */
 
 	ushort	nlink;
 
@@ -274,7 +284,23 @@ typedef struct devdrv {
 
 	long ARGS_ON_STACK (*select)	P_((FILEPTR *f, long proc, int mode));
 
-	void ARGS_ON_STACK (*unselect) P_((FILEPTR *f, long proc, int mode));
+	void ARGS_ON_STACK (*unselect)	P_((FILEPTR *f, long proc, int mode));
+
+/* extensions, check dev_descr.drvsize (size of DEVDRV struct) before calling:
+
+ * fast RAW tty byte io  */
+
+	long ARGS_ON_STACK (*writeb)	P_((FILEPTR *f, const char *buf, long bytes));
+
+	long ARGS_ON_STACK (*readb)	P_((FILEPTR *f, char *buf, long bytes));
+
+/* what about: scatter/gather io for DMA devices...
+
+ *	long ARGS_ON_STACK (*writev)	P_((FILEPTR *f, const struct iovec *iov, long cnt));
+
+ *	long ARGS_ON_STACK (*readv)	P_((FILEPTR *f, const struct iovec *iov, long cnt));
+
+ */
 
 } DEVDRV;
 
@@ -292,7 +318,9 @@ typedef struct filesys {
 
 #define FS_NOXBIT	0x04	/* if a file can be read, it can be executed */
 
+#define	FS_LONGPATH	0x08	/* file system understands "size" argument to
 
+				   "getname" */
 
 	long	ARGS_ON_STACK (*root) P_((int drv, fcookie *fc));
 
@@ -318,7 +346,9 @@ typedef struct filesys {
 
 	long	ARGS_ON_STACK (*remove) P_((fcookie *dir, const char *name));
 
-	long	ARGS_ON_STACK (*getname) P_((fcookie *relto, fcookie *dir, char *pathname));
+	long	ARGS_ON_STACK (*getname) P_((fcookie *relto, fcookie *dir,
+
+			    char *pathname, int size));
 
 	long	ARGS_ON_STACK (*rename) P_((fcookie *olddir, char *oldname,
 
@@ -352,7 +382,9 @@ typedef struct filesys {
 
 	long	ARGS_ON_STACK (*dskchng) P_((int drv));
 
-	long	zero;
+	long	ARGS_ON_STACK (*release) P_((fcookie *));
+
+	long	ARGS_ON_STACK (*dupcookie) P_((fcookie *new, fcookie *old));
 
 } FILESYS;
 
@@ -402,7 +434,7 @@ struct kerinfo {
 
 	void	ARGS_ON_STACK (*alert) P_((const char *, ...));
 
-	EXITING void ARGS_ON_STACK (*fatal) P_((const char *, ...));
+	EXITING void ARGS_ON_STACK (*fatal) P_((const char *, ...)) NORETURN;
 
 
 
@@ -450,7 +482,7 @@ struct kerinfo {
 
 	void	ARGS_ON_STACK (*nap) P_((unsigned));
 
-	void	ARGS_ON_STACK (*sleep) P_((int que, long cond));
+	int	ARGS_ON_STACK (*sleep) P_((int que, long cond));
 
 	void	ARGS_ON_STACK (*wake) P_((int que, long cond));
 
@@ -462,13 +494,33 @@ struct kerinfo {
 
 	int	ARGS_ON_STACK (*denyshare) P_((FILEPTR *, FILEPTR *));
 
+	LOCK *	ARGS_ON_STACK (*denylock) P_((LOCK *, LOCK *));
 
 
-/* reserved for future use */
 
-	LOCK *	ARGS_ON_STACK (*denylock) P_((LOCK *, LOCK *));
+/* functions for adding/cancelling timeouts */
+
+	struct timeout * ARGS_ON_STACK (*addtimeout) P_((long, void (*)()));
+
+	void	ARGS_ON_STACK (*canceltimeout) P_((struct timeout *));
 
-	long	res2[9];
+	struct timeout * ARGS_ON_STACK (*addroottimeout) P_((long, void (*)(), short));
+
+	void	ARGS_ON_STACK (*cancelroottimeout) P_((struct timeout *));
+
+
+
+/* miscellaneous other things */
+
+	long	ARGS_ON_STACK (*ikill) P_((int, int));
+
+	void	ARGS_ON_STACK (*iwake) P_((int que, long cond, short pid));
+
+
+
+/* reserved for future use */
+
+	long	res2[3];
 
 };
 
@@ -588,7 +640,57 @@ struct kerinfo {
 
 #	define	DP_CASEINSENS	2	/* case insensitive, preserved */
 
-#define DP_MAXREQ	6	/* highest legal request */
+#define DP_MODEATTR		7
+
+#	define	DP_ATTRBITS	0x000000ffL	/* mask for valid TOS attribs */
+
+#	define	DP_MODEBITS	0x000fff00L	/* mask for valid Unix file modes */
+
+#	define	DP_FILETYPS	0xfff00000L	/* mask for valid file types */
+
+#	define	DP_FT_DIR	0x00100000L	/* directories (always if . is there) */
+
+#	define	DP_FT_CHR	0x00200000L	/* character special files */
+
+#	define	DP_FT_BLK	0x00400000L	/* block special files, currently unused */
+
+#	define	DP_FT_REG	0x00800000L	/* regular files */
+
+#	define	DP_FT_LNK	0x01000000L	/* symbolic links */
+
+#	define	DP_FT_SOCK	0x02000000L	/* sockets, currently unused */
+
+#	define	DP_FT_FIFO	0x04000000L	/* pipes */
+
+#	define	DP_FT_MEM	0x08000000L	/* shared memory or proc files */
+
+#define DP_XATTRFIELDS	8
+
+#	define	DP_INDEX	0x0001
+
+#	define	DP_DEV		0x0002
+
+#	define	DP_RDEV		0x0004
+
+#	define	DP_NLINK	0x0008
+
+#	define	DP_UID		0x0010
+
+#	define	DP_GID		0x0020
+
+#	define	DP_BLKSIZE	0x0040
+
+#	define	DP_SIZE		0x0080
+
+#	define	DP_NBLOCKS	0x0100
+
+#	define	DP_ATIME	0x0200
+
+#	define	DP_CTIME	0x0400
+
+#	define	DP_MTIME	0x0800
+
+#define DP_MAXREQ	8	/* highest legal request */
 
 
 
@@ -654,11 +756,11 @@ struct kerinfo {
 
 #define FIONWRITE	(('F'<< 8) | 2)
 
-#define TIOCGETP	(('T'<< 8) | 0)
+#define FIOEXCEPT	(('F'<< 8) | 5)
 
-#define TIOCSETP	(('T'<< 8) | 1)
+#define TIOCGETP	(('T'<< 8) | 0)
 
-#define TIOCSETN	TIOCSETP
+#define TIOCSETN	(('T'<< 8) | 1)
 
 #define TIOCGETC	(('T'<< 8) | 2)
 
@@ -698,6 +800,28 @@ struct kerinfo {
 
 #define TIOCSFLAGS	(('T'<< 8) | 23)
 
+#define TIOCOUTQ	(('T'<< 8) | 24)
+
+#define TIOCSETP	(('T'<< 8) | 25)
+
+#define TIOCHPCL	(('T'<< 8) | 26)
+
+#define TIOCCAR		(('T'<< 8) | 27)
+
+#define TIOCNCAR	(('T'<< 8) | 28)
+
+#define TIOCWONLINE	(('T'<< 8) | 29)
+
+#define TIOCSFLAGSB	(('T'<< 8) | 30)
+
+#define TIOCGSTATE	(('T'<< 8) | 31)
+
+#define TIOCSSTATEB	(('T'<< 8) | 32)
+
+#define TIOCGVMIN	(('T'<< 8) | 33)
+
+#define TIOCSVMIN	(('T'<< 8) | 34)
+
 
 
 /* cursor control Fcntls:
@@ -758,6 +882,26 @@ struct kerinfo {
 
 #define PTRACE11	(('P'<< 8) | 11)
 
+#define PLOADINFO	(('P'<< 8) | 12)
+
+#define	PFSTAT		(('P'<< 8) | 13)
+
+
+
+struct ploadinfo {
+
+	/* passed */
+
+	short fnamelen;
+
+	/* returned */
+
+	char *cmdlin, *fname;
+
+};
+
+
+
 
 
 #define SHMGETBLK	(('M'<< 8) | 0)
@@ -794,7 +938,11 @@ struct kerinfo {
 
 					   cursor keys, etc. */
 
-/* 0x0400 and 0x0800 still available */
+#define T_ECHOCTL	0x0400		/* echo ctl chars as ^x */
+
+/* 0x0800 still available */
+
+
 
 #define T_TANDEM	0x1000
 
@@ -812,6 +960,16 @@ struct kerinfo {
 
 /* some flags for TIOC[GS]FLAGS */
 
+#define TF_CAR		0x800		/* nonlocal mode, require carrier */
+
+#define TF_NLOCAL	TF_CAR
+
+
+
+#define TF_BRKINT	0x80		/* allow breaks interrupt (like ^C) */
+
+
+
 #define TF_STOPBITS	0x0003
 
 #define TF_1STOP	0x0001
@@ -844,8 +1002,14 @@ struct kerinfo {
 
 #define TS_ESC		0x00ff
 
+#define TS_BLIND	0x800		/* tty is `blind' i.e. has no carrier
+
+					   (cleared in local mode) */
+
 #define TS_HOLD		0x1000		/* hold (e.g. ^S/^Q) */
 
+#define TS_HPCL		0x4000		/* hang up on close */
+
 #define TS_COOKED	0x8000		/* interpret control chars */
 
 
@@ -936,7 +1100,9 @@ struct tty {
 
 	short		use_cnt;	/* number of times terminal is open */
 
-	short		res1;		/* reserved for future expansion */
+	short		aux_cnt;	/* number of times terminal is open as
+
+					   /dev/aux */
 
 	struct sgttyb 	sg;
 
@@ -952,7 +1118,43 @@ struct tty {
 
 	char		*xkey;		/* extended keyboard table */
 
-	long		resrvd[3];	/* for future expansion */
+	long		hup_ospeed;	/* saved ospeed while hanging up */
+
+	unsigned short	vmin, vtime;	/* min chars, timeout for RAW reads */
+
+	long		resrvd[1];	/* for future expansion */
+
+};
+
+
+
+struct bios_tty {
+
+	IOREC_T		*irec;		/* From XBIOS ... */
+
+	long		*rsel;		/* pointer to field in tty struct */
+
+	IOREC_T		*orec;		/* Same, for output... */
+
+	long		*wsel;
+
+	long		ispeed, ospeed;	/* last speeds set */
+
+	long		*baudmap, maxbaud; /* Rsconf baud word <-> bps table */
+
+	short		*baudx;
+
+	struct tty	*tty;
+
+	long		bticks;		/* when to take a break for real */
+
+	long		vticks;		/* ..check read buf next (vmin/speed) */
+
+	char		clocal, brkint;	/* flags: local mode, break == ^C */
+
+	short		tosfd;		/* if != EUNDEV: fd to pass Fcntl()s */
+
+	short		bdev, unused1;
 
 };
 
@@ -978,7 +1180,39 @@ struct dev_descr {
 
 	struct tty *tty;
 
-	long	reserved[4];
+	long	drvsize;		/* size of DEVDRV struct */
+
+	long	reserved[3];
+
+};
+
+
+
+
+
+#define FS_INSTALL    0xf001  /* let the kernel know about the file system */
+
+#define FS_MOUNT      0xf002  /* make a new directory for a file system */
+
+#define FS_UNMOUNT    0xf003  /* remove a directory for a file system */
+
+#define FS_UNINSTALL  0xf004  /* remove a file system from the list */
+
+
+
+
+
+struct fs_descr
+
+{
+
+	FILESYS *file_system;
+
+	short dev_no;    /* this is filled in by MiNT if arg == FS_MOUNT*/
+
+	long flags;
+
+	long reserved[4];
 
 };
 
@@ -1012,7 +1246,19 @@ struct dev_descr {
 
 
 
-#define PROC_BASE_DEV 0xA000
+/* various fields for the "rdev" device numbers */
+
+#define BIOS_DRIVE_RDEV 	0x0000
+
+#define BIOS_RDEV	0x0100
+
+#define FAKE_RDEV	0x0200
+
+#define PIPE_RDEV	0x7e00
+
+#define UNK_RDEV	0x7f00
+
+#define PROC_RDEV_BASE	0xa000
 
 
 
@@ -1026,11 +1272,43 @@ extern FILESYS *drives[NUM_DRIVES];
 
 extern struct tty default_tty;
 
-extern char follow_links[];
+#define follow_links ((char *)-1L)
 
 #endif
 
 
 
+/* internal bios file structure */
+
+
+
+#define	BNAME_MAX	13
+
+
+
+struct bios_file {
+
+	char 	name[BNAME_MAX+1];	/* device name */
+
+	DEVDRV *device;			/* device driver for device */
+
+	short	private;		/* extra info for device driver */
+
+	ushort	flags;			/* flags for device open */
+
+	struct tty *tty;		/* tty structure (if appropriate) */
+
+	struct bios_file *next;
+
+	short	lockpid;		/* owner of the lock */
+
+	XATTR	xattr;			/* guess what... */
+
+	long	drvsize;		/* size of DEVDRV struct */
+
+};
+
+
+
 #endif /* _filesys_h */