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/* devices.h
Copyright 2002 Red Hat, Inc.
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
/* Change this if we use another size for devices */
#define FHDEV(maj, min) ((((unsigned) (maj)) << 16) | (unsigned) (min))
typedef unsigned short _major_t;
typedef unsigned short _minor_t;
typedef unsigned char _devtype_t;
typedef __dev32_t _dev_t;
enum fh_devices
{
/* "Slow" devices */
FH_TTY = FHDEV (5, 0),
FH_CONSOLE = FHDEV (5, 1),
FH_CONIN = FHDEV (5, 512),
FH_CONOUT = FHDEV (5, 513),
FH_PTYM = FHDEV (5, 2), /* /dev/ptmx */
DEV_TTYM_MAJOR = 128,
FH_TTYM = FHDEV (128, 0),
FH_TTYM_MAX= FHDEV (128, 255),
DEV_TTYS_MAJOR = 136,
FH_TTYS = FHDEV (DEV_TTYS_MAJOR, 0), /* FIXME: Should separate ttys and ptys */
FH_TTYS_MAX= FHDEV (DEV_TTYS_MAJOR, 255), /* FIXME: Should separate ttys and ptys */
DEV_SERIAL_MAJOR = 117,
FH_SERIAL = FHDEV (117, 0), /* /dev/ttyS? */
FH_PIPE = FHDEV (0, 512),
FH_PIPER = FHDEV (0, 513),
FH_PIPEW = FHDEV (0, 514),
FH_FIFO = FHDEV (0, 515),
FH_SOCKET = FHDEV (0, 516),
FH_WINDOWS = FHDEV (13, 512),
/* Fast devices */
FH_FS = FHDEV (0, 517), /* filesystem based device */
DEV_FLOPPY_MAJOR = 2,
FH_FLOPPY = FHDEV (DEV_FLOPPY_MAJOR, 0),
DEV_CDROM_MAJOR = 11,
FH_CDROM = FHDEV (DEV_CDROM_MAJOR, 0),
DEV_TAPE_MAJOR = 9,
FH_TAPE = FHDEV (DEV_TAPE_MAJOR, 0),
FH_NTAPE = FHDEV (DEV_TAPE_MAJOR, 128),
FH_MAXNTAPE= FHDEV (DEV_TAPE_MAJOR, 255),
DEV_SD_MAJOR = 8,
FH_SD = FHDEV (8, 0),
FH_NULL = FHDEV (1, 3),
FH_ZERO = FHDEV (1, 4),
FH_PORT = FHDEV (1, 5),
FH_RANDOM = FHDEV (1, 8),
FH_URANDOM = FHDEV (1, 9),
FH_MEM = FHDEV (1, 1),
FH_CLIPBOARD=FHDEV (13, 513),
FH_OSS_DSP = FHDEV (14, 3),
DEV_CYGDRIVE_MAJOR = 30,
FH_CYGDRIVE= FHDEV (DEV_CYGDRIVE_MAJOR, 0),
FH_CYGDRIVE_A= FHDEV (DEV_CYGDRIVE_MAJOR, 'a'),
FH_CYGDRIVE_Z= FHDEV (DEV_CYGDRIVE_MAJOR, 'z'),
FH_PROC = FHDEV (0, 519),
FH_REGISTRY= FHDEV (0, 520),
FH_PROCESS = FHDEV (0, 521),
DEV_RAWDRIVE_MAJOR = 65,
FH_RAWDRIVE= FHDEV (DEV_RAWDRIVE_MAJOR, 0),
FH_BAD = 0
};
struct device
{
const char *name;
union
{
_dev_t devn;
struct
{
_minor_t minor;
_major_t major;
};
};
const char *fmt;
unsigned lower, upper;
int adjust;
unsigned mul;
_devtype_t type;
static const device *lookup (const char *, unsigned int = 0xffffffff);
void parse (const char *);
inline bool setunit (unsigned n)
{
if (mul && n > mul)
return false;
minor += (n + adjust) * (mul ?: 1);
return true;
}
static void init ();
inline operator int () const {return devn;}
};
extern const device *console_dev;
extern const device *piper_dev;
extern const device *pipew_dev;
extern const device *socket_dev;
extern const device *ttym_dev;
extern const device *ttys_dev;
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