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43f65cdd7d
newlib/winsup/cygwin/devices.h
Corinna Vinschen 43f65cdd7d * Makefile.in (DLL_OFILES): Add fhandler_procsys.o. 
* devices.h (enum fh_devices): Add FH_PROCSYS.
	* devices.in (dev_procsys_storage): New device.
	* devices.cc: Regenerate.
	* dtable.cc (build_fh_pc): Add code to allocate fhandler_procsys.
	* fhandler.h (proc_len): Convert to size_t.
	(procsys): Declare.
	(procsys_len): Declare.
	(enum virtual_ftype_t): Move here from fhandler_virtual.h.
	Add members supported by fhandler_procsys.
	(fhandler_virtual::exists): Return virtual_ftype_t.  Change
	in all derived classes.
	(class fhandler_procsys): New class.
	(fhandler_union): Add fhandler_procnet and fhandler_procsys members.
	* fhandler_disk_file.cc (__DIR_mounts::check_missing_mount): Use
	ro_u_proc.
	(fhandler_base::fstat_by_handle): Don't copy attributes if file is an
	NT device.
	(fhandler_base::fstat_by_name): Ditto.
	* fhandler_netdrive.cc (fhandler_netdrive::exists): Return
	virtual_ftype_t.
	* fhandler_proc.cc (proc_tab): Sort alphabetically.  Use _VN macro
	to store length.
	(proc_len): Change to size_t.
	(proc_tab_cmp): New static function.
	(virt_tab_search): New function to search entry in virt_tab_t
	arrays.  Use throughout in /proc and sibling classes instead of
	loop.
	(fhandler_proc::exists): Return virtual_ftype_t.
	* fhandler_process.cc (process_tab): Sort alphabetically.  Use _VN
	macro to store length.
	(fhandler_process::exists): Return virtual_ftype_t.
	(fhandler_process::open): Simplify code.
	* fhandler_procnet.cc (procnet_tab): Sort alphabetically.  Use _VN
	macro to store length.
	(fhandler_procnet::exists): Return virtual_ftype_t.
	(fhandler_procnet::open): Simplify.
	* fhandler_procsys.cc: New file.
	* fhandler_registry.cc (fhandler_registry::exists): Return
	virtual_ftype_t.
	* fhandler_virtual.cc (fhandler_virtual::exists): Ditto.
	* fhandler_virtual.h (enum virtual_ftype_t): Move to fhandler.h.
	(virt_tab_t): Add name_len member.
	(_VN): New macro.
	(virt_tab_search): Declare.
	* mount.cc (mount_info::conv_to_win32_path): Fix comment.  Backslashify
	isprocsys_dev paths.
	* ntdll.h (STATUS_OBJECT_TYPE_MISMATCH): Define
	(STATUS_INSTANCE_NOT_AVAILABLE): Define.
	(STATUS_PIPE_NOT_AVAILABLE): Define.
	(STATUS_INVALID_PIPE_STATE): Define.
	(STATUS_PIPE_BUSY): Define.
	(SYMBOLIC_LINK_QUERY): Define.
	(NtOpenSymbolicLinkObject): Declare.
	(NtQuerySymbolicLinkObject): Declare.
	* path.cc (path_conv::check): Accommodate fact that exists method
	returns virtual_ftype_t now.  Add cases for new virtual_ftype_t
	types.
	(cygwin_conv_path): Add GLOBALROOT prefix to native device paths.
	Make sure to strip \\?\ prefix only for actual filesystem-based
	paths, not for all paths.
	* path.h (isproc_dev): Add FH_PROCSYS.
	(isprocsys_dev): Define.
2010-09-06 09:47:01 +00:00

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/* devices.h
Copyright 2002, 2003, 2004, 2005, 2007, 2009, 2010 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. */
typedef unsigned short _major_t;
typedef unsigned short _minor_t;
typedef mode_t _mode_t;
typedef __dev32_t _dev_t;
#define FHDEV(maj, min) ((((unsigned) (maj)) << (sizeof (_major_t) * 8)) | (unsigned) (min))
#define _minor(dev) ((dev) & ((1 << (sizeof (_minor_t) * 8)) - 1))
#define _major(dev) ((dev) >> (sizeof (_major_t) * 8))
enum fh_devices
{
FH_TTY = FHDEV (5, 0),
FH_CONSOLE = FHDEV (5, 1),
FH_PTYM = FHDEV (5, 2), /* /dev/ptmx */
FH_CONIN = FHDEV (5, 255),
FH_CONOUT = FHDEV (5, 254),
DEV_TTYM_MAJOR = 128,
FH_TTYM = FHDEV (DEV_TTYM_MAJOR, 0),
FH_TTYM_MAX= FHDEV (DEV_TTYM_MAJOR, 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_WINDOWS = FHDEV (13, 255),
FH_CLIPBOARD=FHDEV (13, 254),
FH_PIPE = FHDEV (0, 255),
FH_PIPER = FHDEV (0, 254),
FH_PIPEW = FHDEV (0, 253),
FH_FIFO = FHDEV (0, 252),
FH_PROC = FHDEV (0, 250),
FH_REGISTRY= FHDEV (0, 249),
FH_PROCESS = FHDEV (0, 248),
FH_FS = FHDEV (0, 247), /* filesystem based device */
FH_NETDRIVE= FHDEV (0, 246),
FH_DEV = FHDEV (0, 245),
FH_PROCNET = FHDEV (0, 244),
FH_PROCESSFD = FHDEV (0, 243),
FH_PROCSYS = FHDEV (0, 242),
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,
DEV_SD1_MAJOR = 65,
DEV_SD2_MAJOR = 66,
DEV_SD3_MAJOR = 67,
DEV_SD4_MAJOR = 68,
DEV_SD5_MAJOR = 69,
DEV_SD6_MAJOR = 70,
DEV_SD7_MAJOR = 71,
FH_SD = FHDEV (DEV_SD_MAJOR, 0),
FH_SD1 = FHDEV (DEV_SD1_MAJOR, 0),
FH_SD2 = FHDEV (DEV_SD2_MAJOR, 0),
FH_SD3 = FHDEV (DEV_SD3_MAJOR, 0),
FH_SD4 = FHDEV (DEV_SD4_MAJOR, 0),
FH_SD5 = FHDEV (DEV_SD5_MAJOR, 0),
FH_SD6 = FHDEV (DEV_SD6_MAJOR, 0),
FH_SD7 = FHDEV (DEV_SD7_MAJOR, 0),
FH_SDA = FHDEV (DEV_SD_MAJOR, 0),
FH_SDB = FHDEV (DEV_SD_MAJOR, 16),
FH_SDC = FHDEV (DEV_SD_MAJOR, 32),
FH_SDD = FHDEV (DEV_SD_MAJOR, 48),
FH_SDE = FHDEV (DEV_SD_MAJOR, 64),
FH_SDF = FHDEV (DEV_SD_MAJOR, 80),
FH_SDG = FHDEV (DEV_SD_MAJOR, 96),
FH_SDH = FHDEV (DEV_SD_MAJOR, 112),
FH_SDI = FHDEV (DEV_SD_MAJOR, 128),
FH_SDJ = FHDEV (DEV_SD_MAJOR, 144),
FH_SDK = FHDEV (DEV_SD_MAJOR, 160),
FH_SDL = FHDEV (DEV_SD_MAJOR, 176),
FH_SDM = FHDEV (DEV_SD_MAJOR, 192),
FH_SDN = FHDEV (DEV_SD_MAJOR, 208),
FH_SDO = FHDEV (DEV_SD_MAJOR, 224),
FH_SDP = FHDEV (DEV_SD_MAJOR, 240),
FH_SDQ = FHDEV (DEV_SD1_MAJOR, 0),
FH_SDR = FHDEV (DEV_SD1_MAJOR, 16),
FH_SDS = FHDEV (DEV_SD1_MAJOR, 32),
FH_SDT = FHDEV (DEV_SD1_MAJOR, 48),
FH_SDU = FHDEV (DEV_SD1_MAJOR, 64),
FH_SDV = FHDEV (DEV_SD1_MAJOR, 80),
FH_SDW = FHDEV (DEV_SD1_MAJOR, 96),
FH_SDX = FHDEV (DEV_SD1_MAJOR, 112),
FH_SDY = FHDEV (DEV_SD1_MAJOR, 128),
FH_SDZ = FHDEV (DEV_SD1_MAJOR, 144),
FH_SDAA = FHDEV (DEV_SD1_MAJOR, 160),
FH_SDAB = FHDEV (DEV_SD1_MAJOR, 176),
FH_SDAC = FHDEV (DEV_SD1_MAJOR, 192),
FH_SDAD = FHDEV (DEV_SD1_MAJOR, 208),
FH_SDAE = FHDEV (DEV_SD1_MAJOR, 224),
FH_SDAF = FHDEV (DEV_SD1_MAJOR, 240),
FH_SDAG = FHDEV (DEV_SD2_MAJOR, 0),
FH_SDAH = FHDEV (DEV_SD2_MAJOR, 16),
FH_SDAI = FHDEV (DEV_SD2_MAJOR, 32),
FH_SDAJ = FHDEV (DEV_SD2_MAJOR, 48),
FH_SDAK = FHDEV (DEV_SD2_MAJOR, 64),
FH_SDAL = FHDEV (DEV_SD2_MAJOR, 80),
FH_SDAM = FHDEV (DEV_SD2_MAJOR, 96),
FH_SDAN = FHDEV (DEV_SD2_MAJOR, 112),
FH_SDAO = FHDEV (DEV_SD2_MAJOR, 128),
FH_SDAP = FHDEV (DEV_SD2_MAJOR, 144),
FH_SDAQ = FHDEV (DEV_SD2_MAJOR, 160),
FH_SDAR = FHDEV (DEV_SD2_MAJOR, 176),
FH_SDAS = FHDEV (DEV_SD2_MAJOR, 192),
FH_SDAT = FHDEV (DEV_SD2_MAJOR, 208),
FH_SDAU = FHDEV (DEV_SD2_MAJOR, 224),
FH_SDAV = FHDEV (DEV_SD2_MAJOR, 240),
FH_SDAW = FHDEV (DEV_SD3_MAJOR, 0),
FH_SDAX = FHDEV (DEV_SD3_MAJOR, 16),
FH_SDAY = FHDEV (DEV_SD3_MAJOR, 32),
FH_SDAZ = FHDEV (DEV_SD3_MAJOR, 48),
FH_SDBA = FHDEV (DEV_SD3_MAJOR, 64),
FH_SDBB = FHDEV (DEV_SD3_MAJOR, 80),
FH_SDBC = FHDEV (DEV_SD3_MAJOR, 96),
FH_SDBD = FHDEV (DEV_SD3_MAJOR, 112),
FH_SDBE = FHDEV (DEV_SD3_MAJOR, 128),
FH_SDBF = FHDEV (DEV_SD3_MAJOR, 144),
FH_SDBG = FHDEV (DEV_SD3_MAJOR, 160),
FH_SDBH = FHDEV (DEV_SD3_MAJOR, 176),
FH_SDBI = FHDEV (DEV_SD3_MAJOR, 192),
FH_SDBJ = FHDEV (DEV_SD3_MAJOR, 208),
FH_SDBK = FHDEV (DEV_SD3_MAJOR, 224),
FH_SDBL = FHDEV (DEV_SD3_MAJOR, 240),
FH_SDBM = FHDEV (DEV_SD4_MAJOR, 0),
FH_SDBN = FHDEV (DEV_SD4_MAJOR, 16),
FH_SDBO = FHDEV (DEV_SD4_MAJOR, 32),
FH_SDBP = FHDEV (DEV_SD4_MAJOR, 48),
FH_SDBQ = FHDEV (DEV_SD4_MAJOR, 64),
FH_SDBR = FHDEV (DEV_SD4_MAJOR, 80),
FH_SDBS = FHDEV (DEV_SD4_MAJOR, 96),
FH_SDBT = FHDEV (DEV_SD4_MAJOR, 112),
FH_SDBU = FHDEV (DEV_SD4_MAJOR, 128),
FH_SDBV = FHDEV (DEV_SD4_MAJOR, 144),
FH_SDBW = FHDEV (DEV_SD4_MAJOR, 160),
FH_SDBX = FHDEV (DEV_SD4_MAJOR, 176),
FH_SDBY = FHDEV (DEV_SD4_MAJOR, 192),
FH_SDBZ = FHDEV (DEV_SD4_MAJOR, 208),
FH_SDCA = FHDEV (DEV_SD4_MAJOR, 224),
FH_SDCB = FHDEV (DEV_SD4_MAJOR, 240),
FH_SDCC = FHDEV (DEV_SD5_MAJOR, 0),
FH_SDCD = FHDEV (DEV_SD5_MAJOR, 16),
FH_SDCE = FHDEV (DEV_SD5_MAJOR, 32),
FH_SDCF = FHDEV (DEV_SD5_MAJOR, 48),
FH_SDCG = FHDEV (DEV_SD5_MAJOR, 64),
FH_SDCH = FHDEV (DEV_SD5_MAJOR, 80),
FH_SDCI = FHDEV (DEV_SD5_MAJOR, 96),
FH_SDCJ = FHDEV (DEV_SD5_MAJOR, 112),
FH_SDCK = FHDEV (DEV_SD5_MAJOR, 128),
FH_SDCL = FHDEV (DEV_SD5_MAJOR, 144),
FH_SDCM = FHDEV (DEV_SD5_MAJOR, 160),
FH_SDCN = FHDEV (DEV_SD5_MAJOR, 176),
FH_SDCO = FHDEV (DEV_SD5_MAJOR, 192),
FH_SDCP = FHDEV (DEV_SD5_MAJOR, 208),
FH_SDCQ = FHDEV (DEV_SD5_MAJOR, 224),
FH_SDCR = FHDEV (DEV_SD5_MAJOR, 240),
FH_SDCS = FHDEV (DEV_SD6_MAJOR, 0),
FH_SDCT = FHDEV (DEV_SD6_MAJOR, 16),
FH_SDCU = FHDEV (DEV_SD6_MAJOR, 32),
FH_SDCV = FHDEV (DEV_SD6_MAJOR, 48),
FH_SDCW = FHDEV (DEV_SD6_MAJOR, 64),
FH_SDCX = FHDEV (DEV_SD6_MAJOR, 80),
FH_SDCY = FHDEV (DEV_SD6_MAJOR, 96),
FH_SDCZ = FHDEV (DEV_SD6_MAJOR, 112),
FH_SDDA = FHDEV (DEV_SD6_MAJOR, 128),
FH_SDDB = FHDEV (DEV_SD6_MAJOR, 144),
FH_SDDC = FHDEV (DEV_SD6_MAJOR, 160),
FH_SDDD = FHDEV (DEV_SD6_MAJOR, 176),
FH_SDDE = FHDEV (DEV_SD6_MAJOR, 192),
FH_SDDF = FHDEV (DEV_SD6_MAJOR, 208),
FH_SDDG = FHDEV (DEV_SD6_MAJOR, 224),
FH_SDDH = FHDEV (DEV_SD6_MAJOR, 240),
FH_SDDI = FHDEV (DEV_SD7_MAJOR, 0),
FH_SDDJ = FHDEV (DEV_SD7_MAJOR, 16),
FH_SDDK = FHDEV (DEV_SD7_MAJOR, 32),
FH_SDDL = FHDEV (DEV_SD7_MAJOR, 48),
FH_SDDM = FHDEV (DEV_SD7_MAJOR, 64),
FH_SDDN = FHDEV (DEV_SD7_MAJOR, 80),
FH_SDDO = FHDEV (DEV_SD7_MAJOR, 96),
FH_SDDP = FHDEV (DEV_SD7_MAJOR, 112),
FH_SDDQ = FHDEV (DEV_SD7_MAJOR, 128),
FH_SDDR = FHDEV (DEV_SD7_MAJOR, 144),
FH_SDDS = FHDEV (DEV_SD7_MAJOR, 160),
FH_SDDT = FHDEV (DEV_SD7_MAJOR, 176),
FH_SDDU = FHDEV (DEV_SD7_MAJOR, 192),
FH_SDDV = FHDEV (DEV_SD7_MAJOR, 208),
FH_SDDW = FHDEV (DEV_SD7_MAJOR, 224),
FH_SDDX = FHDEV (DEV_SD7_MAJOR, 240),
FH_MEM = FHDEV (1, 1),
FH_KMEM = FHDEV (1, 2), /* not implemented yet */
FH_NULL = FHDEV (1, 3),
FH_PORT = FHDEV (1, 4),
FH_ZERO = FHDEV (1, 5),
FH_FULL = FHDEV (1, 7),
FH_RANDOM = FHDEV (1, 8),
FH_URANDOM = FHDEV (1, 9),
FH_KMSG = FHDEV (1, 11),
FH_OSS_DSP = FHDEV (14, 3),
DEV_CYGDRIVE_MAJOR = 98,
FH_CYGDRIVE= FHDEV (DEV_CYGDRIVE_MAJOR, 0),
DEV_TCP_MAJOR = 30,
FH_TCP = FHDEV (DEV_TCP_MAJOR, 36),
FH_UDP = FHDEV (DEV_TCP_MAJOR, 39),
FH_ICMP = FHDEV (DEV_TCP_MAJOR, 33),
FH_UNIX = FHDEV (DEV_TCP_MAJOR, 120),
FH_STREAM = FHDEV (DEV_TCP_MAJOR, 121),
FH_DGRAM = FHDEV (DEV_TCP_MAJOR, 122),
FH_BAD = FHDEV (0, 0)
};
struct device
{
const char *name;
union
{
_dev_t devn;
struct
{
_minor_t minor;
_major_t major;
};
};
const char *native;
_mode_t mode;
bool dev_on_fs;
static const device *lookup (const char *, unsigned int = UINT32_MAX);
void parse (const char *);
void parse (_major_t major, _minor_t minor);
void parse (_dev_t dev);
void parsedisk (int, int);
inline bool setunit (unsigned n)
{
minor = n;
return true;
}
static void init ();
void tty_to_real_device ();
inline operator int () const {return devn;}
inline void setfs (bool x) {dev_on_fs = x;}
inline bool isfs () const {return dev_on_fs || devn == FH_FS;}
inline bool is_fs_special () const {return dev_on_fs && devn != FH_FS;}
};
extern const device *console_dev;
extern const device *ttym_dev;
extern const device *ttys_dev;
extern const device *urandom_dev;
extern const device dev_dgram_storage;
#define dgram_dev (&dev_dgram_storage)
extern const device dev_stream_storage;
#define stream_dev (&dev_stream_storage)
extern const device dev_tcp_storage;
#define tcp_dev (&dev_tcp_storage)
extern const device dev_udp_storage;
#define udp_dev (&dev_udp_storage)
extern const device dev_piper_storage;
#define piper_dev (&dev_piper_storage)
extern const device dev_pipew_storage;
#define pipew_dev (&dev_pipew_storage)
extern const device dev_proc_storage;
#define proc_dev (&dev_proc_storage)
extern const device dev_netdrive_storage;
#define netdrive_dev (&dev_netdrive_storage)
extern const device dev_cygdrive_storage;
#define cygdrive_dev (&dev_cygdrive_storage)
extern const device dev_fh_storage;
#define fh_dev (&dev_fh_storage)
extern const device dev_fs_storage;
#define fs_dev (&dev_fs_storage)
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