/* devices.h 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. */ #pragma once typedef unsigned short _major_t; typedef unsigned short _minor_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)) #include #include #include "cygheap_malloc.h" #define MAX_CONSOLES 63 enum fh_devices { DEV_TTY_MAJOR = 5, FH_TTY = FHDEV (DEV_TTY_MAJOR, 0), FH_CONSOLE = FHDEV (DEV_TTY_MAJOR, 1), FH_PTMX = FHDEV (DEV_TTY_MAJOR, 2), FH_CONIN = FHDEV (DEV_TTY_MAJOR, 255), FH_CONOUT = FHDEV (DEV_TTY_MAJOR, 254), DEV_CONS_MAJOR = 3, FH_CONS = FHDEV (DEV_CONS_MAJOR, 0), FH_CONS_MAX = FHDEV (DEV_CONS_MAJOR, MAX_CONSOLES), DEV_PTYM_MAJOR = 128, FH_PTYM = FHDEV (DEV_PTYM_MAJOR, 0), FH_PTYM_MAX= FHDEV (DEV_PTYM_MAJOR, 255), DEV_PTYS_MAJOR = 136, FH_PTYS = FHDEV (DEV_PTYS_MAJOR, 0), /* FIXME: Should separate ttys and ptys */ FH_PTYS_MAX= FHDEV (DEV_PTYS_MAJOR, 255), /* FIXME: Should separate ttys and ptys */ DEV_SERIAL_MAJOR = 117, FH_SERIAL = FHDEV (117, 0), /* /dev/ttyS? */ DEV_MISC_MAJOR = 13, FH_WINDOWS = FHDEV (DEV_MISC_MAJOR, 255), FH_CLIPBOARD=FHDEV (DEV_MISC_MAJOR, 254), /* begin /proc directories */ DEV_VIRTFS_MAJOR = 0, FH_PROC_MIN_MINOR = FHDEV (DEV_VIRTFS_MAJOR, 200), FH_PROCSYSVIPC = FHDEV (DEV_VIRTFS_MAJOR, 249), FH_PROCSYS = FHDEV (DEV_VIRTFS_MAJOR, 250), FH_PROCESSFD = FHDEV (DEV_VIRTFS_MAJOR, 251), FH_PROCNET = FHDEV (DEV_VIRTFS_MAJOR, 252), FH_REGISTRY= FHDEV (DEV_VIRTFS_MAJOR, 253), FH_PROCESS = FHDEV (DEV_VIRTFS_MAJOR, 254), FH_PROC = FHDEV (DEV_VIRTFS_MAJOR, 255), FH_PROC_MAX_MINOR = FHDEV (DEV_VIRTFS_MAJOR, 255), /* end /proc directories */ FH_PIPE = FHDEV (DEV_VIRTFS_MAJOR, 199), FH_PIPER = FHDEV (DEV_VIRTFS_MAJOR, 198), FH_PIPEW = FHDEV (DEV_VIRTFS_MAJOR, 197), FH_FIFO = FHDEV (DEV_VIRTFS_MAJOR, 196), FH_FS = FHDEV (DEV_VIRTFS_MAJOR, 195), /* filesystem based device */ FH_NETDRIVE= FHDEV (DEV_VIRTFS_MAJOR, 194), FH_DEV = FHDEV (DEV_VIRTFS_MAJOR, 193), FH_CYGDRIVE= FHDEV (DEV_VIRTFS_MAJOR, 192), 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, DEV_SD_HIGHPART_START = 259, /* partition # > 15 */ DEV_SD_HIGHPART_END = 284, 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), DEV_MEM_MAJOR = 1, FH_NULL = FHDEV (DEV_MEM_MAJOR, 3), FH_ZERO = FHDEV (DEV_MEM_MAJOR, 5), FH_FULL = FHDEV (DEV_MEM_MAJOR, 7), FH_RANDOM = FHDEV (DEV_MEM_MAJOR, 8), FH_URANDOM = FHDEV (DEV_MEM_MAJOR, 9), FH_KMSG = FHDEV (DEV_MEM_MAJOR, 11), DEV_SOUND_MAJOR = 14, FH_OSS_DSP = FHDEV (DEV_SOUND_MAJOR, 3), DEV_SOCK_MAJOR = 30, FH_INET = FHDEV (DEV_SOCK_MAJOR, 36), FH_LOCAL = FHDEV (DEV_SOCK_MAJOR, 120), FH_NADA = FHDEV (0, 0), FH_ERROR = FHDEV (255, 255) /* Set by fh constructor when error detected */ }; /* struct _device is required to allow the code in devices.cc autogenerated from devices.in continuing to work, even with a proper class device. We need to keep up with this as long as we use shilka to build a device table. Do not add members to device. Always add it to _device. */ class device; struct _device { const char *_name; union __cygwin_dev { dev_t devn; fh_devices devn_fh_devices; struct { _minor_t minor; _major_t major; }; } d; const char *_native; int (*exists_func) (const device&); __mode_t _mode; bool lives_in_dev; bool dev_on_fs; bool name_allocated; bool native_allocated; }; class device : private _device { void parsedisk (int, int); void name (const char *n, bool a) { _name = (!(name_allocated = a)) ? n : cstrdup (n); } void native (const char *n, bool a) { _native = (!(native_allocated = a)) ? n : cstrdup (n); } public: device () { memset (this, 0, sizeof *this); } device (int drive, int part) { memset (this, 0, sizeof *this); parsedisk (drive, part); } ~device () { if (name_allocated) cfree ((void *) _name); if (native_allocated) cfree ((void *) _native); } const char *name () const { return _name; } const char *native () const { return _native; } __mode_t mode () const { return _mode; } void mode (__mode_t m) { _mode = m; } void name (const char *n) { name (n, false); } void native (const char *n) { native (n, false); } void dup () { name (_name, name_allocated); native (_native, native_allocated); } void parse (const char *); void parse (_major_t major, _minor_t minor); void parse (dev_t dev); inline bool setunit (unsigned n) { d.minor = n; return true; } static void init (); static _major_t major (dev_t n) { __cygwin_dev d; d.devn = n; return d.major; } static _minor_t minor (dev_t n) { __cygwin_dev d; d.devn = n; return d.minor; } static _major_t major (int n) {return major ((dev_t) n);} static _minor_t minor (int n) {return minor ((dev_t) n);} bool is_device (dev_t n) const {return n == d.devn; } bool not_device (dev_t n) const {return d.devn && n != d.devn; } _minor_t get_minor () const {return d.minor;} _major_t get_major () const {return d.major;} dev_t get_device () const {return d.devn;} inline operator fh_devices () {return d.devn_fh_devices;} inline operator bool () {return !!d.devn;} inline operator dev_t& () {return d.devn;} device &operator = (_device _d) { memcpy (this, &_d, sizeof _d); dev_on_fs = name_allocated = native_allocated = false; return *this; } device &operator = (device &_d) { memcpy (this, &_d, sizeof _d); name (_d.name (), _d.name_allocated); native (_d.native (), _d.native_allocated); return *this; } fh_devices operator = (fh_devices n) {return d.devn_fh_devices = n;} inline void setfs (bool x) {dev_on_fs = x;} inline bool isfs () const {return dev_on_fs || d.devn == FH_FS;} inline bool is_fs_special () const {return dev_on_fs && d.devn != FH_FS;} inline bool is_dev_resident () const {return lives_in_dev;} inline int exists () const {return exists_func (*this);} unsigned char type () const { if (S_ISBLK (_mode)) return DT_BLK; return _mode >> 12; } }; extern const _device dev_storage[]; extern const _device *dev_storage_end; extern const _device *console_dev; extern const _device *ptmx_dev; extern const _device *ptys_dev; extern const _device *urandom_dev; extern const _device dev_af_local_storage; #define af_local_dev ((device *) &dev_af_local_storage) extern const _device dev_af_inet_storage; #define af_inet_dev ((device *) &dev_af_inet_storage) extern const _device dev_piper_storage; #define piper_dev ((device *) &dev_piper_storage) extern const _device dev_pipew_storage; #define pipew_dev ((device *) &dev_pipew_storage) extern const _device dev_proc_storage; #define proc_dev ((device *) &dev_proc_storage) extern const _device dev_dev_storage; #define dev_dev ((device *) &dev_dev_storage) extern const _device dev_netdrive_storage; #define netdrive_dev ((device *) &dev_netdrive_storage) extern const _device dev_cygdrive_storage; #define cygdrive_dev ((device *) &dev_cygdrive_storage) extern const _device dev_fh_storage; #define fh_dev ((device *) &dev_fh_storage) extern const _device dev_fs_storage; #define fs_dev ((device *) &dev_fs_storage) #define isproc_dev(devn) \ (devn >= FH_PROC_MIN_MINOR && devn <= FH_PROC_MAX_MINOR) #define iscygdrive_dev(devn) (devn == FH_CYGDRIVE) #define isdev_dev(devn) (devn == FH_DEV) #define isprocsys_dev(devn) (devn == FH_PROCSYS) #define isvirtual_dev(devn) \ (isproc_dev (devn) || devn == FH_CYGDRIVE || devn == FH_NETDRIVE) #define iscons_dev(n) \ ((device::major ((dev_t) (n)) == DEV_CONS_MAJOR) \ || (((dev_t) n) == FH_CONSOLE) \ || (((dev_t) n) == FH_CONIN) \ || (((dev_t) n) == FH_CONOUT)) #define istty_slave_dev(n) (device::major (n) == DEV_PTYS_MAJOR)