diff options
Diffstat (limited to 'winsup/cygwin/devices.in')
| -rw-r--r-- | winsup/cygwin/devices.in | 210 |
1 files changed, 66 insertions, 144 deletions
diff --git a/winsup/cygwin/devices.in b/winsup/cygwin/devices.in index 213226ae6..b404e425d 100644 --- a/winsup/cygwin/devices.in +++ b/winsup/cygwin/devices.in @@ -4,188 +4,110 @@ #include "sys/cygwin.h" #include "tty.h" #include "pinfo.h" -#include "shared_info.h" -#include "path.h" -#include "fhandler.h" -#include "ntdll.h" - typedef const device *KR_device_t; } %type KR_device_t %local { - -static int -exists_internal (const device&) -{ - return false; -} - -static int -exists (const device&) -{ - return true; -} - -/* Check existence of POSIX devices backed by real NT devices. */ -static int -exists_ntdev (const device& dev) -{ - WCHAR wpath[MAX_PATH]; - UNICODE_STRING upath; - OBJECT_ATTRIBUTES attr; - HANDLE h; - NTSTATUS status; - - sys_mbstowcs (wpath, MAX_PATH, dev.native); - RtlInitUnicodeString (&upath, wpath); - InitializeObjectAttributes (&attr, &upath, OBJ_CASE_INSENSITIVE, NULL, NULL); - /* Except for the serial IO devices, the native paths are - direct device paths, not symlinks, so every status code - except for "NOT_FOUND" means the device exists. */ - status = NtOpenSymbolicLinkObject (&h, SYMBOLIC_LINK_QUERY, &attr); - switch (status) - { - case STATUS_OBJECT_NAME_NOT_FOUND: - case STATUS_OBJECT_PATH_NOT_FOUND: - return false; - case STATUS_SUCCESS: - NtClose (h); - default: - break; - } - return true; -} - -/* Don't list via readdir but allow as a direct reference. */ -static int -exists_ntdev_silent (const device& dev) -{ - return exists_ntdev (dev) ? -1 : false; -} - -static int -exists_console (const device& dev) -{ - int devn = *const_cast<device *> (&dev); - switch (devn) - { - case FH_CONSOLE: - case FH_CONIN: - case FH_CONOUT: - return fhandler_console::exists (); - default: - /* Only show my own console device (for now?) */ - return iscons_dev (myself->ctty) && myself->ctty == devn; - } -} - -static int -exists_pty (const device& dev) -{ - /* Only existing slave ptys. */ - return cygwin_shared->tty.connect (dev.get_minor ()) != -1; -} - const device dev_cygdrive_storage = - {"/cygdrive", {FH_CYGDRIVE}, "/cygdrive", exists}; + {"/cygdrive", {FH_CYGDRIVE}, "/cygdrive"}; const device dev_fs_storage = - {"", {FH_FS}, "", exists}; + {"", {FH_FS}, ""}; const device dev_proc_storage = - {"", {FH_PROC}, "", exists}; + {"", {FH_PROC}, ""}; const device dev_procnet_storage = - {"", {FH_PROCNET}, "", exists}; + {"", {FH_PROCNET}, ""}; const device dev_procsys_storage = - {"", {FH_PROCSYS}, "", exists}; + {"", {FH_PROCSYS}, ""}; const device dev_procsysvipc_storage = - {"", {FH_PROCSYSVIPC}, "", exists}; + {"", {FH_PROCSYSVIPC}, ""}; const device dev_netdrive_storage = - {"", {FH_NETDRIVE}, "", exists}; + {"", {FH_NETDRIVE}, ""}; + +#if 0 +const device dev_dev_storage = + {"/dev", {FH_DEV}, "/dev"}; +#endif const device dev_registry_storage = - {"", {FH_REGISTRY}, "", exists_internal}; + {"", {FH_REGISTRY}, ""}; const device dev_piper_storage = - {"", {FH_PIPER}, "", exists_internal}; + {"", {FH_PIPER}, ""}; const device dev_pipew_storage = - {"", {FH_PIPEW}, "", exists_internal}; + {"", {FH_PIPEW}, ""}; const device dev_tcp_storage = - {"", {FH_TCP}, "", exists_internal}; + {"", {FH_TCP}, ""}; const device dev_udp_storage = - {"", {FH_UDP}, "", exists_internal}; + {"", {FH_UDP}, ""}; const device dev_stream_storage = - {"", {FH_STREAM}, "", exists_internal}; + {"", {FH_STREAM}, ""}; const device dev_dgram_storage = - {"", {FH_DGRAM}, "", exists_internal}; + {"", {FH_DGRAM}, ""}; const device dev_bad_storage = - {"", {FH_NADA}, "", exists_internal}; + {"", {FH_NADA}, ""}; const device dev_error_storage = - {"", {FH_ERROR}, "", exists_internal}; - + {"", {FH_ERROR}, ""}; #define BRACK(x) {devn_int: x} + %storage_here } -/* Internal devices below are prefixed with a ":". This moves them out of - the POSIX namespace. */ %% -"/dev", BRACK(FH_DEV), "/dev", exists, S_IFDIR -"/dev/tty", BRACK(FH_TTY), "/dev/tty", exists, S_IFCHR -"/dev/pty%(0-63)d", BRACK(FHDEV(DEV_PTYS_MAJOR, {$1})), "/dev/pty{$1}", exists_pty, S_IFCHR, =ptys_dev -":ptym%(0-63)d", BRACK(FHDEV(DEV_PTYM_MAJOR, {$1})), "/dev/ptym{$1}", exists_internal, S_IFCHR, =ptym_dev -"/dev/cons%(0-63)d", BRACK(FHDEV(DEV_CONS_MAJOR, {$1})), "/dev/cons{$1}", exists_console, S_IFCHR, =cons_dev -"/dev/console", BRACK(FH_CONSOLE), "/dev/console", exists_console, S_IFCHR, =console_dev -"/dev/ptmx", BRACK(FH_PTMX), "/dev/ptmx", exists, S_IFCHR -"/dev/windows", BRACK(FH_WINDOWS), "/dev/windows", exists, S_IFCHR -"/dev/dsp", BRACK(FH_OSS_DSP), "/dev/dsp", exists, S_IFCHR -"/dev/conin", BRACK(FH_CONIN), "/dev/conin", exists_console, S_IFCHR -"/dev/conout", BRACK(FH_CONOUT), "/dev/conout", exists_console, S_IFCHR -"/dev/null", BRACK(FH_NULL), "\\Device\\Null", exists_ntdev, S_IFCHR -"/dev/zero", BRACK(FH_ZERO), "/dev/zero", exists, S_IFCHR -"/dev/full", BRACK(FH_FULL), "/dev/full", exists, S_IFCHR -"/dev/random", BRACK(FH_RANDOM), "/dev/random", exists, S_IFCHR -"/dev/urandom", BRACK(FH_URANDOM), "/dev/urandom", exists, S_IFCHR, =urandom_dev -"/dev/mem", BRACK(FH_MEM), "/dev/mem", exists, S_IFCHR -"/dev/kmem", BRACK(FH_KMEM), "/dev/kmem", exists, S_IFCHR -"/dev/clipboard", BRACK(FH_CLIPBOARD), "/dev/clipboard", exists, S_IFCHR -"/dev/port", BRACK(FH_PORT), "/dev/port", exists, S_IFCHR -"/dev/com%(1-16)d", BRACK(FHDEV(DEV_SERIAL_MAJOR, {$1 - 1})), "\\??\\COM{$1}", exists_ntdev_silent, S_IFCHR -"/dev/ttyS%(0-63)d", BRACK(FHDEV(DEV_SERIAL_MAJOR, {$1})), "\\??\\COM{$1 + 1}", exists_ntdev, S_IFCHR -":pipe", BRACK(FH_PIPE), "/dev/pipe", exists_internal, S_IFCHR -":fifo", BRACK(FH_FIFO), "/dev/fifo", exists_internal, S_IFCHR -"/dev/st%(0-127)d", BRACK(FHDEV(DEV_TAPE_MAJOR, {$1})), "\\Device\\Tape{$1}", exists_ntdev, S_IFBLK -"/dev/nst%(0-127)d", BRACK(FHDEV(DEV_TAPE_MAJOR, {$1 + 128})), "\\Device\\Tape{$1}", exists_ntdev, S_IFBLK -"/dev/fd%(0-15)d", BRACK(FHDEV(DEV_FLOPPY_MAJOR, {$1})), "\\Device\\Floppy{$1}", exists_ntdev, S_IFBLK -"/dev/scd%(0-15)d", BRACK(FHDEV(DEV_CDROM_MAJOR, {$1})), "\\Device\\CdRom{$1}", exists_ntdev, S_IFBLK -"/dev/sr%(0-15)d", BRACK(FHDEV(DEV_CDROM_MAJOR, {$1})), "\\Device\\CdRom{$1}", exists_ntdev, S_IFBLK -"/dev/sd%{a-z}s", BRACK(FH_SD{uc $1}), "\\Device\\Harddisk{ord($1) - ord('a')}\\Partition0", exists_ntdev, S_IFBLK -"/dev/sda%{a-z}s", BRACK(FH_SDA{uc $1}), "\\Device\\Harddisk{26 + ord($1) - ord('a')}\\Partition0", exists_ntdev, S_IFBLK -"/dev/sdb%{a-z}s", BRACK(FH_SDB{uc $1}), "\\Device\\Harddisk{52 + ord($1) - ord('a')}\\Partition0", exists_ntdev, S_IFBLK -"/dev/sdc%{a-z}s", BRACK(FH_SDC{uc $1}), "\\Device\\Harddisk{78 + ord($1) - ord('a')}\\Partition0", exists_ntdev, S_IFBLK -"/dev/sdd%{a-x}s", BRACK(FH_SDD{uc $1}), "\\Device\\Harddisk{104 + ord($1) - ord('a')}\\Partition0", exists_ntdev, S_IFBLK -"/dev/sd%{a-z}s%(1-15)d", BRACK(FH_SD{uc $1} | {$2}), "\\Device\\Harddisk{ord($1) - ord('a')}\\Partition{$2 % 16}", exists_ntdev, S_IFBLK -"/dev/sda%{a-z}s%(1-15)d", BRACK(FH_SDA{uc $1} | {$2}), "\\Device\\Harddisk{26 + ord($1) - ord('a')}\\Partition{$2 % 16}", exists_ntdev, S_IFBLK -"/dev/sdb%{a-z}s%(1-15)d", BRACK(FH_SDB{uc $1} | {$2}), "\\Device\\Harddisk{52 + ord($1) - ord('a')}\\Partition{$2 % 16}", exists_ntdev, S_IFBLK -"/dev/sdc%{a-z}s%(1-15)d", BRACK(FH_SDC{uc $1} | {$2}), "\\Device\\Harddisk{78 + ord($1) - ord('a')}\\Partition{$2 % 16}", exists_ntdev, S_IFBLK -"/dev/sdd%{a-x}s%(1-15)d", BRACK(FH_SDD{uc $1} | {$2}), "\\Device\\Harddisk{104 + ord($1) - ord('a')}\\Partition{$2 % 16}", exists_ntdev, S_IFBLK -"/dev/kmsg", BRACK(FH_KMSG), "\\Device\\MailSlot\\cygwin\\dev\\kmsg", exists_ntdev, S_IFCHR +"/dev/tty", BRACK(FH_TTY), "/dev/tty" +"/dev/pty%(0-63)d", BRACK(FHDEV(DEV_PTYS_MAJOR, {$1})), "/dev/pty{$1}", ptys_dev +"/dev/ptym%(0-63)d", BRACK(FHDEV(DEV_PTYM_MAJOR, {$1})), "/dev/ptym{$1}", ptym_dev +"/dev/cons%(0-63)d", BRACK(FHDEV(DEV_CONS_MAJOR, {$1})), "/dev/cons{$1}", cons_dev +"/dev/console", BRACK(FH_CONSOLE), "/dev/console", console_dev +"/dev/ptmx", BRACK(FH_PTMX), "/dev/ptmx" +"/dev/windows", BRACK(FH_WINDOWS), "/dev/windows" +"/dev/dsp", BRACK(FH_OSS_DSP), "/dev/dsp" +"/dev/conin", BRACK(FH_CONIN), "/dev/conin" +"/dev/conout", BRACK(FH_CONOUT), "/dev/conout" +"/dev/null", BRACK(FH_NULL), "\\Device\\Null" +"/dev/zero", BRACK(FH_ZERO), "/dev/zero" +"/dev/full", BRACK(FH_FULL), "/dev/full" +"/dev/random", BRACK(FH_RANDOM), "/dev/random" +"/dev/urandom", BRACK(FH_URANDOM), "/dev/urandom", urandom_dev +"/dev/mem", BRACK(FH_MEM), "/dev/mem" +"/dev/kmem", BRACK(FH_KMEM), "/dev/mem" +"/dev/clipboard", BRACK(FH_CLIPBOARD), "/dev/clipboard" +"/dev/port", BRACK(FH_PORT), "/dev/port" +"/dev/com%(1-16)d", BRACK(FHDEV(DEV_SERIAL_MAJOR, {$1 - 1})), "\\??\\COM{$1}" +"/dev/ttyS%(0-63)d", BRACK(FHDEV(DEV_SERIAL_MAJOR, {$1})), "\\??\\COM{$1 + 1}" +"/dev/pipe", BRACK(FH_PIPE), "/dev/pipe" +"/dev/fifo", BRACK(FH_FIFO), "/dev/fifo" +"/dev/st%(0-127)d", BRACK(FHDEV(DEV_TAPE_MAJOR, {$1})), "\\Device\\Tape{$1}" +"/dev/nst%(0-127)d", BRACK(FHDEV(DEV_TAPE_MAJOR, {$1 + 128})), "\\Device\\Tape{$1}" +"/dev/fd%(0-15)d", BRACK(FHDEV(DEV_FLOPPY_MAJOR, {$1})), "\\Device\\Floppy{$1}" +"/dev/scd%(0-15)d", BRACK(FHDEV(DEV_CDROM_MAJOR, {$1})), "\\Device\\CdRom{$1}" +"/dev/sr%(0-15)d", BRACK(FHDEV(DEV_CDROM_MAJOR, {$1})), "\\Device\\CdRom{$1}" +"/dev/sd%{a-z}s", BRACK(FH_SD{uc $1}), "\\Device\\Harddisk{ord($1) - ord('a')}\\Partition0" +"/dev/sda%{a-z}s", BRACK(FH_SDA{uc $1}), "\\Device\\Harddisk{26 + ord($1) - ord('a')}\\Partition0" +"/dev/sdb%{a-z}s", BRACK(FH_SDB{uc $1}), "\\Device\\Harddisk{52 + ord($1) - ord('a')}\\Partition0" +"/dev/sdc%{a-z}s", BRACK(FH_SDC{uc $1}), "\\Device\\Harddisk{78 + ord($1) - ord('a')}\\Partition0" +"/dev/sdd%{a-x}s", BRACK(FH_SDD{uc $1}), "\\Device\\Harddisk{104 + ord($1) - ord('a')}\\Partition0" +"/dev/sd%{a-z}s%(1-15)d", BRACK(FH_SD{uc $1} | {$2}), "\\Device\\Harddisk{ord($1) - ord('a')}\\Partition{$2 % 16}" +"/dev/sda%{a-z}s%(1-15)d", BRACK(FH_SDA{uc $1} | {$2}), "\\Device\\Harddisk{26 + ord($1) - ord('a')}\\Partition{$2 % 16}" +"/dev/sdb%{a-z}s%(1-15)d", BRACK(FH_SDB{uc $1} | {$2}), "\\Device\\Harddisk{52 + ord($1) - ord('a')}\\Partition{$2 % 16}" +"/dev/sdc%{a-z}s%(1-15)d", BRACK(FH_SDC{uc $1} | {$2}), "\\Device\\Harddisk{78 + ord($1) - ord('a')}\\Partition{$2 % 16}" +"/dev/sdd%{a-x}s%(1-15)d", BRACK(FH_SDD{uc $1} | {$2}), "\\Device\\Harddisk{104 + ord($1) - ord('a')}\\Partition{$2 % 16}" +"/dev/kmsg", BRACK(FH_KMSG), "\\Device\\MailSlot\\cygwin\\dev\\kmsg" +"/dev", BRACK(FH_DEV), "/dev" %other {return NULL;} %% #undef BRACK - -const device *dev_storage_end = dev_storage + (sizeof dev_storage / sizeof dev_storage[0]); - void device::parse (const char *s) { @@ -207,14 +129,14 @@ device::init () void device::parse (_major_t major, _minor_t minor) { - _dev_t devn = FHDEV (major, minor); + _dev_t dev = FHDEV (major, minor); d.devn = 0; - for (const device *devidx = dev_storage; devidx < dev_storage_end; devidx++) - if (devidx->d.devn == devn) + for (unsigned i = 0; i < (sizeof (dev_storage) / sizeof (dev_storage[0])); i++) + if (dev_storage[i].d.devn == dev) { - *this = *devidx; + *this = dev_storage[i]; break; } |