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-rw-r--r--winsup/cygwin/devices.h251
1 files changed, 176 insertions, 75 deletions
diff --git a/winsup/cygwin/devices.h b/winsup/cygwin/devices.h
index c8b752402..7e91b52b8 100644
--- a/winsup/cygwin/devices.h
+++ b/winsup/cygwin/devices.h
@@ -1,6 +1,6 @@
/* devices.h
- Copyright 2002 Red Hat, Inc.
+ Copyright 2002, 2003 Red Hat, Inc.
This file is part of Cygwin.
@@ -8,83 +8,184 @@ This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
-#ifndef _DEVICES_H_
-#define _DEVICES_H_
+typedef unsigned short _major_t;
+typedef unsigned short _minor_t;
+typedef mode_t _mode_t;
+typedef __dev32_t _dev_t;
-#include <sys/ioctl.h>
-#include <fcntl.h>
+#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
+enum fh_devices
{
- FH_RBINARY = 0x00001000, /* binary read mode */
- FH_WBINARY = 0x00002000, /* binary write mode */
- FH_CLOEXEC = 0x00004000, /* close-on-exec */
- FH_RBINSET = 0x00008000, /* binary read mode has been explicitly set */
- FH_WBINSET = 0x00010000, /* binary write mode has been explicitly set */
- FH_APPEND = 0x00020000, /* always append */
- FH_ASYNC = 0x00040000, /* async I/O */
- FH_SIGCLOSE = 0x00080000, /* signal handler should close fd on interrupt */
-
- FH_SYMLINK = 0x00100000, /* is a symlink */
- FH_EXECABL = 0x00200000, /* file looked like it would run:
- * ends in .exe or .bat or begins with #! */
- FH_W95LSBUG = 0x00400000, /* set when lseek is called as a flag that
- * _write should check if we've moved beyond
- * EOF, zero filling if so. */
- FH_NOHANDLE = 0x00800000, /* No handle associated with fhandler. */
- FH_NOEINTR = 0x01000000, /* Set if I/O should be uninterruptible. */
- FH_FFIXUP = 0x02000000, /* Set if need to fixup after fork. */
- FH_LOCAL = 0x04000000, /* File is unix domain socket */
- FH_SHUTRD = 0x08000000, /* Socket saw a SHUT_RD */
- FH_SHUTWR = 0x10000000, /* Socket saw a SHUT_WR */
- FH_ISREMOTE = 0x10000000, /* File is on a remote drive */
- FH_DCEXEC = 0x20000000, /* Don't care if this is executable */
- FH_HASACLS = 0x40000000, /* True if fs of file has ACLS */
- FH_QUERYOPEN = 0x80000000, /* open file without requesting either read
- or write access */
-
- /* Device flags */
-
- /* Slow devices */
- FH_CONSOLE = 0x00000001, /* is a console */
- FH_CONIN = 0x00000002, /* console input */
- FH_CONOUT = 0x00000003, /* console output */
- FH_TTYM = 0x00000004, /* is a tty master */
- FH_TTYS = 0x00000005, /* is a tty slave */
- FH_PTYM = 0x00000006, /* is a pty master */
- FH_SERIAL = 0x00000007, /* is a serial port */
- FH_PIPE = 0x00000008, /* is a pipe */
- FH_PIPER = 0x00000009, /* read end of a pipe */
- FH_PIPEW = 0x0000000a, /* write end of a pipe */
- FH_SOCKET = 0x0000000b, /* is a socket */
- FH_WINDOWS = 0x0000000c, /* is a window */
- FH_SLOW = 0x00000010, /* "slow" device if below this */
-
- /* Fast devices */
- FH_DISK = 0x00000010, /* is a disk */
- FH_FLOPPY = 0x00000011, /* is a floppy */
- FH_TAPE = 0x00000012, /* is a tape */
- FH_NULL = 0x00000013, /* is the null device */
- FH_ZERO = 0x00000014, /* is the zero device */
- FH_RANDOM = 0x00000015, /* is a random device */
- FH_MEM = 0x00000016, /* is a mem device */
- FH_CLIPBOARD = 0x00000017, /* is a clipboard device */
- FH_OSS_DSP = 0x00000018, /* is a dsp audio device */
- FH_CYGDRIVE= 0x00000019, /* /cygdrive/x */
- FH_PROC = 0x0000001a, /* /proc */
- FH_REGISTRY =0x0000001b, /* /proc/registry */
- FH_PROCESS = 0x0000001c, /* /proc/<n> */
-
- FH_NDEV = 0x0000001d, /* Maximum number of devices */
- FH_DEVMASK = 0x00000fff, /* devices live here */
- FH_BAD = 0xffffffff
+ 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 */
+
+ 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 = 3,
+ DEV_SD1_MAJOR = 90,
+ FH_SD = FHDEV (DEV_SD_MAJOR, 0),
+ FH_SD1 = FHDEV (DEV_SD1_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_MEM = FHDEV (1, 1),
+ FH_KMEM = FHDEV (1, 2), /* not implemented yet */
+ 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_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'),
+
+ DEV_RAWDRIVE_MAJOR = 65,
+ FH_RAWDRIVE= FHDEV (DEV_RAWDRIVE_MAJOR, 0),
+
+ DEV_TCP_MAJOR = 30,
+ FH_TCP = FHDEV (DEV_TCP_MAJOR, 36),
+ FH_UCP = 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)
};
-#define FHDEVN(n) ((n) & FH_DEVMASK)
-#define FHISSETF(x) __ISSETF (this, x, FH)
-#define FHSETF(x) __SETF (this, x, FH)
-#define FHCLEARF(x) __CLEARF (this, x, FH)
-#define FHCONDSETF(n, x) __CONDSETF(n, this, x, FH)
+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;
+ _mode_t mode;
+ bool dev_on_fs;
+ static const device *lookup (const char *, unsigned int = 0xffffffff);
+ void parse (const char *);
+ void parse (_major_t major, _minor_t minor);
+ void parse (_dev_t dev);
+ inline bool setunit (unsigned n)
+ {
+ if (mul && n > mul)
+ return false;
+ minor += (n + adjust) * (mul ?: 1);
+ 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;}
+};
-#define FHSTATOFF 0
-#endif
+extern const device dev_console_storage;
+#define console_dev (&dev_console_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_socket_storage;
+#define socket_dev (&dev_socket_storage)
+extern const device dev_ttym_storage;
+#define ttym_dev (&dev_ttym_storage)
+extern const device dev_ttys_storage;
+#define ttys_dev (&dev_ttys_storage)
+extern const device dev_urandom_storage;
+#define urandom_dev (&dev_urandom_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_icmp_storage;
+#define icmp_dev (&dev_icmp_storage)
+extern const device dev_unix_storage;
+#define unix_dev (&dev_unix_storage)
+extern const device dev_stream_storage;
+#define stream_dev (&dev_stream_storage)
+extern const device dev_dgram_storage;
+#define dgram_dev (&dev_dgram_storage)
+extern const device dev_proc_storage;
+#define proc_dev (&dev_proc_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)
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-30 03:51:39 +0000