merge from trunk

1 files changed, 129 insertions, 0 deletions

diff --git a/winsup/cygwin/devices.h b/winsup/cygwin/devices.h
new file mode 100644
index 000000000..ba8f03b96
--- /dev/null
+++ b/winsup/cygwin/devices.h
@@ -0,0 +1,129 @@
+/* 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. */
+
+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_SOCKET  = FHDEV (0, 251),
+  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 = 8,
+  FH_SD      = FHDEV (8, 0),
+
+  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),
+
+  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;
+  _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;}
+};
+
+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;
+extern const device *urandom_dev;