include/sys/param.h

   1 /* sys/param.h
   2
   3    Copyright 2001 Red Hat, Inc.
   4
   5    This software is a copyrighted work licensed under the terms of the
   6    Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
   7    details. */
   8
   9 #ifndef _SYS_PARAM_H
  10 #define _SYS_PARAM_H
  11
  12 #include <sys/types.h>
  13 /* Linux includes limits.h, but this is not universally done. */
  14 #include <limits.h>
  15
  16 /* Max number of open files.  The Posix version is OPEN_MAX.  */
  17 /* Number of fds is virtually unlimited in cygwin, but we must provide
  18    some reasonable value for Posix conformance */
  19 #define NOFILE          8192
  20
  21 /* Max number of groups; must keep in sync with NGROUPS_MAX in limits.h */
  22 #define NGROUPS         16
  23
  24 /* Ticks/second for system calls such as times() */
  25 /* FIXME: is this the appropriate value? */
  26 #define HZ              1000
  27
  28 /* Max hostname size that can be dealt with */
  29 /* FIXME: is this the appropriate value? */
  30 #define MAXHOSTNAMELEN  64
  31
  32 /* This is defined to be the same as MAX_PATH which is used internally.
  33    The Posix version is PATH_MAX.  */
  34 #define MAXPATHLEN      (260 - 1 /*NUL*/)
  35
  36 /* Some autoconf'd packages check for endianness.  When cross-building we
  37    can't run programs on the target.  Fortunately, autoconf supports the
  38    definition of byte order in sys/param.h (that's us!).
  39    The values here are the same as used in gdb/defs.h (are the more
  40    appropriate values?).  */
  41 #define BIG_ENDIAN      4321
  42 #define LITTLE_ENDIAN   1234
  43
  44 /* All known win32 systems are little endian.  */
  45 #define BYTE_ORDER      LITTLE_ENDIAN
  46
  47 #ifndef NULL
  48 #define NULL            0L
  49 #endif
  50
  51 #endif