sysdeps/unix/sysv/linux/hppa/bits/fcntl.h

   1 /* O_*, F_*, FD_* bit values for Linux/HPPA.
   2    Copyright (C) 1995,1996,1997,1998,1999,2000,2002,2004
   3         Free Software Foundation, Inc.
   4    This file is part of the GNU C Library.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, write to the Free
  18    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19    02111-1307 USA.  */
  20
  21 #ifndef _FCNTL_H
  22 # error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
  23 #endif
  24
  25 #include <sys/types.h>
  26 #ifdef __USE_GNU
  27 # include <bits/uio.h>
  28 #endif
  29
  30 /* open/fcntl - O_SYNC is only implemented on blocks devices and on files
  31    located on an ext2 file system */
  32 #define O_RDONLY        00000000
  33 #define O_WRONLY        00000001
  34 #define O_RDWR          00000002
  35 #define O_ACCMODE       00000003
  36 #define O_APPEND        00000010
  37 #define O_BLKSEEK       00000100 /* HPUX only */
  38 #define O_CREAT         00000400 /* not fcntl */
  39 #define O_TRUNC         00001000 /* not fcntl */
  40 #define O_EXCL          00002000 /* not fcntl */
  41 #define O_ASYNC         00020000
  42 #define O_SYNC          00100000
  43 #define O_NONBLOCK      00200004 /* HPUX has separate NDELAY & NONBLOCK */
  44 #define O_NDELAY        O_NONBLOCK
  45 #define O_NOCTTY        00400000 /* not fcntl */
  46
  47
  48 #ifdef __USE_GNU
  49 # define O_DIRECT       00040000 /* Direct disk access. */
  50 # define O_DIRECTORY    00010000 /* Must be a directory. */
  51 # define O_NOFOLLOW     00000200 /* Do not follow links. */
  52 # define O_NOATIME      04000000 /* Do not set atime. */
  53 #endif
  54
  55 #ifdef __USE_LARGEFILE64
  56 # define O_LARGEFILE    00004000
  57 #endif
  58
  59 #if defined __USE_POSIX199309 || defined __USE_UNIX98
  60 # define O_DSYNC                01000000 /* HPUX only */
  61 # define O_RSYNC                02000000 /* HPUX only */
  62 #endif
  63
  64 /* Values for the second argument to `fcntl'.  */
  65 #define F_DUPFD         0       /* Duplicate file descriptor.  */
  66 #define F_GETFD         1       /* Get file descriptor flags.  */
  67 #define F_SETFD         2       /* Set file descriptor flags.  */
  68 #define F_GETFL         3       /* Get file status flags.  */
  69 #define F_SETFL         4       /* Set file status flags.  */
  70 #ifndef __USE_FILE_OFFSET64
  71 # define F_GETLK        5       /* Get record locking info.  */
  72 # define F_SETLK        6       /* Set record locking info (non-blocking).  */
  73 # define F_SETLKW       7       /* Set record locking info (blocking).  */
  74 #else
  75 # define F_GETLK        F_GETLK64 /* Get record locking info.  */
  76 # define F_SETLK        F_SETLK64 /* Set record locking info (non-blocking). */
  77 # define F_SETLKW       F_SETLKW64 /* Set record locking info (blocking).  */
  78 #endif
  79 #define F_GETLK64       8       /* Get record locking info.  */
  80 #define F_SETLK64       9       /* Set record locking info (non-blocking).  */
  81 #define F_SETLKW64      10      /* Set record locking info (blocking).  */
  82
  83 #if defined __USE_BSD || defined __USE_UNIX98
  84 # define F_GETOWN       11      /* Get owner of socket (receiver of SIGIO).  */
  85 # define F_SETOWN       12      /* Set owner of socket (receiver of SIGIO).  */
  86 #endif
  87
  88 #ifdef __USE_GNU
  89 # define F_SETSIG       13      /* Set number of signal to be sent.  */
  90 # define F_GETSIG       14      /* Get number of signal to be sent.  */
  91 #endif
  92
  93 #ifdef __USE_GNU
  94 # define F_SETLEASE     1024    /* Set a lease.  */
  95 # define F_GETLEASE     1025    /* Enquire what lease is active.  */
  96 # define F_NOTIFY       1026    /* Request notfications on a directory.  */
  97 #endif
  98
  99 /* for F_[GET|SET]FL */
 100 #define FD_CLOEXEC      1       /* actually anything with low bit set goes */
 101
 102 /* For posix fcntl() and `l_type' field of a `struct flock' for lockf().  */
 103 #define F_RDLCK         1       /* Read lock.  */
 104 #define F_WRLCK         2       /* Write lock.  */
 105 #define F_UNLCK         3       /* Remove lock.  */
 106
 107 /* for old implementation of bsd flock () */
 108 #define F_EXLCK         4       /* or 3 */
 109 #define F_SHLCK         8       /* or 4 */
 110
 111 #ifdef __USE_BSD
 112 /* operations for bsd flock(), also used by the kernel implementation */
 113 # define LOCK_SH        1       /* shared lock */
 114 # define LOCK_EX        2       /* exclusive lock */
 115 # define LOCK_NB        4       /* or'd with one of the above to prevent
 116                                    blocking */
 117 # define LOCK_UN        8       /* remove lock */
 118 #endif
 119
 120 #ifdef __USE_GNU
 121 /* Types of directory notifications that may be requested with F_NOTIFY.  */
 122 # define DN_ACCESS      0x00000001      /* File accessed.  */
 123 # define DN_MODIFY      0x00000002      /* File modified.  */
 124 # define DN_CREATE      0x00000004      /* File created.  */
 125 # define DN_DELETE      0x00000008      /* File removed.  */
 126 # define DN_RENAME      0x00000010      /* File renamed.  */
 127 # define DN_ATTRIB      0x00000020      /* File changed attibutes.  */
 128 # define DN_MULTISHOT   0x80000000      /* Don't remove notifier.  */
 129 #endif
 130
 131 struct flock
 132   {
 133     short int l_type;   /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK.  */
 134     short int l_whence; /* Where `l_start' is relative to (like `lseek').  */
 135 #ifndef __USE_FILE_OFFSET64
 136     __off_t l_start;    /* Offset where the lock begins.  */
 137     __off_t l_len;      /* Size of the locked area; zero means until EOF.  */
 138 #else
 139     __off64_t l_start;  /* Offset where the lock begins.  */
 140     __off64_t l_len;    /* Size of the locked area; zero means until EOF.  */
 141 #endif
 142     __pid_t l_pid;      /* Process holding the lock.  */
 143   };
 144
 145 #ifdef __USE_LARGEFILE64
 146 struct flock64
 147   {
 148     short int l_type;   /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK.  */
 149     short int l_whence; /* Where `l_start' is relative to (like `lseek').  */
 150     __off64_t l_start;  /* Offset where the lock begins.  */
 151     __off64_t l_len;    /* Size of the locked area; zero means until EOF.  */
 152     __pid_t l_pid;      /* Process holding the lock.  */
 153   };
 154 #endif
 155
 156 /* Define some more compatibility macros to be backward compatible with
 157    BSD systems which did not managed to hide these kernel macros.  */
 158 #ifdef  __USE_BSD
 159 # define FAPPEND        O_APPEND
 160 # define FFSYNC         O_FSYNC
 161 # define FASYNC         O_ASYNC
 162 # define FNONBLOCK      O_NONBLOCK
 163 # define FNDELAY        O_NDELAY
 164 #endif /* Use BSD.  */
 165
 166 /* Advise to `posix_fadvise'.  */
 167 #ifdef __USE_XOPEN2K
 168 # define POSIX_FADV_NORMAL      0 /* No further special treatment.  */
 169 # define POSIX_FADV_RANDOM      1 /* Expect random page references.  */
 170 # define POSIX_FADV_SEQUENTIAL  2 /* Expect sequential page references.  */
 171 # define POSIX_FADV_WILLNEED    3 /* Will need these pages.  */
 172 # define POSIX_FADV_DONTNEED    4 /* Don't need these pages.  */
 173 # define POSIX_FADV_NOREUSE     5 /* Data will be accessed once.  */
 174 #endif
 175
 176 #ifdef __USE_GNU
 177 # define SYNC_FILE_RANGE_WAIT_BEFORE    1 /* Wait upon writeout of all pages
 178                                              in the range before performing the
 179                                              write.  */
 180 # define SYNC_FILE_RANGE_WRITE          2 /* Initiate writeout of all those
 181                                              dirty pages in the range which are
 182                                              not presently under writeback.  */
 183 # define SYNC_FILE_RANGE_WAIT_AFTER     4 /* Wait upon writeout of all pages in
 184                                              the range after performing the
 185                                              write.  */
 186
 187 /* Flags for SPLICE and VMSPLICE.  */
 188 # define SPLICE_F_MOVE          1       /* Move pages instead of copying.  */
 189 # define SPLICE_F_NONBLOCK      2       /* Don't block on the pipe splicing
 190                                            (but we may still block on the fd
 191                                            we splice from/to).  */
 192 # define SPLICE_F_MORE          4       /* Expect more data.  */
 193 # define SPLICE_F_GIFT          8       /* Pages passed in are a gift.  */
 194 #endif
 195
 196 __BEGIN_DECLS
 197
 198 #ifdef __USE_GNU
 199
 200 /* Provide kernel hint to read ahead.  */
 201 extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
 202     __THROW;
 203
 204 /* Selective file content synch'ing.  */
 205 extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
 206                             unsigned int __flags);
 207
 208 /* Splice address range into a pipe.  */
 209 extern int vmsplice (int __fdout, const struct iovec *__iov, size_t __count,
 210                      unsigned int __flags);
 211
 212 /* Splice two files together.  */
 213 extern int splice (int __fdin, __off64_t *offin, int __fdout,
 214                    __off64_t *__offout, size_t __len, unsigned int __flags)
 215     __THROW;
 216
 217 /* In-kernel implementation of tee for pipe buffers.  */
 218 extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
 219     __THROW;
 220
 221 #endif
 222
 223 __END_DECLS