src/basic/missing_fcntl.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 #include <fcntl.h>
   5
   6 #ifndef F_LINUX_SPECIFIC_BASE
   7 #define F_LINUX_SPECIFIC_BASE 1024
   8 #endif
   9
  10 #ifndef F_SETPIPE_SZ
  11 #define F_SETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 7)
  12 #endif
  13
  14 #ifndef F_GETPIPE_SZ
  15 #define F_GETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 8)
  16 #endif
  17
  18 #ifndef F_ADD_SEALS
  19 #define F_ADD_SEALS (F_LINUX_SPECIFIC_BASE + 9)
  20 #define F_GET_SEALS (F_LINUX_SPECIFIC_BASE + 10)
  21
  22 #define F_SEAL_SEAL     0x0001  /* prevent further seals from being set */
  23 #define F_SEAL_SHRINK   0x0002  /* prevent file from shrinking */
  24 #define F_SEAL_GROW     0x0004  /* prevent file from growing */
  25 #define F_SEAL_WRITE    0x0008  /* prevent writes */
  26 #endif
  27
  28 #ifndef F_OFD_GETLK
  29 #define F_OFD_GETLK     36
  30 #define F_OFD_SETLK     37
  31 #define F_OFD_SETLKW    38
  32 #endif
  33
  34 #ifndef MAX_HANDLE_SZ
  35 #define MAX_HANDLE_SZ 128
  36 #endif
  37
  38 /* The precise definition of __O_TMPFILE is arch specific; use the
  39  * values defined by the kernel (note: some are hexa, some are octal,
  40  * duplicated as-is from the kernel definitions):
  41  * - alpha, parisc, sparc: each has a specific value;
  42  * - others: they use the "generic" value.
  43  */
  44
  45 #ifndef __O_TMPFILE
  46 #if defined(__alpha__)
  47 #define __O_TMPFILE     0100000000
  48 #elif defined(__parisc__) || defined(__hppa__)
  49 #define __O_TMPFILE     0400000000
  50 #elif defined(__sparc__) || defined(__sparc64__)
  51 #define __O_TMPFILE     0x2000000
  52 #else
  53 #define __O_TMPFILE     020000000
  54 #endif
  55 #endif
  56
  57 /* a horrid kludge trying to make sure that this will fail on old kernels */
  58 #ifndef O_TMPFILE
  59 #define O_TMPFILE (__O_TMPFILE | O_DIRECTORY)
  60 #endif