posix_opt.h 3.3 KB

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  1. /* Define POSIX options for Linux.
  2. Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
  3. This file is part of the GNU C Library.
  4. The GNU C Library is free software; you can redistribute it and/or
  5. modify it under the terms of the GNU Library General Public License as
  6. published by the Free Software Foundation; either version 2 of the
  7. License, or (at your option) any later version.
  8. The GNU C Library is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11. Library General Public License for more details.
  12. You should have received a copy of the GNU Library General Public
  13. License along with the GNU C Library; see the file COPYING.LIB. If not,
  14. write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  15. Boston, MA 02111-1307, USA. */
  16. #ifndef _POSIX_OPT_H
  17. #define _POSIX_OPT_H 1
  18. /* Job control is supported. */
  19. #define _POSIX_JOB_CONTROL 1
  20. /* Processes have a saved set-user-ID and a saved set-group-ID. */
  21. #define _POSIX_SAVED_IDS 1
  22. /* Priority scheduling is supported. */
  23. #define _POSIX_PRIORITY_SCHEDULING 1
  24. /* Synchronizing file data is supported. */
  25. #define _POSIX_SYNCHRONIZED_IO 1
  26. /* The fsync function is present. */
  27. #define _POSIX_FSYNC 1
  28. /* Mapping of files to memory is supported. */
  29. #define _POSIX_MAPPED_FILES 1
  30. /* Locking of all memory is supported. */
  31. #define _POSIX_MEMLOCK 1
  32. /* Locking of ranges of memory is supported. */
  33. #define _POSIX_MEMLOCK_RANGE 1
  34. /* Setting of memory protections is supported. */
  35. #define _POSIX_MEMORY_PROTECTION 1
  36. /* Implementation supports `poll' function. */
  37. #define _POSIX_POLL 1
  38. /* Implementation supports `select' and `pselect' functions. */
  39. #define _POSIX_SELECT 1
  40. /* Only root can change owner of file. */
  41. #define _POSIX_CHOWN_RESTRICTED 1
  42. /* `c_cc' member of 'struct termios' structure can be disabled by
  43. using the value _POSIX_VDISABLE. */
  44. #define _POSIX_VDISABLE '\0'
  45. /* Filenames are not silently truncated. */
  46. #define _POSIX_NO_TRUNC 1
  47. /* X/Open realtime support is available. */
  48. #define _XOPEN_REALTIME 1
  49. /* X/Open realtime thread support is available. */
  50. #undef _XOPEN_REALTIME_THREADS
  51. /* XPG4.2 shared memory is supported. */
  52. #define _XOPEN_SHM 1
  53. /* Tell we have POSIX threads. */
  54. #undef _POSIX_THREADS
  55. /* We have the reentrant functions described in POSIX. */
  56. #define _POSIX_REENTRANT_FUNCTIONS 1
  57. #define _POSIX_THREAD_SAFE_FUNCTIONS 1
  58. /* We provide priority scheduling for threads. */
  59. #define _POSIX_THREAD_PRIORITY_SCHEDULING 1
  60. /* We support user-defined stack sizes. */
  61. #define _POSIX_THREAD_ATTR_STACKSIZE 1
  62. /* We support user-defined stacks. */
  63. #define _POSIX_THREAD_ATTR_STACKADDR 1
  64. /* We support POSIX.1b semaphores, but only the non-shared form for now. */
  65. /*#define _POSIX_SEMAPHORES 1 XXX We are not quite there now. */
  66. /* Real-time signals are supported. */
  67. #define _POSIX_REALTIME_SIGNALS 1
  68. /* We support asynchronous I/O. */
  69. #define _POSIX_ASYNCHRONOUS_IO 1
  70. /* Alternative name for Unix98. */
  71. #define _LFS_ASYNCHRONOUS_IO 1
  72. /* The LFS support in asynchronous I/O is also available. */
  73. #define _LFS64_ASYNCHRONOUS_IO 1
  74. /* The rest of the LFS is also available. */
  75. #define _LFS_LARGEFILE 1
  76. #define _LFS64_LARGEFILE 1
  77. #define _LFS64_STDIO 1
  78. #endif /* posix_opt.h */