posix_types.h 3.1 KB

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  1. /* $Id: posix_types.h,v 1.6 2000/02/04 23:32:54 ralf Exp $
  2. *
  3. * This file is subject to the terms and conditions of the GNU General Public
  4. * License. See the file "COPYING" in the main directory of this archive
  5. * for more details.
  6. *
  7. * Copyright (C) 1996, 1997, 1998, 2000 by Ralf Baechle
  8. */
  9. #ifndef _ASM_POSIX_TYPES_H
  10. #define _ASM_POSIX_TYPES_H
  11. /*
  12. * This file is generally used by user-level software, so you need to
  13. * be a little careful about namespace pollution etc. Also, we cannot
  14. * assume GCC is being used.
  15. */
  16. typedef unsigned int __kernel_dev_t;
  17. typedef unsigned long __kernel_ino_t;
  18. typedef unsigned int __kernel_mode_t;
  19. typedef int __kernel_nlink_t;
  20. typedef long __kernel_off_t;
  21. typedef int __kernel_pid_t;
  22. typedef int __kernel_ipc_pid_t;
  23. typedef int __kernel_uid_t;
  24. typedef int __kernel_gid_t;
  25. typedef unsigned int __kernel_size_t;
  26. typedef int __kernel_ssize_t;
  27. typedef int __kernel_ptrdiff_t;
  28. typedef long __kernel_time_t;
  29. typedef long __kernel_suseconds_t;
  30. typedef long __kernel_clock_t;
  31. typedef long __kernel_daddr_t;
  32. typedef char * __kernel_caddr_t;
  33. typedef unsigned short __kernel_uid16_t;
  34. typedef unsigned short __kernel_gid16_t;
  35. typedef int __kernel_uid32_t;
  36. typedef int __kernel_gid32_t;
  37. typedef __kernel_uid_t __kernel_old_uid_t;
  38. typedef __kernel_gid_t __kernel_old_gid_t;
  39. #ifdef __GNUC__
  40. typedef long long __kernel_loff_t;
  41. #endif
  42. typedef struct {
  43. long val[2];
  44. } __kernel_fsid_t;
  45. #if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2)
  46. #undef __FD_SET
  47. static __inline__ void __FD_SET(unsigned long __fd, __kernel_fd_set *__fdsetp)
  48. {
  49. unsigned long __tmp = __fd / __NFDBITS;
  50. unsigned long __rem = __fd % __NFDBITS;
  51. __fdsetp->fds_bits[__tmp] |= (1UL<<__rem);
  52. }
  53. #undef __FD_CLR
  54. static __inline__ void __FD_CLR(unsigned long __fd, __kernel_fd_set *__fdsetp)
  55. {
  56. unsigned long __tmp = __fd / __NFDBITS;
  57. unsigned long __rem = __fd % __NFDBITS;
  58. __fdsetp->fds_bits[__tmp] &= ~(1UL<<__rem);
  59. }
  60. #undef __FD_ISSET
  61. static __inline__ int __FD_ISSET(unsigned long __fd, const __kernel_fd_set *__p)
  62. {
  63. unsigned long __tmp = __fd / __NFDBITS;
  64. unsigned long __rem = __fd % __NFDBITS;
  65. return (__p->fds_bits[__tmp] & (1UL<<__rem)) != 0;
  66. }
  67. /*
  68. * This will unroll the loop for the normal constant case (8 ints,
  69. * for a 256-bit fd_set)
  70. */
  71. #undef __FD_ZERO
  72. static __inline__ void __FD_ZERO(__kernel_fd_set *__p)
  73. {
  74. unsigned long *__tmp = __p->fds_bits;
  75. int __i;
  76. if (__builtin_constant_p(__FDSET_LONGS)) {
  77. switch (__FDSET_LONGS) {
  78. case 16:
  79. __tmp[ 0] = 0; __tmp[ 1] = 0;
  80. __tmp[ 2] = 0; __tmp[ 3] = 0;
  81. __tmp[ 4] = 0; __tmp[ 5] = 0;
  82. __tmp[ 6] = 0; __tmp[ 7] = 0;
  83. __tmp[ 8] = 0; __tmp[ 9] = 0;
  84. __tmp[10] = 0; __tmp[11] = 0;
  85. __tmp[12] = 0; __tmp[13] = 0;
  86. __tmp[14] = 0; __tmp[15] = 0;
  87. return;
  88. case 8:
  89. __tmp[ 0] = 0; __tmp[ 1] = 0;
  90. __tmp[ 2] = 0; __tmp[ 3] = 0;
  91. __tmp[ 4] = 0; __tmp[ 5] = 0;
  92. __tmp[ 6] = 0; __tmp[ 7] = 0;
  93. return;
  94. case 4:
  95. __tmp[ 0] = 0; __tmp[ 1] = 0;
  96. __tmp[ 2] = 0; __tmp[ 3] = 0;
  97. return;
  98. }
  99. }
  100. __i = __FDSET_LONGS;
  101. while (__i) {
  102. __i--;
  103. *__tmp = 0;
  104. __tmp++;
  105. }
  106. }
  107. #endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */
  108. #endif /* _ASM_POSIX_TYPES_H */