/arch/x86/include/asm/posix_types_64.h

  1#ifndef _ASM_X86_POSIX_TYPES_64_H
  2#define _ASM_X86_POSIX_TYPES_64_H
  3
  4/*
  5 * This file is generally used by user-level software, so you need to
  6 * be a little careful about namespace pollution etc.  Also, we cannot
  7 * assume GCC is being used.
  8 */
  9
 10typedef unsigned long	__kernel_ino_t;
 11typedef unsigned int	__kernel_mode_t;
 12typedef unsigned long	__kernel_nlink_t;
 13typedef long		__kernel_off_t;
 14typedef int		__kernel_pid_t;
 15typedef int		__kernel_ipc_pid_t;
 16typedef unsigned int	__kernel_uid_t;
 17typedef unsigned int	__kernel_gid_t;
 18typedef unsigned long	__kernel_size_t;
 19typedef long		__kernel_ssize_t;
 20typedef long		__kernel_ptrdiff_t;
 21typedef long		__kernel_time_t;
 22typedef long		__kernel_suseconds_t;
 23typedef long		__kernel_clock_t;
 24typedef int		__kernel_timer_t;
 25typedef int		__kernel_clockid_t;
 26typedef int		__kernel_daddr_t;
 27typedef char *		__kernel_caddr_t;
 28typedef unsigned short	__kernel_uid16_t;
 29typedef unsigned short	__kernel_gid16_t;
 30
 31#ifdef __GNUC__
 32typedef long long	__kernel_loff_t;
 33#endif
 34
 35typedef struct {
 36	int	val[2];
 37} __kernel_fsid_t;
 38
 39typedef unsigned short __kernel_old_uid_t;
 40typedef unsigned short __kernel_old_gid_t;
 41typedef __kernel_uid_t __kernel_uid32_t;
 42typedef __kernel_gid_t __kernel_gid32_t;
 43
 44typedef unsigned long	__kernel_old_dev_t;
 45
 46#ifdef __KERNEL__
 47
 48#undef __FD_SET
 49static inline void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp)
 50{
 51	unsigned long _tmp = fd / __NFDBITS;
 52	unsigned long _rem = fd % __NFDBITS;
 53	fdsetp->fds_bits[_tmp] |= (1UL<<_rem);
 54}
 55
 56#undef __FD_CLR
 57static inline void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp)
 58{
 59	unsigned long _tmp = fd / __NFDBITS;
 60	unsigned long _rem = fd % __NFDBITS;
 61	fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem);
 62}
 63
 64#undef __FD_ISSET
 65static inline int __FD_ISSET(unsigned long fd, __const__ __kernel_fd_set *p)
 66{
 67	unsigned long _tmp = fd / __NFDBITS;
 68	unsigned long _rem = fd % __NFDBITS;
 69	return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0;
 70}
 71
 72/*
 73 * This will unroll the loop for the normal constant cases (8 or 32 longs,
 74 * for 256 and 1024-bit fd_sets respectively)
 75 */
 76#undef __FD_ZERO
 77static inline void __FD_ZERO(__kernel_fd_set *p)
 78{
 79	unsigned long *tmp = p->fds_bits;
 80	int i;
 81
 82	if (__builtin_constant_p(__FDSET_LONGS)) {
 83		switch (__FDSET_LONGS) {
 84		case 32:
 85			tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
 86			tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
 87			tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0;
 88			tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0;
 89			tmp[16] = 0; tmp[17] = 0; tmp[18] = 0; tmp[19] = 0;
 90			tmp[20] = 0; tmp[21] = 0; tmp[22] = 0; tmp[23] = 0;
 91			tmp[24] = 0; tmp[25] = 0; tmp[26] = 0; tmp[27] = 0;
 92			tmp[28] = 0; tmp[29] = 0; tmp[30] = 0; tmp[31] = 0;
 93			return;
 94		case 16:
 95			tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
 96			tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
 97			tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0;
 98			tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0;
 99			return;
100		case 8:
101			tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
102			tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
103			return;
104		case 4:
105			tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
106			return;
107		}
108	}
109	i = __FDSET_LONGS;
110	while (i) {
111		i--;
112		*tmp = 0;
113		tmp++;
114	}
115}
116
117#endif /* defined(__KERNEL__) */
118
119#endif /* _ASM_X86_POSIX_TYPES_64_H */