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Linux/include/asm-ia64/posix_types.h

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  1 #ifndef _ASM_IA64_POSIX_TYPES_H
  2 #define _ASM_IA64_POSIX_TYPES_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  * Copyright (C) 1998-2000, 2003 Hewlett-Packard Co
 10  *      David Mosberger-Tang <davidm@hpl.hp.com>
 11  */
 12 
 13 typedef unsigned long   __kernel_ino_t;
 14 typedef unsigned int    __kernel_mode_t;
 15 typedef unsigned int    __kernel_nlink_t;
 16 typedef long            __kernel_off_t;
 17 typedef long long       __kernel_loff_t;
 18 typedef int             __kernel_pid_t;
 19 typedef int             __kernel_ipc_pid_t;
 20 typedef unsigned int    __kernel_uid_t;
 21 typedef unsigned int    __kernel_gid_t;
 22 typedef unsigned long   __kernel_size_t;
 23 typedef long            __kernel_ssize_t;
 24 typedef long            __kernel_ptrdiff_t;
 25 typedef long            __kernel_time_t;
 26 typedef long            __kernel_suseconds_t;
 27 typedef long            __kernel_clock_t;
 28 typedef int             __kernel_timer_t;
 29 typedef int             __kernel_clockid_t;
 30 typedef int             __kernel_daddr_t;
 31 typedef char *          __kernel_caddr_t;
 32 typedef unsigned long   __kernel_sigset_t;      /* at least 32 bits */
 33 typedef unsigned short  __kernel_uid16_t;
 34 typedef unsigned short  __kernel_gid16_t;
 35 
 36 typedef struct {
 37         int     val[2];
 38 } __kernel_fsid_t;
 39 
 40 typedef __kernel_uid_t __kernel_old_uid_t;
 41 typedef __kernel_gid_t __kernel_old_gid_t;
 42 typedef __kernel_uid_t __kernel_uid32_t;
 43 typedef __kernel_gid_t __kernel_gid32_t;
 44 
 45 typedef unsigned int    __kernel_old_dev_t;
 46 
 47 # ifdef __KERNEL__
 48 
 49 #  ifndef __GNUC__
 50 
 51 #define __FD_SET(d, set)        ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
 52 #define __FD_CLR(d, set)        ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
 53 #define __FD_ISSET(d, set)      (((set)->fds_bits[__FDELT(d)] & __FDMASK(d)) != 0)
 54 #define __FD_ZERO(set)  \
 55   ((void) memset ((__ptr_t) (set), 0, sizeof (__kernel_fd_set)))
 56 
 57 #  else /* !__GNUC__ */
 58 
 59 /* With GNU C, use inline functions instead so args are evaluated only once: */
 60 
 61 #undef __FD_SET
 62 static __inline__ void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp)
 63 {
 64         unsigned long _tmp = fd / __NFDBITS;
 65         unsigned long _rem = fd % __NFDBITS;
 66         fdsetp->fds_bits[_tmp] |= (1UL<<_rem);
 67 }
 68 
 69 #undef __FD_CLR
 70 static __inline__ void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp)
 71 {
 72         unsigned long _tmp = fd / __NFDBITS;
 73         unsigned long _rem = fd % __NFDBITS;
 74         fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem);
 75 }
 76 
 77 #undef __FD_ISSET
 78 static __inline__ int __FD_ISSET(unsigned long fd, const __kernel_fd_set *p)
 79 { 
 80         unsigned long _tmp = fd / __NFDBITS;
 81         unsigned long _rem = fd % __NFDBITS;
 82         return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0;
 83 }
 84 
 85 /*
 86  * This will unroll the loop for the normal constant case (8 ints,
 87  * for a 256-bit fd_set)
 88  */
 89 #undef __FD_ZERO
 90 static __inline__ void __FD_ZERO(__kernel_fd_set *p)
 91 {
 92         unsigned long *tmp = p->fds_bits;
 93         int i;
 94 
 95         if (__builtin_constant_p(__FDSET_LONGS)) {
 96                 switch (__FDSET_LONGS) {
 97                       case 16:
 98                         tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
 99                         tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
100                         tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0;
101                         tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0;
102                         return;
103 
104                       case 8:
105                         tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
106                         tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
107                         return;
108 
109                       case 4:
110                         tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
111                         return;
112                 }
113         }
114         i = __FDSET_LONGS;
115         while (i) {
116                 i--;
117                 *tmp = 0;
118                 tmp++;
119         }
120 }
121 
122 #  endif /* !__GNUC__ */
123 # endif /* __KERNEL__ */
124 #endif /* _ASM_IA64_POSIX_TYPES_H */
125 

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