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Linux/arch/mips/include/asm/posix_types.h

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  1 /*
  2  * This file is subject to the terms and conditions of the GNU General Public
  3  * License.  See the file "COPYING" in the main directory of this archive
  4  * for more details.
  5  *
  6  * Copyright (C) 1996, 97, 98, 99, 2000 by Ralf Baechle
  7  * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
  8  */
  9 #ifndef _ASM_POSIX_TYPES_H
 10 #define _ASM_POSIX_TYPES_H
 11 
 12 #include <asm/sgidefs.h>
 13 
 14 /*
 15  * This file is generally used by user-level software, so you need to
 16  * be a little careful about namespace pollution etc.  Also, we cannot
 17  * assume GCC is being used.
 18  */
 19 
 20 typedef unsigned long   __kernel_ino_t;
 21 typedef unsigned int    __kernel_mode_t;
 22 #if (_MIPS_SZLONG == 32)
 23 typedef unsigned long   __kernel_nlink_t;
 24 #endif
 25 #if (_MIPS_SZLONG == 64)
 26 typedef unsigned int    __kernel_nlink_t;
 27 #endif
 28 typedef long            __kernel_off_t;
 29 typedef int             __kernel_pid_t;
 30 typedef int             __kernel_ipc_pid_t;
 31 typedef unsigned int    __kernel_uid_t;
 32 typedef unsigned int    __kernel_gid_t;
 33 #if (_MIPS_SZLONG == 32)
 34 typedef unsigned int    __kernel_size_t;
 35 typedef int             __kernel_ssize_t;
 36 typedef int             __kernel_ptrdiff_t;
 37 #endif
 38 #if (_MIPS_SZLONG == 64)
 39 typedef unsigned long   __kernel_size_t;
 40 typedef long            __kernel_ssize_t;
 41 typedef long            __kernel_ptrdiff_t;
 42 #endif
 43 typedef long            __kernel_time_t;
 44 typedef long            __kernel_suseconds_t;
 45 typedef long            __kernel_clock_t;
 46 typedef int             __kernel_timer_t;
 47 typedef int             __kernel_clockid_t;
 48 typedef long            __kernel_daddr_t;
 49 typedef char *          __kernel_caddr_t;
 50 
 51 typedef unsigned short  __kernel_uid16_t;
 52 typedef unsigned short  __kernel_gid16_t;
 53 typedef unsigned int    __kernel_uid32_t;
 54 typedef unsigned int    __kernel_gid32_t;
 55 typedef __kernel_uid_t  __kernel_old_uid_t;
 56 typedef __kernel_gid_t  __kernel_old_gid_t;
 57 typedef unsigned int    __kernel_old_dev_t;
 58 
 59 #ifdef __GNUC__
 60 typedef long long      __kernel_loff_t;
 61 #endif
 62 
 63 typedef struct {
 64 #if (_MIPS_SZLONG == 32)
 65         long    val[2];
 66 #endif
 67 #if (_MIPS_SZLONG == 64)
 68         int     val[2];
 69 #endif
 70 } __kernel_fsid_t;
 71 
 72 #if defined(__KERNEL__)
 73 
 74 #undef __FD_SET
 75 static __inline__ void __FD_SET(unsigned long __fd, __kernel_fd_set *__fdsetp)
 76 {
 77         unsigned long __tmp = __fd / __NFDBITS;
 78         unsigned long __rem = __fd % __NFDBITS;
 79         __fdsetp->fds_bits[__tmp] |= (1UL<<__rem);
 80 }
 81 
 82 #undef __FD_CLR
 83 static __inline__ void __FD_CLR(unsigned long __fd, __kernel_fd_set *__fdsetp)
 84 {
 85         unsigned long __tmp = __fd / __NFDBITS;
 86         unsigned long __rem = __fd % __NFDBITS;
 87         __fdsetp->fds_bits[__tmp] &= ~(1UL<<__rem);
 88 }
 89 
 90 #undef __FD_ISSET
 91 static __inline__ int __FD_ISSET(unsigned long __fd, const __kernel_fd_set *__p)
 92 {
 93         unsigned long __tmp = __fd / __NFDBITS;
 94         unsigned long __rem = __fd % __NFDBITS;
 95         return (__p->fds_bits[__tmp] & (1UL<<__rem)) != 0;
 96 }
 97 
 98 /*
 99  * This will unroll the loop for the normal constant case (8 ints,
100  * for a 256-bit fd_set)
101  */
102 #undef __FD_ZERO
103 static __inline__ void __FD_ZERO(__kernel_fd_set *__p)
104 {
105         unsigned long *__tmp = __p->fds_bits;
106         int __i;
107 
108         if (__builtin_constant_p(__FDSET_LONGS)) {
109                 switch (__FDSET_LONGS) {
110                 case 16:
111                         __tmp[ 0] = 0; __tmp[ 1] = 0;
112                         __tmp[ 2] = 0; __tmp[ 3] = 0;
113                         __tmp[ 4] = 0; __tmp[ 5] = 0;
114                         __tmp[ 6] = 0; __tmp[ 7] = 0;
115                         __tmp[ 8] = 0; __tmp[ 9] = 0;
116                         __tmp[10] = 0; __tmp[11] = 0;
117                         __tmp[12] = 0; __tmp[13] = 0;
118                         __tmp[14] = 0; __tmp[15] = 0;
119                         return;
120 
121                 case 8:
122                         __tmp[ 0] = 0; __tmp[ 1] = 0;
123                         __tmp[ 2] = 0; __tmp[ 3] = 0;
124                         __tmp[ 4] = 0; __tmp[ 5] = 0;
125                         __tmp[ 6] = 0; __tmp[ 7] = 0;
126                         return;
127 
128                 case 4:
129                         __tmp[ 0] = 0; __tmp[ 1] = 0;
130                         __tmp[ 2] = 0; __tmp[ 3] = 0;
131                         return;
132                 }
133         }
134         __i = __FDSET_LONGS;
135         while (__i) {
136                 __i--;
137                 *__tmp = 0;
138                 __tmp++;
139         }
140 }
141 
142 #endif /* defined(__KERNEL__) */
143 
144 #endif /* _ASM_POSIX_TYPES_H */
145 

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