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TOMOYO Linux Cross Reference
Linux/include/asm-alpha/posix_types.h

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

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