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TOMOYO Linux Cross Reference
Linux/arch/x86/include/asm/posix_types_64.h

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  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 
 10 typedef unsigned long   __kernel_ino_t;
 11 typedef unsigned int    __kernel_mode_t;
 12 typedef unsigned long   __kernel_nlink_t;
 13 typedef long            __kernel_off_t;
 14 typedef int             __kernel_pid_t;
 15 typedef int             __kernel_ipc_pid_t;
 16 typedef unsigned int    __kernel_uid_t;
 17 typedef unsigned int    __kernel_gid_t;
 18 typedef unsigned long   __kernel_size_t;
 19 typedef long            __kernel_ssize_t;
 20 typedef long            __kernel_ptrdiff_t;
 21 typedef long            __kernel_time_t;
 22 typedef long            __kernel_suseconds_t;
 23 typedef long            __kernel_clock_t;
 24 typedef int             __kernel_timer_t;
 25 typedef int             __kernel_clockid_t;
 26 typedef int             __kernel_daddr_t;
 27 typedef char *          __kernel_caddr_t;
 28 typedef unsigned short  __kernel_uid16_t;
 29 typedef unsigned short  __kernel_gid16_t;
 30 
 31 #ifdef __GNUC__
 32 typedef long long       __kernel_loff_t;
 33 #endif
 34 
 35 typedef struct {
 36         int     val[2];
 37 } __kernel_fsid_t;
 38 
 39 typedef unsigned short __kernel_old_uid_t;
 40 typedef unsigned short __kernel_old_gid_t;
 41 typedef __kernel_uid_t __kernel_uid32_t;
 42 typedef __kernel_gid_t __kernel_gid32_t;
 43 
 44 typedef unsigned long   __kernel_old_dev_t;
 45 
 46 #ifdef __KERNEL__
 47 
 48 #undef __FD_SET
 49 static 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
 57 static 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
 65 static 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
 77 static 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 */
120 

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