include/asm-ia64/posix_types.h

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