arch/sparc/include/asm/posix_types.h

   1 /*
   2  * (C) Copyright 2000 - 2002
   3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4  *
   5  * (C) Copyright 2007, taken from asm-ppc/posix_types.h
   6  * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  *
  23  */
  24
  25 #ifndef __SPARC_POSIX_TYPES_H__
  26 #define __SPARC_POSIX_TYPES_H__
  27
  28 /*
  29  * This file is generally used by user-level software, so you need to
  30  * be a little careful about namespace pollution etc.  Also, we cannot
  31  * assume GCC is being used.
  32  */
  33
  34 typedef unsigned int __kernel_dev_t;
  35 typedef unsigned int __kernel_ino_t;
  36 typedef unsigned int __kernel_mode_t;
  37 typedef unsigned short __kernel_nlink_t;
  38 typedef long __kernel_off_t;
  39 typedef int __kernel_pid_t;
  40 typedef unsigned int __kernel_uid_t;
  41 typedef unsigned int __kernel_gid_t;
  42 typedef unsigned int __kernel_size_t;
  43 typedef int __kernel_ssize_t;
  44 typedef long __kernel_ptrdiff_t;
  45 typedef long __kernel_time_t;
  46 typedef long __kernel_suseconds_t;
  47 typedef long __kernel_clock_t;
  48 typedef int __kernel_daddr_t;
  49 typedef char *__kernel_caddr_t;
  50 typedef short __kernel_ipc_pid_t;
  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
  56 typedef unsigned int __kernel_old_uid_t;
  57 typedef unsigned int __kernel_old_gid_t;
  58
  59 #ifdef __GNUC__
  60 typedef long long __kernel_loff_t;
  61 #endif
  62
  63 typedef struct {
  64         int val[2];
  65 } __kernel_fsid_t;
  66
  67 #ifndef __GNUC__
  68
  69 #define __FD_SET(d, set)        ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
  70 #define __FD_CLR(d, set)        ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
  71 #define __FD_ISSET(d, set)      ((set)->fds_bits[__FDELT(d)] & __FDMASK(d))
  72 #define __FD_ZERO(set)  \
  73   ((void) memset ((__ptr_t) (set), 0, sizeof (__kernel_fd_set)))
  74
  75 #else                           /* __GNUC__ */
  76
  77 #if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) \
  78     || (__GLIBC__ == 2 && __GLIBC_MINOR__ == 0)
  79 /* With GNU C, use inline functions instead so args are evaluated only once: */
  80
  81 #undef __FD_SET
  82 static __inline__ void __FD_SET(unsigned long fd, __kernel_fd_set * fdsetp)
  83 {
  84         unsigned long _tmp = fd / __NFDBITS;
  85         unsigned long _rem = fd % __NFDBITS;
  86         fdsetp->fds_bits[_tmp] |= (1UL << _rem);
  87 }
  88
  89 #undef __FD_CLR
  90 static __inline__ void __FD_CLR(unsigned long fd, __kernel_fd_set * fdsetp)
  91 {
  92         unsigned long _tmp = fd / __NFDBITS;
  93         unsigned long _rem = fd % __NFDBITS;
  94         fdsetp->fds_bits[_tmp] &= ~(1UL << _rem);
  95 }
  96
  97 #undef __FD_ISSET
  98 static __inline__ int __FD_ISSET(unsigned long fd, __kernel_fd_set * p)
  99 {
 100         unsigned long _tmp = fd / __NFDBITS;
 101         unsigned long _rem = fd % __NFDBITS;
 102         return (p->fds_bits[_tmp] & (1UL << _rem)) != 0;
 103 }
 104
 105 /*
 106  * This will unroll the loop for the normal constant case (8 ints,
 107  * for a 256-bit fd_set)
 108  */
 109 #undef __FD_ZERO
 110 static __inline__ void __FD_ZERO(__kernel_fd_set * p)
 111 {
 112         unsigned int *tmp = (unsigned int *)p->fds_bits;
 113         int i;
 114
 115         if (__builtin_constant_p(__FDSET_LONGS)) {
 116                 switch (__FDSET_LONGS) {
 117                 case 8:
 118                         tmp[0] = 0;
 119                         tmp[1] = 0;
 120                         tmp[2] = 0;
 121                         tmp[3] = 0;
 122                         tmp[4] = 0;
 123                         tmp[5] = 0;
 124                         tmp[6] = 0;
 125                         tmp[7] = 0;
 126                         return;
 127                 }
 128         }
 129         i = __FDSET_LONGS;
 130         while (i) {
 131                 i--;
 132                 *tmp = 0;
 133                 tmp++;
 134         }
 135 }
 136
 137 #endif                          /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */
 138 #endif                          /* __GNUC__ */
 139 #endif                          /* _SPARC_POSIX_TYPES_H */