LXR uboot/arch/sparc/include/asm/posix

   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 * SPDX-License-Identifier:     GPL-2.0+
   9 */
  10
  11#ifndef __SPARC_POSIX_TYPES_H__
  12#define __SPARC_POSIX_TYPES_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
  20typedef unsigned int __kernel_dev_t;
  21typedef unsigned int __kernel_ino_t;
  22typedef unsigned int __kernel_mode_t;
  23typedef unsigned short __kernel_nlink_t;
  24typedef long __kernel_off_t;
  25typedef int __kernel_pid_t;
  26typedef unsigned int __kernel_uid_t;
  27typedef unsigned int __kernel_gid_t;
  28typedef unsigned int __kernel_size_t;
  29typedef int __kernel_ssize_t;
  30typedef long __kernel_ptrdiff_t;
  31typedef long __kernel_time_t;
  32typedef long __kernel_suseconds_t;
  33typedef long __kernel_clock_t;
  34typedef int __kernel_daddr_t;
  35typedef char *__kernel_caddr_t;
  36typedef short __kernel_ipc_pid_t;
  37typedef unsigned short __kernel_uid16_t;
  38typedef unsigned short __kernel_gid16_t;
  39typedef unsigned int __kernel_uid32_t;
  40typedef unsigned int __kernel_gid32_t;
  41
  42typedef unsigned int __kernel_old_uid_t;
  43typedef unsigned int __kernel_old_gid_t;
  44
  45#ifdef __GNUC__
  46typedef long long __kernel_loff_t;
  47#endif
  48
  49typedef struct {
  50        int val[2];
  51} __kernel_fsid_t;
  52
  53#ifndef __GNUC__
  54
  55#define __FD_SET(d, set)        ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
  56#define __FD_CLR(d, set)        ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
  57#define __FD_ISSET(d, set)      ((set)->fds_bits[__FDELT(d)] & __FDMASK(d))
  58#define __FD_ZERO(set)  \
  59  ((void) memset ((__ptr_t) (set), 0, sizeof (__kernel_fd_set)))
  60
  61#else                           /* __GNUC__ */
  62
  63#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) \
  64    || (__GLIBC__ == 2 && __GLIBC_MINOR__ == 0)
  65/* With GNU C, use inline functions instead so args are evaluated only once: */
  66
  67#undef __FD_SET
  68static __inline__ void __FD_SET(unsigned long fd, __kernel_fd_set * fdsetp)
  69{
  70        unsigned long _tmp = fd / __NFDBITS;
  71        unsigned long _rem = fd % __NFDBITS;
  72        fdsetp->fds_bits[_tmp] |= (1UL << _rem);
  73}
  74
  75#undef __FD_CLR
  76static __inline__ void __FD_CLR(unsigned long fd, __kernel_fd_set * fdsetp)
  77{
  78        unsigned long _tmp = fd / __NFDBITS;
  79        unsigned long _rem = fd % __NFDBITS;
  80        fdsetp->fds_bits[_tmp] &= ~(1UL << _rem);
  81}
  82
  83#undef __FD_ISSET
  84static __inline__ int __FD_ISSET(unsigned long fd, __kernel_fd_set * p)
  85{
  86        unsigned long _tmp = fd / __NFDBITS;
  87        unsigned long _rem = fd % __NFDBITS;
  88        return (p->fds_bits[_tmp] & (1UL << _rem)) != 0;
  89}
  90
  91/*
  92 * This will unroll the loop for the normal constant case (8 ints,
  93 * for a 256-bit fd_set)
  94 */
  95#undef __FD_ZERO
  96static __inline__ void __FD_ZERO(__kernel_fd_set * p)
  97{
  98        unsigned int *tmp = (unsigned int *)p->fds_bits;
  99        int i;
 100
 101        if (__builtin_constant_p(__FDSET_LONGS)) {
 102                switch (__FDSET_LONGS) {
 103                case 8:
 104                        tmp[0] = 0;
 105                        tmp[1] = 0;
 106                        tmp[2] = 0;
 107                        tmp[3] = 0;
 108                        tmp[4] = 0;
 109                        tmp[5] = 0;
 110                        tmp[6] = 0;
 111                        tmp[7] = 0;
 112                        return;
 113                }
 114        }
 115        i = __FDSET_LONGS;
 116        while (i) {
 117                i--;
 118                *tmp = 0;
 119                tmp++;
 120        }
 121}
 122
 123#endif                          /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */
 124#endif                          /* __GNUC__ */
 125#endif                          /* _SPARC_POSIX_TYPES_H */
 126