include/sys/uio.h

   1 #ifndef _SYS_UIO_H
   2 #define _SYS_UIO_H
   3
   4 #ifdef __cplusplus
   5 extern "C" {
   6 #endif
   7
   8 #include <features.h>
   9
  10 #define __NEED_size_t
  11 #define __NEED_ssize_t
  12 #define __NEED_struct_iovec
  13
  14 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
  15 #define __NEED_off_t
  16 #endif
  17
  18 #ifdef _GNU_SOURCE
  19 #define __NEED_pid_t
  20 #endif
  21
  22 #include <bits/alltypes.h>
  23
  24 #define UIO_MAXIOV 1024
  25
  26 ssize_t readv (int, const struct iovec *, int);
  27 ssize_t writev (int, const struct iovec *, int);
  28
  29 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
  30 ssize_t preadv (int, const struct iovec *, int, off_t);
  31 ssize_t pwritev (int, const struct iovec *, int, off_t);
  32 #if defined(_LARGEFILE64_SOURCE)
  33 #define preadv64 preadv
  34 #define pwritev64 pwritev
  35 #define off64_t off_t
  36 #endif
  37 #endif
  38
  39 #ifdef _GNU_SOURCE
  40 ssize_t process_vm_writev(pid_t, const struct iovec *, unsigned long, const struct iovec *, unsigned long, unsigned long);
  41 ssize_t process_vm_readv(pid_t, const struct iovec *, unsigned long, const struct iovec *, unsigned long, unsigned long);
  42 ssize_t preadv2 (int, const struct iovec *, int, off_t, int);
  43 ssize_t pwritev2 (int, const struct iovec *, int, off_t, int);
  44 #define RWF_HIPRI 0x00000001
  45 #define RWF_DSYNC 0x00000002
  46 #define RWF_SYNC 0x00000004
  47 #define RWF_NOWAIT 0x00000008
  48 #define RWF_APPEND 0x00000010
  49 #define RWF_NOAPPEND 0x00000020
  50 #endif
  51
  52 #ifdef __cplusplus
  53 }
  54 #endif
  55
  56 #endif