ACE/ace/OS_NS_sys_sendfile.h

   1 // -*- C++ -*-
   2
   3 //=============================================================================
   4 /**
   5  *  @file    OS_NS_sys_sendfile.h
   6  *
   7  *  @author Ossama Othman <ossama@dre.vanderbilt.edu>
   8  */
   9 //=============================================================================
  10
  11 #ifndef ACE_OS_NS_SYS_SENDFILE_H
  12 #define ACE_OS_NS_SYS_SENDFILE_H
  13
  14 #include /**/ "ace/pre.h"
  15
  16 #include /**/ "ace/ACE_export.h"
  17
  18 #if !defined (ACE_LACKS_PRAGMA_ONCE)
  19 # pragma once
  20 #endif /* ACE_LACKS_PRAGMA_ONCE */
  21
  22 #include "ace/Basic_Types.h"  /* For ssize_t and off_t. */
  23 #include "ace/config-all.h"
  24
  25 #if defined (ACE_EXPORT_MACRO)
  26 #  undef ACE_EXPORT_MACRO
  27 #endif
  28 #define ACE_EXPORT_MACRO ACE_Export
  29
  30
  31 ACE_BEGIN_VERSIONED_NAMESPACE_DECL
  32
  33 namespace ACE_OS
  34 {
  35   /// Wrapper for sendfile to transfer data between file descriptor
  36   ACE_NAMESPACE_INLINE_FUNCTION
  37   ssize_t sendfile (ACE_HANDLE out_fd,
  38                     ACE_HANDLE in_fd,
  39                     off_t * offset,
  40                     size_t count);
  41
  42 #if defined ACE_HAS_SENDFILE && ACE_HAS_SENDFILE == 0
  43   extern ACE_Export
  44   ssize_t sendfile_emulation (ACE_HANDLE out_fd,
  45                               ACE_HANDLE in_fd,
  46                               off_t * offset,
  47                               size_t count);
  48 #endif  /* ACE_HAS_SENDFILE==0 */
  49
  50 }
  51
  52 ACE_END_VERSIONED_NAMESPACE_DECL
  53
  54 # if defined (ACE_HAS_INLINED_OSCALLS)
  55 #   if defined (ACE_INLINE)
  56 #     undef ACE_INLINE
  57 #   endif /* ACE_INLINE */
  58 #   define ACE_INLINE inline
  59 #   include "ace/OS_NS_sys_sendfile.inl"
  60 # endif /* ACE_HAS_INLINED_OSCALLS */
  61
  62 #include /**/ "ace/post.h"
  63
  64 #endif  /* ACE_OS_NS_SYS_SENDFILE_H */