// -*- C++ -*-//=============================================================================/** *  @file    os_uio.h * *  definitions for vector I/O operations * *  os_uio.h,v 1.6 2004/08/25 16:05:42 shuston Exp * *  @author Don Hinton <dhinton@dresystems.com> *  @author This code was originally in various places including ace/OS.h. *///=============================================================================#ifndef ACE_OS_INCLUDE_SYS_OS_UIO_H#define ACE_OS_INCLUDE_SYS_OS_UIO_H#include /**/ "ace/pre.h"#include "ace/config-lite.h"#if !defined (ACE_LACKS_PRAGMA_ONCE)# pragma once#endif /* ACE_LACKS_PRAGMA_ONCE */#include "ace/os_include/sys/os_types.h"#include "ace/os_include/os_limits.h"#if !defined (ACE_LACKS_SYS_UIO_H)#  include /**/ <sys/uio.h>#endif /* !ACE_LACKS_SYS_UIO_H */// Place all additions (especially function declarations) within extern "C" {}#ifdef __cplusplusextern "C"{#endif /* __cplusplus */// todo: make this a regular ACE_LACKS macro test...#if defined(__rtems__)   struct iovec {     /// Base address.     char *iov_base;     /// Length.     size_t iov_len;   };#elif defined (ACE_WIN32)   /// The ordering of the fields in this struct is important.  It has to   /// match those in WSABUF.   struct iovec   {     /// byte count to read/write     u_long iov_len;     /// data to be read/written     char *iov_base;     // WSABUF is a Winsock2-only type.#  if defined (ACE_HAS_WINSOCK2) && (ACE_HAS_WINSOCK2 != 0)     operator WSABUF &(void) { return *((WSABUF *) this); }#  endif /* defined (ACE_HAS_WINSOCK2) && (ACE_HAS_WINSOCK2 != 0) */   };#endif /* __rtems__ */# if defined (ACE_LACKS_TIMEDWAIT_PROTOTYPES)  ssize_t readv_timedwait (ACE_HANDLE handle,                           const iovec *iov,                           int iovcnt,                           struct timespec* timeout);  ssize_t writev_timedwait (ACE_HANDLE handle,                            const iovec *iov,                            int iovcnt,                            struct timespec *timeout);# endif /* ACE_LACKS_TIMEDWAIT_PROTOTYPES */#ifdef __cplusplus}#endif /* __cplusplus */#include /**/ "ace/post.h"#endif /* ACE_OS_INCLUDE_SYS_OS_UIO_H */