cutils/uio.h

   1 /*
   2  * Copyright (C) 2007 The Android Open Source Project
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 //
  18 // implementation of sys/uio.h for platforms that don't have it (Win32)
  19 //
  20 #ifndef _LIBS_CUTILS_UIO_H
  21 #define _LIBS_CUTILS_UIO_H
  22
  23 #ifdef HAVE_SYS_UIO_H
  24 #include <sys/uio.h>
  25 #else
  26
  27 #ifdef __cplusplus
  28 extern "C" {
  29 #endif
  30
  31 #include <stddef.h>
  32
  33 struct iovec {
  34     const void*  iov_base;
  35     size_t       iov_len;
  36 };
  37
  38 extern int  readv( int  fd, struct iovec*  vecs, int  count );
  39 extern int  writev( int  fd, const struct iovec*  vecs, int  count );
  40
  41 #ifdef __cplusplus
  42 }
  43 #endif
  44
  45 #endif /* !HAVE_SYS_UIO_H */
  46
  47 #endif /* _LIBS_UTILS_UIO_H */
  48