uio.h

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/*
 * This file is part of the µOS++ project (https://micro-os-plus.github.io/).
 * Copyright (c) 2015-2025 Liviu Ionescu. All rights reserved.
 *
 * Permission to use, copy, modify, and/or distribute this software
 * for any purpose is hereby granted, under the terms of the MIT license.
 *
 * If a copy of the license was not distributed with this file, it can
 * be obtained from https://opensource.org/licenses/mit.
 */
 
#ifndef POSIX_IO_SYS_UIO_H_
#define POSIX_IO_SYS_UIO_H_
 
// ----------------------------------------------------------------------------
 
#include <unistd.h>
 
#if defined(_POSIX_VERSION)
 
#pragma GCC diagnostic push
#if defined(__clang__)
#pragma clang diagnostic ignored "-Wgnu-include-next"
#endif
#include_next <sys/uio.h>
#pragma GCC diagnostic pop
 
#else
 
#include <sys/types.h>
 
#ifdef __cplusplus
extern "C"
{
#endif
 
  // --------------------------------------------------------------------------
 
  struct iovec
  {
    void* iov_base; // Base address of a memory region for input or output.
    size_t iov_len; // The size of the memory pointed to by iov_base.
  };
 
  ssize_t
  writev (int fildes, const struct iovec* iov, int iovcnt);
 
  // --------------------------------------------------------------------------
 
#ifdef __cplusplus
}
#endif
 
#endif /* defined(_POSIX_VERSION) */
 
#endif /* POSIX_IO_SYS_UIO_H_ */