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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System.Runtime.InteropServices;
using Microsoft.Win32.SafeHandles;
internal static partial class Interop
{
internal static partial class Sys
{
/// <summary>
/// Writes the specified buffer to the provided open file descriptor
/// </summary>
/// <param name="fd">The file descriptor to try and write to</param>
/// <param name="buffer">The data to attempt to write</param>
/// <param name="bufferSize">The amount of data to write, in bytes</param>
/// <returns>
/// Returns the number of bytes written on success; otherwise, returns -1 and sets errno
/// </returns>
[DllImport(Libraries.SystemNative, EntryPoint = "SystemNative_Write", SetLastError = true)]
internal static extern unsafe int Write(SafeFileHandle fd, byte* buffer, int bufferSize);
[DllImport(Libraries.SystemNative, EntryPoint = "SystemNative_Write", SetLastError = true)]
internal static extern unsafe int Write(int fd, byte* buffer, int bufferSize);
}
}
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