ReadScatterAtOffsetAsync()

static ValueTask< long > System.IO.RandomAccess.ReadScatterAtOffsetAsync ( SafeFileHandle handle, IReadOnlyList< Memory< byte > > buffers, long fileOffset, CancellationToken cancellationToken )

inlinestaticprivate

Definition at line 598 of file RandomAccess.cs.

    {
        if (!handle.IsAsync)
        {
            return ScheduleSyncReadScatterAtOffsetAsync(handle, buffers, fileOffset, cancellationToken);
        }
        if (CanUseScatterGatherWindowsAPIs(handle) && TryPrepareScatterGatherBuffers(buffers, default(MemoryHandler), out var handlesToDispose, out var segmentsPtr, out var totalBytes))
        {
            return ReadScatterAtOffsetSingleSyscallAsync(handle, handlesToDispose, segmentsPtr, fileOffset, totalBytes, cancellationToken);
        }
        return ReadScatterAtOffsetMultipleSyscallsAsync(handle, buffers, fileOffset, cancellationToken);
    }

References System.buffers, System.IO.RandomAccess.cancellationToken, System.IO.RandomAccess.CanUseScatterGatherWindowsAPIs(), System.IO.RandomAccess.fileOffset, System.handle, System.IO.RandomAccess.ReadScatterAtOffsetMultipleSyscallsAsync(), System.IO.RandomAccess.ReadScatterAtOffsetSingleSyscallAsync(), and System.IO.RandomAccess.ScheduleSyncReadScatterAtOffsetAsync().

Referenced by System.IO.RandomAccess.ReadAsync().