/// <summary>
/// Opens a file
/// </summary>
/// <param name="path">The path</param>
/// <param name="flags">The flags</param>
/// <returns>The file descriptor ID</returns>
public static int Open(string path, int flags)
{
if (path.Length == 0)
{
return(-(int)ErrorCode.EINVAL);
}
Node node = null;
// Check if O_CREATE
if ((flags & 0x0200) > 0)
{
node = VFS.GetOffsetNodeByPath(path, 1);
node = VFS.Create(node, "test");
if (node == null)
{
return(-(int)ErrorCode.ENOENT);
}
}
else
{
node = VFS.GetByPath(path);
if (node == null)
{
return(-(int)ErrorCode.ENOENT);
}
VFS.Open(node, flags);
}
FileDescriptors descriptors = Tasking.CurrentTask.FileDescriptors;
return(descriptors.AddNode(node));
}
/// <summary>
/// Creates a UNIX pipe
/// </summary>
/// <param name="pipefd">The pipe file descriptors (output)</param>
/// <returns>The errorcode</returns>
public static unsafe ErrorCode Pipe(int *pipefd)
{
Node[] nodes = new Node[2];
ErrorCode error = PipeFS.Create(nodes, PipeFS.DefaultPipeSize);
if (error != ErrorCode.SUCCESS)
{
Heap.Free(nodes);
return(error);
}
FileDescriptors descriptors = Tasking.CurrentTask.FileDescriptors;
pipefd[0] = descriptors.AddNode(nodes[0]);
pipefd[1] = descriptors.AddNode(nodes[1]);
Heap.Free(nodes);
return(ErrorCode.SUCCESS);
}
