// Copyright 2019 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
library zx;

@transport("Syscall")
@no_protocol_prefix
protocol handlefuncs {
    /// Close a handle.
    /// Rights: None.
    handle_close(resource struct {
        @release
        handle handle;
    }) -> (struct {
        status status;
    });

    /// Close a number of handles.
    /// Rights: None.
    handle_close_many(resource struct {
        @release
        handles vector<handle>;
    }) -> (struct {
        status status;
    });

    /// Duplicate a handle.
    /// Rights: handle must have ZX_RIGHT_DUPLICATE.
    handle_duplicate(resource struct {
        handle handle;
        rights rights;
    }) -> (resource struct {
        status status;
        out handle;
    });

    /// Replace a handle.
    /// Rights: None.
    handle_replace(resource struct {
        @release
        handle handle;
        rights rights;
    }) -> (resource struct {
        status status;
        out handle;
    });
};