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// Copyright 2023 The Servo Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

use crate::base::{mach_port_t, Boolean};
pub use crate::base::{CFAllocatorRef, CFIndex, CFTypeID};
use crate::runloop::CFRunLoopSourceRef;
use crate::string::CFStringRef;
use std::os::raw::c_void;

#[repr(C)]
pub struct __CFMachPort(c_void);
pub type CFMachPortRef = *mut __CFMachPort;

pub type CFMachPortCallBack =
    extern "C" fn(port: CFMachPortRef, msg: *mut c_void, size: CFIndex, info: *mut c_void);
pub type CFMachPortInvalidationCallBack = extern "C" fn(port: CFMachPortRef, info: *mut c_void);

#[repr(C)]
#[derive(Clone, Copy)]
pub struct CFMachPortContext {
    pub version: CFIndex,
    pub info: *mut c_void,
    pub retain: extern "C" fn(info: *const c_void) -> *const c_void,
    pub release: extern "C" fn(info: *const c_void),
    pub copyDescription: extern "C" fn(info: *const c_void) -> CFStringRef,
}

extern "C" {
    /*
     * CFMachPort.h
     */

    /* Creating a CFMachPort Object */
    pub fn CFMachPortCreate(
        allocator: CFAllocatorRef,
        callout: CFMachPortCallBack,
        context: *mut CFMachPortContext,
        shouldFreeInfo: *mut Boolean,
    ) -> CFMachPortRef;
    pub fn CFMachPortCreateWithPort(
        allocator: CFAllocatorRef,
        portNum: mach_port_t,
        callout: CFMachPortCallBack,
        context: *mut CFMachPortContext,
        shouldFreeInfo: *mut Boolean,
    ) -> CFMachPortRef;

    /* Configuring a CFMachPort Object */
    pub fn CFMachPortInvalidate(port: CFMachPortRef);
    pub fn CFMachPortCreateRunLoopSource(
        allocator: CFAllocatorRef,
        port: CFMachPortRef,
        order: CFIndex,
    ) -> CFRunLoopSourceRef;
    pub fn CFMachPortSetInvalidationCallBack(
        port: CFMachPortRef,
        callout: CFMachPortInvalidationCallBack,
    );

    /* Examining a CFMachPort Object */
    pub fn CFMachPortGetContext(port: CFMachPortRef, context: *mut CFMachPortContext);
    pub fn CFMachPortGetInvalidationCallBack(port: CFMachPortRef)
        -> CFMachPortInvalidationCallBack;
    pub fn CFMachPortGetPort(port: CFMachPortRef) -> mach_port_t;
    pub fn CFMachPortIsValid(port: CFMachPortRef) -> Boolean;

    /* Getting the CFMachPort Type ID */
    pub fn CFMachPortGetTypeID() -> CFTypeID;
}