// 使用对象方式
$p = new \WorkBunny\Process\Runtime();
$p->fork(function(){
    var_dump('child');
});

$p = new \WorkBunny\Process\Runtime();

$p->parent(function(){
    var_dump('parent'); # 仅输出一次
});

$p = new \WorkBunny\Process\Runtime();

$p->run(function(){
    var_dump('child');
},function(){
    var_dump('parent');
}, 4); # 1 + 4 进程

$p = new \WorkBunny\Process\Runtime();

$p->wait(function(\WorkBunny\Process\Runtime $parent, int $status){
    # 子进程正常退出则会调用该方法，被调用次数是正常退出的子进程数量
},function(\WorkBunny\Process\Runtime $parent, $status){
    # 子进程异常退出则会调用该方法，被调用次数是异常的子进程数量
});

$p = new \WorkBunny\Process\Runtime([
    'pre_gc' => true,
    'priority' => [
        0,  // 主Runtime优先级为0
        -1, // id=1的子Runtime优先级为-1
        -2, // id=2的子Runtime优先级为-2
        -3  // id=3的子Runtime优先级为-3
    ]
]);

$p = new \WorkBunny\Process\Runtime();
$p->fork(function(\WorkBunny\Process\Runtime $runtime){
    var_dump($runtime->getId()); # id !== 0
});

var_dump('parent'); # 打印两次

$p = new \WorkBunny\Process\Runtime();
$p->run(function (\WorkBunny\Process\Runtime $runtime){
    
},function(\WorkBunny\Process\Runtime $runtime){

}, 4);

var_dump('parent'); # 打印5次

$p = new \WorkBunny\Process\Runtime();
$p->fork(function(\WorkBunny\Process\Runtime $runtime){
    var_dump($runtime->getId()); # id !== 0
    var_dump('old-child');
    
    $newP = new \WorkBunny\Process\Runtime();
    $newP->fork(function(\WorkBunny\Process\Runtime $newP){
        var_dump($newP->getId()); # id === 0
        var_dump('new-parent');
    });
});
# run 方法同理

$p = new \WorkBunny\Process\Runtime();
$p->run(function (){},function(){}, 4);

if($p->getId() === 3){
    var_dump('im No. 3'); # 仅id为3的Runtime会生效
}

# fork同理

$p = new \WorkBunny\Process\Runtime();
$p->run(function (){},function(){}, 4);

if($p->isChild()){
    var_dump('im child'); # 所有子Runtime都生效
}

# fork同理

$p = new \WorkBunny\Process\Runtime();
$p->run(function (){},function(){}, 4);

if(!$p->isChild()){
    var_dump('im parent'); # 父Runtime都生效
}

# 或以注册回调函数来执行
$p->parent(function(\WorkBunny\Process\Runtime $parent){
    var_dump('im parent');
});

# fork同理

$p = new \WorkBunny\Process\Runtime();
$p->fork(function(\WorkBunny\Process\Runtime $runtime){
    var_dump($runtime->getId()); # id !== 0
});
$p->parent(function (\WorkBunny\Process\Runtime $runtime){
    var_dump($runtime->getId()); # id === 0
});

$p->run(function (\WorkBunny\Process\Runtime $runtime){
    var_dump($runtime->getId()); # id !== 0
},function(\WorkBunny\Process\Runtime $runtime){
    var_dump($runtime->getId()); # id === 0
}, 4);

$p = new \WorkBunny\Process\Runtime();
$p->fork(function(\WorkBunny\Process\Runtime $runtime){
    var_dump('child'); # 生效
    
    $runtime->fork(function(){
        var_dump('child-child'); # 由于fork作用范围为父Runtime，所以不生效
    });
});

$p->parent(function (\WorkBunny\Process\Runtime $runtime){
    var_dump('parent'); # 生效

    $runtime->fork(function(){
        var_dump('parent-child'); # 生效
    });
});

# run 方法同理

$p = new \WorkBunny\Process\Runtime();
var_dump($p->number(false)); # 仅父Runtime会输出

$p = new \WorkBunny\Process\Runtime();
var_dump($p->getPid()); # 所有Runtime会输出

$p = new \WorkBunny\Process\Runtime();
$p->wait(function(\WorkBunny\Process\Runtime $runtime, $status){
    # 子Runtime正常退出时
}, function(\WorkBunny\Process\Runtime $runtime, $status){
    # 子Runtime异常退出时
});

$p = new \WorkBunny\Process\Runtime();

$p->exit(0, 'success');