*/staticssize_tn_hdlc_tty_write(struct tty_struct *tty, struct file *file,constunsignedchar*data,size_tcount){structn_hdlc*n_hdlc=tty2n_hdlc(tty);interror =0;DECLARE_WAITQUEUE(wait, current);structn_hdlc_buf*tbuf;if(debuglevel >= DEBUG_LEVEL_INFO) printk("%s(%d)n_hdlc_tty_write()...
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通过DECLARE_WAITQUEUE宏将等待队列项初始化成对应的任务结构,并且用于连接的相关指针均设置为空。其中加入了调试相关代码。 进程通过执行下面步骤将自己加入到一个等待队列中: 1) 调用DECLARE_WAITQUEUE()创建一个等待队列的项; 2)调用add_wait_queue()把自己加入到等待队列中。该队列会在进程等待的条件满足时唤醒...
1. 功能:创建以个等待队列头 2. 函数原型 #define DECLARE_WAIT_QUEUE_HEAD (name) / wait_queue_head_t name = __WAIT_QUEUE_HEAD_INITIALIZER(name) #define __WAIT_QUEUE_HEAD_INITIALIZER (name) { / .lock = __SPIN_LOCK_UNLOCKED(name.lock), / .task_list = { &(name).task_list, &(nam...
010_Linux驱动之_DECLARE_WAIT_QUEUE_HEAD函数 010_Linux驱动之_DECLARE_WAIT_QUEUE_HEAD函数1. 功能:创建以个等待队列头 2. 函数原型 #define DECLARE_WAIT_QUEUE_HEAD (name) / wait_queue_head_t name = __WAIT_QUEUE_HEAD_INITIALIZER(name) #define __WAIT_QUEUE_HEAD_INITIALIZER (name) { / .lock...
> init_waitqueue_head(&f_SCBlockReadQueue); > it works. > > So when the structure is initialized in code it works nicely, when it is > initialized at compile-time it fails. Does anybody know why? > > The compiler is 2.95.3 (HHL2.0) ...
Method/Function:queue_declare 导入包:carrotbackends 每个示例代码都附有代码来源和完整的源代码,希望对您的程序开发有帮助。 示例1 classConsumer(object):"""Message consumer. :param connection: see :attr:`connection`. :param queue: see :attr:`queue`. ...
import pika import unittest class Test(unittest.TestCase): def test_hello_world_tutorial1(self): connection = pika.BlockingConnection(pika.ConnectionParameters('localhost')) channel = connection.channel() channel.queue_declare(queue='hel...
Queue On Selection of a TabItem want to fire an event to call a method One ViewModel multiple views of the same data. Online XAML Editor OnPaint in WPF Open a fully prepared WPF window from console Open a tabitem on a button click event of another tab item Open another window in WPF...
channel.QueueDeclare(name, durable, autoDelete, exclusive, noWait, args) 1. name:队列名字 durable:是否持久化, 队列的声明默认是存放到内存中的,如果rabbitmq重启会丢失,如果想重启之后还存在就要使队列持久化,保存到Erlang自带的Mnesia数据库中,当rabbitmq重启之后会读取该数据库 ...