msg_queue_exists → 代码语言:txt 复制 © 1997–2017 The PHP Documentation Group Licensed under the Creative Commons Attribution License v3.0 or later. https://secure.php.net/manual/en/function.msg-get-queue.php 本文档系腾讯云开发者社区成员共同维护,如有问题请联系cloudcommunity@tencent.com 最后更新于:2017-12-18 分享 扫描二维...
PHP实现进程间通信:消息队列 msg_get_queue 函数不存在 $message_queue_key = ftok(__FILE__, 'a'); $message_queue = msg_get_queue($message_queue_key, 0666); Fatal error: Call to undefined function msg_get_queue() 报错的解决 编译安装 sysvmsg cd /data/soft/php-5.6.3/ext cd sysvmsg/ /...
$msgQueue = msg_get_queue($msgKey,0666); // 检查一个队列是否存在 $status = msg_queue_exists($msgKey); var_dump($status); // 查看当前消息的一些详细信息 /** * msg_perm.uid The uid of the owner of the queue. * msg_perm.gid The gid of the owner of the queue. * msg_perm.mo...
php//生成一个消息队列的key$msg_key=ftok(__FILE__,'a');//产生一个消息队列$msg_queue=msg_get_queue($msg_key,0666);//检测一个队列是否存在 ,返回boolean值$status=msg_queue_exists($msg_key);//可以查看当前队列的一些详细信息$message_queue_status=msg_stat_queue($msg_queue);//将一条消息...
id = ipc_addid(&msg_ids, &msq->q_perm, msg_ctlmni); if(id == -1) { security_msg_queue_free(msq); ipc_rcu_putref(msq); return -ENOSPC; } msq->q_stime = msq->q_rtime = 0; msq->q_ctime = get_seconds(); msq->q_cbytes = msq->q_qnum = 0; msq->q_qbytes = msg...
了解过msgqueue_create()接口,msgqueue_get()和msgqueue_put()就无须过多介绍了。注意msg的linkoff位置,需要预留一个指针。 第二步:.h接口上的数据结构 上述接口上的msgqueue_t,是消息队列的真身,看起来实现在msgqueue.c里。 typedef struct __msgqueue msgqueue_t; ...
This function returns information about a message queue. Syntax Kopírovat BOOL GetMsgQueueInfo( HANDLE hMsgQ, LPMSGQUEUEINFO lpInfo ); Parameters hMsgQ [in] Handle to an open message queue. lpInfo [out] Pointer to an MSGQUEUEINFO structure that returns information about the message queue....
CreateMsgQueue是Windows操作系统中用于创建或打开点对点消息队列的核心API函数，通过指定队列名称和MSGQUEUEOPTIONS结构体参数配置队列属性，返回只读或只写句柄以实现进程间异步通信。该函数适用于Windows CE .NET 4.0及更高版本，需调用CloseMsgQueue关闭句柄。相较于传统通信方式（如SendMessage/PostMessage）依赖接收方...
msg_get_queue msg_queue_exists msg_receive msg_remove_queue msg_send msg_set_queue msg_stat_queue Mutex (class) Mutex::create Mutex::destroy Mutex::lock Mutex::trylock Mutex::unlock passthru pcntl_alarm pcntl_async_signals pcntl_errno pcntl_exec pcntl_fork pcntl_getpriority pcntl_get_last_...
If you set the lpszName parameter to NULL, the CreateMsgQueue function creates a new unnamed queue. In the OpenMsgQueue function, you can use the handle returned by the CreateMsgQueue function to obtain additional handles.If you call the CreateMsgQueue function with a name that already ...