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LINUX下消息队列
Linux下消息队列
用于进程间通信,有4个例程,可以实现
1.消息队列是消息的链表,具有特定的格式,存放在内存中并由消息队列标识符标识.
2.消息队列允许一个或多个进程向它写入与读取消息.
3.管道和命名管道都是通信数据都是先进先出的原则。
4.消息队列可以实现消息的随机查询,消息不一定要以先进先出的次序读取,也可以按消息的类型读取.比FIFO更有优势。
目前主要有两种类型的消息队列:POSIX消息队列以及系统V消息队列,系统V消息队列目前被大量使用。系统V消息队列是随内核持续的,只有在内核重起或者人工删除时,该消息队列才会被删除
- 2022-07-27 21:44:31下载
- 积分:1
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asynchronous communication C language routine subroutine containing Function des...
异步通讯C语言例行子程序,内含各函数功能描述文档。-asynchronous communication C language routine subroutine containing Function describes the document.
- 2022-02-04 12:17:04下载
- 积分:1
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Jennic的Zigbee协议Demo程序,提供给大家学习
Jennic的Zigbee协议Demo程序,提供给大家学习-Jennic"s Zigbee agreement Demo procedures, and providing for everyone to learn
- 2022-02-22 06:56:09下载
- 积分:1
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This the Bluetooth client part. This establishes connection with the server
This the Bluetooth client part. This establishes connection with the server-This is the Bluetooth client part. This establishes connection with the server
- 2022-05-11 00:45:01下载
- 积分:1
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XUL调用C++ XPCOM的例子,这些天在学习XUL,调试接口,广告
xul调用c++xpcom例子,这几天在研究Xul ,调试通过了一个Xul做界面,通过js调用c++开发的xpcom的例子。感觉步骤比较繁杂,配置环境也颇费了点时间,所以就把整个开发过程作了一个记录-xul call c++ xpcom example, these days in the study Xul, debug interface, the adoption of a Xul do, through the js call c++ development xpcom example. Sense steps to more complicated, and configure the environment has also gone through quite some time, so put the entire development process was a record of
- 2023-01-13 23:30:09下载
- 积分:1
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一个采用.NET SOCKET技术的在聊天室,内里有一个关键的技术可以看看....
一个采用.NET SOCKET技术的在聊天室,内里有一个关键的技术可以看看.-.Net Socket technology for online chatting room,there is a important technology in it.
- 2023-07-06 06:35:03下载
- 积分:1
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TCP到串口的数据转发应用程序,并将收发内容以文本和十六进制形式显示出来...
TCP到串口的数据转发应用程序,并将收发内容以文本和十六进制形式显示出来-TCP to transmit serial data applications and content to send and receive text and displayed in hexadecimal
- 2022-01-26 01:28:09下载
- 积分:1
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循环冗余校验(CRC16)实现
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- 2022-03-23 17:59:40下载
- 积分:1
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有关r232串口编程的程序,有关r232串口编程的程序
有关r232串口编程的程序,有关r232串口编程的程序-the r232 serial programming procedures, the r232 Serial Programming procedures
- 2022-05-24 15:54:24下载
- 积分:1
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A good utility (sourcecode) to start to send data to a SPI memory Atmel AT45db.
A good utility (sourcecode) to start to send data to a SPI memory Atmel AT45db.
- 2022-09-23 06:10:03下载
- 积分:1