POSIX线程使用Semaphore的通用代码

Linux下的端口扫描实现 f (!connect(sockfd,(struct sockaddr*)&server,sizeof(struct sockaddr- #include #include #include #include #include #include #include #include

linux 系统控制硬盘旋转和停止的程序（spin down/up）-linux system control drive spin and stop the process (spin down/up)

在linux系统下，用qt4.3开发的摄像头应用程序-In linux system, developed by qt4.3 camera applications

是一份LINUX下面的C语言编程的资料，讲的很详细，是超星格式的，对LINUX下的C开发感兴趣的可以看看。-LINUX is a C language programming the following information, speak in great detail, is Chaoxing format of the C development under LINUX interested can look at.

一个UNIX/LINUX下的基于内容的过滤服务器源代码，可以设置关键词、URL、IP、PORT等多种方式进行网站过滤。-a UNIX/Linux-based content filtering server source code, can set keywords, URL, IP, PORT various means such as web filtering.

rtlinux(realtime linix)3.0,在kernel2.2.18上编译运行-Real time Linux (realtime linix) 3.0, compiled in kernel2.2.18 operation

驱动测试，当驱动写好后，要进行测试，由于嵌入式设备一般使用超级终端或者是telnet进行登录，键盘驱动不是很好测试，我们使用网上开源的libkbd代码进行键盘驱动的测试,下载libkbd后稍加修改既可以在arm-linux上运行。-Driver testing, when the driver after the write, it is necessary to conduct tests, because of embedded devices in general use HyperTerminal or a telnet to log in, the keyboard is not a very good test drive, we use online libkbd code open source keyboard-driven test, download libkbd After a little modification can be in the running arm-linux.

一个用C++实现的模拟UNIX的cat的程序，使用了STL的istreambuf_iterator，支持“-”，终端直接输出，文件输出和错误输出。-C to achieve a simulated UNIX cat procedures, the use of the STL istreambuf_iterator support "-", a direct output terminals, document output and the output error.

读者-写者问题的读写操作限制（包括读者优先和写者优先） 写-写互斥：不能有两个写者同时进行写操作 读-写互斥：不能同时有一个线程在读，而另一个线程在写。 读-读允许：可以有一个或多个读者在读。-Readers- read and write operations to write the problem of constraints (including the readers of priority and writing preferred) Write- write mutually exclusive: You can not have two writers write the same time Read- Write mutually exclusive: You can not simultaneously reading a thread while another thread is writing. Reading- Reading allowed: You can have one or more readers to read.

Linux平台下的内核及程序调试器，可修改相关代码及编译条件，在不同嵌入式开发平台间移植；-Linux platform and procedures under the kernel debugger to modify the code and compile the relevant conditions, in different embedded development platforms transplantation