是指向fd_set结构的指针,这个集合中应该包括文件描述符,我们是要监视这些文件描述符的读变化的,即我们关心是否可以从这些文件中读取数据了: 如果这个集合中有一个文件可读,select就会返回一个大于0的值,表示有文件可读,如果没有可读的文件,则根据timeout参数再判断是否超时,若超出timeout的时间,select返回0,若发生错...
This enables blazing-fast laptops that are thin, quiet, and have amazing battery life. Enjoy 3 months of Xbox Game Pass on Lenovo Legion devices Play over 100 high-quality games with your new Legion Pro 7i Gen 8 16" laptop and three months of Xbox Game Pass-including...
指令集架构(Instruction Set Architecture,ISA)定义了CPU可以执行的指令集合。它可以分为: 复杂指令集计算机(CISC):指令数量多,每条指令功能复杂。 精简指令集计算机(RISC):指令数量少,每条指令功能简单。 2.5 多核处理器 随着技术的发展,现代CPU通常包含多个核心。多核处理器可以同时执行多个线程,从而提高计算效率。 ...
linux中vector 0-31、APIC和SMP相关门描述使用这几个宏进行初始化,其余中断门描述符会通过函数set_intr_gate()进行初始化。 staticvoidset_intr_gate(unsignedintn,constvoid*addr){structidt_datadata;BUG_ON(n >0xFF);/*大于255,出错*/memset(&data,0,sizeof(data)); data.vector= n;/*vector*/data....
The Legion Pro 7i Gen 8 boasts the Legion TrueStrike gaming keyboard, the perfect set of controls for gamers who demand precision and great customization options. This full-sized keyboard also boasts full-sized arrow and number pad keys and a large mylar touchpad that g...
The returned completion entry will have fields set to let the application * know what operation completed. Not all fields will be valid. The fields set will be indicated * by the cq format (when creating the CQ). In this example, we use FI_CQ_FORMAT_MSG in order to * use the flags...
If a member device does not have a license, activate the license file to prevent service delivery failures after the stack splits. Upload the license file to the device. For details on how to apply for and upload a license, see theLicense Usage Guide. ...
If a member device does not have a license, activate the license file to prevent service delivery failures after the stack splits. Upload the license file to the device. For details on how to apply for and upload a license, see theLicense Usage Guide. ...
I have only used HWP on SKX processors, not on Broadwell, but the principles should be the same. With HWP disabled, you don't have to have the userspace driver to set a specific frequency -- you can use the "cpupower frequency-set" driver and simply set the minimum...
This enables blazing-fast laptops that are thin, quiet, and have amazing battery life. Enjoy 3 months of Xbox Game Pass on Lenovo Legion devices Play over 100 high-quality games with your new Legion Pro 7i Gen 8 16" laptop and three months of Xbox Game Pass-includ...