blocks|key|1648608|text|需要一整本书来回答你过于宽泛的问题。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1648609|阅读+(一本免费下载的书)。|1648610|1648611|操作系统是否在专用处理器上运行，并在其他处理器上监视用户程序？|blockquote|1648612|1648613|1648614|一般来说，不是。相同的处理器(或内核)处于user-mode+(适用于user程序；请阅读有关user+space、process+isolation和protection+rings的信息)或supervisor模式(适用于操作系统kernel|offset|length|1648615|1648616|操作系统实际上是如何处理用户应用程序的？|1648617|1648618|1648619|通常通过提供以某种受控方式从应用程序完成的system+calls来实现。|1648620|一些学术OSes，例如Singularity，在设计时考虑了其他原则(隔离的正式证明技术)。|1648621|另请阅读有关micro-kernels、unikernels等的信息。|1648622|entityMap|0|LINK|mutability|MUTABLE|url|https://en.wikipedia.org/wiki/CPU_modes|1|https://en.wikipedia.org/wiki/User_space|2|https://en.wikipedia.org/wiki/Process_isolation|3|https://en.wikipedia.org/wiki/Protection_ring|4|https://en.wikipedia.org/wiki/Kernel_(operating_system%2529)|5|https://en.wikipedia.org/wiki/System_call|6|https://en.wikipedia.org/wiki/Singularity_(operating_system))|7|https://en.wikipedia.org/wiki/Microkernel|8|https://en.wikipedia.org/wiki/Unikernel^0|0|0|0|0|0|0|Q|4|0|1B|A|1|1M|H|2|24|G|3|39|6|4|0|0|0|0|0|L|C|5|0|B|B|6|0|6|D|7|K|A|8|0^^$0|@$1|2|3|4|5|6|7|1M|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|1N|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|1O|8|@]|9|@]|A|$]]|$1|E|3|F|5|G|7|1P|8|@]|9|@]|A|$]]|$1|H|3|-4|5|6|7|1Q|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|1R|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|1S|8|@]|9|@$L|1T|M|1U|1|1V]|$L|1W|M|1X|1|1Y]|$L|1Z|M|20|1|21]|$L|22|M|23|1|24]|$L|25|M|26|1|27]]|A|$]]|$1|N|3|-4|5|6|7|28|8|@]|9|@]|A|$]]|$1|O|3|P|5|G|7|29|8|@]|9|@]|A|$]]|$1|Q|3|-4|5|6|7|2A|8|@]|9|@]|A|$]]|$1|R|3|-4|5|6|7|2B|8|@]|9|@]|A|$]]|$1|S|3|T|5|6|7|2C|8|@]|9|@$L|2D|M|2E|1|2F]]|A|$]]|$1|U|3|V|5|6|7|2G|8|@]|9|@$L|2H|M|2I|1|2J]]|A|$]]|$1|W|3|X|5|6|7|2K|8|@]|9|@$L|2L|M|2M|1|2N]|$L|2O|M|2P|1|2Q]]|A|$]]|$1|Y|3|-4|5|6|7|2R|8|@]|9|@]|A|$]]]|Z|$10|$5|11|12|13|A|$14|15]]|16|$5|11|12|13|A|$14|17]]|18|$5|11|12|13|A|$14|19]]|1A|$5|11|12|13|A|$14|1B]]|1C|$5|11|12|13|A|$14|1D]]|1E|$5|11|12|13|A|$14|1F]]|1G|$5|11|12|13|A|$14|1H]]|1I|$5|11|12|13|A|$14|1J]]|1K|$5|11|12|13|A|$14|1L]]]]

An entire book is needed to answer your too broad question.

Read <a href="http://pages.cs.wisc.edu/~remzi/OSTEP/" rel="nofollow noreferrer">Operating System: Three Easy Pieces</a> (a freely downloadable book).

<blockquote>
 does the OS runs on dedicated processor and monitor the user program on some other processor?
</blockquote>

In general no. The same processor (or core) is either in user-<a href="https://en.wikipedia.org/wiki/CPU_modes" rel="nofollow noreferrer">mode</a> (for user programs; read about <a href="https://en.wikipedia.org/wiki/User_space" rel="nofollow noreferrer">user space</a> and <a href="https://en.wikipedia.org/wiki/Process_isolation" rel="nofollow noreferrer">process isolation</a> and <a href="https://en.wikipedia.org/wiki/Protection_ring" rel="nofollow noreferrer">protection rings</a>) or in supervisor-mode (for the operating system <a href="https://en.wikipedia.org/wiki/Kernel_(operating_system)" rel="nofollow noreferrer">kernel</a>)

<blockquote>
 how does the OS actually handles user applications?
</blockquote>

Often by providing <a href="https://en.wikipedia.org/wiki/System_call" rel="nofollow noreferrer">system calls</a> which are done, in some controlled way, from applications.

Some academic OSes, e.g. <a href="https://en.wikipedia.org/wiki/Singularity_(operating_system)" rel="nofollow noreferrer">Singularity</a>, have been designed with other principles in mind (formal proof techniques for isolation).

Read also about <a href="https://en.wikipedia.org/wiki/Microkernel" rel="nofollow noreferrer">micro-kernels</a>, <a href="https://en.wikipedia.org/wiki/Unikernel" rel="nofollow noreferrer">unikernels</a>, etc.

blocks|key|1022740|text|这取决于操作系统的结构。对于任何现代操作系统，内核都是通过异常或中断来调用的。操作系统在中断期间“监视”进程。操作系统调度计时器中断。当计时器停止时，中断处理程序确定它是否需要切换到不同的进程。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1022741|另一种操作系统管理路径是通过异常。应用程序通过异常调用操作系统。异常处理程序还可以使操作系统切换到另一个进程。如果进程调用读取和等待系统服务，则异常处理程序肯定会切换到新进程。|1022742|在过去，多处理器通常有一个处理器，它是专用的主处理器，是处理某些任务的唯一处理器。现在，所有普通操作系统都使用对称多处理，其中任何处理器都可以处理任何任务。|1022743|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|H|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|I|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|J|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|G|$]]

It depends upon the structure of the operating system. For any modern operating system the kernel is invoked through exceptions or interrupts. The operating system "monitors" processes during interrupts. An operating system schedules timer interrupts. When the timer goes off the interrupt handler determines whether it needs to switch to a different process.

Another OS management path is through exceptions. An application invokes the operating system through exceptions. An exception handler can also cause the operating system to switch to another process. If a process invokes a read and wait system service, that exception handler will certainly switch to a new process.

In ye olde days, it was common for multi-processors to have one processor that was the dedicated master and was the only processor to handle certain tasks. Now, all normal operating systems use symmetric multi-processing where any processor can handle any task.

We all know that the Operating Systems is responsible for handling resources needed by user application. The OS is also a piece of code that runs, then how does it manages other user programs?

does the OS runs on dedicated processor and monitor the user program on some other processor?

how does the OS actually handles user applications?

how does the Operating Systems code and user applications code run on same processor

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

文章

问答

视频

学习中心

腾讯云实验室

直播

竞赛

腾讯云代码分析专区

腾讯iOA零信任安全管理系统专区

腾讯云架构师技术同盟交流圈

腾讯云数据库专区

腾讯云顾问专区

腾讯云原生专区

腾讯混元专区

腾讯云TCE专区

腾讯云Lighthouse专区

腾讯云HAI专区

腾讯云Edgeone专区

腾讯云存储专区

腾讯云智能专区

腾讯轻联专区 

腾讯云开发专区

TAPD专区

腾讯轻量云游戏服专区

腾讯云最具价值专家

腾讯云架构师技术同盟

腾讯云创作之星

腾讯云开发者先锋

腾讯云代码助手

云原生构建

TAPD 敏捷项目管理

Cloud Studio

SDK中心

API中心

命令行工具

涵盖代码开发、场景应用、自动测试全流程，助你从零构建专属AI助手

一站式MCP教程库，解锁AI应用新玩法

我们都知道操作系统负责处理用户应用程序所需的资源。操作系统也是一段运行的代码，那么它如何管理其他用户程序呢？操作系统是否在专用处理器上运行，并在其他处理器上监控用户程序？操作系统实际上是如何处理用户应用程序的？

问操作系统代码和用户应用程序代码如何在同一处理器上运行
EN

Stack Overflow用户

社区

活动

圈层

关于

腾讯云开发者

热门产品

热门推荐

更多推荐

问操作系统代码和用户应用程序代码如何在同一处理器上运行EN