interrupt handling

简明释义

中断处理

英英释义

例句

1.Understanding interrupt handling 中断处理 is crucial for writing efficient device drivers.

理解中断处理对于编写高效的设备驱动程序至关重要。

2.Developers often optimize interrupt handling 中断处理 routines to minimize latency in critical applications.

开发者通常会优化中断处理例程，以最小化关键应用中的延迟。

3.When a device sends a signal, the CPU performs interrupt handling 中断处理 to address the request immediately.

当设备发送信号时，CPU会执行中断处理以立即响应请求。

4.In real-time systems, interrupt handling 中断处理 must be prioritized to ensure timely responses.

在实时系统中，中断处理必须优先考虑以确保及时响应。

5.The efficiency of interrupt handling 中断处理 can significantly affect the overall performance of an operating system.

中断处理的效率可以显著影响操作系统的整体性能。

作文

In the world of computing, the term interrupt handling refers to the process by which a computer system responds to an event that disrupts the normal sequence of operations. This is a critical function in operating systems and hardware design, as it allows the system to prioritize tasks and respond to urgent events without losing data or functionality. When a device, such as a keyboard or mouse, generates an interrupt signal, the processor temporarily halts its current activities, saves its state, and executes a special routine called an interrupt handler. This routine is designed to address the specific needs of the interrupting device, ensuring that the system can handle multiple tasks efficiently.For instance, consider a scenario where a user is typing on their computer. If a new email arrives, the mail application may send an interrupt signal to the operating system. The operating system then engages in interrupt handling, pausing the current task of typing to check the email. Once the email has been processed, the system returns to the original task, allowing for a seamless user experience.The efficiency of interrupt handling is paramount in real-time systems where timely responses are crucial. In such environments, delays in processing interrupts can lead to system failures or degraded performance. Therefore, operating systems employ various strategies to manage interrupts effectively, including prioritizing certain interrupts over others. For example, an interrupt from a hard drive may be given higher priority than one from a peripheral device like a printer. This prioritization ensures that more critical tasks are addressed first, maintaining overall system stability.Moreover, interrupt handling is not only essential for managing hardware interrupts but also for handling software interrupts. Software interrupts can occur during the execution of programs, often triggered by specific conditions within the code. These interrupts allow programs to request services from the operating system, such as memory allocation or file access. The operating system’s ability to handle these requests efficiently through interrupt handling contributes to the overall performance and responsiveness of applications.In conclusion, interrupt handling is a fundamental aspect of modern computing that enables systems to operate smoothly and efficiently. By allowing computers to respond promptly to both hardware and software events, this process plays a vital role in enhancing user experience and system reliability. As technology continues to evolve, the importance of effective interrupt handling will only grow, making it a key area of focus for developers and engineers alike.

在计算机领域，术语中断处理指的是计算机系统响应打断正常操作序列的事件的过程。这是操作系统和硬件设计中的一个关键功能，因为它允许系统优先处理任务并响应紧急事件，而不丢失数据或功能。当设备（如键盘或鼠标）生成中断信号时，处理器会暂时停止当前活动，保存其状态，并执行一个称为中断处理程序的特殊例程。该例程旨在解决中断设备的特定需求，确保系统能够高效地处理多个任务。例如，考虑一个用户在计算机上输入文本的场景。如果收到一封新电子邮件，邮件应用程序可能会向操作系统发送中断信号。然后，操作系统参与中断处理，暂停当前的输入任务以检查电子邮件。一旦电子邮件被处理，系统将返回到原始任务，从而实现无缝的用户体验。在实时系统中，中断处理的效率至关重要，因为及时响应至关重要。在这种环境中，处理中断的延迟可能导致系统故障或性能下降。因此，操作系统采用各种策略有效管理中断，包括对某些中断进行优先级排序。例如，硬盘的中断可能比外围设备（如打印机）的中断具有更高的优先级。这种优先级排序确保更关键的任务首先得到处理，从而维护整体系统的稳定性。此外，中断处理不仅对于管理硬件中断至关重要，而且对于处理软件中断也同样重要。软件中断可以在程序执行过程中发生，通常由代码中的特定条件触发。这些中断允许程序请求操作系统的服务，例如内存分配或文件访问。操作系统通过中断处理有效处理这些请求的能力，有助于提高应用程序的整体性能和响应性。总之，中断处理是现代计算的基本方面，使系统能够平稳高效地运行。通过允许计算机迅速响应硬件和软件事件，该过程在增强用户体验和系统可靠性方面发挥着至关重要的作用。随着技术的不断发展，有效的中断处理的重要性只会增加，这使其成为开发人员和工程师关注的关键领域。