How to exit the process in golang?-Golang-php.cn

Home

Backend Development

Golang

How to exit the process in golang?

coldplay.xixi

Jul 18, 2020 pm 03:10 PM

golangprocess

Golang's method of exiting the process: first define a [chan struct{}]; then call the [close()] function to close the channel and pass the exit signal to each goroutine; finally get [

How to exit the process in golang?

Golang's method of exiting the process:

The following is a solution for the main function to exit func, production environment Here, exit func may perform a lot of closing operations, and the closing objects are likely to be many goroutines with embedded infinite loops. How to pass the exit signal to each goroutine?

My usual approach is to define a chan struct{} . When the close() function is called to close the channel, all The operations will be performed at the same time, so that the exit signal is passed to each goroutine, and each goroutine can be polled through select (by default, select under Linux calls epoll for polling). When <code> is obtained , break loop

package main
import(
        "fmt"
        "os"
        "os/signal"
        "syscall"
)
func main(){
        signalChan := make(chan os.Signal,1) //创建一个信号量的chan，缓存为1，（0,1）意义不大
        signal.Notify(signalChan, syscall.SIGINT, syscall.SIGTERM)//让进城收集信号量。
        fmt.Println("i am workding!")
        <-signalChan         
        ExitFunc()
}
func ExitFunc(){
        fmt.Println("i am exiting!")
}

Related learning recommendations: Go language tutorial

The above is the detailed content of How to exit the process in golang?. For more information, please follow other related articles on the PHP Chinese website!

Statement

The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

The Performance Race: Golang vs. CApr 16, 2025 am 12:07 AM

Golang and C each have their own advantages in performance competitions: 1) Golang is suitable for high concurrency and rapid development, and 2) C provides higher performance and fine-grained control. The selection should be based on project requirements and team technology stack.

Golang vs. C : Code Examples and Performance AnalysisApr 15, 2025 am 12:03 AM

Golang is suitable for rapid development and concurrent programming, while C is more suitable for projects that require extreme performance and underlying control. 1) Golang's concurrency model simplifies concurrency programming through goroutine and channel. 2) C's template programming provides generic code and performance optimization. 3) Golang's garbage collection is convenient but may affect performance. C's memory management is complex but the control is fine.

Golang's Impact: Speed, Efficiency, and SimplicityApr 14, 2025 am 12:11 AM

Goimpactsdevelopmentpositivelythroughspeed,efficiency,andsimplicity.1)Speed:Gocompilesquicklyandrunsefficiently,idealforlargeprojects.2)Efficiency:Itscomprehensivestandardlibraryreducesexternaldependencies,enhancingdevelopmentefficiency.3)Simplicity:

C and Golang: When Performance is CrucialApr 13, 2025 am 12:11 AM

C is more suitable for scenarios where direct control of hardware resources and high performance optimization is required, while Golang is more suitable for scenarios where rapid development and high concurrency processing are required. 1.C's advantage lies in its close to hardware characteristics and high optimization capabilities, which are suitable for high-performance needs such as game development. 2.Golang's advantage lies in its concise syntax and natural concurrency support, which is suitable for high concurrency service development.

Golang in Action: Real-World Examples and ApplicationsApr 12, 2025 am 12:11 AM

Golang excels in practical applications and is known for its simplicity, efficiency and concurrency. 1) Concurrent programming is implemented through Goroutines and Channels, 2) Flexible code is written using interfaces and polymorphisms, 3) Simplify network programming with net/http packages, 4) Build efficient concurrent crawlers, 5) Debugging and optimizing through tools and best practices.

Golang: The Go Programming Language ExplainedApr 10, 2025 am 11:18 AM

The core features of Go include garbage collection, static linking and concurrency support. 1. The concurrency model of Go language realizes efficient concurrent programming through goroutine and channel. 2. Interfaces and polymorphisms are implemented through interface methods, so that different types can be processed in a unified manner. 3. The basic usage demonstrates the efficiency of function definition and call. 4. In advanced usage, slices provide powerful functions of dynamic resizing. 5. Common errors such as race conditions can be detected and resolved through getest-race. 6. Performance optimization Reuse objects through sync.Pool to reduce garbage collection pressure.

Golang's Purpose: Building Efficient and Scalable SystemsApr 09, 2025 pm 05:17 PM

Go language performs well in building efficient and scalable systems. Its advantages include: 1. High performance: compiled into machine code, fast running speed; 2. Concurrent programming: simplify multitasking through goroutines and channels; 3. Simplicity: concise syntax, reducing learning and maintenance costs; 4. Cross-platform: supports cross-platform compilation, easy deployment.

Why do the results of ORDER BY statements in SQL sorting sometimes seem random?Apr 02, 2025 pm 05:24 PM

Confused about the sorting of SQL query results. In the process of learning SQL, you often encounter some confusing problems. Recently, the author is reading "MICK-SQL Basics"...

See all articles