osUtil

package

v0.0.0-...-e50112c Latest Latest Go to latest Published: Mar 22, 2024 License: BSD-3-Clause Imports: 7 Imported by: 0

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可以在进程退出前得到事件通知，允许应用程序在进程退出前执行自定义逻辑。
如果系统中申请了某些重要资源、且这些资源不会因为进程退出而被操作系统自动回收，那么应当在进程退出前释放这些资源，以免进程重启之后新的进程会因为资源不足而无法启动。
典型的比如分布式锁，在进程退出时就必须手动释放所有已经获得的锁。否则该锁就会长时间无法被其他模块获得。

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var (
	NoLogOnSignalExit bool
)

func GetSignal() syscall.Signal

获取已经收到的退出信号。如果尚未收到退出信号，则返回 0

func OnSignalExit(f func(sig syscall.Signal) (ok bool), msg ...string)

当收到操作系统的退出信号时触发。信号包括：SIGHUP, SIGINT, SIGQUIT, SIGILL, SIGABRT, SIGKILL, SIGTERM

func OnSignalExitNoLog(f func(sig syscall.Signal), msg ...string)

当收到操作系统的退出信号时触发。信号包括：SIGHUP, SIGINT, SIGQUIT, SIGILL, SIGABRT, SIGKILL, SIGTERM

func TearDown(f func())

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