在西纳特拉运行后台进程 [英] Run background process in Sinatra

问题描述

我有西纳特拉/ Rails应用程序和启动一些长期的过程的操作。

I have got Sinatra/Rails app and an action which starts some long process.

普通我做出后台作业队列。但是，这种情况下，过于简单​​，后台进程开始很少，所以排队是一个开销。

Ordinary I make a queue for background jobs. But this case is too simple and background process starts very rarely, so queue is an overhead.

所以，我怎么能运行后台进程不排队？

So how could I run background process without queue?

get "/build_logs/:project" do
  LogBuilder.new(params[:project]).generate
  "done"
end

我试图让它作为一个新的线程或进程叉，但它并没有帮助。

I've tried to make it as a new Thread or Process fork, but it didn't help.

推荐答案

我有这个（简体）在西纳特拉的成功：

I have had success with this (simplified) in Sinatra:

get '/start_process'
  @@pid = Process.spawn('external_command_to_run')
end

这将返回进程ID，您可以使用以后终止该进程，如果你需要。此外，这是在Linux上，它不会在Windows上运行。

This returns the Process ID, which you can use to terminate the process later if you need. Also, this is on Linux, it will not work on Windows.

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