Re: [Boost-bugs] [Boost C++ Libraries] #4162: io_service can't be used correctly after fork().

Subject: Re: [Boost-bugs] [Boost C++ Libraries] #4162: io_service can't be used correctly after fork().
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2010-05-02 04:32:36

#4162: io_service can't be used correctly after fork().
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 Reporter:  artyomtnk@…           |       Owner:  chris_kohlhoff
     Type:  Feature Requests      |      Status:  new           
Milestone:  To Be Determined      |   Component:  asio          
  Version:  Boost 1.42.0          |    Severity:  Problem       
 Keywords:  asio posix fork unix  |  
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Comment(by artyomtnk@…):

 >
 >   1. Bind to port.
 >   2. dup() acceptor descriptor.
 >   3. Destroy io_service.
 >   4. Prefork.
 >   5. Create new io_service in child.
 >   6. acceptor::assign()
 >

 This was the first thing I thought and tried. But, I allow the library
 user to start some
 asynchronous actions before fork() at all. For example:

  * I allow him to create timers
  * I allow hit to post() some handlers to event queue so once the service
 is started they would be dispatched.

 So the solution of creating new io_service is not quite fits my needs.

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Ticket URL: <https://svn.boost.org/trac/boost/ticket/4162#comment:3>
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