[RTEMS Project] #3897: Dhcpcd does not daemonize

[RTEMS trac]

#3897: Dhcpcd does not daemonize
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  Reporter:  Ionut Vilsan  |      Owner:  Sebastian Huber
      Type:  defect        |     Status:  assigned
  Priority:  high          |  Milestone:
 Component:  rtems         |    Version:
  Severity:  major         |   Keywords:
Blocked By:                |   Blocking:
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 Background: the DCHP client is started using the rc.conf script. In the
 background a new task dedicated to the dhcp client is created and then the
 dhcp client takes over this task. This works fine, we can get IP form the
 dhcp server and then take part in network communication based on IPv4.



 Problem: The dhcp client cannot be stopped any time. Any shell commands
 will never reach the dhcpcd task, but rather it will instantiate a new
 dhcpd task which will take over the current task. E.g: in rtems console if
 you enter dhcpd -x, instead of killing the dhcpcd task a new dhcpcd task
 will be created which will run from the console. This means that the
 console cannot be used anymore.

 There seems to be noway to communicate with the already created dhcpcd
 task.

 I took a look over the dhcpcd in libbsd  code and some of the features are
 turned off. Can someone give more details regarding this ?

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Ticket URL: <http://devel.rtems.org/ticket/3897>
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