global_send_sigint

Oren Laadan orenl at cs.columbia.edu
Mon Jan 10 17:59:17 PST 2011


At the moment, at least @klogd field has to be set manually.

Perhaps it would be better to provide a pre-initialized struct,
so that users could do:

  args = CR_RESTART_ARGS;
or
  cr_init_restart_args(&args);

?

Oren


On 02/24/2010 10:47 PM, Sukadev Bhattiprolu wrote:
> 
> global_send_sigint is -1 by default. 
> 
> If it is -1, we either send SIGKILL or SIGINIT depending on whether
> we started "new pidns with init" or "new pidns without init".
> 
> If global_send_sigint is explicitly set to 0 by user (--signal is set).
> no signal is sent.
> 
> Given that we are making restart() available in libcheckpoint.a, would
> it make sense to switch the behaviors of 0 and -1 ?
> 
> i.e if global_send_sigint is 0, send the default signal (SIGINT or SIGKILL).
> If it is -1, then don't send any signal.
> 
> That way, applications of restart() (i.e LXC) can simply
> 
> 	memset(&args, 0, sizeof(args))
> 
> and get the default behavior. Now they have to explicitly set to -1.
> 
> Sukadev
> 


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