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* Do SIG_DFL handlers have SA_RESTART?
@ 2007-01-19  2:17 Rob Landley
  0 siblings, 0 replies; only message in thread
From: Rob Landley @ 2007-01-19  2:17 UTC (permalink / raw)
  To: linux-kernel

Do the default signal handlers for Linux behave as if they were installed with 
SA_RESTART, or not?  (I tried querying 'em with sigaction but the defaults 
all have sa_flags 0.)

I remember years ago hitting a bug where ctrl-z followed by fg would cause 
pipelined processes to drop data, and would like to avoid that without having 
to wrap every darn syscall and check for -EINTR.  I _think_ that I just have 
to feed SA_RESTART to the signals I register handlers for myself, but I'd 
like to confirm that.

Rob
-- 
"Perfection is reached, not when there is no longer anything to add, but
when there is no longer anything to take away." - Antoine de Saint-Exupery

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2007-01-19  2:17 Do SIG_DFL handlers have SA_RESTART? Rob Landley

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