Improve SI_TIMER decoding

Decode siginfo_t more clearly for si_code SI_TIMER.
The 'pid' is actually a POSIX timer id, and the 'uid' is actually the
overrun.
Also factor out the si_value dumping so it's the same for every si_code.

Change-Id: I5c9e4cd5922f5048e40330b3762600acd6df5dad
Signed-off-by: Elliott Hughes <enh@google.com>
1 file changed