pcp updates: merge brolley (use sig_atomic_t in signal handlers)

[Mark Goodwin <mgoodwin@xxxxxxxxxx>]

Nathan reviewed this, now merged to master.

Changes from others are still pending review (Ken's pmie updates
and David's json PMDA updates), or blocked awaiting further updates
(Nathan's pcp-atop, mgoodwin's containers, Frank's pmmgr updates).

Changes committed to git://git.pcp.io/pcp.git master

Dave Brolley (1):
      Github issue #11: Use sig_atomic_t within signal handlers.

 src/include/pcp/impl.h     |    2 +-
 src/libpcp/src/discovery.c |    2 +-
 src/libpcp/src/internal.h  |    2 +-
 src/pmfind/pmfind.c        |    4 ++--
 src/pmsleep/pmsleep.c      |    3 ++-
 5 files changed, 7 insertions(+), 6 deletions(-)

Details ...

commit 9478ca09877f90c5c890355324689ed2c103a5b4
Author: Dave Brolley <brolley@xxxxxxxxxx>
Date:   Wed May 27 14:41:24 2015 -0400

    Github issue #11: Use sig_atomic_t within signal handlers.

    The variables "discoveryFlags" and "finished" should use the
    data type "sig_atomic_t" within pmfind and pmsleep respectively.