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commit 2e5e7d3da6a62ec1aafea783bd08932e9b70cef5
Author: Andrew Hanushevsky <[log in to unmask]>
Date: Fri Mar 11 17:56:12 2011 -0800
Use native atomic operations when available to record statistics in network I/O layer.
This is a reworked patch from Brian Bockelman (CMS).
Reverse order of statsMutex and r/w mutexes when updating statistics to prevent
hangups in accepting connections should a network link get hung up on I/O.
-----------------------------------------------------------------------
Summary of changes:
config/GNUmake.env.in | 3 +-
config/test/test-__sync_.cc | 17 ++++++++++
configure.ac | 25 ++++++++++++++
configure.classic | 20 ++++++++++-
docs/PreReleaseNotes.txt | 5 +++
src/Xrd/GNUmakefile | 3 +-
src/Xrd/XrdLink.cc | 75 +++++++++++++++++++++++++-----------------
src/XrdSys/XrdSysAtomics.hh | 45 +++++++++++++++++++++++++
8 files changed, 158 insertions(+), 35 deletions(-)
create mode 100644 config/test/test-__sync_.cc
create mode 100644 src/XrdSys/XrdSysAtomics.hh
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