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Viewing changes to lib/ovs-atomic-locked.h

  • Committer: Package Import Robot
  • Author(s): James Page
  • Date: 2015-08-10 11:35:15 UTC
  • mfrom: (1.1.30)
  • Revision ID: package-import@ubuntu.com-20150810113515-575vj06oq29emxsn
Tags: 2.4.0~git20150810.97bab95-0ubuntu1
* New upstream snapshot from 2.4 branch:
  - d/*: Align any relevant packaging changes with upstream.
* d/*: wrap-and-sort.
* d/openvswitch-{common,vswitch}.install: Correct install location for
  bash completion files.
* d/tests/openflow.py: Explicitly use ovs-testcontroller as provided
  by 2.4.0 release.

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Lines of Context:
lib/ovs-atomic-locked.h
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     atomic_unlock__(SRC),                      \
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     (void) 0)
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/* XXX: Evaluates EXP multiple times. */
 
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#define atomic_compare_exchange_locked(DST, EXP, SRC)   \
 
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    (atomic_lock__(DST),                                \
 
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     (*(DST) == *(EXP)                                  \
 
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      ? (*(DST) = (SRC),                                \
 
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         atomic_unlock__(DST),                          \
 
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         true)                                          \
 
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      : (*(EXP) = *(DST),                               \
 
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         atomic_unlock__(DST),                          \
 
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         false)))
 
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#define atomic_op_locked_add +=
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#define atomic_op_locked_sub -=
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#define atomic_op_locked_or  |=