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author | Gordon Sim <gsim@apache.org> | 2013-04-25 12:28:23 +0000 |
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committer | Gordon Sim <gsim@apache.org> | 2013-04-25 12:28:23 +0000 |
commit | b7be5cd127c82f5bcd8836a3e534830bb9f8a59e (patch) | |
tree | a8e14570952d2d8a1304a84d6440d9bee6efe8ec | |
parent | d77618749507b8e5df3bc5c96f64e3d644f862fe (diff) | |
download | qpid-python-b7be5cd127c82f5bcd8836a3e534830bb9f8a59e.tar.gz |
QPID-4764: tweaks to locking in receiver and session to avoid deadlock
git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1475723 13f79535-47bb-0310-9956-ffa450edef68
-rw-r--r-- | qpid/cpp/src/qpid/client/amqp0_10/ReceiverImpl.cpp | 11 | ||||
-rw-r--r-- | qpid/cpp/src/qpid/client/amqp0_10/SessionImpl.cpp | 2 |
2 files changed, 8 insertions, 5 deletions
diff --git a/qpid/cpp/src/qpid/client/amqp0_10/ReceiverImpl.cpp b/qpid/cpp/src/qpid/client/amqp0_10/ReceiverImpl.cpp index 11f9475cad..7e8de21247 100644 --- a/qpid/cpp/src/qpid/client/amqp0_10/ReceiverImpl.cpp +++ b/qpid/cpp/src/qpid/client/amqp0_10/ReceiverImpl.cpp @@ -123,7 +123,6 @@ void ReceiverImpl::init(qpid::client::AsyncSession s, AddressResolution& resolve } const std::string& ReceiverImpl::getName() const { - sys::Mutex::ScopedLock l(lock); return destination; } @@ -200,9 +199,15 @@ void ReceiverImpl::closeImpl() if (state != CANCELLED) { state = CANCELLED; sync(session).messageStop(destination); - parent->releasePending(destination); + { + sys::Mutex::ScopedUnlock l(lock); + parent->releasePending(destination); + } source->cancel(session, destination); - parent->receiverCancelled(destination); + { + sys::Mutex::ScopedUnlock l(lock); + parent->receiverCancelled(destination); + } } } diff --git a/qpid/cpp/src/qpid/client/amqp0_10/SessionImpl.cpp b/qpid/cpp/src/qpid/client/amqp0_10/SessionImpl.cpp index be5eab1f2b..e4c2c6afb8 100644 --- a/qpid/cpp/src/qpid/client/amqp0_10/SessionImpl.cpp +++ b/qpid/cpp/src/qpid/client/amqp0_10/SessionImpl.cpp @@ -471,13 +471,11 @@ void SessionImpl::rollbackImpl() void SessionImpl::acknowledgeImpl() { - ScopedLock l(lock); if (!transactional) incoming.accept(); } void SessionImpl::acknowledgeImpl(qpid::messaging::Message& m, bool cumulative) { - ScopedLock l(lock); if (!transactional) incoming.accept(MessageImplAccess::get(m).getInternalId(), cumulative); } |