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address race condition in cleanup methods

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-09-05 11:18:34 -07:00
parent 19a8fa8a25
commit 904ab4bf9e
39 changed files with 115 additions and 264 deletions
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13
src/tactic/arith/diff_neq_tactic.cpp
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@ -398,20 +398,13 @@ public:
}
virtual void cleanup() {
unsigned num_conflicts = m_imp->m_num_conflicts;
ast_manager & m = m_imp->m;
imp * d = m_imp;
imp * d = alloc(imp, m_imp->m, m_params);
d->m_num_conflicts = m_imp->m_num_conflicts;
#pragma omp critical (tactic_cancel)
{
d = m_imp;
std::swap(d, m_imp);
}
dealloc(d);
d = alloc(imp, m, m_params);
#pragma omp critical (tactic_cancel)
{
m_imp = d;
}
m_imp->m_num_conflicts = num_conflicts;
}
protected: