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ensure limit children are safe for race conditions

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2015-12-12 10:18:51 -08:00
parent f8a804ba56
commit 4132fc2d91
6 changed files with 51 additions and 33 deletions
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48
src/util/rlimit.cpp
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@ -57,15 +57,47 @@ void reslimit::pop() {
m_cancel = false;
}
void reslimit::cancel() {
m_cancel = true;
for (unsigned i = 0; i < m_children.size(); ++i) {
m_children[i]->cancel();
char const* get_cancel_msg() const {
if (m_cancel) {
return Z3_CANCELED_MSG;
}
else {
return Z3_MAX_RESOURCE_MSG;
}
}
void reslimit::reset_cancel() {
m_cancel = false;
for (unsigned i = 0; i < m_children.size(); ++i) {
m_children[i]->reset_cancel();
void reslimit::push_child(reslimit* r) {
#pragma omp critical (reslimit_cancel)
{
m_children.push_back(r);
}
}
void reslimit::pop_child() {
#pragma omp critical (reslimit_cancel)
{
m_children.pop_back();
}
}
void reslimit::cancel() {
#pragma omp critical (reslimit_cancel)
{
set_cancel(false);
}
}
void reslimit::reset_cancel() {
#pragma omp critical (reslimit_cancel)
{
set_cancel(false);
}
}
void reslimit::set_cancel(bool f) {
m_cancel = f;
for (unsigned i = 0; i < m_children.size(); ++i) {
m_children[i]->set_cancel(f);
}
}