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fix issues #581: nested timeouts canceled each-other

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-04-30 11:18:34 -07:00
parent a020b13f10
commit e29adbf304
12 changed files with 96 additions and 87 deletions
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31
src/util/rlimit.cpp
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@ -31,7 +31,7 @@ uint64 reslimit::count() const {
bool reslimit::inc() {
++m_count;
return !m_cancel && (m_limit == 0 || m_count <= m_limit);
return m_cancel == 0 && (m_limit == 0 || m_count <= m_limit);
}
bool reslimit::inc(unsigned offset) {
@ -46,7 +46,7 @@ void reslimit::push(unsigned delta_limit) {
}
m_limits.push_back(m_limit);
m_limit = m_limit==0?new_limit:std::min(new_limit, m_limit);
m_cancel = false;
m_cancel = 0;
}
void reslimit::pop() {
@ -55,11 +55,11 @@ void reslimit::pop() {
}
m_limit = m_limits.back();
m_limits.pop_back();
m_cancel = false;
m_cancel = 0;
}
char const* reslimit::get_cancel_msg() const {
if (m_cancel) {
if (m_cancel > 0) {
return Z3_CANCELED_MSG;
}
else {
@ -84,7 +84,7 @@ void reslimit::pop_child() {
void reslimit::cancel() {
#pragma omp critical (reslimit_cancel)
{
set_cancel(true);
set_cancel(m_cancel+1);
}
}
@ -92,11 +92,28 @@ void reslimit::cancel() {
void reslimit::reset_cancel() {
#pragma omp critical (reslimit_cancel)
{
set_cancel(false);
set_cancel(0);
}
}
void reslimit::set_cancel(bool f) {
void reslimit::inc_cancel() {
#pragma omp critical (reslimit_cancel)
{
set_cancel(m_cancel+1);
}
}
void reslimit::dec_cancel() {
#pragma omp critical (reslimit_cancel)
{
if (m_cancel > 0) {
set_cancel(m_cancel-1);
}
}
}
void reslimit::set_cancel(unsigned f) {
m_cancel = f;
for (unsigned i = 0; i < m_children.size(); ++i) {
m_children[i]->set_cancel(f);