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fix mutexes hanging due to access to free'd memory

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Thanks to Kevin de Vos for reporting the bug & testing the fix
This commit is contained in:
Nuno Lopes 2019-09-03 20:02:21 +01:00
parent cb75326686
commit 87a96d7bd4
8 changed files with 27 additions and 8 deletions
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3
src/util/rational.cpp
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@ -63,6 +63,7 @@ void finalize_inf_int_rational();
void rational::initialize() {
if (!g_mpq_manager) {
ALLOC_MUTEX(g_powers_of_two);
g_mpq_manager = alloc(synch_mpq_manager);
m().set(m_zero.m_val, 0);
m().set(m_one.m_val, 1);
@ -81,6 +82,6 @@ void rational::finalize() {
m_minus_one.~rational();
dealloc(g_mpq_manager);
g_mpq_manager = nullptr;
delete g_powers_of_two;
DEALLOC_MUTEX(g_powers_of_two);
}