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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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8
src/util/cancel_eh.h
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@ -26,12 +26,14 @@ Revision History:
*/
template<typename T>
class cancel_eh : public event_handler {
bool m_canceled;
T & m_obj;
public:
cancel_eh(T & o):m_obj(o) {}
~cancel_eh() { m_obj.reset_cancel(); }
cancel_eh(T & o): m_canceled(false), m_obj(o) {}
~cancel_eh() { if (m_canceled) m_obj.dec_cancel(); }
virtual void operator()() {
m_obj.cancel();
m_canceled = true;
m_obj.inc_cancel();
}
};