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guard against calling user_choice_manager::pull() recursively

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(cherry-picked from commit 9593062fc65eb1769ebdab16ed4b1d380e6aaa69)
This commit is contained in:
gfgtdf 2018-03-31 15:48:37 +02:00
parent 0a32ffd16e
commit 222d29dfef
1 changed files with 13 additions and 1 deletions
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14
src/synced_user_choice.cpp
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@ -423,10 +423,22 @@ std::map<int, config> user_choice_manager::get_user_choice_internal(const std::s
return man.res_;
}
namespace {
// we want to prevent calling pull() while we are already calling pull()
// this could for example happen if pull() receives a [side_drop] and
// user_choice_manager::process is called while the "player has left the game.
// What do you want to do?" dialog is shown.
static bool ucm_in_proccess = false;
struct ucm_process_scope {
ucm_process_scope() { ucm_in_proccess = true; }
~ucm_process_scope() { ucm_in_proccess = false; }
};
}
void user_choice_manager::process(events::pump_info&)
{
if(!oos_ && !finished())
if(!oos_ && !finished() && !ucm_in_proccess)
{
ucm_process_scope scope1;
pull();
}
}