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Read revents from the temporary pollfds instead of copying them over to the old vector.

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Decrement index for polls when erasing to make sure none of the events are skipped.
This commit is contained in:
Mathias Tillman
2022-03-09 22:23:38 +01:00
parent 80ebc9982e
commit e61bbe87b4
1 changed files with 8 additions and 16 deletions
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24
sunshine/platform/linux/input.cpp
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@@ -696,13 +696,13 @@ public:
};
inline void rumbleIterate(std::vector<effect_t> &effects, std::vector<pollfd_t> &polls, std::chrono::milliseconds to) {
std::vector<pollfd> polls_tmp;
polls_tmp.reserve(polls.size());
std::vector<pollfd> polls_recv;
polls_recv.reserve(polls.size());
for(auto &poll : polls) {
polls_tmp.emplace_back(poll.el);
polls_recv.emplace_back(poll.el);
}
auto res = poll(polls_tmp.data(), polls.size(), to.count());
auto res = poll(polls_recv.data(), polls_recv.size(), to.count());
// If timed out
if(!res) {
@@ -716,16 +716,6 @@ inline void rumbleIterate(std::vector<effect_t> &effects, std::vector<pollfd_t>
return;
}
// Copy over the received events
for(auto x = 0; x < polls_tmp.size(); ++x) {
auto pfd = polls_tmp[x].fd;
for(auto y = 0; y < polls.size(); ++y) {
if(pfd == polls[y].el.fd) {
polls[y].el.revents = polls_tmp[x].revents;
}
}
}
for(int x = 0; x < polls.size(); ++x) {
auto poll = std::begin(polls) + x;
auto effect_it = std::begin(effects) + x;
@@ -735,16 +725,17 @@ inline void rumbleIterate(std::vector<effect_t> &effects, std::vector<pollfd_t>
// TUPLE_2D_REF(dev, q, *dev_q_it);
// on error
if((*poll)->revents & (POLLHUP | POLLRDHUP | POLLERR)) {
if(polls_recv[x].revents & (POLLHUP | POLLRDHUP | POLLERR)) {
BOOST_LOG(warning) << "Gamepad ["sv << x << "] file discriptor closed unexpectedly"sv;
polls.erase(poll);
effects.erase(effect_it);
--x;
continue;
}
if(!((*poll)->revents & POLLIN)) {
if(!(polls_recv[x].revents & POLLIN)) {
continue;
}
@@ -761,6 +752,7 @@ inline void rumbleIterate(std::vector<effect_t> &effects, std::vector<pollfd_t>
polls.erase(poll);
effects.erase(effect_it);
--x;
continue;
}