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fix crash in event manager on hangup

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This commit is contained in:
vaxerski 2022-10-22 16:15:48 +01:00
parent 3a27ef5e12
commit 0d7d7a970d
2 changed files with 23 additions and 4 deletions
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25
src/managers/EventManager.cpp
View file

@ -18,6 +18,23 @@
CEventManager::CEventManager() {
}
int fdHandleWrite(int fd, uint32_t mask, void* data) {
if (mask & WL_EVENT_ERROR || mask & WL_EVENT_HANGUP) {
// remove, hanged up
const auto ACCEPTEDFDS = (std::deque<std::pair<int, wl_event_source*>>*)data;
for (auto it = ACCEPTEDFDS->begin(); it != ACCEPTEDFDS->end(); ) {
if (it->first == fd) {
wl_event_source_remove(it->second); // remove this fd listener
it = ACCEPTEDFDS->erase(it);
} else {
it++;
}
}
}
return 0;
}
void CEventManager::startThread() {
m_tThread = std::thread([&]() {
const auto SOCKET = socket(AF_UNIX, SOCK_STREAM, 0);
@ -46,12 +63,14 @@ void CEventManager::startThread() {
if (ACCEPTEDCONNECTION > 0) {
// new connection!
m_dAcceptedSocketFDs.push_back(ACCEPTEDCONNECTION);
int flagsNew = fcntl(ACCEPTEDCONNECTION, F_GETFL, 0);
fcntl(ACCEPTEDCONNECTION, F_SETFL, flagsNew | O_NONBLOCK);
Debug::log(LOG, "Socket 2 accepted a new client at FD %d", ACCEPTEDCONNECTION);
// add to event loop so we can close it when we need to
m_dAcceptedSocketFDs.push_back({ACCEPTEDCONNECTION, wl_event_loop_add_fd(g_pCompositor->m_sWLEventLoop, ACCEPTEDCONNECTION, WL_EVENT_READABLE, fdHandleWrite, &m_dAcceptedSocketFDs)});
}
ensureFDsValid();
@ -68,7 +87,7 @@ void CEventManager::ensureFDsValid() {
// pong if all FDs valid
for (auto it = m_dAcceptedSocketFDs.begin(); it != m_dAcceptedSocketFDs.end();) {
auto sizeRead = recv(*it, &readBuf, 1024, 0);
auto sizeRead = recv(it->first, &readBuf, 1024, 0);
if (sizeRead != 0) {
it++;
@ -90,7 +109,7 @@ void CEventManager::flushEvents() {
for (auto& ev : m_dQueuedEvents) {
std::string eventString = (ev.event + ">>" + ev.data).substr(0, 1022) + "\n";
for (auto& fd : m_dAcceptedSocketFDs) {
write(fd, eventString.c_str(), eventString.length());
write(fd.first, eventString.c_str(), eventString.length());
}
}

2
src/managers/EventManager.hpp
View file

@ -31,7 +31,7 @@ private:
std::mutex eventQueueMutex;
std::deque<SHyprIPCEvent> m_dQueuedEvents;
std::deque<int> m_dAcceptedSocketFDs;
std::deque<std::pair<int, wl_event_source*>> m_dAcceptedSocketFDs;
};
inline std::unique_ptr<CEventManager> g_pEventManager;