Fix CSIGENERAL-2720: 1 core 100% after opening cam

Remove FD that returns error in poll from FD to be polled in future iterations.
alliedvision · Mar 9, 2023 · fe3641b · fe3641b
1 parent ce8daf9
commit fe3641b
Showing 1 changed file with 9 additions and 3 deletions.
diff --git a/Source/Source/V4L2EventHandler.cpp b/Source/Source/V4L2EventHandler.cpp
@@ -60,11 +60,8 @@ void V4L2EventHandler::UnsubscribeControl(int id)
 
 void V4L2EventHandler::run()
 {
-
-
  while (!isInterruptionRequested())
  {
-
  std::vector<pollfd> pfds;
 
  for (const auto fd : m_Fds)
@@ -89,6 +86,15 @@ void V4L2EventHandler::run()
  {
  for (const auto & pfd : pfds)
  {
+ if (pfd.revents & POLLERR)
+ {
+ auto const idx = &pfd - pfds.data();
+ if (idx < m_Fds.size())
+ {
+ m_Fds.erase(m_Fds.begin() + idx);
+ }
+ }
+
  if (pfd.revents & POLLPRI)
  {
  v4l2_event event = {0};