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Merge pull request #194 from ianhattendorf/fix/backlight-crash-unplug-monitor 

Fix crash when monitor unplugged
This commit is contained in:
Alex 2019-02-26 12:18:19 +01:00 committed by GitHub
parent 4499a23e51 c1295c8fd6
commit 4b3725ec31
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 8 additions and 4 deletions
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9
include/modules/backlight.hpp
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@ -56,11 +56,12 @@ private:
const std::string preferred_device_;
static constexpr int EPOLL_MAX_EVENTS = 16;
waybar::util::SleeperThread udev_thread_;
std::mutex udev_thread_mutex_;
std::vector<BacklightDev> devices_;
std::optional<BacklightDev> previous_best_;
std::string previous_format_;
std::mutex udev_thread_mutex_;
std::vector<BacklightDev> devices_;
// thread must destruct before shared data
waybar::util::SleeperThread udev_thread_;
};
} // namespace waybar::modules

3
src/modules/backlight.cpp
View File

@ -149,6 +149,9 @@ waybar::modules::Backlight::Backlight(const std::string &name,
const int event_count =
epoll_wait(epoll_fd.get(), events, EPOLL_MAX_EVENTS,
std::chrono::milliseconds{interval_}.count());
if (!udev_thread_.isRunning()) {
break;
}
decltype(devices_) devices;
{
std::scoped_lock<std::mutex> lock(udev_thread_mutex_);