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refactor(rfkill): poll rfkill events from Glib main loop

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Open rfkill device only once per module.
Remove rfkill threads and use `Glib::signal_io` as a more efficient way
to poll the rfkill device.
Handle runtime errors from rfkill and stop polling of the device instead
of crashing waybar.
This commit is contained in:
Aleksei Bavshin
2021-02-02 19:17:06 -08:00
parent 40f4dc9ecf
commit 38c29fc242
6 changed files with 64 additions and 67 deletions
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15
include/util/rfkill.hpp
View File

@ -1,19 +1,26 @@
#pragma once
#include <glibmm/iochannel.h>
#include <linux/rfkill.h>
#include <sigc++/signal.h>
#include <sigc++/trackable.h>
namespace waybar::util {
class Rfkill {
class Rfkill : public sigc::trackable {
public:
Rfkill(enum rfkill_type rfkill_type);
~Rfkill() = default;
void waitForEvent();
~Rfkill();
bool getState() const;
sigc::signal<void(struct rfkill_event&)> on_update;
private:
enum rfkill_type rfkill_type_;
int state_ = 0;
bool state_ = false;
int fd_ = -1;
bool on_event(Glib::IOCondition cond);
};
} // namespace waybar::util