EventLoopImplementationUnix.h 1.9 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465
  1. /*
  2. * Copyright (c) 2023, Andreas Kling <kling@serenityos.org>
  3. *
  4. * SPDX-License-Identifier: BSD-2-Clause
  5. */
  6. #pragma once
  7. #include <AK/Time.h>
  8. #include <LibCore/EventLoopImplementation.h>
  9. namespace Core {
  10. class EventLoopManagerUnix final : public EventLoopManager {
  11. public:
  12. virtual ~EventLoopManagerUnix() override;
  13. virtual NonnullOwnPtr<EventLoopImplementation> make_implementation() override;
  14. virtual int register_timer(EventReceiver&, int milliseconds, bool should_reload, TimerShouldFireWhenNotVisible) override;
  15. virtual bool unregister_timer(int timer_id) override;
  16. virtual void register_notifier(Notifier&) override;
  17. virtual void unregister_notifier(Notifier&) override;
  18. virtual void did_post_event() override;
  19. virtual int register_signal(int signal_number, Function<void(int)> handler) override;
  20. virtual void unregister_signal(int handler_id) override;
  21. void wait_for_events(EventLoopImplementation::PumpMode);
  22. static Optional<MonotonicTime> get_next_timer_expiration();
  23. private:
  24. void dispatch_signal(int signal_number);
  25. static void handle_signal(int signal_number);
  26. };
  27. class EventLoopImplementationUnix final : public EventLoopImplementation {
  28. public:
  29. static NonnullOwnPtr<EventLoopImplementationUnix> create() { return make<EventLoopImplementationUnix>(); }
  30. EventLoopImplementationUnix();
  31. virtual ~EventLoopImplementationUnix();
  32. virtual int exec() override;
  33. virtual size_t pump(PumpMode) override;
  34. virtual void quit(int) override;
  35. virtual void wake() override;
  36. virtual void unquit() override;
  37. virtual bool was_exit_requested() const override;
  38. virtual void notify_forked_and_in_child() override;
  39. virtual void post_event(EventReceiver& receiver, NonnullOwnPtr<Event>&&) override;
  40. private:
  41. bool m_exit_requested { false };
  42. int m_exit_code { 0 };
  43. // The wake pipe of this event loop needs to be accessible from other threads.
  44. int (*m_wake_pipe_fds)[2];
  45. };
  46. }