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LibCore: Verify that EventLoop is initialized in its static API

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javabird25 2022-03-10 14:48:15 +05:00 • committed by Brian Gianforcaro
parent 4660b99ab7
commit 1770534d94
1 changed files with 14 additions and 0 deletions
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14
Userland/Libraries/LibCore/EventLoop.cpp
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@ -374,8 +374,17 @@ bool connect_to_inspector_server()
#endif #endif
} }
#define VERIFY_EVENT_LOOP_INITIALIZED() \
do { \
if (!s_event_loop_stack) { \
warnln("EventLoop static API was called without prior EventLoop init!"); \
VERIFY_NOT_REACHED(); \
} \
} while (0)
EventLoop& EventLoop::current() EventLoop& EventLoop::current()
{ {
VERIFY_EVENT_LOOP_INITIALIZED();
return s_event_loop_stack->last(); return s_event_loop_stack->last();
} }
@ -628,6 +637,7 @@ void EventLoop::unregister_signal(int handler_id)
void EventLoop::notify_forked(ForkEvent event) void EventLoop::notify_forked(ForkEvent event)
{ {
VERIFY_EVENT_LOOP_INITIALIZED();
switch (event) { switch (event) {
case ForkEvent::Child: case ForkEvent::Child:
s_main_event_loop.with_locked([]([[maybe_unused]] auto*& main_event_loop) { main_event_loop = nullptr; }); s_main_event_loop.with_locked([]([[maybe_unused]] auto*& main_event_loop) { main_event_loop = nullptr; });
@ -815,6 +825,7 @@ Optional<Time> EventLoop::get_next_timer_expiration()
int EventLoop::register_timer(Object& object, int milliseconds, bool should_reload, TimerShouldFireWhenNotVisible fire_when_not_visible) int EventLoop::register_timer(Object& object, int milliseconds, bool should_reload, TimerShouldFireWhenNotVisible fire_when_not_visible)
{ {
VERIFY_EVENT_LOOP_INITIALIZED();
VERIFY(milliseconds >= 0); VERIFY(milliseconds >= 0);
auto timer = make<EventLoopTimer>(); auto timer = make<EventLoopTimer>();
timer->owner = object; timer->owner = object;
@ -830,6 +841,7 @@ int EventLoop::register_timer(Object& object, int milliseconds, bool should_relo
bool EventLoop::unregister_timer(int timer_id) bool EventLoop::unregister_timer(int timer_id)
{ {
VERIFY_EVENT_LOOP_INITIALIZED();
s_id_allocator.with_locked([&](auto& allocator) { allocator->deallocate(timer_id); }); s_id_allocator.with_locked([&](auto& allocator) { allocator->deallocate(timer_id); });
auto it = s_timers->find(timer_id); auto it = s_timers->find(timer_id);
if (it == s_timers->end()) if (it == s_timers->end())
@ -840,11 +852,13 @@ bool EventLoop::unregister_timer(int timer_id)
void EventLoop::register_notifier(Badge<Notifier>, Notifier& notifier) void EventLoop::register_notifier(Badge<Notifier>, Notifier& notifier)
{ {
VERIFY_EVENT_LOOP_INITIALIZED();
s_notifiers->set(&notifier); s_notifiers->set(&notifier);
} }
void EventLoop::unregister_notifier(Badge<Notifier>, Notifier& notifier) void EventLoop::unregister_notifier(Badge<Notifier>, Notifier& notifier)
{ {
VERIFY_EVENT_LOOP_INITIALIZED();
s_notifiers->remove(&notifier); s_notifiers->remove(&notifier);
} }