RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-25 18:07:34 +00:00
Code Issues Activity Actions

EventLoop: Don't destroy ID allocator (#1403)

Browse source 
The ID allocator is destroyed before a timer in HackStudio is
is unregistered leading to an access violation.

Fixes #1382.
This commit is contained in:
Alex Muscar 2020-03-10 10:31:37 +00:00 • committed by GitHub
parent e07f50c398
commit 81c6f72134
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 6 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

11
Libraries/LibCore/EventLoop.cpp
View file

@ -28,6 +28,7 @@
#include <AK/IDAllocator.h> #include <AK/IDAllocator.h>
#include <AK/JsonObject.h> #include <AK/JsonObject.h>
#include <AK/JsonValue.h> #include <AK/JsonValue.h>
#include <AK/NeverDestroyed.h>
#include <AK/Time.h> #include <AK/Time.h>
#include <LibCore/Event.h> #include <LibCore/Event.h>
#include <LibCore/EventLoop.h> #include <LibCore/EventLoop.h>
@ -73,7 +74,7 @@ struct EventLoop::Private {
static EventLoop* s_main_event_loop; static EventLoop* s_main_event_loop;
static Vector<EventLoop*>* s_event_loop_stack; static Vector<EventLoop*>* s_event_loop_stack;
static IDAllocator s_id_allocator; static NeverDestroyed<IDAllocator> s_id_allocator;
static HashMap<int, NonnullOwnPtr<EventLoopTimer>>* s_timers; static HashMap<int, NonnullOwnPtr<EventLoopTimer>>* s_timers;
static HashTable<Notifier*>* s_notifiers; static HashTable<Notifier*>* s_notifiers;
int EventLoop::s_wake_pipe_fds[2]; int EventLoop::s_wake_pipe_fds[2];
@ -85,7 +86,7 @@ class RPCClient : public Object {
public: public:
explicit RPCClient(RefPtr<LocalSocket> socket) explicit RPCClient(RefPtr<LocalSocket> socket)
: m_socket(move(socket)) : m_socket(move(socket))
, m_client_id(s_id_allocator.allocate()) , m_client_id(s_id_allocator->allocate())
{ {
s_rpc_clients.set(m_client_id, this); s_rpc_clients.set(m_client_id, this);
add_child(*m_socket); add_child(*m_socket);
@ -201,7 +202,7 @@ public:
void shutdown() void shutdown()
{ {
s_rpc_clients.remove(m_client_id); s_rpc_clients.remove(m_client_id);
s_id_allocator.deallocate(m_client_id); s_id_allocator->deallocate(m_client_id);
} }
private: private:
@ -524,7 +525,7 @@ int EventLoop::register_timer(Object& object, int milliseconds, bool should_relo
timer->reload(now); timer->reload(now);
timer->should_reload = should_reload; timer->should_reload = should_reload;
timer->fire_when_not_visible = fire_when_not_visible; timer->fire_when_not_visible = fire_when_not_visible;
int timer_id = s_id_allocator.allocate(); int timer_id = s_id_allocator->allocate();
timer->timer_id = timer_id; timer->timer_id = timer_id;
s_timers->set(timer_id, move(timer)); s_timers->set(timer_id, move(timer));
return timer_id; return timer_id;
@ -532,7 +533,7 @@ 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)
{ {
s_id_allocator.deallocate(timer_id); s_id_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())
return false; return false;