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Kernel: Switch singletons to use new Singleton class

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MemoryManager cannot use the Singleton class because
MemoryManager::initialize is called before the global constructors
are run. That caused the Singleton to be re-initialized, causing
it to create another MemoryManager instance.

Fixes #3226
This commit is contained in:
Tom 2020-08-24 19:35:19 -06:00 • committed by Andreas Kling
parent ba6e4fb77f
commit d89582880e
46 changed files with 221 additions and 170 deletions
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6
Kernel/Net/UDPSocket.cpp
View file

@ -24,6 +24,7 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <AK/Singleton.h>
#include <Kernel/Devices/RandomDevice.h>
#include <Kernel/Net/NetworkAdapter.h>
#include <Kernel/Net/Routing.h>
@ -41,11 +42,10 @@ void UDPSocket::for_each(Function<void(const UDPSocket&)> callback)
callback(*it.value);
}
static AK::Singleton<Lockable<HashMap<u16, UDPSocket*>>> s_map;
Lockable<HashMap<u16, UDPSocket*>>& UDPSocket::sockets_by_port()
{
static Lockable<HashMap<u16, UDPSocket*>>* s_map;
if (!s_map)
s_map = new Lockable<HashMap<u16, UDPSocket*>>;
return *s_map;
}