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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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5
Kernel/TTY/PTYMultiplexer.cpp
View file

@ -26,6 +26,7 @@
#include "PTYMultiplexer.h"
#include "MasterPTY.h"
#include <AK/Singleton.h>
#include <Kernel/FileSystem/FileDescription.h>
#include <Kernel/Process.h>
#include <LibC/errno_numbers.h>
@ -35,18 +36,16 @@
namespace Kernel {
static const unsigned s_max_pty_pairs = 8;
static PTYMultiplexer* s_the;
static AK::Singleton<PTYMultiplexer> s_the;
PTYMultiplexer& PTYMultiplexer::the()
{
ASSERT(s_the);
return *s_the;
}
PTYMultiplexer::PTYMultiplexer()
: CharacterDevice(5, 2)
{
s_the = this;
m_freelist.ensure_capacity(s_max_pty_pairs);
for (int i = s_max_pty_pairs; i > 0; --i)
m_freelist.unchecked_append(i - 1);