Similarly like svcGetProcessList, this retrieves the list of threads
from the current process. In the kernel itself, a process instance
maintains a list of threads, which are used within this function.

Threads are registered to a process' thread list at thread
initialization, and unregistered from the list upon thread destruction
(if said thread has a non-null owning process).

We assert on the debug event case, as we currently don't implement
kernel debug objects.

This service function simply copies out a specified number of kernel
process IDs, while simultaneously reporting the total number of
processes.

Since C++17, the introduction of deduction guides for locking facilities
means that we no longer need to hardcode the mutex type into the locks
themselves, making it easier to switch mutex types, should it ever be
necessary in the future.

This was made unused in b404fcdf, but
the parameter itself wasn't removed.

Since C++17, we no longer need to explicitly specify the type of the
mutex within the lock_guard. The type system can now deduce these with
deduction guides.

Resolves a -Wextra-semi warning.

Based off RE, most of these structure members are register values, which
makes, sense given this service is used to convey fatal errors.

One member indicates the program entry point address, one is a set of
bit flags used to determine which registers to print, and one member
indicates the architecture type.

The only member that still isn't determined is the final member within
the data structure.

Many of these functions are carried over from Dolphin (where they aren't
used anymore). Given these have no use (and we really shouldn't be
screwing around with OS-specific thread scheduler handling from the
emulator, these can be removed.

The function for setting the thread name is left, however, since it can
have debugging utility usages.

This was initially added to prevent problems from stubbed/not implemented NFC services, but as we never encountered such and as it's only used in a deprecated function anyway, I guess we can just remove it to prevent more clutter of the settings.

Reports the (mostly) correct size through svcGetInfo now for queries to
total used physical memory. This still doesn't correctly handle memory
allocated via svcMapPhysicalMemory, however, we don't currently handle
that case anyways.

This will be necessary to properly report the used memory size in
svcGetInfo.

This will be necessary in order to properly report memory usage within
svcGetInfo.

This will make operating with the process-related SVC commands much
nicer in the future (the parameter representing the stack size in
svcStartProcess is a 64-bit value).

The kernel always makes sure that the given stack size is aligned to
page boundaries.

The pusher instance is only ever used in the constructor of the
ThreadManager for creating the thread that the ThreadManager instance
contains. Aside from that, the member is unused, so it can be removed.

This member variable is no longer being used, so it can be removed,
removing a dependency on EmuWindow from the rasterizer's interface"

Specifies the members in the same order that initialization would take
place in.

This also silences -Wreorder warnings.

Ensures that the signatures will always match with the base class.

Also silences a few compilation warnings.

smaphore -> semaphore

These don't need to be visible outside of the translation unit, so they
can be enclosed within an anonymous namespace.

In some cases, our callbacks were using s64 as a parameter, and in other
cases, they were using an int, which is inconsistent.

To make all callbacks consistent, we can just use an s64 as the type for
late cycles, given it gets rid of the need to cast internally.

While we're at it, also resolve some signed/unsigned conversions that
were occurring related to the callback registration.

This is no longer necessary, as ResultVal isn't used anywhere in the
header.

Another leftover from citra that's now no longer necessary.

One behavior that we weren't handling properly in our heap allocation
process was the ability for the heap to be shrunk down in size if a
larger size was previously requested.

This adds the basic behavior to do so and also gets rid of HeapFree, as
it's no longer necessary now that we have allocations and deallocations
going through the same API function.

While we're at it, fully document the behavior that this function
performs.

Makes it more obvious that this function is intending to stand in for
the actual supervisor call itself, and not acting as a general heap
allocation function.

Also the following change will merge the freeing behavior of HeapFree
into this function, so leaving it as HeapAllocate would be misleading.

In cases where HeapAllocate is called with the same size of the current
heap, we can simply do nothing and return successfully.

This avoids doing work where we otherwise don't have to. This is also
what the kernel itself does in this scenario.

Over time these have fallen out of use due to refactoring, so these can
be removed.

This isn't required anymore, as all the kernel ever queries is the size
of the current heap, not the total usage of it.

Another holdover from citra that can be tossed out is the notion of the
heap needing to be allocated in different addresses. On the switch, the
base address of the heap will always be managed by the memory allocator
in the kernel, so this doesn't need to be specified in the function's
interface itself.

The heap on the switch is always allocated with read/write permissions,
so we don't need to add specifying the memory permissions as part of the
heap allocation itself either.

This also corrects the error code returned from within the function.
If the size of the heap is larger than the entire heap region, then the
kernel will report an out of memory condition.

The use of a shared_ptr is an implementation detail of the VMManager
itself when mapping memory. Because of that, we shouldn't require all
users of the CodeSet to have to allocate the shared_ptr ahead of time.
It's intended that CodeSet simply pass in the required direct data, and
that the memory manager takes care of it from that point on.

This means we just do the shared pointer allocation in a single place,
when loading modules, as opposed to in each loader.

Makes it impossible to indirectly violate the ODR in some other
translation unit due to these existing.