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Implement /proc/PID/vm.

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Refactored SyntheticFileSystem to maintain an arbitrary directory structure.
ProcFileSystem creates a directory entry in /proc for each new process.
This commit is contained in:
Andreas Kling 2018-10-26 17:42:12 +02:00
parent 10347b9ae8
commit a32b3a3ddf
15 changed files with 217 additions and 39 deletions
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20
AK/Vector.h
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@ -12,11 +12,12 @@ template<typename T>
class VectorImpl {
public:
~VectorImpl() { }
static OwnPtr<VectorImpl> create(size_t capacity)
static VectorImpl* create(size_t capacity)
{
size_t size = sizeof(VectorImpl) + sizeof(T) * capacity;
void* slot = kmalloc(size);
return OwnPtr<VectorImpl>(new (slot) VectorImpl(capacity));
new (slot) VectorImpl(capacity);
return (VectorImpl*)slot;
}
size_t size() const { return m_size; }
@ -59,14 +60,17 @@ public:
~Vector() { clear(); }
Vector(Vector&& other)
: m_impl(move(other.m_impl))
: m_impl(other.m_impl)
{
other.m_impl = nullptr;
}
Vector& operator=(Vector&& other)
{
if (this != &other)
m_impl = move(other.m_impl);
if (this != &other) {
m_impl = other.m_impl;
other.m_impl = nullptr;
}
return *this;
}
@ -75,6 +79,7 @@ public:
for (size_t i = 0; i < size(); ++i) {
at(i).~T();
}
kfree(m_impl);
m_impl = nullptr;
}
@ -134,8 +139,9 @@ public:
new (newImpl->slot(i)) T(move(m_impl->at(i)));
m_impl->at(i).~T();
}
kfree(m_impl);
}
m_impl = move(newImpl);
m_impl = newImpl;
}
class Iterator {
@ -174,7 +180,7 @@ private:
return max(size_t(4), capacity + (capacity / 4) + 4);
}
OwnPtr<VectorImpl<T>> m_impl;
VectorImpl<T>* m_impl { nullptr };
};
}