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AK: Move the userspace SharedBuffer from LibC to AK

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This always felt out-of-place in LibC.
This commit is contained in:
Andreas Kling 2020-01-01 18:53:34 +01:00
parent 38f93ef13b
commit fc86460134
22 changed files with 41 additions and 24 deletions
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34
AK/SharedBuffer.h Normal file
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#pragma once
#include <AK/RefCounted.h>
#include <AK/RefPtr.h>
namespace AK {
class SharedBuffer : public RefCounted<SharedBuffer> {
public:
static RefPtr<SharedBuffer> create_with_size(int);
static RefPtr<SharedBuffer> create_from_shared_buffer_id(int);
~SharedBuffer();
bool share_globally();
bool share_with(pid_t);
int shared_buffer_id() const { return m_shared_buffer_id; }
void seal();
int size() const { return m_size; }
void* data() { return m_data; }
const void* data() const { return m_data; }
void set_volatile();
[[nodiscard]] bool set_nonvolatile();
private:
SharedBuffer(int shared_buffer_id, int size, void*);
int m_shared_buffer_id { -1 };
int m_size { 0 };
void* m_data;
};
}
using AK::SharedBuffer;