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Kernel: Yet more work on bringing up POSIX SHM.

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This commit is contained in:
Andreas Kling 2019-04-09 02:37:05 +02:00
parent d6ff64db00
commit 60a819c14a
7 changed files with 97 additions and 9 deletions
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18
Kernel/SharedMemory.h
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@ -2,21 +2,31 @@
#include <AK/Retainable.h>
#include <AK/RetainPtr.h>
#include <AK/AKString.h>
#include <Kernel/KResult.h>
#include <Kernel/UnixTypes.h>
class VMObject;
class SharedMemory : public Retainable<SharedMemory> {
public:
static Retained<SharedMemory> create();
static KResultOr<Retained<SharedMemory>> open(const String& name, int flags, mode_t);
static KResult unlink(const String& name);
~SharedMemory();
String name() const { return m_name; }
KResult truncate(int);
VMObject* vmo() { return m_vmo.ptr(); }
const VMObject* vmo() const { return m_vmo.ptr(); }
uid_t uid() const { return m_uid; }
gid_t gid() const { return m_gid; }
private:
SharedMemory();
SharedMemory(const String& name, uid_t, gid_t, mode_t);
int m_uid { 0 };
int m_gid { 0 };
String m_name;
uid_t m_uid { 0 };
gid_t m_gid { 0 };
mode_t m_mode { 0 };
RetainPtr<VMObject> m_vmo;
};