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Experimental squashing of reservation memory area.

Browse source 
Enables trivial synchronization between shared mem.
Reduces memory usage, but potentially degrades performance.
Rename an overload of vm::passive_lock to vm::range_lock.
This commit is contained in:
Nekotekina 2020-04-11 11:16:28 +03:00
parent 8cb1f4fe26
commit c7fe8567b8
10 changed files with 182 additions and 69 deletions
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3
Utilities/VirtualMemory.cpp
View file

@ -141,8 +141,9 @@ namespace utils
#endif
}
shm::shm(u32 size)
shm::shm(u32 size, u32 flags)
: m_size(::align(size, 0x10000))
, m_flags(flags)
{
#ifdef _WIN32
m_handle = ::CreateFileMappingW(INVALID_HANDLE_VALUE, NULL, PAGE_EXECUTE_READWRITE, 0, m_size, NULL);

9
Utilities/VirtualMemory.h
View file

@ -48,9 +48,10 @@ namespace utils
int m_file;
#endif
u32 m_size;
u32 m_flags;
public:
explicit shm(u32 size);
explicit shm(u32 size, u32 flags = 0);
shm(const shm&) = delete;
@ -74,5 +75,11 @@ namespace utils
{
return m_size;
}
// Flags are unspecified, consider it userdata
u32 flags() const
{
return m_flags;
}
};
}