internal SafeAlpcDataViewBuffer(IntPtr view_base, long view_size,
SafeAlpcPortSectionHandle section_handle, AlpcDataViewAttrFlags flags,
bool owns_handle) : this(view_base, view_size, owns_handle)
{
Flags = flags;
// If creating a secure buffer then touch all pages. This is IMHO incredibly unintuitive.
if (Flags.HasFlag(AlpcDataViewAttrFlags.Secure))
{
int page_size = NtSystemInfo.PageSize;
long page_count = (view_size + page_size - 1) / page_size;
ulong offset = 0;
for (long i = 0; i < page_count; ++i)
{
Write(offset, Read <byte>(offset));
offset += (uint)page_size;
}
}
SectionHandle = section_handle;
}
internal AlpcPortSection(AlpcHandle handle, IntPtr size, IntPtr actual_section_size, NtAlpc port)
{
Handle = new SafeAlpcPortSectionHandle(handle, true, port);
Size = size.ToInt64();
ActualSectionSize = actual_section_size.ToInt64();
}
