private unsafe bool CheckForSufficientStack()
{
int num1 = StackGuard.s_pageSize;
if (num1 == 0)
{
Win32Native.SYSTEM_INFO lpSystemInfo = new Win32Native.SYSTEM_INFO();
Win32Native.GetSystemInfo(ref lpSystemInfo);
StackGuard.s_pageSize = num1 = lpSystemInfo.dwPageSize;
}
Win32Native.MEMORY_BASIC_INFORMATION buffer = new Win32Native.MEMORY_BASIC_INFORMATION();
UIntPtr num2 = new UIntPtr((void *)(&buffer - num1));
ulong uint64 = num2.ToUInt64();
if ((long)this.m_lastKnownWatermark != 0L && uint64 > this.m_lastKnownWatermark)
{
return(true);
}
IntPtr num3 = (IntPtr)Win32Native.VirtualQuery(num2.ToPointer(), ref buffer, (UIntPtr)((ulong)sizeof(Win32Native.MEMORY_BASIC_INFORMATION)));
if (uint64 - (UIntPtr)buffer.AllocationBase.ToUInt64() <= 65536UL)
{
return(false);
}
this.m_lastKnownWatermark = uint64;
return(true);
}
private unsafe bool CheckForSufficientStack()
{
if (s_pageSize == 0)
{
Win32Native.SYSTEM_INFO lpSystemInfo = new Win32Native.SYSTEM_INFO();
Win32Native.GetSystemInfo(ref lpSystemInfo);
s_pageSize = lpSystemInfo.dwPageSize;
}
Win32Native.MEMORY_BASIC_INFORMATION buffer = new Win32Native.MEMORY_BASIC_INFORMATION();
UIntPtr ptr = new UIntPtr((void *)(&buffer - s_pageSize));
ulong num = ptr.ToUInt64();
if ((this.m_lastKnownWatermark != 0L) && (num > this.m_lastKnownWatermark))
{
return(true);
}
Win32Native.VirtualQuery(ptr.ToPointer(), ref buffer, new IntPtr(sizeof(Win32Native.MEMORY_BASIC_INFORMATION)));
UIntPtr allocationBase = (UIntPtr)buffer.AllocationBase;
if ((num - allocationBase.ToUInt64()) > 0x10000L)
{
this.m_lastKnownWatermark = num;
return(true);
}
return(false);
}
private unsafe bool CheckForSufficientStack()
{
int num = StackGuard.s_pageSize;
if (num == 0)
{
Win32Native.SYSTEM_INFO system_INFO = default(Win32Native.SYSTEM_INFO);
Win32Native.GetSystemInfo(ref system_INFO);
num = (StackGuard.s_pageSize = system_INFO.dwPageSize);
}
Win32Native.MEMORY_BASIC_INFORMATION memory_BASIC_INFORMATION = default(Win32Native.MEMORY_BASIC_INFORMATION);
UIntPtr uintPtr = new UIntPtr((void *)((byte *)(&memory_BASIC_INFORMATION) - (IntPtr)num * (IntPtr)sizeof(Win32Native.MEMORY_BASIC_INFORMATION)));
ulong num2 = uintPtr.ToUInt64();
if (this.m_lastKnownWatermark != 0UL && num2 > this.m_lastKnownWatermark)
{
return(true);
}
Win32Native.VirtualQuery(uintPtr.ToPointer(), ref memory_BASIC_INFORMATION, (UIntPtr)((ulong)((long)sizeof(Win32Native.MEMORY_BASIC_INFORMATION))));
if (num2 - ((UIntPtr)memory_BASIC_INFORMATION.AllocationBase).ToUInt64() > 65536UL)
{
this.m_lastKnownWatermark = num2;
return(true);
}
return(false);
}
