devinacker / exhal Goto Github PK

// PInvoke signature
[DllImport("compress.dll", EntryPoint = "pack", CallingConvention = CallingConvention.Cdecl)]
public static extern int Pack(byte[] unpacked, int inputsize, byte[] packed, int fast);

// Create random test buffers
byte[][] testBuffers = new byte[16][];
var rand = new Random();

for (int i = 0; i < 16; i++)
{
    testBuffers[i] = new byte[4096];
    rand.NextBytes(testBuffers[i]);
}

// Create output buffers
byte[][] outputBuffers = new byte[16][];
for (int i = 0; i < 16; i++)
    outputBuffers[i] = new byte[64 * 1024];

// Run pack() in parallel
Parallel.For(0, 16, i =>
    {
        int index = i;
        int packedSize = Pack(testBuffers[index], 4096, outputBuffers[index], 1);
    });

// Program crashes with "A first chance exception of type 'System.AccessViolationException' occurred"