#include <stdio.h>
#include <cuda_runtime_api.h>
#include <cuda_gl_interop.h>

#define SIZE 	10000000

int main(int argc, char *argv[]) {
	void 		*ptr;
	cudaError_t 	err;

	//cudaSetDevice(0);
	cudaGLSetGLDevice(0);
	err = cudaMalloc(&ptr, SIZE);
	if(err != cudaSuccess) printf("cudaMalloc failed: %s\n", cudaGetErrorString(err));
	else cudaFree(ptr);
	return 0;
}