#include <u.h>
#include <libc.h>

void
main(int argc, char **argv)
{
	char *buf;
	int fd;

	if((fd = open("/dev/zero", OREAD)) < 0)
		sysfatal("open");

	buf = (char*)0x600000;
	segattach(0, "memory", buf, 2*4096);

	switch(rfork(RFPROC|RFMEM)){
	case -1:
		sysfatal("fork");
		break;
	case 0:
		for(;;){
			read(fd, buf+4096, 4096);
		}
	}
	sleep(1000);
	segbrk(buf, buf+4096);
}