#!/usr/sbin/dtrace -s

#pragma D option destructive

syscall::open*:entry
/ execname == "vim" && copyinstr(arg0) == "/etc/passwd" /
{
	self->in_open = 1;
}

syscall::open*:return
/ execname == "vim" && self->in_open /
{
	self->fd = arg0;
	printf("Got %d for /etc/passwd", self->fd);
	self->in_open = 0;
}



syscall::read:entry
/ execname == "vim" && self->fd == arg0 /
{
	printf("Read from /etc/passwd\n");
	/* stop(); */
	self->in_read = 1;
}

syscall::read:return
/ execname == "vim" && self->in_read /
{
	printf("<- read from /etc/passwd\n");
	stop();
	self->in_read = 0;
}