C++ (Cpp) map_get_ref Examples

Example #1

File: mmap.c Project: AjeyBohare/minix

/*===========================================================================*
 *				do_get_refcount		     		     *
 *===========================================================================*/
int do_get_refcount(message *m)
{
	int r, n;
	struct vmproc *vmp;
	endpoint_t target;
	u8_t cnt;
	vir_bytes addr;

	target = m->VMREFCNT_ENDPT;
	addr = m->VMREFCNT_ADDR;

	if ((r = vm_isokendpt(target, &n)) != OK)
		return EINVAL;

	vmp = &vmproc[n];

	r = map_get_ref(vmp, addr, &cnt);

	m->VMREFCNT_RETC = cnt;
	return r;
}

Example #2

/*===========================================================================*
 *				do_get_refcount		     		     *
 *===========================================================================*/
int do_get_refcount(message *m)
{
	int r, n;
	struct vmproc *vmp;
	endpoint_t target;
	u8_t cnt;
	vir_bytes addr;

	target = m->m_lsys_vm_getref.endpt;
	addr = (vir_bytes) m->m_lsys_vm_getref.addr;

	if ((r = vm_isokendpt(target, &n)) != OK)
		return EINVAL;

	vmp = &vmproc[n];

	r = map_get_ref(vmp, addr, &cnt);

	m->m_lsys_vm_getref.retc = cnt;
	return r;
}

Example #3

File: mmap.c Project: locosoft1986/nucleos

/*===========================================================================*
 *				do_get_refcount		     		     *
 *===========================================================================*/
int do_get_refcount(kipc_msg_t *m)
{
	int r, n;
	struct vmproc *vmp;
	endpoint_t target;
	u8_t cnt;
	vir_bytes addr;

	target = m->VMREFCNT_ENDPT;
	addr = m->VMREFCNT_ADDR;

	if ((r = vm_isokendpt(target, &n)) != 0)
		return -EINVAL;

	vmp = &vmproc[n];
	addr = arch_vir2map(vmp, addr);

	r = map_get_ref(vmp, addr, &cnt);

	m->VMREFCNT_RETC = cnt;
	return r;
}