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nova: add inc/dec to native_types.h 

Issue #905
This commit is contained in:
Alexander Boettcher 2013-08-30 15:25:53 +02:00 committed by Norman Feske
parent 63d902543b
commit 75ecdab9e8
1 changed files with 37 additions and 2 deletions
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39
base-nova/include/base/native_types.h
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@ -20,6 +20,8 @@
#include <nova/syscalls.h>
#include <base/cap_map.h>
namespace Genode {
struct Native_thread
@ -109,6 +111,18 @@ namespace Genode {
: _cap(), _trans_map(true), _ptr(ptr),
_rcv_window(INVALID_INDEX) {}
inline void _inc(bool inc_if_one = false) const
{
Cap_index idx(cap_map()->find(local_name()));
idx.inc(inc_if_one);
}
inline void _dec() const
{
Cap_index idx(cap_map()->find(local_name()));
idx.dec();
}
public:
/**
@ -123,8 +137,10 @@ namespace Genode {
{
if (sel == INVALID_INDEX)
_cap = _Raw();
else
else {
_cap = _Raw(sel, rights);
_inc();
}
_trans_map = true;
_ptr = 0;
@ -133,7 +149,21 @@ namespace Genode {
Native_capability(const Native_capability &o)
: _cap(o._cap), _trans_map(o._trans_map), _ptr(o._ptr),
_rcv_window(o._rcv_window) {}
_rcv_window(o._rcv_window) { if (valid()) _inc(); }
~Native_capability() { if (valid()) _dec(); }
/**
* Overloaded comparison operator
*/
bool operator==(const Native_capability &o) const {
return (_ptr) ? _ptr == o._ptr : local_name() == o.local_name(); }
Native_capability operator+ () const
{
if (valid()) _inc(true);
return *this;
}
/**
* Copy constructor
@ -144,10 +174,15 @@ namespace Genode {
if (this == &o)
return *this;
if (valid()) _dec();
_cap = o._cap;
_trans_map = o._trans_map;
_ptr = o._ptr;
_rcv_window = o._rcv_window;
if (valid()) _inc();
return *this;
}