smokephil/ardour
1
0
Fork 0
mirror of https://github.com/Ardour/ardour.git synced 2026-01-04 04:39:33 +01:00
Code Issues Projects Releases Wiki Activity

clean up RCU fix even more; nedko's missing sources patch

Browse source 
git-svn-id: svn://localhost/ardour2/trunk@1514 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Paul Davis 2007-02-26 19:02:48 +00:00
parent 44a3f5419b
commit 3f95dc7a08
4 changed files with 24 additions and 14 deletions
Download patch file Download diff file Expand all files Collapse all files

2
libs/ardour/session_command.cc
View file

@ -392,7 +392,7 @@ Session::GlobalMeteringStateCommand::get_state()
if (r) {
child->add_property (X_("id"), r->id().to_s());
const char* meterstr;
const char* meterstr = 0;
switch (x->second) {
case MeterInput:

2
libs/ardour/session_midi.cc
View file

@ -136,7 +136,7 @@ Session::set_mmc_device_id (uint32_t device_id)
int
Session::set_mmc_port (string port_tag)
{
MIDI::byte old_device_id;
MIDI::byte old_device_id = 0;
bool reset_id = false;
if (port_tag.length() == 0) {

20
libs/pbd/pbd/rcu.h
View file

@ -10,23 +10,21 @@ template<class T>
class RCUManager
{
public:
RCUManager (T* new_rcu_value) {
x.m_rcu_value = new boost::shared_ptr<T> (new_rcu_value);
m_rcu_value = new boost::shared_ptr<T> (new_rcu_value);
}
virtual ~RCUManager() { delete m_rcu_value; }
virtual ~RCUManager() { delete x.m_rcu_value; }
boost::shared_ptr<T> reader () const { return *((boost::shared_ptr<T> *) g_atomic_pointer_get (&x.gptr)); }
boost::shared_ptr<T> reader () const { return *((boost::shared_ptr<T> *) g_atomic_pointer_get ((volatile gpointer*) &m_rcu_value)); }
virtual boost::shared_ptr<T> write_copy () = 0;
virtual bool update (boost::shared_ptr<T> new_value) = 0;
volatile gpointer* pointer() const { return (volatile gpointer*) &m_rcu_value; }
protected:
union {
boost::shared_ptr<T>* m_rcu_value;
volatile gpointer gptr;
} x;
volatile boost::shared_ptr<T>* m_rcu_value;
};
@ -59,7 +57,7 @@ public:
// store the current
current_write_old = RCUManager<T>::x.m_rcu_value;
current_write_old = (boost::shared_ptr<T>*) RCUManager<T>::m_rcu_value;
boost::shared_ptr<T> new_copy (new T(**current_write_old));
@ -75,7 +73,7 @@ public:
// update, checking that nobody beat us to it
bool ret = g_atomic_pointer_compare_and_exchange (&RCUManager<T>::x.gptr,
bool ret = g_atomic_pointer_compare_and_exchange (RCUManager<T>::pointer(),
(gpointer) current_write_old,
(gpointer) new_spp);