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fix compiler complaints about RCU code; fix a couple of compiler warnings

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git-svn-id: svn://localhost/ardour2/trunk@1511 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Paul Davis 2007-02-26 17:44:09 +00:00
parent 54f18f26d4
commit c20e55d07a
4 changed files with 13 additions and 14 deletions
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2
libs/fst/vstwin.c
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@ -514,7 +514,7 @@ fst_load (const char *path)
return NULL;
}
if ((fhandle->main_entry = GetProcAddress (fhandle->dll, "main")) == NULL) {
if ((fhandle->main_entry = ((AEffect*)()(audioMasterCallback)) GetProcAddress (fhandle->dll, "main")) == NULL) {
fst_unload (fhandle);
return NULL;
}

19
libs/pbd/pbd/rcu.h
View file

@ -12,22 +12,21 @@ class RCUManager
public:
RCUManager (T* new_rcu_value) {
m_rcu_value = new boost::shared_ptr<T> (new_rcu_value);
x.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 (the_pointer())); }
boost::shared_ptr<T> reader () const { return *((boost::shared_ptr<T> *) g_atomic_pointer_get (&x.gptr)); }
virtual boost::shared_ptr<T> write_copy () = 0;
virtual bool update (boost::shared_ptr<T> new_value) = 0;
protected:
boost::shared_ptr<T>* m_rcu_value;
// this monstrosity is needed because of some wierd behavior by g++
gpointer * the_pointer() const { return (gpointer *) &m_rcu_value; }
union {
boost::shared_ptr<T>* m_rcu_value;
volatile gpointer gptr;
} x;
};
@ -60,7 +59,7 @@ public:
// store the current
current_write_old = RCUManager<T>::m_rcu_value;
current_write_old = RCUManager<T>::x.m_rcu_value;
boost::shared_ptr<T> new_copy (new T(**current_write_old));
@ -76,7 +75,7 @@ public:
// update, checking that nobody beat us to it
bool ret = g_atomic_pointer_compare_and_exchange (RCUManager<T>::the_pointer(),
bool ret = g_atomic_pointer_compare_and_exchange (&RCUManager<T>::x.gptr,
(gpointer) current_write_old,
(gpointer) new_spp);