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prevent multiple concurrent plugin scans.

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This commit is contained in:
Robin Gareus 2015-07-16 19:49:55 +02:00
parent 87b89a605f
commit 700c7b225f
2 changed files with 8 additions and 0 deletions
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2
libs/ardour/ardour/plugin_manager.h
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@ -144,6 +144,8 @@ class LIBARDOUR_API PluginManager : public boost::noncopyable {
std::string get_ladspa_category (uint32_t id);
std::vector<uint32_t> ladspa_plugin_whitelist;
Glib::Threads::Mutex _lock;
static PluginManager* _instance; // singleton
PluginManager ();
};

6
libs/ardour/plugin_manager.cc
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@ -225,6 +225,12 @@ PluginManager::~PluginManager()
void
PluginManager::refresh (bool cache_only)
{
Glib::Threads::Mutex::Lock lm (_lock, Glib::Threads::TRY_LOCK);
if (!lm.locked()) {
return;
}
DEBUG_TRACE (DEBUG::PluginManager, "PluginManager::refresh\n");
_cancel_scan = false;