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handle deletion of UI objects between the time that a callback is queued with the UI event loop and the execution of the callback (intrusive, big)

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git-svn-id: svn://localhost/ardour2/branches/3.0@6807 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Paul Davis 2010-03-30 15:18:43 +00:00
parent 10c257039d
commit 14b0ca31bc
87 changed files with 468 additions and 349 deletions
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29
libs/pbd/event_loop.cc
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@ -1,6 +1,9 @@
#include <iostream>
#include "pbd/event_loop.h"
#include "pbd/stacktrace.h"
using namespace PBD;
using namespace std;
Glib::StaticPrivate<EventLoop> EventLoop::thread_event_loop;
@ -17,3 +20,29 @@ EventLoop::set_event_loop_for_thread (EventLoop* loop)
thread_event_loop.set (loop, do_not_delete_the_loop_pointer);
}
void*
EventLoop::invalidate_request (void* data)
{
InvalidationRecord* ir = (InvalidationRecord*) data;
if (ir->event_loop) {
Glib::Mutex::Lock lm (ir->event_loop->slot_invalidation_mutex());
if (ir->request) {
cerr << "Object deleted had outstanding event loop request, IR created @ "
<< ir->file << ':' << ir->line
<< endl;
ir->request->valid = false;
ir->request->invalidation = 0;
} else {
cerr << "No queued request associated with object deletion from "
<< ir->file << ':' << ir->line
<< endl;
}
delete ir;
}
return 0;
}