15 #include "base/threading/thread.h"
31       Thread creator_thread("creator_thread");  in NewObject()
36     DCHECK(result);  // We synchronized on thread destruction above.  in NewObject()
64 // and delete objects on a background thread.
65 class BackgroundThread : public Thread {
67   BackgroundThread() : Thread("owner_thread") {}  in BackgroundThread()
366   // Test that it is OK to create an object that supports WeakPtr on one thread,  in TEST()
376   // thread, but use it on another.  This tests that we do not trip runtime  in TEST()
385   // Move object ownership to another thread by releasing all weak pointers  in TEST()
386   // on the original thread first, and then establish WeakPtr on a different  in TEST()
387   // thread.  in TEST()
394     // Main thread deletes the WeakPtr, then the thread ownership of the  in TEST()
399   // Background thread creates WeakPtr(and implicitly owns the object).  in TEST()
404     // Main thread creates another WeakPtr, but this does not trigger implicitly  in TEST()
405     // thread ownership move.  in TEST()
409     // The new WeakPtr is owned by background thread.  in TEST()
413   // Target can only be deleted on background thread.  in TEST()
425     // Background thread creates WeakPtr.  in TEST()
428     // Bind to background thread.  in TEST()
434     // Now we should be able to create a new reference from this thread.  in TEST()
437     // Re-bind to main thread.  in TEST()
440     // And the main thread can now delete the target.  in TEST()
453   // Bind to main thread.  in TEST()
461   // Re-bind to background thread.  in TEST()
464   // And the background thread can now delete the target.  in TEST()
469   // Originating thread has a WeakPtr that outlives others.  in TEST()
470   // - Main thread creates a WeakPtr  in TEST()
471   // - Background thread creates a WeakPtr copy from the one in main thread  in TEST()
472   // - Destruct the WeakPtr on background thread  in TEST()
473   // - Destruct the WeakPtr on main thread  in TEST()
488   // Originating thread drops all references before another thread.  in TEST()
489   // - Main thread creates a WeakPtr and passes copy to background thread  in TEST()
490   // - Destruct the pointer on main thread  in TEST()
491   // - Destruct the pointer on background thread  in TEST()
507   // Originating thread invalidates WeakPtrs while its held by other thread.  in TEST()
508   // - Main thread creates WeakPtr and passes Copy to background thread  in TEST()
509   // - Object gets destroyed on main thread  in TEST()
510   //   (invalidates WeakPtr on background thread)  in TEST()
511   // - WeakPtr gets destroyed on Thread B  in TEST()
526   // Main thread creates a Target object.  in TEST()
528   // Main thread creates an arrow referencing the Target.  in TEST()
540   // Main thread creates a Target object.  in TEST()
542   // Main thread creates an arrow referencing the Target.  in TEST()
554   // Main thread creates a Target object.  in TEST()
556   // Main thread creates an arrow referencing the Target.  in TEST()
576   // Main thread creates a Target object.  in TEST()
578   // Main thread creates an arrow referencing the Target.  in TEST()
586   // The copy is still bound to main thread so I can deref.  in TEST()
589   // Although background thread created the copy, it can not deref the copied  in TEST()
601   // Main thread creates a Target object.  in TEST()
604   // Main thread creates an arrow referencing the Target (so target's  in TEST()
605   // thread ownership can not be implicitly moved).  in TEST()
610   // Background thread tries to deref target, which violates thread ownership.  in TEST()
623   // Main thread creates an arrow referencing the Target.  in TEST()
627   // Background thread tries to deref target, binding it to the thread.  in TEST()
632   // Main thread deletes Target, violating thread binding.  in TEST()
636   // must pass it to the background thread to teardown.  in TEST()
647   // Main thread creates an arrow referencing the Target, and references it, so  in TEST()
648   // that it becomes bound to the thread.  in TEST()
653   // Background thread tries to delete target, volating thread binding.  in TEST()
666   // Main thread creates an arrow referencing the Target.  in TEST()
670   // Background thread tries to delete target, binding the object to the thread.  in TEST()
675   // Main thread attempts to dereference the target, violating thread binding.  in TEST()