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98afd02be3
timerfd_tracker and timerfd_shared classes:
- Just because handles are shared, we don't have to store them in
shared memory. Move share handles into timerfd_tracker class.
- Drop shared instance counter since it's not required anymore.
timerfd_shared only stores the actual timer data.
- Drop timerfd_shared::create, just set clock id.
- Drop timerfd_shared::dtor, it's not required anymore.
- Drop timerfd_tracker::close, just call dtor where required.
- Rename timerfd_tracker::increment_instances to timerfd_tracker::dup.
It's the only reason it exists...
- timerfd_tracker::dtor now checks the non-shared pointers for NULL
before attempting to close them.
- timerfd_tracker::dtor handles decrementing the local instance count
by itself.
- Add a method timerfd_tracker::init_fixup_after_fork_exec to set
non-shared pointers to NULL. Together with the dtor patches it
fixes a problem with close_on_exec timerfd descriptors.
- Fix a bug in handling the thread synchronization event. It's
actually nice to create it before using it...
- Drop using sec_none{_nih} in InitializeObjectAttributes. It's
an unnecessary roundabout route just to get a NULL pointer.
- Slightly rework timechange window handling.
- Add more comments to explain what happens.
fhandler_timerfd:
- Drop cnew macro, it just hides what happens.
- fhandler_timerfd::fixup_after_exec now calls
timerfd_tracker::init_fixup_after_fork_exec first, so a subsequent
call to timerfd_tracker::dtor only works on valid handles.
- fhandler_timerfd::close directly calls timerfd_tracker::dtor now.
- Drop dtor call in fhandler_timerfd destructor.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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