OVERLAPPED struct was allocated using calloc() but deleted later. Fix this by
deallocating it with free() instead.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@67806 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Removing the path watched by wxFileSystemWatcher didn't do anything in wxMSW
implementation so we still continued getting events for the changes to this
path even after calling Remove().
Fix this by really implementing Remove() properly. Also add a unit test
checking that we don't get any events after calling Remove().
See #12847.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@67691 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
PostQueuedCompletionStatus() may be either an int or a pointer, pass 0 instead
of NULL when we don't care about its value anyhow.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@62678 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Merges everything from the branch with only some minor changes, mostly renamed
wxUSE_FSWATCHER_{INOTIFY,KQUEUE} to wxHAS_{INOTIFY,KQUEUE}.
Add wxFileSystemWatcher and related classes.
Also introduces wxEventLoopSource.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@62474 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
