id	summary	reporter	owner	description	type	status	milestone	component	version	severity	resolution	keywords	cc
8301	filesystem::canonical() has a race condition on Windows 7/10	y.hoshizuki	Beman Dawes	"read_symlink() often throws a exception.

to confirm this problem, please compile and run the attached file.

i think it caused by read_symlink() opening a file exclusively.

{{{
    handle_wrapper h(
      create_file_handle(p.c_str(), GENERIC_READ, 0, 0, OPEN_EXISTING,
        FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OPEN_REPARSE_POINT, 0));
}}}

FILE_SHARE_READ argument resolves this problem, isn't it?"	Bugs	new	To Be Determined	filesystem	Boost 1.59.0	Problem