reference, declaration → definition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced

References

usr/include/c++/7.4.0/bits/std_mutex.h

  142   _GLIBCXX17_INLINE constexpr defer_lock_t	defer_lock { };
  201       unique_lock(mutex_type& __m, defer_lock_t) noexcept

usr/include/c++/7.4.0/shared_mutex

  555       shared_lock(mutex_type& __m, defer_lock_t) noexcept