diff options
Diffstat (limited to 'odb/details/shared-ptr/base.ixx')
-rw-r--r-- | odb/details/shared-ptr/base.ixx | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/odb/details/shared-ptr/base.ixx b/odb/details/shared-ptr/base.ixx new file mode 100644 index 0000000..cd8e2ce --- /dev/null +++ b/odb/details/shared-ptr/base.ixx @@ -0,0 +1,85 @@ +// file : odb/details/shared-ptr/base.ixx +// author : Boris Kolpackov <boris@codesynthesis.com> +// copyright : Copyright (c) 2009-2010 Code Synthesis Tools CC +// license : GNU GPL v2; see accompanying LICENSE file + +namespace odb +{ + namespace details + { + // share + // + + inline share:: + share (char id) + : id_ (id) + { + } + + inline bool share:: + operator== (share x) const + { + return id_ == x.id_; + } + + // shared_base + // + + inline shared_base:: + shared_base () + : counter_ (1), callback_ (0) + { + } + + inline shared_base:: + shared_base (const shared_base&) + : counter_ (1), callback_ (0) + { + } + + inline shared_base& shared_base:: + operator= (const shared_base&) + { + return *this; + } + + inline void shared_base:: + _inc_ref () + { + counter_++; + } + + inline bool shared_base:: + _dec_ref () + { + if (callback_ == 0) + return --counter_ == 0; + else + return _dec_ref_callback (); + } + + inline std::size_t shared_base:: + _ref_count () const + { + return counter_; + } + + inline void* shared_base:: + operator new (std::size_t n, share) throw (std::bad_alloc) + { + return ::operator new (n); + } + + inline void shared_base:: + operator delete (void* p, share) throw () + { + ::operator delete (p); + } + + inline void shared_base:: + operator delete (void* p) throw () + { + ::operator delete (p); + } + } +} |