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Diffstat (limited to 'libcult/cult/mm/arch/generic/counter.ixx')
-rw-r--r-- | libcult/cult/mm/arch/generic/counter.ixx | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/libcult/cult/mm/arch/generic/counter.ixx b/libcult/cult/mm/arch/generic/counter.ixx new file mode 100644 index 0000000..648d28a --- /dev/null +++ b/libcult/cult/mm/arch/generic/counter.ixx @@ -0,0 +1,47 @@ +// file : cult/mm/arch/generic/counter.ixx +// author : Boris Kolpackov <boris@kolpackov.net> +// copyright : Copyright (c) 2005-2010 Boris Kolpackov +// license : GNU GPL v2 + exceptions; see accompanying LICENSE file + +#include <cult/sched/lock.hxx> + +namespace Cult +{ + namespace MM + { + inline + Counter:: + Counter () + : value_ (1) + { + } + + inline + Void Counter:: + inc_ref () + { + Sched::Lock l (spin_); + + ++value_; + } + + inline + Boolean Counter:: + dec_ref () + { + Sched::Lock l (spin_); + + return --value_ == 0; + + } + + inline + Size Counter:: + count () const + { + Sched::Lock l (spin_); + + return value_; + } + } +} |