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-rw-r--r--libcult/cult/sched/lock.hxx58
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diff --git a/libcult/cult/sched/lock.hxx b/libcult/cult/sched/lock.hxx
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--- a/libcult/cult/sched/lock.hxx
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-// file : cult/sched/lock.hxx
-// author : Boris Kolpackov <boris@kolpackov.net>
-// copyright : Copyright (c) 2005-2010 Boris Kolpackov
-// license : GNU GPL v2 + exceptions; see accompanying LICENSE file
-
-#ifndef CULT_SCHED_LOCK_HXX
-#define CULT_SCHED_LOCK_HXX
-
-#include <cult/types/fundamental.hxx>
-
-namespace Cult
-{
- namespace Sched
- {
- class Lock: public NonCopyable
- {
- public:
- ~Lock ()
- {
- unlock ();
- }
-
- template <typename X>
- Lock (X& x)
- : x_ (reinterpret_cast<Void*>(&x)),
- unlock_ (&unlock<X>),
- locked_ (true)
- {
- x.lock ();
- }
-
- Void
- unlock ()
- {
- if (locked_)
- {
- unlock_ (x_);
- locked_ = false;
- }
- }
-
- private:
- template <typename X>
- static Void
- unlock (Void* p)
- {
- reinterpret_cast<X*> (p)->unlock ();
- }
-
- private:
- Void* x_;
- Void (*unlock_) (Void*);
- Boolean locked_;
- };
- }
-}
-
-#endif // CULT_SCHED_LOCK_HXX