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base: implement Object_pool::first_locked()

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ref #589
This commit is contained in:
Martin Stein 2013-09-12 21:09:05 +02:00 committed by Norman Feske
parent 84c31a7ea1
commit 1571e09823
1 changed files with 13 additions and 0 deletions
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13
base/include/base/object_pool.h
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@ -196,6 +196,19 @@ namespace Genode {
Lock::Guard lock_guard(_lock); Lock::Guard lock_guard(_lock);
return (OBJ_TYPE *)_tree.first(); return (OBJ_TYPE *)_tree.first();
} }
/**
* Return first element of tree locked
*
* This function is used for removing tree elements step by step.
*/
OBJ_TYPE *first_locked()
{
Lock::Guard lock_guard(_lock);
OBJ_TYPE * const obj_typed = (OBJ_TYPE *)_tree.first();
obj_typed->lock();
return obj_typed;
}
}; };
} }