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dc39a8db62
This patch changes the 'Allocator' interface to the use of 'Attempt' return values instead of using exceptions for propagating errors. To largely uphold compatibility with components using the original exception-based interface - in particluar use cases where an 'Allocator' is passed to the 'new' operator - the traditional 'alloc' is still supported. But it existes merely as a wrapper around the new 'try_alloc'. Issue #4324
40 lines
893 B
C++
40 lines
893 B
C++
/*
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* \brief Genode::Allocator that uses the libc's global heap
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* \author Norman Feske
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* \date 2017-01-31
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*/
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/*
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* Copyright (C) 2017 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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#ifndef _INCLUDE__LIBC__ALLOCATOR_H_
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#define _INCLUDE__LIBC__ALLOCATOR_H_
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/* Genode includes */
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#include <base/allocator.h>
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/* libc includes */
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#include <stdlib.h>
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namespace Libc { struct Allocator; }
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struct Libc::Allocator : Genode::Allocator
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{
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typedef Genode::size_t size_t;
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Alloc_result try_alloc(size_t size) override { return malloc(size); }
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void free(void *addr, size_t size) override { ::free(addr); }
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bool need_size_for_free() const override { return false; }
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size_t overhead(size_t size) const override { return 0; }
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};
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#endif /* _INCLUDE__LIBC__ALLOCATOR_H_ */
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