60 lines
1.4 KiB
C++
60 lines
1.4 KiB
C++
/*
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* \brief Heap content copied from parent via 'fork'
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* \author Norman Feske
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* \date 2019-08-14
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*/
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/*
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* Copyright (C) 2019 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 _LIBC__INTERNAL__CLONED_MALLOC_HEAP_RANGE_H_
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#define _LIBC__INTERNAL__CLONED_MALLOC_HEAP_RANGE_H_
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/* Genode includes */
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#include <region_map/region_map.h>
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/* libc-internal includes */
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#include <internal/clone_session.h>
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namespace Libc { struct Cloned_malloc_heap_range; }
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struct Libc::Cloned_malloc_heap_range
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{
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Genode::Ram_allocator &ram;
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Genode::Region_map &rm;
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Genode::Ram_dataspace_capability ds;
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size_t const size;
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addr_t const local_addr;
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Cloned_malloc_heap_range(Genode::Ram_allocator &ram, Genode::Region_map &rm,
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void *start, size_t size)
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try :
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ram(ram), rm(rm), ds(ram.alloc(size)), size(size),
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local_addr(rm.attach_at(ds, (addr_t)start))
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{ }
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catch (Region_map::Region_conflict) {
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error("could not clone heap region ", Hex_range(local_addr, size));
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throw;
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}
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void import_content(Clone_connection &clone_connection)
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{
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clone_connection.memory_content((void *)local_addr, size);
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}
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virtual ~Cloned_malloc_heap_range()
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{
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rm.detach(local_addr);
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ram.free(ds);
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}
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};
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#endif /* _LIBC__INTERNAL__CLONED_MALLOC_HEAP_RANGE_H_ */
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