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// Copyright 2019 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef LIB_ZX_PAGER_H_
#define LIB_ZX_PAGER_H_
#include <lib/zx/handle.h>
#include <lib/zx/object.h>
#include <lib/zx/port.h>
#include <lib/zx/vmo.h>
namespace zx {
class pager final : public object<pager> {
public:
static constexpr zx_obj_type_t TYPE = ZX_OBJ_TYPE_PAGER;
constexpr pager() = default;
explicit pager(zx_handle_t value) : object(value) {}
explicit pager(handle&& h) : object(h.release()) {}
pager(pager&& other) : object(other.release()) {}
pager& operator=(pager&& other) {
reset(other.release());
return *this;
}
static zx_status_t create(uint32_t options, pager* result);
zx_status_t create_vmo(uint32_t options, const port& port, uint64_t key, uint64_t size,
vmo* result) const {
return zx_pager_create_vmo(get(), options, port.get(), key, size,
result->reset_and_get_address());
}
zx_status_t detach_vmo(const vmo& vmo) const { return zx_pager_detach_vmo(get(), vmo.get()); }
zx_status_t supply_pages(const vmo& pager_vmo, uint64_t offset, uint64_t length,
const vmo& aux_vmo, uint64_t aux_offset) const {
return zx_pager_supply_pages(get(), pager_vmo.get(), offset, length, aux_vmo.get(), aux_offset);
}
};
using unowned_pager = unowned<pager>;
} // namespace zx
#endif // LIB_ZX_PAGER_H_