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53 lines
2.0 KiB
C
53 lines
2.0 KiB
C
// Copyright (c) 2021-2022 ByteDance Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//
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// Created by Kelun Cai (caikelun@bytedance.com) on 2021-04-11.
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#pragma once
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#include <stddef.h>
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#include <stdint.h>
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#include <sys/time.h>
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#include "queue.h"
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typedef struct sh_trampo_page {
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uintptr_t ptr;
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uint32_t *flags;
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time_t *timestamps;
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SLIST_ENTRY(sh_trampo_page, ) link;
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} sh_trampo_page_t;
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typedef SLIST_HEAD(sh_trampo_page_list, sh_trampo_page, ) sh_trampo_page_list_t;
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typedef struct sh_trampo_mgr {
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sh_trampo_page_list_t pages;
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pthread_mutex_t pages_lock;
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const char *page_name;
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size_t trampo_size;
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time_t delay_sec;
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} sh_trampo_mgr_t;
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void sh_trampo_init_mgr(sh_trampo_mgr_t *mem_mgr, const char *page_name, size_t trampo_size,
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time_t delay_sec);
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uintptr_t sh_trampo_alloc(sh_trampo_mgr_t *mem_mgr, uintptr_t hint, uintptr_t low_offset,
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uintptr_t high_offset);
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void sh_trampo_free(sh_trampo_mgr_t *mem_mgr, uintptr_t mem);
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