qemu

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/*
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 * Helper functionality for some process progress tracking.
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 *
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 * Copyright (c) 2011 IBM Corp.
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 * Copyright (c) 2012, 2018 Red Hat, Inc.
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 * Copyright (c) 2020 Virtuozzo International GmbH
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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
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 * all 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
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 * THE 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
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 * THE SOFTWARE.
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 */
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#include "qemu/osdep.h"
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#include "qemu/coroutine.h"
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#include "qemu/progress_meter.h"
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void progress_init(ProgressMeter *pm)
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{
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    qemu_mutex_init(&pm->lock);
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}
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void progress_destroy(ProgressMeter *pm)
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{
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    qemu_mutex_destroy(&pm->lock);
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}
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void progress_get_snapshot(ProgressMeter *pm, uint64_t *current,
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                           uint64_t *total)
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{
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    QEMU_LOCK_GUARD(&pm->lock);
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    *current = pm->current;
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    *total = pm->total;
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}
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void progress_work_done(ProgressMeter *pm, uint64_t done)
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{
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    QEMU_LOCK_GUARD(&pm->lock);
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    pm->current += done;
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}
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void progress_set_remaining(ProgressMeter *pm, uint64_t remaining)
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{
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    QEMU_LOCK_GUARD(&pm->lock);
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    pm->total = pm->current + remaining;
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}
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void progress_increase_remaining(ProgressMeter *pm, uint64_t delta)
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{
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    QEMU_LOCK_GUARD(&pm->lock);
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    pm->total += delta;
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}
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