53 lines
1.0 KiB
C
53 lines
1.0 KiB
C
/*
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* Copyright (C) 2018-2022 Intel Corporation.
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <stdio.h>
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#include <stdbool.h>
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#include <pthread.h>
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#include "vmmapi.h"
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#include "log.h"
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static pthread_cond_t suspend_cond = PTHREAD_COND_INITIALIZER;
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static pthread_mutex_t suspend_mutex = PTHREAD_MUTEX_INITIALIZER;
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int
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wait_for_resume(struct vmctx *ctx)
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{
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pthread_mutex_lock(&suspend_mutex);
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while (vm_get_suspend_mode() == VM_SUSPEND_SUSPEND) {
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pthread_cond_wait(&suspend_cond, &suspend_mutex);
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}
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pthread_mutex_unlock(&suspend_mutex);
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return 0;
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}
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int
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vm_resume(struct vmctx *ctx)
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{
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pthread_mutex_lock(&suspend_mutex);
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pr_info("%s: setting VM state to %s\n", __func__, vm_state_to_str(VM_SUSPEND_NONE));
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vm_set_suspend_mode(VM_SUSPEND_NONE);
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pthread_cond_signal(&suspend_cond);
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pthread_mutex_unlock(&suspend_mutex);
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return 0;
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}
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int
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vm_monitor_resume(void *arg)
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{
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struct vmctx *ctx = (struct vmctx *)arg;
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vm_resume(ctx);
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return 0;
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}
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int
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vm_monitor_query(void *arg)
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{
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return vm_get_suspend_mode();
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}
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