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/* Copyright 2018 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "cras_util.h"
#include "polled_interval_checker.h"
struct polled_interval {
struct timespec last_interval_start_ts;
int interval_sec;
};
static struct timespec now;
static inline int
get_sec_since_last_active(const struct timespec *last_active_ts)
{
struct timespec diff;
subtract_timespecs(&now, last_active_ts, &diff);
return diff.tv_sec;
}
void pic_update_current_time()
{
clock_gettime(CLOCK_MONOTONIC_RAW, &now);
}
struct polled_interval *pic_polled_interval_create(int interval_sec)
{
struct polled_interval *pi;
pi = malloc(sizeof(*pi));
pi->last_interval_start_ts = now;
pi->interval_sec = interval_sec;
return pi;
}
void pic_polled_interval_destroy(struct polled_interval **interval)
{
free(*interval);
*interval = NULL;
}
int pic_interval_elapsed(const struct polled_interval *pi)
{
return get_sec_since_last_active(&pi->last_interval_start_ts) >=
pi->interval_sec;
}
void pic_interval_reset(struct polled_interval *pi)
{
pi->last_interval_start_ts = now;
}
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