Files
tubestation/mozglue/misc/Uptime.cpp
Jan Varga 184befbabe Bug 1957326 - Extract NowIncludingSuspendMs() and NowExcludingSuspendMs() into separate .h/.cpp; r=glandium
This patch moves NowIncludingSuspendMs() and NowExcludingSuspendMs() into
dedicated files (Now.h and Now.cpp) to improve discoverability and reusability.

Differential Revision: https://phabricator.services.mozilla.com/D243624
2025-04-01 10:23:18 +00:00

53 lines
1.4 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "Uptime.h"
#include "mozilla/Now.h"
using namespace mozilla;
namespace {
static Maybe<uint64_t> mStartExcludingSuspendMs;
static Maybe<uint64_t> mStartIncludingSuspendMs;
}; // anonymous namespace
namespace mozilla {
void InitializeUptime() {
MOZ_RELEASE_ASSERT(mStartIncludingSuspendMs.isNothing() &&
mStartExcludingSuspendMs.isNothing(),
"Must not be called more than once");
mStartIncludingSuspendMs = NowIncludingSuspendMs();
mStartExcludingSuspendMs = NowExcludingSuspendMs();
}
Maybe<uint64_t> ProcessUptimeMs() {
if (!mStartIncludingSuspendMs) {
return Nothing();
}
Maybe<uint64_t> maybeNow = NowIncludingSuspendMs();
if (!maybeNow) {
return Nothing();
}
return Some(maybeNow.value() - mStartIncludingSuspendMs.value());
}
Maybe<uint64_t> ProcessUptimeExcludingSuspendMs() {
if (!mStartExcludingSuspendMs) {
return Nothing();
}
Maybe<uint64_t> maybeNow = NowExcludingSuspendMs();
if (!maybeNow) {
return Nothing();
}
return Some(maybeNow.value() - mStartExcludingSuspendMs.value());
}
}; // namespace mozilla