50 lines
1.2 KiB
C++
50 lines
1.2 KiB
C++
|
/*
|
||
|
* Copyright (C) 2012 The Android Open Source Project
|
||
|
*
|
||
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
* you may not use this file except in compliance with the License.
|
||
|
* You may obtain a copy of the License at
|
||
|
*
|
||
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||
|
*
|
||
|
* Unless required by applicable law or agreed to in writing, software
|
||
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
* See the License for the specific language governing permissions and
|
||
|
* limitations under the License.
|
||
|
*/
|
||
|
|
||
|
#include "utils.h"
|
||
|
|
||
|
namespace android {
|
||
|
|
||
|
void Timeout::setTimeout(int msec) {
|
||
|
if (msec < 0) {
|
||
|
mSystemEndTime = 0;
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
mSystemEndTime = systemTime() + (static_cast<nsecs_t>(msec) * 1000000);
|
||
|
}
|
||
|
|
||
|
int Timeout::msecTillTimeout(nsecs_t nowTime) {
|
||
|
if (!mSystemEndTime) {
|
||
|
return -1;
|
||
|
}
|
||
|
|
||
|
if (mSystemEndTime < nowTime) {
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
nsecs_t delta = mSystemEndTime - nowTime;
|
||
|
delta += 999999;
|
||
|
delta /= 1000000;
|
||
|
if (delta > 0x7FFFFFFF) {
|
||
|
return 0x7FFFFFFF;
|
||
|
}
|
||
|
|
||
|
return static_cast<int>(delta);
|
||
|
}
|
||
|
|
||
|
} // namespace android
|