2009-03-04 11:31:44 +08:00
|
|
|
/*
|
|
|
|
* Copyright (C) 2005 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.
|
|
|
|
*/
|
|
|
|
|
|
|
|
//
|
|
|
|
// Timer functions.
|
|
|
|
//
|
|
|
|
#include <utils/Timers.h>
|
|
|
|
|
2015-01-27 11:48:54 +08:00
|
|
|
#include <limits.h>
|
2009-03-04 11:31:44 +08:00
|
|
|
#include <time.h>
|
|
|
|
|
2015-07-30 23:47:35 +08:00
|
|
|
#if defined(__ANDROID__)
|
2009-03-04 11:31:44 +08:00
|
|
|
nsecs_t systemTime(int clock)
|
|
|
|
{
|
|
|
|
static const clockid_t clocks[] = {
|
|
|
|
CLOCK_REALTIME,
|
|
|
|
CLOCK_MONOTONIC,
|
|
|
|
CLOCK_PROCESS_CPUTIME_ID,
|
2012-07-20 00:17:24 +08:00
|
|
|
CLOCK_THREAD_CPUTIME_ID,
|
|
|
|
CLOCK_BOOTTIME
|
2009-03-04 11:31:44 +08:00
|
|
|
};
|
|
|
|
struct timespec t;
|
|
|
|
t.tv_sec = t.tv_nsec = 0;
|
|
|
|
clock_gettime(clocks[clock], &t);
|
|
|
|
return nsecs_t(t.tv_sec)*1000000000LL + t.tv_nsec;
|
2014-05-01 02:10:46 +08:00
|
|
|
}
|
2009-03-04 11:31:44 +08:00
|
|
|
#else
|
2014-05-01 02:10:46 +08:00
|
|
|
nsecs_t systemTime(int /*clock*/)
|
|
|
|
{
|
2014-04-11 01:40:55 +08:00
|
|
|
// Clock support varies widely across hosts. Mac OS doesn't support
|
|
|
|
// posix clocks, older glibcs don't support CLOCK_BOOTTIME and Windows
|
|
|
|
// is windows.
|
2009-03-04 11:31:44 +08:00
|
|
|
struct timeval t;
|
|
|
|
t.tv_sec = t.tv_usec = 0;
|
|
|
|
gettimeofday(&t, NULL);
|
|
|
|
return nsecs_t(t.tv_sec)*1000000000LL + nsecs_t(t.tv_usec)*1000LL;
|
|
|
|
}
|
2014-05-01 02:10:46 +08:00
|
|
|
#endif
|
2009-03-04 11:31:44 +08:00
|
|
|
|
2011-03-17 16:34:19 +08:00
|
|
|
int toMillisecondTimeoutDelay(nsecs_t referenceTime, nsecs_t timeoutTime)
|
|
|
|
{
|
2017-03-01 07:06:51 +08:00
|
|
|
nsecs_t timeoutDelayMillis;
|
2011-03-17 16:34:19 +08:00
|
|
|
if (timeoutTime > referenceTime) {
|
|
|
|
uint64_t timeoutDelay = uint64_t(timeoutTime - referenceTime);
|
|
|
|
if (timeoutDelay > uint64_t((INT_MAX - 1) * 1000000LL)) {
|
|
|
|
timeoutDelayMillis = -1;
|
|
|
|
} else {
|
|
|
|
timeoutDelayMillis = (timeoutDelay + 999999LL) / 1000000LL;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
timeoutDelayMillis = 0;
|
|
|
|
}
|
2017-03-01 07:06:51 +08:00
|
|
|
return (int)timeoutDelayMillis;
|
2011-03-17 16:34:19 +08:00
|
|
|
}
|