MaxScale/server/core/semaphore.cc
2017-06-01 10:24:20 +03:00

46 lines
1004 B
C++

/*
* Copyright (c) 2016 MariaDB Corporation Ab
*
* Use of this software is governed by the Business Source License included
* in the LICENSE.TXT file and at www.mariadb.com/bsl11.
*
* Change Date: 2020-01-01
*
* On the date above, in accordance with the Business Source License, use
* of this software will be governed by version 2 or later of the General
* Public License.
*/
#include <maxscale/semaphore.hh>
#include <time.h>
namespace maxscale
{
//static
void Semaphore::get_current_timespec(time_t seconds,
long nseconds,
timespec* pTs)
{
ss_dassert(nseconds <= 999999999);
timespec& ts = *pTs;
ss_debug(int rc=) clock_gettime(CLOCK_REALTIME, &ts);
ss_dassert(rc == 0);
ts.tv_sec += seconds;
uint64_t nseconds_sum = ts.tv_nsec + nseconds;
if (nseconds_sum > 1000000000)
{
ts.tv_sec += 1;
nseconds_sum -= 1000000000;
}
ts.tv_nsec = nseconds_sum;
}
}