18 lines
436 B
C++
18 lines
436 B
C++
#include "private/bionic_time_conversions.h"
|
|
|
|
#define NS_PER_S 1000000000
|
|
|
|
bool timespec_from_absolute_timespec(timespec& ts, const timespec& abs_ts, clockid_t clock) {
|
|
clock_gettime(clock, &ts);
|
|
ts.tv_sec = abs_ts.tv_sec - ts.tv_sec;
|
|
ts.tv_nsec = abs_ts.tv_nsec - ts.tv_nsec;
|
|
if (ts.tv_nsec < 0) {
|
|
ts.tv_sec--;
|
|
ts.tv_nsec += NS_PER_S;
|
|
}
|
|
if (ts.tv_nsec < 0 || ts.tv_sec < 0) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|