struct timespec;
(since C++17)Structure holding an interval broken down into seconds and nanoseconds.
[edit] Data members Member Description whole seconds, the value is >= â0â[â0â, 999999999]
The declaration order of tv_sec and tv_nsec is unspecified. Implementation may add other data members to timespec.
The type of tv_nsec is long long on some platforms, which is currently non-conforming in C++, but is allowed in C since C23.
#include <ctime>
#include <iostream>
int main()
{
std::timespec ts;
std::timespec_get(&ts, TIME_UTC);
char buff[0x80];
std::strftime(buff, sizeof buff, "%D %T", std::gmtime(&ts.tv_sec));
// auto [sec, nsec] = ts; // UB: structured bindings should not be used because the
// declaration order and data member list are unspecified
std::cout << "Current time: " << buff << " (UTC)\n"
<< "Raw timespec.tv_sec: " << ts.tv_sec << '\n'
<< "Raw timespec.tv_nsec: " << ts.tv_nsec << '\n';
}
Possible output:
Current time: 04/06/23 12:03:31 (UTC) Raw timespec.tv_sec: 1680782611 Raw timespec.tv_nsec: 678437213[edit] See also
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