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@node timespec_getres
@section @code{timespec_getres}
@findex timespec_getres
ISO C23 specification:@* @url{http://www.open-std.org/jtc1/sc22/wg14/www/docs/n3047.pdf} section 7.29.2.7
Gnulib module: timespec_getres
Portability problems fixed by Gnulib:
@itemize
@item
This function is missing on some platforms:
glibc 2.33, macOS 12, FreeBSD 13.0, NetBSD 9.2, OpenBSD 7.0, Minix 3.3.0, AIX 7.1, HP-UX 11.31, IRIX 6.5, Solaris 11.3, Cygwin 2.9, mingw, MSVC 14, Android 9.0.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
@item
On some platforms, this function returns a value other than the clock
resolution of @code{timespec_get}, i.e., the minimum distance between
differing timestamps. For example, on GNU/Linux it typically returns
1 nanosecond regardless of the actual clock resolution.
@end itemize
The Gnulib module @code{gettime-res} is a partial substitute; it implements
the @code{TIME_UTC} functionality of @code{timespec_getres}.
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