On Thu, 01 Jul 2021 00:14:12 +0200, Ingo Schwarze wrote: > I'm confused. It seems i fail to find useconds_t in POSIX. > I only see suseconds_t there, in <sys/types.h>, which must be signed, > include [-1, 1000000], and not be wider than long. Also, our manual > says ualarm(3) is -xpg4.2. That's basically -susv1, isn't it? > So i would expect ualarm(3) to appear in modern POSIX, too. > Was it deleted at some point?
Yes, it was removed in -susv4. > I think it would be ideal for the manual page text to state > which values can be used in a *portable* way. If, for some reason, > that is not desirable, then the main text should say which values > can be used on OpenBSD, and STANDARDS should say that using values > above XYZ is an extension. The standard didn't ever specify things in that level of detail as far as I can tell. - todd
