Date: Mon, 12 Aug 2019 23:12:47 +0200 From: Lukasz Majewski <lukma@...x.de> To: Rich Felker <dalias@...c.org> Cc: libc-alpha@...rceware.org, musl@...ts.openwall.com, Joseph Myers <joseph@...esourcery.com> Subject: Re: time64 abi choices for glibc and musl Hi Rich, > On Sat, Aug 10, 2019 at 01:58:08PM -0400, Rich Felker wrote: > > Note: this email is to glibc list and particularly seeking feedback > > from glibc folks, but CC'd to musl list as well. > > > > As far as I can tell, most time64 work/discussion on the glibc side > > so far has been about implementation mechanisms and symbol-binding > > ABI aspects, and one aspect that doesn't seem to have been > > addressed is making good choices about the actual types involved. > > Some of them have been done: > > > > struct timespec (endian-matching padding) > > struct timeval (64-bit suseconds_t) > > struct itimerspec, itimerval, utimbuf, timeb (obvious definitions) > > > > but I haven't seen a clear proposal with rationale for the choices > > in defining: > > > > struct stat > > struct msqid_ds, semid_ds, shmid_ds (sysvipc) > > struct rusage > > struct timex > > struct utmp[x] > > > > [...] > > The wiki at https://sourceware.org/glibc/wiki/Y2038ProofnessDesign > does not seem to cover any of this issue, > and the two branch links > that should shed light on the types seem to be down/deleted: > > https://sourceware.org/git/?p=glibc.git;a=log;h=refs/heads/aaribaud/y2038-2.26 > https://sourceware.org/git/?p=glibc.git;a=log;h=refs/heads/aaribaud/y2038-2.26-rfc-2 > > I'm guessing the following is the current one that should be linked > instead, no? > > https://sourceware.org/git/?p=glibc.git;a=log;h=refs/heads/aaribaud/y2038 The most recent development of this code - i.e. 2.29 glibc working with warrior Yocto/OE can be found here: https://github.com/lmajewski/y2038_glibc/commits/Y2038-2.29-glibc-warrior-01-08-2019 (At least on 32 bit system BSP build with Yocto/OE with glibc from above link it is possible to set / read date beyond Y2038. However, there are still some parts broken - like ping timestamps.) > > Rich Best regards, Lukasz Majewski -- DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: lukma@...x.de Content of type "application/pgp-signature" skipped
Powered by blists - more mailing lists
Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.