Date: Sun, 13 Aug 2006 23:27:47 -0600 (MDT) From: "M. Warner Losh" <imp@bsdimp.com> To: julian@elischer.org Cc: deischen@freebsd.org, thompsa@freebsd.org, freebsd-current@freebsd.org, fullermd@over-yonder.net, sgk@troutmask.apl.washington.edu Subject: Re: Where is thr_getscheduler Message-ID: <20060813.232747.1723237013.imp@bsdimp.com> In-Reply-To: <44DFE9C0.4010702@elischer.org> References: <20060802172505.GA1935@troutmask.apl.washington.edu> <20060813.145131.1172764406.imp@bsdimp.com> <44DFE9C0.4010702@elischer.org>
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In message: <44DFE9C0.4010702@elischer.org>
Julian Elischer <julian@elischer.org> writes:
: M. Warner Losh wrote:
:
: >In message: <20060802172505.GA1935@troutmask.apl.washington.edu>
: > Steve Kargl <sgk@troutmask.apl.washington.edu> writes:
: >: Almost everything on a FreeBSD system depends on libc. Bumping
: >: its version number without careful coordination of bumping all
: >: other version numbers is full of landmines. Falling back of the
: >: retort "this is -current expect problesm" just glosses over what
: >: appears to be sloppy planning.
: >
: >I'm really hoping that we can stop bumping major versions of libc.so.7
: >when we go to versioned symbols.
: >
: >
:
: From my experienc, versioned symbols allows you to avoid about 50% of
: library version bumps
: but you still need them every now and then.
: There are lots of other ABI changes that need to happen that symbol
: versionning just can't help you with.
: For example, changing argument types.
That's the 'trivial' case that symbol versioning is supposed to fix...
warner
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