Messages in this thread | | | Date | Fri, 18 Dec 1998 18:13:51 +0200 (EET) | From | Serguei Koubouchine <> | Subject | Re: Will IPC changes be included in the mainstream kernel ? |
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On Fri, 18 Dec 1998, Matti Aarnio wrote:
> Serguei Koubouchine <ksi@gu.net> is asking: > > > > Linus, can you tell us, mere mortals, will the IPC changes (new msg.h etc.) > > be included in the mainstream kernel? I have to make a decision what to > > patch, ac kernels or all the programs affected by those changes.... > > (I am not Linus, but..) > > Sergei, Do you mean that you are compiling code in > pre-GLIBC-2.0 environment which uses <linux/msg.h> > in user programs ?
No.
> In GLIBC 2.0/2.1 the <linux/msg.h> header should *not* be > included by user-space software, and thus you should not have > any grievances about this issue. (See <sys/msg.h> ) > > The new interface even is binary compatible with old *binaries*. > > What happens to the 'u_short' fields when the amount of data > in IPC queue exceeds 'u_short' value range is that apparently > the real value is stored there modulo 'u_short' value range.. > (e.g. 128k+10 bytes will appear to your old binaries as 10 bytes. > Not as - for example - USHORT_MAX value.) > Yeah, suboptimal, somewhat dangerous even.
Please tell it to e.g. KDE developers... Or to the guys who do develop iBCS...
======================================================================= Serguei Koubouchine aka the Tamer < > The impossible we do immediately. e-mail: ksi@gu.net SK320-RIPE < > Miracles require 24-hour notice. =======================================================================
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