From mboxrd@z Thu Jan 1 00:00:00 1970 From: John David Anglin Subject: Re: systemd real-time signals choices clash with Linux/PARISC available SIGRT range, WAS: fanotify_mark() Date: Tue, 27 Aug 2013 11:26:41 -0400 Message-ID: <521CC531.6020106@bell.net> References: <20130813154958.7514d525@marga.jer-c2.orkz.net> <520AA546.2070503@gmx.de> <20130814005400.3766f068@marga.jer-c2.orkz.net> <20130826014657.05f4c466@marga.jer-c2.orkz.net> <521BC84B.4090602@gmx.de> <20130827164601.4accbbfb@marga.jer-c2.orkz.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Cc: linux-parisc@vger.kernel.org, Helge Deller To: Jeroen Roovers Return-path: In-Reply-To: <20130827164601.4accbbfb@marga.jer-c2.orkz.net> List-ID: List-Id: linux-parisc.vger.kernel.org On 8/27/2013 10:46 AM, Jeroen Roovers wrote: > On Mon, 26 Aug 2013 18:37:54 -0400 > John David Anglin wrote: > >> On 26-Aug-13, at 5:27 PM, Helge Deller wrote: >>>> [1] Sneak preview: https://bugs.gentoo.org/show_bug.cgi?id=482214 >>> Did you already filed this signal-problem upstream as suggested in >>> comment #3 (https://bugs.gentoo.org/show_bug.cgi?id=482214#c3)? > Well, there are two ways to resolve this problem, and seeing who is > developing systemd and seeing the generous way the "available" signal > range is used, I'm pretty doubtful about changes there. > > As I said in comment #2, that range could be compacted (a lot) and then > fit easily on any future platform. Since it was a design choice even > reflected in man pages[1] ("[...], SIGRTMIN+29 Sets the log level to > [...]"), I'm very afraid they will not change it easily. > >> I believe two of the signal numbers come from HP-UX. > #define SIGXCPU 33 > #define SIGXFSZ 34 The signal numbers for these two signals come from HP-UX but the signals are used by Linux, so I can't see how they can change. > #define SIGSTKFLT 36 > > According to [2], SIGSTKFLT isn't used. This signal isn't used by HP-UX but it is used by Linux, so again this can't change. Can we change _NSIG to 69 so there are 32 RT signals as on other arches? > > Do we still support HP-UX? I have never seen a binary for it I could > try with, but then maybe I never went looking for one, either. :) Doesn't really matter... > > > jer > > > [1] http://www.freedesktop.org/software/systemd/man/systemd.html > [2] > http://h21007.www2.hp.com/portal/download/files/unprot/STK/Linux_STK/impacts/i60.html > -- > To unsubscribe from this list: send the line "unsubscribe linux-parisc" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > > -- John David Anglin dave.anglin@bell.net