Date: Mon, 11 Mar 2002 16:07:53 +0100 From: Thomas Moestl <tmoestl@gmx.net> To: Gregory Neil Shapiro <gshapiro@freebsd.org> Cc: freebsd-sparc@freebsd.org Subject: Re: userland porting for sendmail Message-ID: <20020311150753.GA273@crow.dom2ip.de> In-Reply-To: <15500.20048.979487.781861@horsey.gshapiro.net> References: <15499.58324.267110.225254@horsey.gshapiro.net> <20020311015512.GE282@crow.dom2ip.de> <15500.20048.979487.781861@horsey.gshapiro.net>
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On Sun, 2002/03/10 at 22:27:28 -0800, Gregory Neil Shapiro wrote: > >> It turned up one compile time warning > >> (fixed for sendmail 8.12.3) and one problem. The shared memory libsm test > >> core dumps (signal 12). I believe I recall seeing shared memory hadn't > >> been implemented yet to this is of no big surprise. > > tmoestl> It is not enabled in the sparc64 GENERIC, so I guess Mike's kernel was > tmoestl> built without it. > > Yes, but even without kernel support, should a userland application die? I > would have figured shmget() or the like would return -1. I've actually > never tried doing this on an x86 FreeBSD box without SYSVSHM enabled. If no real entry for a syscall is present in the syscall table (just a placeholder like nosys or lkmressys, or in the case of a syscall number exceeding the table size), SIGSYS is delivered, as in this case; some other options work by #ifdef'ing the implementation away and returning ENOSYS. - thomas -- Thomas Moestl <tmoestl@gmx.net> http://www.tu-bs.de/~y0015675/ <tmm@FreeBSD.org> http://people.FreeBSD.org/~tmm/ PGP fingerprint: 1C97 A604 2BD0 E492 51D0 9C0F 1FE6 4F1D 419C 776C To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-sparc" in the body of the message
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