From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eugene Syromyatnikov Subject: [PATCH] prctl.2: Some additional details regarding PR_GET_UNALIGNED operation Date: Mon, 12 Dec 2016 06:54:18 +0300 Message-ID: <20161212035418.GA28773@obsidian> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline Sender: linux-man-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org Cc: linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-man@vger.kernel.org --- man2/prctl.2 | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/man2/prctl.2 b/man2/prctl.2 index 44ec657..5f84bb7 100644 --- a/man2/prctl.2 +++ b/man2/prctl.2 @@ -1103,20 +1103,27 @@ in the location pointed to by .TP .B PR_SET_UNALIGN (Only on: ia64, since Linux 2.3.48; parisc, since Linux 2.6.15; -PowerPC, since Linux 2.6.18; Alpha, since Linux 2.6.22) +PowerPC, since Linux 2.6.18; Alpha, since Linux 2.6.22; +.\" sh: 94ea5e449ae834af058ef005d16a8ad44fcf13d6 +.\" tile: 2f9ac29eec71a696cb0dcc5fb82c0f8d4dac28c9 +sh, since Linux 2.6.34; tile, since Linux 3.12) Set unaligned access control bits to \fIarg2\fP. Pass \fBPR_UNALIGN_NOPRINT\fP to silently fix up unaligned user accesses, or \fBPR_UNALIGN_SIGBUS\fP to generate .B SIGBUS -on unaligned user access. +on unaligned user access. Alpha also supports an additional flag with the value +of 4 and no corresponding named constant, which instructs kernel to not fix up +unaligned accesses (it is analogous to providing the +.BR UAC_NOFIX " flag in " SSI_NVPAIRS " operation of " setsysinfo +syscall on Tru64). .TP .B PR_GET_UNALIGN (see .B PR_SET_UNALIGN for information on versions and architectures) Return unaligned access control bits, in the location pointed to by -.IR "(int\ *) arg2" . +.IR "(unsigned int\ *) arg2" . .SH RETURN VALUE On success, .BR PR_GET_DUMPABLE , -- 2.10.2 -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html