[PATCH] prctl.2: Some additional details regarding PR_GET_UNALIGNED operation
STALE3581d
From: Eugene Syromyatnikov <hidden>
Date: 2016-12-12 03:54:18
Subsystem:
the rest · Maintainer:
Linus Torvalds
--- 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
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