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| author | Eugene Syromyatnikov <evgsyr@gmail.com> | 2016-12-12 06:54:18 +0300 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2016-12-12 07:18:46 +0100 |
| commit | 0e2c6b8c1bc53805a87c7581bd9a2cd0455dc7a3 (patch) | |
| tree | 851fc6076768ee1aea9d911fbe8567482240e2d9 | |
| parent | c7f2f9ed165ee4382dd4ba37de3190c8fa8a6c04 (diff) | |
| download | man-pages-0e2c6b8c1bc53805a87c7581bd9a2cd0455dc7a3.tar.gz | |
prctl.2: Some additional details regarding PR_GET_UNALIGNED operation
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
| -rw-r--r-- | man2/prctl.2 | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/man2/prctl.2 b/man2/prctl.2 index 11e51d209e..a87eed49cf 100644 --- a/man2/prctl.2 +++ b/man2/prctl.2 @@ -1109,20 +1109,27 @@ 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 , |