diff options
-rw-r--r-- | usr.bin/uac/uac.1 | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/usr.bin/uac/uac.1 b/usr.bin/uac/uac.1 index 21f7bad..2d21529 100644 --- a/usr.bin/uac/uac.1 +++ b/usr.bin/uac/uac.1 @@ -35,15 +35,17 @@ .Op Fl fprs .Sh DESCRIPTION .Nm -sets the per-process handling of "Unaligned Access" events. Unlike many -other CPU's the DEC Alpha processor cannot access unaligned data. To work -around this, the Alpha has the ability to fix the UA fault rather than send -the faulting process a +sets the per-process handling of +.Dq Unaligned Access +events. +Unlike many other CPU's the DEC Alpha processor cannot access unaligned data. +To work around this, the Alpha has the ability to fix the UA fault +rather than send the faulting process a .Dv SIGBUS signal. However, doing so does slow down the execution of the faulting process. -At boot up, the DEC Alpha CPU defaults to printing +At bootup, the DEC Alpha CPU defaults to printing .Bl -tag -width indent .It pid Ar nnn Pq Ar <progname> Ns Xo .No : unaligned access: Xo @@ -56,10 +58,10 @@ At boot up, the DEC Alpha CPU defaults to printing .Xc .Xc .El -when a UA happens along with fixing it so -the faulting instruction can continue. +when a UA happens along with fixing it, +so the faulting instruction can continue. UA handling settings are inherited by child process. -Issued with out any options, +Issued without any options, .Nm displays the current UA handling for the parent process. .Pp @@ -75,9 +77,8 @@ Resets the unaligned access error settings back to their bootup defaults. .It Fl s Unaligned access errors result in a .Dv SIGBUS -being delivered to the parent and -its future descendants. This aid in pin pointing the faulting access so it -debugged. +being delivered to the parent and its future descendants. +This aid in pin pointing the faulting access so it can be debugged. .El .Sh DIAGNOSTICS Exit status is 0 on success, and 1 if the command |