svn commit: r208950 - stable/8/share/man/man4
attilio at FreeBSD.org
Wed Jun 9 14:54:06 UTC 2010
Date: Wed Jun 9 14:54:05 2010
New Revision: 208950
Improve wording and fix style.
Sponsored by: Sandvine Incorporated
Approved by: re (bz)
stable/8/share/man/man4/ (props changed)
--- stable/8/share/man/man4/io.4 Wed Jun 9 14:31:11 2010 (r208949)
+++ stable/8/share/man/man4/io.4 Wed Jun 9 14:54:05 2010 (r208950)
@@ -72,22 +72,25 @@ all of them.
is used by all the architectures in order to request that an I/O operation
-be performed. It takes a 'struct iodev_pio_req' argument
-that must be previously setup.
+It takes a 'struct iodev_pio_req' argument that must be previously setup.
-member specifies the type of operation requested. It may be:
+member specifies the type of operation requested.
+It may be:
.Bl -tag -width IODEV_PIO_WRITE
.It Dv IODEV_PIO_READ
-The operation is an "in" type. A value will be read from the specified port
+The operation is an "in" type.
+A value will be read from the specified port
(retrieved from the
member) and the result will be stored in the
.It Dv IODEV_PIO_WRITE
-The operation is a "out" type. The value will be fetched from the
+The operation is a "out" type.
+The value will be fetched from the
member and will be written out to the specified port (defined as the
@@ -105,13 +108,14 @@ the kernel enforces that only the super-
-interface used to be very i386 specific and worked differently. The initial
-implementation, in fact, simply raised the
+interface used to be very i386 specific and worked differently.
+The initial implementation simply raised the
of the current thread when
.Xr open 2
-was called on the file. This behaviour is retained in the current
-implementation as legacy support for both i386 and amd64 architectures.
+was called on the device.
+This behaviour is retained in the current implementation as legacy
+support for both i386 and amd64 architectures.
.Sh SEE ALSO
.Xr close 2 ,
.Xr i386_get_ioperm 2 ,
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