Try to fix SIGIO problem with Sun machines, h_errno with

[unix-history] / usr / src / lib / libc / sys / swapon.2

diff --git a/usr/src/lib/libc/sys/swapon.2 b/usr/src/lib/libc/sys/swapon.2
index d3da5da..699ac24 100644 (file)
--- a/usr/src/lib/libc/sys/swapon.2
+++ b/usr/src/lib/libc/sys/swapon.2
@@ -2,7 +2,7 @@
 .\" All rights reserved.  The Berkeley software License Agreement
 .\" specifies the terms and conditions for redistribution.
 .\"
 .\" All rights reserved.  The Berkeley software License Agreement
 .\" specifies the terms and conditions for redistribution.
 .\"

-.\"    @(#)swapon.2    6.1 (Berkeley) %G%
+.\"    @(#)swapon.2    6.4 (Berkeley) %G%

 .\"
 .TH SWAPON 2 ""
 .UC 4
 .\"
 .TH SWAPON 2 ""
 .UC 4


@@ -24,6 +24,60 @@ configuration time.  The size of the swap area on
 .I special 
 is calculated at the time the device is first made available
 for swapping.
 .I special 
 is calculated at the time the device is first made available
 for swapping.

+.SH "RETURN VALUE
+If an error has occurred, a value of \-1 is returned and
+.I errno
+is set to indicate the error.
+.SH ERRORS
+.I Swapon
+succeeds unless:
+.TP 15
+[ENOTDIR]
+A component of the path prefix is not a directory.
+.TP 15
+[EINVAL]
+The pathname contains a character with the high-order bit set.
+.TP 15
+[ENAMETOOLONG]
+A component of a pathname exceeded 255 characters,
+or an entire path name exceeded 1023 characters.
+.TP 15
+[ENOENT]
+The named device does not exist.
+.TP 15
+[EACCES]
+Search permission is denied for a component of the path prefix.
+.TP 15
+[ELOOP]
+Too many symbolic links were encountered in translating the pathname.
+.TP 15
+[EPERM]
+The caller is not the super-user.
+.TP 15
+[ENOTBLK]
+.I Special
+is not a block device.
+.TP 15
+[EBUSY]
+The device specified by \fIspecial\fP has already
+been made available for swapping
+.TP 15
+[EINVAL]
+The device configured by \fIspecial\fP was not
+configured into the system as a swap device.
+.TP 15
+[ENXIO]
+The major device number of 
+.I special
+is out of range (this indicates no device driver exists
+for the associated hardware).
+.TP 15
+[EIO]
+An I/O error occurred while opening the swap device.
+.TP 15
+[EFAULT]
+.I Special
+points outside the process's allocated address space.

 .SH "SEE ALSO"
 swapon(8), config(8)
 .SH BUGS
 .SH "SEE ALSO"
 swapon(8), config(8)
 .SH BUGS