BSD 4_3 release

[unix-history] / usr / man / man2 / swapon.2

diff --git a/usr/man/man2/swapon.2 b/usr/man/man2/swapon.2
index 4945d71..56fdaed 100644 (file)
--- a/usr/man/man2/swapon.2
+++ b/usr/man/man2/swapon.2
@@ -1,4 +1,10 @@
-.TH SWAPON 2 "27 July 1983"
+.\" Copyright (c) 1980 Regents of the University of California.
+.\" All rights reserved.  The Berkeley software License Agreement
+.\" specifies the terms and conditions for redistribution.
+.\"
+.\"    @(#)swapon.2    6.4 (Berkeley) 3/9/86
+.\"
+.TH SWAPON 2 "March 9, 1986"
 .UC 4
 .SH NAME
 swapon \- add a swap device for interleaved paging/swapping
@@ -18,6 +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.
+.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