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authormpp <mpp@FreeBSD.org>1997-01-11 23:33:18 +0000
committermpp <mpp@FreeBSD.org>1997-01-11 23:33:18 +0000
commit3ac71edb34a5f4def0dfab0943c008931c9580b9 (patch)
tree54402a8a9bda1bc59fe63d93c8b7945e4ec19a89
parent4a24479701f9c12b24e90f8c53295c247f2461cb (diff)
downloadFreeBSD-src-3ac71edb34a5f4def0dfab0943c008931c9580b9.zip
FreeBSD-src-3ac71edb34a5f4def0dfab0943c008931c9580b9.tar.gz
Minor mdoc fixes in msync.2 and munmap.2.
Add RETURN VALUES and ERRORS sections to mincore. Closes PR# 1493.
-rw-r--r--lib/libc/sys/mincore.225
-rw-r--r--lib/libc/sys/msync.25
-rw-r--r--lib/libc/sys/munmap.27
3 files changed, 31 insertions, 6 deletions
diff --git a/lib/libc/sys/mincore.2 b/lib/libc/sys/mincore.2
index 8debfa6..0ba2729 100644
--- a/lib/libc/sys/mincore.2
+++ b/lib/libc/sys/mincore.2
@@ -30,7 +30,7 @@
.\" SUCH DAMAGE.
.\"
.\" @(#)mincore.2 8.1 (Berkeley) 6/9/93
-.\" $Id$
+.\" $Id: mincore.2,v 1.5 1996/12/23 23:09:39 wosch Exp $
.\"
.Dd June 9, 1993
.Dt MINCORE 2
@@ -41,6 +41,7 @@
.Sh SYNOPSIS
.Fd #include <sys/types.h>
.Fd #include <sys/mman.h>
+.Ft int
.Fn mincore "caddr_t addr" "size_t len" "char *vec"
.Sh DESCRIPTION
The
@@ -53,6 +54,28 @@ in the character array
.Fa vec ,
with a value of 1 meaning
that the page is in-core.
+.Sh RETURN VALUES
+Upson successful completion,
+.Fn mincore
+returns 0 and
+.Fa vec
+is updated to relect the page status. Otherwise a value of -1
+is returned and
+.Va error
+is set to indicate the error.
+.Sh ERRORS
+.Bl -tag -width Er
+.It Bq Er EINVAL
+The virtial address range specified by the
+.Fa addr
+and
+.Fa len
+arguments is not valid.
+.It Bq Er EFAULT
+The
+.Fa vec
+argument points to an illegal address.
+.El
.Sh SEE ALSO
.Xr madvise 2 ,
.Xr mprotect 2 ,
diff --git a/lib/libc/sys/msync.2 b/lib/libc/sys/msync.2
index 388790f..b1c3b3e 100644
--- a/lib/libc/sys/msync.2
+++ b/lib/libc/sys/msync.2
@@ -40,6 +40,7 @@
.Sh SYNOPSIS
.Fd #include <sys/types.h>
.Fd #include <sys/mman.h>
+.Ft int
.Fn msync "caddr_t addr" "size_t len" "int flags"
.Sh DESCRIPTION
The
@@ -84,9 +85,9 @@ is too large or negative.
was both MS_ASYNC and MS_INVALIDATE. Only one of these flags is allowed.
.Sh SEE ALSO
.Xr madvise 2 ,
-.Xr munmap 2 ,
+.Xr mincore 2 ,
.Xr mprotect 2 ,
-.Xr mincore 2
+.Xr munmap 2 ,
.Sh HISTORY
The
.Fn msync
diff --git a/lib/libc/sys/munmap.2 b/lib/libc/sys/munmap.2
index ef6c7f9..c7aba9e 100644
--- a/lib/libc/sys/munmap.2
+++ b/lib/libc/sys/munmap.2
@@ -40,6 +40,7 @@
.Sh SYNOPSIS
.Fd #include <sys/types.h>
.Fd #include <sys/mman.h>
+.Ft int
.Fn munmap "caddr_t addr" "size_t len"
.Sh DESCRIPTION
The
@@ -68,11 +69,11 @@ parameter was negative, or
some part of the region being unmapped is not part of the currently
valid address space.
.Sh "SEE ALSO"
-.Xr msync 2 ,
-.Xr munmap 2 ,
-.Xr mprotect 2 ,
.Xr madvise 2 ,
.Xr mincore 2 ,
+.Xr msync 2 ,
+.Xr mprotect 2 ,
+.Xr munmap 2 ,
.Xr getpagesize 3
.Sh HISTORY
The
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