Module Name: src
Committed By: uwe
Date: Wed Jun 19 20:20:52 UTC 2019
Modified Files:
src/lib/libc/sys: mmap.2
Log Message:
Small markup fixes.
To generate a diff of this commit:
cvs rdiff -u -r1.52 -r1.53 src/lib/libc/sys/mmap.2
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/lib/libc/sys/mmap.2
diff -u src/lib/libc/sys/mmap.2:1.52 src/lib/libc/sys/mmap.2:1.53
--- src/lib/libc/sys/mmap.2:1.52 Wed May 2 16:00:20 2018
+++ src/lib/libc/sys/mmap.2 Wed Jun 19 20:20:52 2019
@@ -1,4 +1,4 @@
-.\" $NetBSD: mmap.2,v 1.52 2018/05/02 16:00:20 christos Exp $
+.\" $NetBSD: mmap.2,v 1.53 2019/06/19 20:20:52 uwe Exp $
.\"
.\" Copyright (c) 1991, 1993
.\" The Regents of the University of California. All rights reserved.
@@ -68,7 +68,7 @@ If
is zero, an address will be selected by the system.
The actual starting address of the region is returned.
A successful
-.Fa mmap
+.Nm
deletes any previous mapping in the allocated address range.
.Pp
The protections (region accessibility) are specified in the
@@ -184,7 +184,9 @@ specified.
If the specified address cannot be used,
.Nm mmap
will fail.
-If MAP_FIXED is specified,
+If
+.Dv MAP_FIXED
+is specified,
.Fa addr
must be a multiple of the pagesize.
Use of this option is discouraged.
@@ -225,7 +227,7 @@ had not been specified.
If
.Fa addr
is
-.Fa NULL ,
+.Dv NULL ,
this flag is ignored and the system will select a mapping address.
.It Dv MAP_WIRED
Lock the mapped region into memory as with
@@ -270,7 +272,7 @@ is set to indicate the error.
The symbol
.Dv MAP_FAILED
is defined in the header
-.Ao Pa sys/mman.h Ac .
+.In sys/mman.h .
No successful return from
.Fn mmap
will return the value
@@ -300,7 +302,7 @@ parameters and
.Fa fd
was not open for writing.
.Pp
-PAX mprotect restrictions prohibit the requested protection.
+PaX mprotect restrictions prohibit the requested protection.
.It Bq Er EBADF
.Fa fd
is not a valid open file descriptor.
@@ -318,7 +320,8 @@ was specified and the
parameter was not page aligned or was outside of the
valid address range for a process.
.Pp
-.Dv MAP_ANON was specified and
+.Dv MAP_ANON
+was specified and
.Fa fd
was not \-1.
.It Bq Er ENODEV
