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[src/trunk]: src/lib/libc/sys Small markup fixes.
details: https://anonhg.NetBSD.org/src/rev/dfb9c84cb591
branches: trunk
changeset: 457323:dfb9c84cb591
user: uwe <uwe%NetBSD.org@localhost>
date: Wed Jun 19 20:20:52 2019 +0000
description:
Small markup fixes.
diffstat:
lib/libc/sys/mmap.2 | 17 ++++++++++-------
lib/libc/sys/mprotect.2 | 10 +++++-----
2 files changed, 15 insertions(+), 12 deletions(-)
diffs (110 lines):
diff -r a9fc6eacccc1 -r dfb9c84cb591 lib/libc/sys/mmap.2
--- a/lib/libc/sys/mmap.2 Wed Jun 19 17:32:31 2019 +0000
+++ b/lib/libc/sys/mmap.2 Wed Jun 19 20:20:52 2019 +0000
@@ -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 @@
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 @@
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 @@
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 @@
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 @@
.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 @@
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
diff -r a9fc6eacccc1 -r dfb9c84cb591 lib/libc/sys/mprotect.2
--- a/lib/libc/sys/mprotect.2 Wed Jun 19 17:32:31 2019 +0000
+++ b/lib/libc/sys/mprotect.2 Wed Jun 19 20:20:52 2019 +0000
@@ -1,4 +1,4 @@
-.\" $NetBSD: mprotect.2,v 1.26 2017/05/14 12:30:37 wiz Exp $
+.\" $NetBSD: mprotect.2,v 1.27 2019/06/19 20:28:36 uwe Exp $
.\"
.\" Copyright (c) 1991, 1993
.\" The Regents of the University of California. All rights reserved.
@@ -43,7 +43,7 @@
.Fn mprotect "void *addr" "size_t len" "int prot"
.Sh DESCRIPTION
The
-.Fn mprotect
+.Nm
system call
changes the specified pages to have protection
.Fa prot .
@@ -56,7 +56,7 @@
.Tn OR Ns 'ing
the following values:
.Pp
-.Bl -tag -width MAP_FIXEDX -offset indent
+.Bl -tag -width "Dv MAP_WRITE" -offset indent
.It Dv PROT_EXEC
Pages may be executed.
.It Dv PROT_READ
@@ -87,7 +87,7 @@
set with
.Xr mmap 2 .
.Pp
-PAX mprotect restrictions prohibit the requested protection.
+PaX mprotect restrictions prohibit the requested protection.
.It Bq Er EINVAL
An invalid memory range, or invalid parameters were provided.
.It Bq Er ENOMEM
@@ -101,6 +101,6 @@
.Xr munmap 2
.Sh HISTORY
The
-.Fn mprotect
+.Nm
function first appeared in
.Bx 4.4 .
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