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authorRoland McGrath <roland@gnu.org>2001-04-19 23:25:40 +0000
committerRoland McGrath <roland@gnu.org>2001-04-19 23:25:40 +0000
commitd81b986bea1bdfbf3a27131df9decbf09882654a (patch)
treecde4bb8e03a78bd69401d89661cf659abe0aa541 /bits/mman.h
parent5017b2c845c235542b3101b9cf648f72b9f6ed3e (diff)
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* sysdeps/mach/hurd/mlock.c: New file.
	* sysdeps/mach/hurd/munlock.c: New file.
	* sysdeps/mach/hurd/bits/posix_opt.h (_POSIX_MEMLOCK_RANGE): Define it.

	* misc/Makefile (routines): Add mlock munlock mlockall munlockall.
	* sysdeps/generic/mlock.c: New file.
	* sysdeps/generic/munlock.c: New file.
	* sysdeps/generic/mlockall.c: New file.
	* sysdeps/generic/munlockall.c: New file.
	* sysdeps/generic/bits/mman.h (MCL_CURRENT, MCL_FUTURE): New macros.
	* sysdeps/unix/sysv/linux/syscalls.list (mlock, munlock,
	mlockall, munlockall): Change caller field to - from EXTRA.
	Don't use __ names; not used (and not declared in include/sys/mman.h).
Diffstat (limited to 'bits/mman.h')
-rw-r--r--bits/mman.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/bits/mman.h b/bits/mman.h
index 57d42546d3..10560ac92b 100644
--- a/bits/mman.h
+++ b/bits/mman.h
@@ -1,5 +1,5 @@
 /* Definitions for BSD-style memory management.
-   Copyright (C) 1994-1998, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1994-1998,2000,01 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -79,3 +79,9 @@
 # define POSIX_MADV_WILLNEED	3 /* Will need these pages.  */
 # define POSIX_MADV_DONTNEED	4 /* Don't need these pages.  */
 #endif
+
+
+/* Flags for `mlockall' (can be OR'd together).  */
+#define MCL_CURRENT	1		/* Lock all currently mapped pages.  */
+#define MCL_FUTURE	2		/* Lock all additions to address
+					   space.  */