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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 /sysdeps/generic/mlockall.c
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 'sysdeps/generic/mlockall.c')
-rw-r--r--sysdeps/generic/mlockall.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/sysdeps/generic/mlockall.c b/sysdeps/generic/mlockall.c
new file mode 100644
index 0000000..b6f8489
--- /dev/null
+++ b/sysdeps/generic/mlockall.c
@@ -0,0 +1,36 @@
+/* mlockall -- lock in core all the pages in this process. Stub version.
+ Copyright (C) 2001 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
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <sys/types.h>
+#include <sys/mman.h>
+#include <errno.h>
+
+/* Cause all currently mapped pages of the process to be memory resident
+ until unlocked by a call to the `munlockall', until the process exits,
+ or until the process calls `execve'. */
+
+int
+mlockall (int flags)
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+
+stub_warning (mlockall)
+#include <stub-tag.h>