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Diffstat (limited to 'sysdeps/mach/hurd/mlock.c')
-rw-r--r-- | sysdeps/mach/hurd/mlock.c | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/sysdeps/mach/hurd/mlock.c b/sysdeps/mach/hurd/mlock.c deleted file mode 100644 index 3eb415bc9d..0000000000 --- a/sysdeps/mach/hurd/mlock.c +++ /dev/null @@ -1,47 +0,0 @@ -/* mlock -- guarantee pages are resident in memory. Mach/Hurd version. - Copyright (C) 2001-2017 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 Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <sys/types.h> -#include <sys/mman.h> -#include <errno.h> -#include <hurd.h> -#include <mach/mach_host.h> - -/* Guarantee all whole pages mapped by the range [ADDR,ADDR+LEN) to - be memory resident. */ - -int -mlock (const void *addr, size_t len) -{ - mach_port_t host; - vm_address_t page; - error_t err; - - err = __get_privileged_ports (&host, NULL); - if (err) - host = __mach_host_self(); - - page = trunc_page ((vm_address_t) addr); - len = round_page ((vm_address_t) addr + len) - page; - - err = __vm_wire (host, __mach_task_self (), page, len, VM_PROT_READ); - if (host != __mach_host_self()) - __mach_port_deallocate (__mach_task_self (), host); - - return err ? __hurd_fail (err) : 0; -} |