1 /* munlockall -- undo the effects of all prior mlock calls. Hurd version. 2 Copyright (C) 2001-2022 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <https://www.gnu.org/licenses/>. */ 18 19 #include <sys/types.h> 20 #include <sys/mman.h> 21 #include <errno.h> 22 #include <hurd.h> 23 #include <mach/mach_host.h> 24 25 /* Undo the effects of all prior mlock calls in this process. */ 26 27 int munlockall(void)28munlockall (void) 29 { 30 mach_port_t host; 31 error_t err; 32 33 err = __get_privileged_ports (&host, NULL); 34 if (err) 35 return __hurd_fail (err); 36 37 err = __vm_wire_all (host, __mach_task_self (), VM_WIRE_NONE); 38 __mach_port_deallocate (__mach_task_self (), host); 39 return err ? __hurd_fail (err) : 0; 40 } 41