| 1 | /* mlockall -- lock in core all the pages in this process. Hurd version. |
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| 2 | Copyright (C) 2001-2022 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. |
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| 4 | |
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| 5 | The GNU C Library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Lesser General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2.1 of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Lesser General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Lesser General Public |
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| 16 | License along with the GNU C Library; if not, see |
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| 17 | <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | #include <sys/types.h> |
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| 20 | #include <sys/mman.h> |
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| 21 | #include <errno.h> |
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| 22 | #include <hurd.h> |
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| 23 | #include <mach/mach_host.h> |
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| 24 | |
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| 25 | /* Cause all currently mapped pages of the process to be memory resident |
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| 26 | until unlocked by a call to the `munlockall', until the process exits, |
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| 27 | or until the process calls `execve'. */ |
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| 28 | |
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| 29 | int |
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| 30 | mlockall (int flags) |
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| 31 | { |
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| 32 | mach_port_t host; |
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| 33 | error_t err; |
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| 34 | |
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| 35 | err = __get_privileged_ports (&host, NULL); |
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| 36 | if (err) |
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| 37 | return __hurd_fail (err); |
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| 38 | |
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| 39 | err = __vm_wire_all (host, __mach_task_self (), flags); |
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| 40 | __mach_port_deallocate (__mach_task_self (), host); |
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| 41 | return err ? __hurd_fail (err) : 0; |
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| 42 | } |
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| 43 | |
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