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41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
/* munlockall -- undo the effects of all prior mlock calls. Hurd version.
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Copyright (C) 2001-2018 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <sys/types.h>
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#include <sys/mman.h>
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#include <errno.h>
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#include <hurd.h>
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#include <mach/mach_host.h>
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/* Undo the effects of all prior mlock calls in this process. */
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int
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munlockall (void)
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{
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mach_port_t host;
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error_t err;
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err = __get_privileged_ports (&host, NULL);
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if (err)
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return __hurd_fail (err);
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err = __vm_wire_all (host, __mach_task_self (), VM_WIRE_NONE);
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__mach_port_deallocate (__mach_task_self (), host);
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return err ? __hurd_fail (err) : 0;
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}
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