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40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
/* Revoke the access of all descriptors currently open on a file. Hurd version
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Copyright (C) 1999-2013 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 <unistd.h>
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#include <errno.h>
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#include <hurd.h>
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int
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revoke (file_name)
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const char *file_name;
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{
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error_t err;
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file_t file = __file_name_lookup (file_name, 0, 0);
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if (file == MACH_PORT_NULL)
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return -1;
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err = __io_revoke (file);
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__mach_port_deallocate (__mach_task_self (), file);
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if (err)
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return __hurd_fail (err);
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return 0;
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}
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