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2b778ceb40
I used these shell commands: ../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright (cd ../glibc && git commit -am"[this commit message]") and then ignored the output, which consisted lines saying "FOO: warning: copyright statement not found" for each of 6694 files FOO. I then removed trailing white space from benchtests/bench-pthread-locks.c and iconvdata/tst-iconv-big5-hkscs-to-2ucs4.c, to work around this diagnostic from Savannah: remote: *** pre-commit check failed ... remote: *** error: lines with trailing whitespace found remote: error: hook declined to update refs/heads/master
54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
/* Access to hardware i/o ports. Hurd/x86 version.
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Copyright (C) 2002-2021 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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<https://www.gnu.org/licenses/>. */
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#include <sys/io.h>
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#include <hurd.h>
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#include <mach/i386/mach_i386.h>
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int
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ioperm (unsigned long int from, unsigned long int num, int turn_on)
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{
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#if ! HAVE_I386_IO_PERM_MODIFY
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return __hurd_fail (ENOSYS);
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#else
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error_t err;
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device_t devmaster;
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/* With the device master port we get a capability that represents
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this range of io ports. */
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err = __get_privileged_ports (NULL, &devmaster);
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if (! err)
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{
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io_perm_t perm;
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err = __i386_io_perm_create (devmaster, from, from + num - 1, &perm);
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__mach_port_deallocate (__mach_task_self (), devmaster);
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if (! err)
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{
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/* Now we add or remove that set from our task's bitmap. */
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err = __i386_io_perm_modify (__mach_task_self (), perm, turn_on);
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__mach_port_deallocate (__mach_task_self (), perm);
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}
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if (err == MIG_BAD_ID) /* Old kernels don't have these RPCs. */
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err = ENOSYS;
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}
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return err ? __hurd_fail (err) : 0;
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#endif
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}
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