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35 lines
1.3 KiB
C
35 lines
1.3 KiB
C
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/* System-specific extensions of <unistd.h>, Hurd version.
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Copyright (C) 2019-2021 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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#ifndef _UNISTD_H
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# error "Never include <bits/unistd_ext.h> directly; use <unistd.h> instead."
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#endif
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#ifdef __USE_GNU
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/* Set the FD_CLOEXEC bit instead of closing the file descriptor. */
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#define CLOSE_RANGE_CLOEXEC (1U << 2)
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/* Close the file descriptors from FIRST up to LAST, inclusive.
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If CLOSE_RANGE_CLOEXEC is set in FLAGS, set the FD_CLOEXEC flag
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instead of closing. */
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extern int close_range (unsigned int __first, unsigned int __last,
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int __flags) __THROW;
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#endif /* __USE_GNU */
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