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- /* ABI compatibility for 'fcntl' symbol in libpthread ABI.
- Copyright (C) 2018-2019 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
- #include <fcntl.h>
- #include <stdarg.h>
- #include <shlib-compat.h>
- /* libpthread once had its own fcntl, though there was no apparent reason
- for it. There is no use in having a separate symbol in libpthread, but
- the historical ABI requires it. For static linking, there is no need to
- provide anything here--the libc version will be linked in. For shared
- library ABI compatibility, there must be __fcntl and fcntl symbols in
- libpthread.so. */
- #if SHLIB_COMPAT (libpthread, GLIBC_2_0, GLIBC_2_28)
- static int
- fcntl_compat (int fd, int cmd, ...)
- {
- void *arg;
- va_list ap;
- va_start (ap, cmd);
- arg = va_arg (ap, void *);
- va_end (ap);
- return __libc_fcntl64 (fd, cmd, arg);
- }
- weak_alias (fcntl_compat, fcntl_alias)
- compat_symbol (libpthread, fcntl_alias, fcntl, GLIBC_2_0);
- weak_alias (fcntl_compat, __fcntl_alias)
- compat_symbol (libpthread, __fcntl_alias, __fcntl, GLIBC_2_0);
- #endif
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