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- /* Message-writing for the dynamic linker. Linux version.
- Copyright (C) 2013-2019 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 <sys/uio.h>
- #include <sysdep.h>
- /* This is used from only one place: dl-misc.c:_dl_debug_vdprintf.
- Hence it's in a header with the expectation it will be inlined.
- This is writev, but with a constraint added and others loosened:
- 1. Under RTLD_PRIVATE_ERRNO, it must not clobber the private errno
- when another thread holds the dl_load_lock.
- 2. It is not obliged to detect and report errors at all.
- 3. It's not really obliged to deliver a single atomic write
- (though it may be preferable). */
- static inline void
- _dl_writev (int fd, const struct iovec *iov, size_t niov)
- {
- INTERNAL_SYSCALL_DECL (err);
- INTERNAL_SYSCALL (writev, err, 3, fd, iov, niov);
- }
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