1/* Catastrophic failure reports. Linux version.
2 Copyright (C) 1993-2020 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <errno.h>
20#include <sys/uio.h>
21
22static bool
23writev_for_fatal (int fd, const struct iovec *iov, size_t niov, size_t total)
24{
25 INTERNAL_SYSCALL_DECL (err);
26 ssize_t cnt;
27 do
28 cnt = INTERNAL_SYSCALL (writev, err, 3, fd, iov, niov);
29 while (INTERNAL_SYSCALL_ERROR_P (cnt, err)
30 && INTERNAL_SYSCALL_ERRNO (cnt, err) == EINTR);
31 return cnt == total;
32}
33#define WRITEV_FOR_FATAL writev_for_fatal
34
35#include <sysdeps/posix/libc_fatal.c>
36