glibc/sysdeps/unix/sysv/linux/libc_fatal.c

36 lines
1.3 KiB
C

/* Catastrophic failure reports. Linux version.
Copyright (C) 1993-2020 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
<https://www.gnu.org/licenses/>. */
#include <errno.h>
#include <sys/uio.h>
static bool
writev_for_fatal (int fd, const struct iovec *iov, size_t niov, size_t total)
{
INTERNAL_SYSCALL_DECL (err);
ssize_t cnt;
do
cnt = INTERNAL_SYSCALL (writev, err, 3, fd, iov, niov);
while (INTERNAL_SYSCALL_ERROR_P (cnt, err)
&& INTERNAL_SYSCALL_ERRNO (cnt, err) == EINTR);
return cnt == total;
}
#define WRITEV_FOR_FATAL writev_for_fatal
#include <sysdeps/posix/libc_fatal.c>