sysdeps/unix/sysv/linux/libc_fatal.c

   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 #include <stdbool.h>
  22 #include <sysdep.h>
  23
  24 static bool
  25 writev_for_fatal (int fd, const struct iovec *iov, size_t niov, size_t total)
  26 {
  27   ssize_t cnt;
  28   do
  29     cnt = INTERNAL_SYSCALL_CALL (writev, fd, iov, niov);
  30   while (INTERNAL_SYSCALL_ERROR_P (cnt)
  31          && INTERNAL_SYSCALL_ERRNO (cnt) == EINTR);
  32   return cnt == total;
  33 }
  34 #define WRITEV_FOR_FATAL        writev_for_fatal
  35
  36 #include <sysdeps/posix/libc_fatal.c>