diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/preadv64v2.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/preadv64v2.c | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/sysdeps/unix/sysv/linux/preadv64v2.c b/sysdeps/unix/sysv/linux/preadv64v2.c deleted file mode 100644 index 9d7f8c9893..0000000000 --- a/sysdeps/unix/sysv/linux/preadv64v2.c +++ /dev/null @@ -1,55 +0,0 @@ -/* Linux implementation of preadv2 (LFS version). - Copyright (C) 2017 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-cancel.h> - -#if !defined(__NR_preadv64v2) && defined(__NR_preadv2) -# define __NR_preadv64v2 __NR_preadv2 -#endif - -ssize_t -preadv64v2 (int fd, const struct iovec *vector, int count, off64_t offset, - int flags) -{ -#ifdef __NR_preadv64v2 - ssize_t result = SYSCALL_CANCEL (preadv64v2, fd, vector, count, - LO_HI_LONG (offset), flags); - if (result >= 0 || errno != ENOSYS) - return result; -#endif - /* Trying to emulate the preadv2 syscall flags is troublesome: - - * We can not temporary change the file state of the O_DSYNC and O_SYNC - flags to emulate RWF_{D}SYNC (attempts to change the state of using - fcntl are silently ignored). - - * IOCB_HIPRI requires the file opened in O_DIRECT and uses an internal - semantic not provided by any other flag (O_NONBLOCK for instance). */ - - if (flags != 0) - { - __set_errno (EOPNOTSUPP); - return -1; - } - return preadv64 (fd, vector, count, offset); -} - -#ifdef __OFF_T_MATCHES_OFF64_T -strong_alias (preadv64v2, preadv2) -#endif |