| /* Copyright (C) 2007-2014 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 <errno.h> |
| #include <fcntl.h> |
| #include <sysdep-cancel.h> |
| |
| |
| /* Reserve storage for the data of the file associated with FD. */ |
| int |
| fallocate (int fd, int mode, __off_t offset, __off_t len) |
| { |
| #ifdef __NR_fallocate |
| if (SINGLE_THREAD_P) |
| return INLINE_SYSCALL (fallocate, 6, fd, mode, |
| __LONG_LONG_PAIR (offset >> 31, offset), |
| __LONG_LONG_PAIR (len >> 31, len)); |
| |
| int result; |
| int oldtype = LIBC_CANCEL_ASYNC (); |
| |
| result = INLINE_SYSCALL (fallocate, 6, fd, mode, |
| __LONG_LONG_PAIR (offset >> 31, offset), |
| __LONG_LONG_PAIR (len >> 31, len)); |
| |
| LIBC_CANCEL_RESET (oldtype); |
| |
| return result; |
| #else |
| __set_errno (ENOSYS); |
| return -1; |
| #endif |
| } |
