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d4697bc9 | 1 | /* Copyright (C) 2007-2014 Free Software Foundation, Inc. |
749f5cc9 UD |
2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU Lesser General Public | |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
8 | ||
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
749f5cc9 | 17 | |
99eb932f | 18 | #include <errno.h> |
749f5cc9 | 19 | #include <fcntl.h> |
748876bf | 20 | #include <sysdep-cancel.h> |
749f5cc9 UD |
21 | |
22 | ||
23 | /* Reserve storage for the data of the file associated with FD. */ | |
24 | int | |
25 | fallocate (int fd, int mode, __off_t offset, __off_t len) | |
26 | { | |
e775ec11 | 27 | #ifdef __NR_fallocate |
748876bf UD |
28 | if (SINGLE_THREAD_P) |
29 | return INLINE_SYSCALL (fallocate, 4, fd, mode, offset, len); | |
30 | ||
31 | int result; | |
32 | int oldtype = LIBC_CANCEL_ASYNC (); | |
33 | ||
34 | result = INLINE_SYSCALL (fallocate, 4, fd, mode, offset, len); | |
35 | ||
36 | LIBC_CANCEL_RESET (oldtype); | |
37 | ||
38 | return result; | |
e775ec11 UD |
39 | #else |
40 | __set_errno (ENOSYS); | |
41 | return -1; | |
42 | #endif | |
749f5cc9 | 43 | } |
99eb932f | 44 | strong_alias (fallocate, fallocate64) |