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d4697bc9 | 1 | /* Copyright (C) 1997-2014 Free Software Foundation, Inc. |
aff4519d UD |
2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. | |
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 | |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
aff4519d UD |
18 | |
19 | #include <assert.h> | |
20 | #include <errno.h> | |
21 | #include <unistd.h> | |
22 | ||
23 | #include <sysdep-cancel.h> | |
24 | #include <sys/syscall.h> | |
aff4519d | 25 | |
6ddd37a4 | 26 | #include <kernel-features.h> |
aff4519d | 27 | |
aff4519d | 28 | |
c2670533 JM |
29 | /* Consider moving to syscalls.list. */ |
30 | ||
aff4519d UD |
31 | ssize_t |
32 | __libc_pread (fd, buf, count, offset) | |
33 | int fd; | |
34 | void *buf; | |
35 | size_t count; | |
36 | off_t offset; | |
37 | { | |
38 | ssize_t result; | |
39 | ||
40 | if (SINGLE_THREAD_P) | |
41 | { | |
a2da1673 | 42 | result = INLINE_SYSCALL (pread, 4, fd, buf, count, offset); |
aff4519d UD |
43 | |
44 | return result; | |
45 | } | |
6ddd37a4 | 46 | |
aff4519d UD |
47 | int oldtype = LIBC_CANCEL_ASYNC (); |
48 | ||
a2da1673 | 49 | result = INLINE_SYSCALL (pread, 4, fd, buf, count, offset); |
aff4519d UD |
50 | |
51 | LIBC_CANCEL_RESET (oldtype); | |
52 | ||
53 | return result; | |
54 | } | |
55 | ||
56 | strong_alias (__libc_pread, __pread) | |
57 | weak_alias (__libc_pread, pread) |