1 /* Copyright (C) 1993-2022 Free Software Foundation, Inc.
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
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18 #include <sysdep-cancel.h>
19 #include <not-cancel.h>
20
21 /* Read NBYTES into BUF from FD. Return the number read or -1. */
22 ssize_t
__libc_read(int fd,void * buf,size_t nbytes)23 __libc_read (int fd, void *buf, size_t nbytes)
24 {
25 ssize_t ret;
26 int cancel_oldtype = LIBC_CANCEL_ASYNC();
27 ret = __read_nocancel (fd, buf, nbytes);
28 LIBC_CANCEL_RESET (cancel_oldtype);
29 return ret;
30 }
31 libc_hidden_def (__libc_read)
32 weak_alias (__libc_read, __read)
33 libc_hidden_weak (__read)
34 weak_alias (__libc_read, read)
35 libc_hidden_weak (read)
36