aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/mach/hurd/read_nocancel.c
blob: d9f0de051147c662ec906d5f7e488f5ea3f42aa1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
/* Copyright (C) 1993-2021 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
   <https://www.gnu.org/licenses/>.  */

#include <errno.h>
#include <unistd.h>
#include <hurd/fd.h>
#include <not-cancel.h>

/* Read NBYTES into BUF from FD.  Return the number read or -1.  */
ssize_t
__read_nocancel (int fd, void *buf, size_t nbytes)
{
  error_t err = HURD_FD_USE (fd, _hurd_fd_read (descriptor, buf, &nbytes, -1));
  return err ? __hurd_dfail (fd, err) : nbytes;
}
libc_hidden_weak (__read_nocancel)