sysdeps/mach/hurd/read.c

   1 /* Copyright (C) 1993-2023 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
  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)