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)