| /* Linux read syscall implementation. |
| Copyright (C) 2017-2018 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 |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <unistd.h> |
| #include <sysdep-cancel.h> |
| #include <not-cancel.h> |
| |
| /* Read NBYTES into BUF from FD. Return the number read or -1. */ |
| ssize_t |
| __libc_read (int fd, void *buf, size_t nbytes) |
| { |
| return SYSCALL_CANCEL (read, fd, buf, nbytes); |
| } |
| libc_hidden_def (__libc_read) |
| |
| libc_hidden_def (__read) |
| weak_alias (__libc_read, __read) |
| libc_hidden_def (read) |
| weak_alias (__libc_read, read) |
| |
| #if !IS_IN (rtld) |
| ssize_t |
| __read_nocancel (int fd, void *buf, size_t nbytes) |
| { |
| return INLINE_SYSCALL_CALL (read, fd, buf, nbytes); |
| } |
| #else |
| strong_alias (__libc_read, __read_nocancel) |
| #endif |
| libc_hidden_def (__read_nocancel) |
