| /* Copyright (C) 1997-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. |
| |
| 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 <errno.h> |
| #include <endian.h> |
| #include <unistd.h> |
| |
| #include <sysdep-cancel.h> |
| #include <sys/syscall.h> |
| |
| ssize_t |
| __libc_pread (fd, buf, count, offset) |
| int fd; |
| void *buf; |
| size_t count; |
| off_t offset; |
| { |
| ssize_t result; |
| |
| if (SINGLE_THREAD_P) |
| { |
| /* In the ARM EABI, 64-bit values are aligned to even/odd register |
| pairs for syscalls. */ |
| result = INLINE_SYSCALL (pread64, 6, fd, buf, count, 0, |
| __LONG_LONG_PAIR (offset >> 31, offset)); |
| |
| return result; |
| } |
| |
| int oldtype = LIBC_CANCEL_ASYNC (); |
| |
| /* In the ARM EABI, 64-bit values are aligned to even/odd register |
| pairs for syscalls. */ |
| result = INLINE_SYSCALL (pread64, 6, fd, buf, count, 0, |
| __LONG_LONG_PAIR (offset >> 31, offset)); |
| |
| LIBC_CANCEL_RESET (oldtype); |
| |
| return result; |
| } |
| |
| strong_alias (__libc_pread, __pread) |
| weak_alias (__libc_pread, pread) |
