about summary refs log tree commit diff
path: root/sysdeps/unix/sysv/linux/oldrecvmsg.c
blob: 01c596e09a6a8837f9b6e04b73b11dc4a3625258 (plain) (blame)
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
31
32
33
34
35
36
37
38
39
40
/* Compatibility version of recvmsg.
   Copyright (C) 2016 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 <sys/socket.h>
#include <sysdep-cancel.h>
#include <socketcall.h>
#include <shlib-compat.h>

/* Both libc.so and libpthread.so provides sendmsg, so we need to
   provide the compat symbol for both libraries.  */
#if SHLIB_COMPAT (MODULE_NAME, GLIBC_2_0, GLIBC_2_24)

/* We can use the same struct layout for old symbol version since
   size is the same.  */
ssize_t
__old_recvmsg (int fd, struct msghdr *msg, int flags)
{
# ifdef __ASSUME_RECVMSG_SYSCALL
  return SYSCALL_CANCEL (recvmsg, fd, msg, flags);
# else
  return SOCKETCALL_CANCEL (recvmsg, fd, msg, flags);
# endif
}
compat_symbol (MODULE_NAME, __old_recvmsg, recvmsg, GLIBC_2_0);
#endif