1/* Copyright (C) 2015-2022 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 <sys/socket.h>
19#include <sysdep-cancel.h>
20#include <socketcall.h>
21
22ssize_t
23__libc_recv (int fd, void *buf, size_t len, int flags)
24{
25#ifdef __ASSUME_RECV_SYSCALL
26 return SYSCALL_CANCEL (recv, fd, buf, len, flags);
27#elif defined __ASSUME_RECVFROM_SYSCALL
28 return SYSCALL_CANCEL (recvfrom, fd, buf, len, flags, NULL, NULL);
29#else
30 return SOCKETCALL_CANCEL (recv, fd, buf, len, flags);
31#endif
32}
33weak_alias (__libc_recv, recv)
34weak_alias (__libc_recv, __recv)
35libc_hidden_weak (__recv)
36

source code of glibc/sysdeps/unix/sysv/linux/recv.c