glibc/sysdeps/unix/sysv/linux/recvfrom.c

41 lines
1.4 KiB
C

/* Copyright (C) 2015-2016 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 <errno.h>
#include <signal.h>
#include <sys/socket.h>
#include <sysdep-cancel.h>
#include <socketcall.h>
#include <kernel-features.h>
#include <sys/syscall.h>
ssize_t
__libc_recvfrom (int fd, void *buf, size_t len, int flags,
__SOCKADDR_ARG addr, socklen_t *addrlen)
{
#ifdef __ASSUME_RECVFROM_SYSCALL
return SYSCALL_CANCEL (recvfrom, fd, buf, len, flags, addr.__sockaddr__,
addrlen);
#else
return SOCKETCALL_CANCEL (recvfrom, fd, buf, len, flags, addr.__sockaddr__,
addrlen);
#endif
}
weak_alias (__libc_recvfrom, recvfrom)
weak_alias (__libc_recvfrom, __recvfrom)