glibc/sysdeps/unix/sysv/linux/generic/recv.c

46 lines
1.4 KiB
C

/* Copyright (C) 2011-2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
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 <stdlib.h>
#include <sys/types.h>
#include <sysdep-cancel.h>
#include <libc-symbols.h>
ssize_t
__libc_recv (int sockfd, void *buffer, size_t len, int flags)
{
ssize_t result;
if (SINGLE_THREAD_P)
result = INLINE_SYSCALL (recvfrom, 6, sockfd, buffer, len, flags,
NULL, NULL);
else
{
int oldtype = LIBC_CANCEL_ASYNC ();
result = INLINE_SYSCALL (recvfrom, 6, sockfd, buffer, len, flags,
NULL, NULL);
LIBC_CANCEL_RESET (oldtype);
}
return result;
}
strong_alias (__libc_recv, __recv)
weak_alias (__libc_recv, recv)