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

37 lines
1.2 KiB
C

/* Copyright (C) 2004-2020 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
<https://www.gnu.org/licenses/>. */
#include <errno.h>
#include <mqueue.h>
#include <stddef.h>
#include <sysdep.h>
#ifdef __NR_mq_timedreceive
/* Receive the oldest from highest priority messages in message queue
MQDES. */
ssize_t
mq_receive (mqd_t mqdes, char *msg_ptr, size_t msg_len,
unsigned int *msg_prio)
{
return __mq_timedreceive (mqdes, msg_ptr, msg_len, msg_prio, NULL);
}
#else
# include <rt/mq_receive.c>
#endif