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glibc  2.9
mq_receive.c
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00001 /* Copyright (C) 2004, 2005 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003 
00004    The GNU C Library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Lesser General Public
00006    License as published by the Free Software Foundation; either
00007    version 2.1 of the License, or (at your option) any later version.
00008 
00009    The GNU C Library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Lesser General Public License for more details.
00013 
00014    You should have received a copy of the GNU Lesser General Public
00015    License along with the GNU C Library; if not, write to the Free
00016    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00017    02111-1307 USA.  */
00018 
00019 #include <errno.h>
00020 #include <mqueue.h>
00021 #include <stddef.h>
00022 #include <sysdep.h>
00023 
00024 #ifdef __NR_mq_timedreceive
00025 
00026 /* Receive the oldest from highest priority messages in message queue
00027    MQDES.  */
00028 ssize_t
00029 mq_receive (mqd_t mqdes, char *msg_ptr, size_t msg_len,
00030            unsigned int *msg_prio)
00031 {
00032   return mq_timedreceive (mqdes, msg_ptr, msg_len, msg_prio, NULL);
00033 }
00034 
00035 #else
00036 # include <rt/mq_receive.c>
00037 #endif