sysdeps/unix/sysv/linux/mq_receive.c

   1 /* Copyright (C) 2004, 2005 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, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #include <errno.h>
  20 #include <mqueue.h>
  21 #include <stddef.h>
  22 #include <sysdep.h>
  23
  24 #ifdef __NR_mq_timedreceive
  25
  26 /* Receive the oldest from highest priority messages in message queue
  27    MQDES.  */
  28 ssize_t
  29 mq_receive (mqd_t mqdes, char *msg_ptr, size_t msg_len,
  30             unsigned int *msg_prio)
  31 {
  32   return mq_timedreceive (mqdes, msg_ptr, msg_len, msg_prio, NULL);
  33 }
  34
  35 #else
  36 # include <rt/mq_receive.c>
  37 #endif