sysdeps/unix/sysv/linux/mq_receive.c

   1 /* Copyright (C) 2004-2024 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, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 #include <errno.h>
  19 #include <mqueue.h>
  20 #include <shlib-compat.h>
  21 #include <stddef.h>
  22 #include <sysdep.h>
  23
  24 /* Receive the oldest from highest priority messages in message queue
  25    MQDES.  */
  26 ssize_t
  27 __mq_receive (mqd_t mqdes, char *msg_ptr, size_t msg_len,
  28               unsigned int *msg_prio)
  29 {
  30   return __mq_timedreceive (mqdes, msg_ptr, msg_len, msg_prio, NULL);
  31 }
  32 versioned_symbol (libc, __mq_receive, mq_receive, GLIBC_2_34);
  33 #if OTHER_SHLIB_COMPAT (librt, GLIBC_2_3_4, GLIBC_2_34)
  34 compat_symbol (librt, __mq_receive, mq_receive, GLIBC_2_3_4);
  35 #endif