/* 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/>. */ #ifndef _MQUEUE_H # error "Never use <bits/mqueue.h> directly; include <mqueue.h> instead." #endif #include <bits/types.h> typedef int mqd_t; struct mq_attr { __syscall_slong_t mq_flags; /* Message queue flags. */ __syscall_slong_t mq_maxmsg; /* Maximum number of messages. */ __syscall_slong_t mq_msgsize; /* Maximum message size. */ __syscall_slong_t mq_curmsgs; /* Number of messages currently queued. */ __syscall_slong_t __pad[4]; };