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Diffstat (limited to 'usr/src/lib/librt/common/mqlib.h')
| -rw-r--r-- | usr/src/lib/librt/common/mqlib.h | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/usr/src/lib/librt/common/mqlib.h b/usr/src/lib/librt/common/mqlib.h deleted file mode 100644 index 8b51767d0f..0000000000 --- a/usr/src/lib/librt/common/mqlib.h +++ /dev/null @@ -1,117 +0,0 @@ -/* - * CDDL HEADER START - * - * The contents of this file are subject to the terms of the - * Common Development and Distribution License (the "License"). - * You may not use this file except in compliance with the License. - * - * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE - * or http://www.opensolaris.org/os/licensing. - * See the License for the specific language governing permissions - * and limitations under the License. - * - * When distributing Covered Code, include this CDDL HEADER in each - * file and include the License file at usr/src/OPENSOLARIS.LICENSE. - * If applicable, add the following below this CDDL HEADER, with the - * fields enclosed by brackets "[]" replaced with your own identifying - * information: Portions Copyright [yyyy] [name of copyright owner] - * - * CDDL HEADER END - */ - -/* - * Copyright 2006 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. - */ - -#ifndef _MQLIB_H -#define _MQLIB_H - -#pragma ident "%Z%%M% %I% %E% SMI" - -/* - * mqlib.h - Header file for POSIX.4 message queue - */ - -#ifdef __cplusplus -extern "C" { -#endif - -#include <sys/types.h> -#include "sigev_thread.h" - -/* - * Default values per message queue - */ -#define MQ_MAXMSG 128 -#define MQ_MAXSIZE 1024 - -#define MQ_MAGIC 0x4d534751 /* "MSGQ" */ - -/* - * Message header which is part of messages in link list - */ -typedef struct { - uint64_t msg_next; /* offset of next message in the link */ - uint64_t msg_len; /* length of the message */ -} msghdr_t; - -/* - * message queue description - */ -struct mq_dn { - size_t mqdn_flags; /* open description flags */ -}; - -/* - * message queue descriptor structure - */ -typedef struct mq_des { - struct mq_des *mqd_next; /* list of all open mq descriptors, */ - struct mq_des *mqd_prev; /* needed for fork-safety */ - int mqd_magic; /* magic # to identify mq_des */ - int mqd_flags; /* operation flag per open */ - struct mq_header *mqd_mq; /* address pointer of message Q */ - struct mq_dn *mqd_mqdn; /* open description */ - thread_communication_data_t *mqd_tcd; /* SIGEV_THREAD notification */ -} mqdes_t; - - -/* - * message queue common header, part of the mmap()ed file. - * Since message queues may be shared between 32- and 64-bit processes, - * care must be taken to make sure that the elements of this structure - * are identical for both _LP64 and _ILP32 cases. - */ -typedef struct mq_header { - /* first field must be mq_totsize, DO NOT insert before this */ - int64_t mq_totsize; /* total size of the Queue */ - int64_t mq_maxsz; /* max size of each message */ - uint32_t mq_maxmsg; /* max messages in the queue */ - uint32_t mq_maxprio; /* maximum mqueue priority */ - uint32_t mq_curmaxprio; /* current maximum MQ priority */ - uint32_t mq_mask; /* priority bitmask */ - uint64_t mq_freep; /* free message's head pointer */ - uint64_t mq_headpp; /* pointer to head pointers */ - uint64_t mq_tailpp; /* pointer to tail pointers */ - signotify_id_t mq_sigid; /* notification id (3 int's) */ - uint32_t mq_ntype; /* notification type (SIGEV_*) */ - uint64_t mq_des; /* pointer to msg Q descriptor */ - mutex_t mq_exclusive; /* acquire for exclusive access */ - sem_t mq_rblocked; /* number of processes rblocked */ - sem_t mq_notfull; /* mq_send()'s block on this */ - sem_t mq_notempty; /* mq_receive()'s block on this */ - sem_t mq_spawner; /* spawner thread blocks on this */ -} mqhdr_t; - -extern mutex_t mq_list_lock; -extern mqdes_t *mq_list; - -/* prototype for signotify system call. unexposed to user */ -int __signotify(int cmd, siginfo_t *sigonfo, signotify_id_t *sn_id); - -#ifdef __cplusplus -} -#endif - -#endif /* _MQLIB_H */ |