1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2003 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _MQUEUE_H 28 #define _MQUEUE_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #include <sys/feature_tests.h> 33 #include <sys/types.h> 34 #include <sys/fcntl.h> 35 #include <sys/signal.h> 36 #include <sys/siginfo.h> 37 #include <time.h> 38 39 #ifdef __cplusplus 40 extern "C" { 41 #endif 42 43 typedef void *mqd_t; /* opaque message queue descriptor */ 44 45 struct mq_attr { 46 long mq_flags; /* message queue flags */ 47 long mq_maxmsg; /* maximum number of messages */ 48 long mq_msgsize; /* maximum message size */ 49 long mq_curmsgs; /* number of messages currently queued */ 50 int mq_pad[12]; 51 }; 52 53 /* 54 * function prototypes 55 */ 56 #if defined(__STDC__) 57 #if (_POSIX_C_SOURCE - 0 > 0) && (_POSIX_C_SOURCE - 0 <= 2) 58 #error "POSIX Message Passing is not supported in POSIX.1-1990" 59 #endif 60 #include <sys/siginfo.h> 61 mqd_t mq_open(const char *, int, ...); 62 int mq_close(mqd_t); 63 int mq_unlink(const char *); 64 int mq_send(mqd_t, const char *, size_t, unsigned int); 65 int mq_timedsend(mqd_t, const char *, size_t, unsigned int, 66 const struct timespec *); 67 int mq_reltimedsend_np(mqd_t, const char *, size_t, unsigned int, 68 const struct timespec *); 69 ssize_t mq_receive(mqd_t, char *, size_t, unsigned int *); 70 ssize_t mq_timedreceive(mqd_t, char *_RESTRICT_KYWD, size_t, 71 unsigned int *_RESTRICT_KYWD, 72 const struct timespec *_RESTRICT_KYWD); 73 ssize_t mq_reltimedreceive_np(mqd_t, char *_RESTRICT_KYWD, size_t, 74 unsigned int *_RESTRICT_KYWD, 75 const struct timespec *_RESTRICT_KYWD); 76 int mq_notify(mqd_t, const struct sigevent *); 77 int mq_getattr(mqd_t, struct mq_attr *); 78 int mq_setattr(mqd_t, const struct mq_attr *_RESTRICT_KYWD, 79 struct mq_attr *_RESTRICT_KYWD); 80 #else 81 mqd_t mq_open(); 82 int mq_close(); 83 int mq_unlink(); 84 int mq_send(); 85 int mq_timedsend(); 86 int mq_reltimedsend_np(); 87 ssize_t mq_receive(); 88 ssize_t mq_timedreceive(); 89 ssize_t mq_reltimedreceive_np(); 90 int mq_notify(); 91 int mq_getattr(); 92 int mq_setattr(); 93 #endif /* __STDC__ */ 94 95 #ifdef __cplusplus 96 } 97 #endif 98 99 #endif /* _MQUEUE_H */ 100