1/* 2 * Copyright (c) 1998 Daniel Eischen <eischen@vigrid.com>. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by Daniel Eischen. 16 * 4. Neither the name of the author nor the names of any co-contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY DANIEL EISCHEN AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * $FreeBSD: releng/10.2/lib/libkse/thread/thr_mutex_protocol.c 174689 2007-12-16 23:29:57Z deischen $ 33 */ 34 35#include "namespace.h" 36#include <string.h> 37#include <stdlib.h> 38#include <errno.h> 39#include <pthread.h> 40#include "un-namespace.h" 41#include "thr_private.h" 42 43__weak_reference(_pthread_mutexattr_getprotocol, pthread_mutexattr_getprotocol); 44__weak_reference(_pthread_mutexattr_setprotocol, pthread_mutexattr_setprotocol); 45 46int 47_pthread_mutexattr_getprotocol(pthread_mutexattr_t *mattr, int *protocol) 48{ 49 int ret = 0; 50 51 if ((mattr == NULL) || (*mattr == NULL)) 52 ret = EINVAL; 53 else 54 *protocol = (*mattr)->m_protocol; 55 56 return(ret); 57} 58 59int 60_pthread_mutexattr_setprotocol(pthread_mutexattr_t *mattr, int protocol) 61{ 62 int ret = 0; 63 64 if ((mattr == NULL) || (*mattr == NULL) || 65 (protocol < PTHREAD_PRIO_NONE) || (protocol > PTHREAD_PRIO_PROTECT)) 66 ret = EINVAL; 67 else { 68 (*mattr)->m_protocol = protocol; 69 (*mattr)->m_ceiling = THR_MAX_PRIORITY; 70 } 71 return(ret); 72} 73 74