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    /*	$OpenBSD: rthread_mutex_prio.c,v 1.2 2014/06/23 00:43:15 guenther Exp $ */  | 
    
    
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    /*  | 
    
    
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     * Copyright (c) 2011 Philip Guenther <guenther@openbsd.org>  | 
    
    
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     *  | 
    
    
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     * Permission to use, copy, modify, and distribute this software for any  | 
    
    
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     * purpose with or without fee is hereby granted, provided that the above  | 
    
    
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     * copyright notice and this permission notice appear in all copies.  | 
    
    
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     *  | 
    
    
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     * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES  | 
    
    
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     * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF  | 
    
    
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     * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR  | 
    
    
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     * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES  | 
    
    
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     * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN  | 
    
    
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     * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF  | 
    
    
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     * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.  | 
    
    
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     */  | 
    
    
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    #include <errno.h>  | 
    
    
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    #include <pthread.h>  | 
    
    
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    #include "rthread.h"  | 
    
    
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    int  | 
    
    
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    pthread_mutex_getprioceiling(pthread_mutex_t *mutexp, int *prioceiling)  | 
    
    
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    { | 
    
    
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    	pthread_mutex_t mutex = *mutexp;  | 
    
    
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    	if (mutex->prioceiling == -1)  | 
    
    
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    		return (EINVAL);  | 
    
    
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    	*prioceiling = mutex->prioceiling;  | 
    
    
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    	return (0);  | 
    
    
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    }  | 
    
    
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    int  | 
    
    
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    pthread_mutex_setprioceiling(pthread_mutex_t *mutexp, int prioceiling,  | 
    
    
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        int *old_ceiling)  | 
    
    
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    { | 
    
    
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    	pthread_mutex_t mutex = *mutexp;  | 
    
    
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    	int ret;  | 
    
    
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    	if (mutex->prioceiling == -1 ||  | 
    
    
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    	    prioceiling < PTHREAD_MIN_PRIORITY ||  | 
    
    
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    	    prioceiling > PTHREAD_MAX_PRIORITY) { | 
    
    
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    		ret = EINVAL;  | 
    
    
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    	} else if ((ret = pthread_mutex_lock(mutexp)) == 0) { | 
    
    
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    		*old_ceiling = mutex->prioceiling;  | 
    
    
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    		mutex->prioceiling = prioceiling;  | 
    
    
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    		pthread_mutex_unlock(mutexp);  | 
    
    
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    	}  | 
    
    
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    	return (ret);  | 
    
    
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    }  |