pthread_mutex_attr.h

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/*
 * Copyright (C) 2014 Freie Universität Berlin
 *
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 
#pragma once
 
#include <errno.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define PTHREAD_MUTEX_NORMAL     0
#define PTHREAD_MUTEX_RECURSIVE  1
#define PTHREAD_MUTEX_ERRORCHECK 2
#define PTHREAD_MUTEX_DEFAULT    PTHREAD_MUTEX_NORMAL
 
#define PTHREAD_PRIO_NONE        0
#define PTHREAD_PRIO_INHERIT     1
 
#define PTHREAD_PRIO_PROTECT     2
#define PTHREAD_MUTEX_STALLED    0
#define PTHREAD_MUTEX_ROBUST     1
 
typedef struct
{
    int pshared;    
    int kind;       
    int protocol;   
    int robustness; 
} pthread_mutexattr_t;
 
int pthread_mutexattr_init(pthread_mutexattr_t *attr);
 
int pthread_mutexattr_destroy(pthread_mutexattr_t *attr);
 
int pthread_mutexattr_getpshared(const pthread_mutexattr_t *attr, int *pshared);
 
int pthread_mutexattr_setpshared(pthread_mutexattr_t *attr, int pshared);
 
int pthread_mutexattr_gettype(const pthread_mutexattr_t *attr, int *kind);
 
int pthread_mutexattr_settype(pthread_mutexattr_t *attr, int kind);
 
int pthread_mutexattr_getprotocol(const pthread_mutexattr_t *attr, int *protocol);
 
int pthread_mutexattr_setprotocol(pthread_mutexattr_t *attr, int protocol);
 
/* Return in *PRIOCEILING the mutex prioceiling attribute in *ATTR.  */
int pthread_mutexattr_getprioceiling(const pthread_mutexattr_t *attr, int *prioceiling);
 
/* Set the mutex prioceiling attribute in *ATTR to PRIOCEILING.  */
int pthread_mutexattr_setprioceiling(pthread_mutexattr_t *attr, int prioceiling);
 
int pthread_mutexattr_getrobust(const pthread_mutexattr_t *attr, int *robustness);
 
int pthread_mutexattr_setrobust(pthread_mutexattr_t *attr, int robustness);
 
#ifdef __cplusplus
}
#endif