pthread_mutex_attr.h

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/*
 * SPDX-FileCopyrightText: 2014 Freie Universität Berlin
 * SPDX-License-Identifier: LGPL-2.1-only
 */
 
#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