mutex_attr.c

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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
/*
 * See COPYRIGHT in top-level directory.
 */
 
#include "abti.h"
 
int ABT_mutex_attr_create(ABT_mutex_attr *newattr)
{
    ABTI_mutex_attr *p_newattr;
 
    int abt_errno = ABTU_malloc(sizeof(ABTI_mutex_attr), (void **)&p_newattr);
    ABTI_CHECK_ERROR(abt_errno);
 
    /* Default values */
    p_newattr->attrs = ABTI_MUTEX_ATTR_NONE;
 
    /* Return value */
    *newattr = ABTI_mutex_attr_get_handle(p_newattr);
    return ABT_SUCCESS;
}
 
int ABT_mutex_attr_free(ABT_mutex_attr *attr)
{
    ABT_mutex_attr h_attr = *attr;
    ABTI_mutex_attr *p_attr = ABTI_mutex_attr_get_ptr(h_attr);
    ABTI_CHECK_NULL_MUTEX_ATTR_PTR(p_attr);
 
    /* Free the memory */
    ABTU_free(p_attr);
    /* Return value */
    *attr = ABT_MUTEX_ATTR_NULL;
    return ABT_SUCCESS;
}
 
int ABT_mutex_attr_set_recursive(ABT_mutex_attr attr, ABT_bool recursive)
{
    ABTI_mutex_attr *p_attr = ABTI_mutex_attr_get_ptr(attr);
    ABTI_CHECK_NULL_MUTEX_ATTR_PTR(p_attr);
 
    /* Set the value */
    if (recursive == ABT_TRUE) {
        p_attr->attrs |= ABTI_MUTEX_ATTR_RECURSIVE;
    } else {
        p_attr->attrs &= ~ABTI_MUTEX_ATTR_RECURSIVE;
    }
    return ABT_SUCCESS;
}
 
int ABT_mutex_attr_get_recursive(ABT_mutex_attr attr, ABT_bool *recursive)
{
    ABTI_mutex_attr *p_attr = ABTI_mutex_attr_get_ptr(attr);
    ABTI_CHECK_NULL_MUTEX_ATTR_PTR(p_attr);
 
    /* Get the value */
    if (p_attr->attrs & ABTI_MUTEX_ATTR_RECURSIVE) {
        *recursive = ABT_TRUE;
    } else {
        *recursive = ABT_FALSE;
    }
    return ABT_SUCCESS;
}