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/*
* Queue functions
*
* Copyright (C) 2012-2014, Joachim Metz <joachim.metz@gmail.com>
*
* Refer to AUTHORS for acknowledgements.
*
* This software is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this software. If not, see <http://www.gnu.org/licenses/>.
*/
#if !defined( _LIBCTHREADS_INTERNAL_QUEUE_H )
#define _LIBCTHREADS_INTERNAL_QUEUE_H
#include <common.h>
#include <types.h>
#include "libcthreads_extern.h"
#include "libcthreads_libcerror.h"
#include "libcthreads_types.h"
#if defined( __cplusplus )
extern "C" {
#endif
#if !defined( HAVE_LOCAL_LIBCTHREADS ) || defined( HAVE_MULTI_THREAD_SUPPORT )
typedef struct libcthreads_internal_queue libcthreads_internal_queue_t;
struct libcthreads_internal_queue
{
/* The (current) pop index
*/
int pop_index;
/* The (current) push index
*/
int push_index;
/* The number of values
*/
int number_of_values;
/* The allocated number of values
*/
int allocated_number_of_values;
/* The values array
*/
intptr_t **values_array;
/* The condition mutex
*/
libcthreads_mutex_t *condition_mutex;
/* The queue empty condition
*/
libcthreads_condition_t *empty_condition;
/* The queue full condition
*/
libcthreads_condition_t *full_condition;
};
LIBCTHREADS_EXTERN \
int libcthreads_queue_initialize(
libcthreads_queue_t **queue,
int maximum_number_of_values,
libcerror_error_t **error );
LIBCTHREADS_EXTERN \
int libcthreads_queue_free(
libcthreads_queue_t **queue,
libcerror_error_t **error );
LIBCTHREADS_EXTERN \
int libcthreads_queue_empty(
libcthreads_queue_t *queue,
libcerror_error_t **error );
LIBCTHREADS_EXTERN \
int libcthreads_queue_pop(
libcthreads_queue_t *queue,
intptr_t **value,
libcerror_error_t **error );
LIBCTHREADS_EXTERN \
int libcthreads_queue_try_pop(
libcthreads_queue_t *queue,
intptr_t **value,
libcerror_error_t **error );
LIBCTHREADS_EXTERN \
int libcthreads_queue_push(
libcthreads_queue_t *queue,
intptr_t *value,
libcerror_error_t **error );
LIBCTHREADS_EXTERN \
int libcthreads_queue_try_push(
libcthreads_queue_t *queue,
intptr_t *value,
libcerror_error_t **error );
#endif /* !defined( HAVE_LOCAL_LIBCTHREADS ) || defined( HAVE_MULTI_THREAD_SUPPORT ) */
#if defined( __cplusplus )
}
#endif
#endif
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