/usr/include/globus/globus_handle_table.h is in libglobus-common-dev 14.10-2.
This file is owned by root:root, with mode 0o644.
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* Copyright 1999-2006 University of Chicago
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/******************************************************************************
globus_handle_table.h
Description:
This header defines a reference-counting handle table structure.
CVS Information:
$Source: /home/globdev/CVS/globus-packages/common/source/library/globus_handle_table.h,v $
$Date: 2010/05/17 18:46:20 $
$Revision: 1.7 $
$Author: bester $
******************************************************************************/
#ifndef GLOBUS_INCLUDE_HANDLE_TABLE_H
#define GLOBUS_INCLUDE_HANDLE_TABLE_H
#include "globus_common_include.h"
EXTERN_C_BEGIN
typedef struct globus_l_handle_table_s * globus_handle_table_t;
typedef int globus_handle_t;
typedef
void
(*globus_handle_destructor_t)(
void * datum);
#define GLOBUS_NULL_HANDLE 0
#define GLOBUS_HANDLE_TABLE_NO_HANDLE 0
/**
* Initialize a table of unique reference counted handles.
*
* @param handle_table
* the table of unique handles we want to use.
* @param destructor
* Function to call to free the data associated with
* a handle when the handle's reference count reaches
* 0 or the handle table is destroyed.
*/
int
globus_handle_table_init(
globus_handle_table_t * handle_table,
globus_handle_destructor_t destructor);
/**
* Destroy a handle table
*/
int
globus_handle_table_destroy(
globus_handle_table_t * handle_table);
/**
* insert a piece of memory into the table for reference counting
*
* @param handle_table
* the table of unique handles we want to use.
*
* @param datum
* the piece of memory to reference count
*
* @param initial_refs
* the intial reference count of this piece of memory.
*/
globus_handle_t
globus_handle_table_insert(
globus_handle_table_t * handle_table,
void * datum,
int initial_refs);
/**
* add a reference to a handle table entry.
*
* @param handle_table
* the table of unique handles we want to use.
*
* @param handle
* the handle that we want to increment
*
* Returns: GLOBUS_TRUE if the handle is still referenced.
*
*/
globus_bool_t
globus_handle_table_increment_reference(
globus_handle_table_t * handle_table,
globus_handle_t handle);
/**
* increment the reference count by inc
*
* @param handle_table
* the table of unique handles we want to use.
*
* @param handle
* the handle that we want to increment
* @param inc
* the number of references to add the the handle
*
* Returns: GLOBUS_TRUE if the handle is still referenced.
*
*/
globus_bool_t
globus_handle_table_increment_reference_by(
globus_handle_table_t * handle_table,
globus_handle_t handle,
unsigned int inc);
/**
* Remove a reference to a handle table entry,
* deleting the entry if no more references
* exist.
*
* @param handle_table
* the table of unique handles we want to use.
*
* @param handle
* the handle that we want to decrement
*
* Returns GLOBUS_TRUE if the handle is still referenced.
*
*/
globus_bool_t
globus_handle_table_decrement_reference(
globus_handle_table_t * handle_table,
globus_handle_t handle);
/**
* Find the void * corresponding to a unique
* handle. Does not update the reference count.
*
* @param handle_table
* the table of unique handles we want to use
*
* @param handle
* the handle that we want to look up
*
* Returns: the data value associated with the handle
*
*/
void *
globus_handle_table_lookup(
globus_handle_table_t * handle_table,
globus_handle_t handle);
EXTERN_C_END
#endif /* GLOBUS_INCLUDE_HANDLE_TABLE_H */
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