/usr/include/gfal2/cancel/gfal_cancel.h is in libgfal2-dev 2.10.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) CERN 2013-2015
*
* Copyright (c) Members of the EMI Collaboration. 2010-2013
* See http://www.eu-emi.eu/partners for details on the copyright
* holders.
*
* 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.
*/
#pragma once
#ifndef GFAL_CANCEL_H_
#define GFAL_CANCEL_H_
#if !defined(__GFAL2_H_INSIDE__) && !defined(__GFAL2_BUILD__)
# warning "Direct inclusion of gfal2 headers is deprecated. Please, include only gfal_api.h or gfal_plugins_api.h"
#endif
#include <glib.h>
#include <global/gfal_global.h>
#include <common/gfal_constants.h>
/**
* @file gfal_cancel.h
*
* canceling operation for gfal 2.0
*
**/
#ifdef __cplusplus
extern "C"
{
#endif
typedef struct gfal_cancel_token_s* gfal_cancel_token_t;
typedef void (*gfal_cancel_hook_cb)(gfal2_context_t context, void* userdata);
/**
* @brief cancel operation
*
* cancel all pending operation on the given context
* blocking until all operations finish
* all operations will return and trigger an ECANCELED if interrupted.
* Thread safe
* @param context : gfal 2 context
* @return number of operations canceled
*/
int gfal2_cancel(gfal2_context_t context);
/**
* @brief cancel status
* @return true if \ref gfal2_cancel has been called
*
* @param context
* @return true if success
*/
gboolean gfal2_is_canceled(gfal2_context_t context);
/**
* Register a cancel hook, called in each cancellation
* Thread-safe
*/
gfal_cancel_token_t gfal2_register_cancel_callback(gfal2_context_t context,
gfal_cancel_hook_cb cb, void* userdata);
/**
* Remove a cancel hook
* Thread-safe
*/
void gfal2_remove_cancel_callback(gfal2_context_t context, gfal_cancel_token_t token);
/**
* Mark the beginning of a cancellable scope
*/
int gfal2_start_scope_cancel(gfal2_context_t context, GError** err);
/**
* Mark the end of a cancellable scope
*/
int gfal2_end_scope_cancel(gfal2_context_t context);
/**
* GQuark of a cancel action
*/
GQuark gfal_cancel_quark();
/** Convenience macro for gfal2_start_scope_cancel */
#define GFAL2_BEGIN_SCOPE_CANCEL(context, ret_err_value, err) \
do{ \
if(gfal2_start_scope_cancel(context, err) < 0){ \
return ret_err_value; \
} \
}while(0)
/** Convenience macro for gfal2_end_scope_cancel */
#define GFAL2_END_SCOPE_CANCEL(context) \
gfal2_end_scope_cancel(context)
#ifdef __cplusplus
}
#endif
#endif /* GFAL_CANCEL_H_ */
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