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/* ppaml/tracer/internal.h -- definitions of abstract types
* Copyright (C) 2013, 2014 Galois, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither Galois's name nor the names of other contributors may be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY GALOIS AND OTHER CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL GALOIS OR OTHER CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
/**
* @file internal.h
* Definitions of abstract types.
*
* @warning Do not include this file directly. Instead, include @ref
* ppaml/tracer.h.
*
* This file contains the implementations of abstract types which, for
* efficiency reasons, are exposed to the user.
*/
/* THIS FILE SHOULD NOT BE #INCLUDED DIRECTLY. Instead, #include
* <ppaml/tracer.h>. */
#ifndef PPAML_TRACER_INTERNAL_H
#define PPAML_TRACER_INTERNAL_H
#include <stddef.h>
#include <stdint.h>
#include <otf.h>
/**
* @struct ppaml_tracer_t ppaml/tracer/internal.h ppaml/tracer.h
* Tracer state bundle.
*
* ppamltracer is fundamentally a set of stateful operations; this struct holds
* the state ppamltracer needs to operate properly.
*
* To increase flexibility, ppamltracer users may allocate instances of this
* struct on the stack or heap.
*
* Newly-allocated instances of ppaml_tracer_t are invalid and must be
* initialized using @ref ppaml_tracer_init before they can be used. Once a
* ppaml_tracer_t is no longer required, it must be finalized using @ref
* ppaml_tracer_done.
*/
typedef struct {
/// @private The underlying Open Trace Format file manager.
OTF_FileManager *manager;
/// @private The underlying Open Trace Format output subsystem.
OTF_Writer *writer;
} ppaml_tracer_t;
/**
* `sizeof(`@ref ppaml_tracer_t`)`.
*
* @warning This constant is intended for interfacing with other languages. It
* is not part of the stable ppamltracer C API. Use
* `sizeof(`@ref ppaml_tracer_t`)` instead.
*/
const size_t ppaml_tracer_t_size;
/**
* @struct ppaml_phase_t ppaml/tracer/internal.h ppaml/tracer.h
* A phase of execution to trace.
*
* A ppaml_phase_t represents a phase of execution about which the user wishes
* to gather timing statistics.
*
* To increase flexibility, ppamltracer users may allocate instances of this
* struct on the stack or heap.
*
* Newly-allocated instances of ppaml_phase_t are invalid and must be
* initialized using @ref ppaml_phase_init before they can be used. Once a
* ppaml_phase_t is no longer required, it must be finalized using @ref
* ppaml_phase_done.
*/
typedef struct {
/// @private The associated ppaml_tracer_t.
ppaml_tracer_t *tracer;
/**
* @private
* The Open Trace Format identifier for this phase.
*
* Phases are isomorphic to functions as understood by the Open Trace
* Format libraries; thus, this is a "function identifier".
*/
uint32_t otf_function_id;
} ppaml_phase_t;
/**
* `sizeof(`@ref ppaml_phase_t`)`.
*
* @warning This constant is intended for interfacing with other languages. It
* is not part of the stable ppamltracer C API. Use
* `sizeof(`@ref ppaml_phase_t`)` instead.
*/
const size_t ppaml_phase_t_size;
#endif
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