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/*
* T-trace
* Copyright (c) 2014 Samsung Electronics Co., Ltd All Rights Reserved
*
* 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.
*/
/**
* @file trace.h
* @brief This file contains the tracing API.
*/
#ifndef _CDBG_TIZEN_TRACE_H_
#define _CDBG_TIZEN_TRACE_H_
#include <tizen.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/**
* @addtogroup CAPI_SYSTEM_TRACE_MODULE
* @{
*
*/
/**
* @brief Enumeration for Trace Error.
* @since_tizen 2.4
*/
typedef enum {
TRACE_ERROR_NONE = TIZEN_ERROR_NONE, /**< Successful */
TRACE_ERROR_IO_ERROR = TIZEN_ERROR_IO_ERROR /**< I/O error */
} trace_error_e;
/**
* @brief Writes a trace event to indicate that a synchronous event has begun.
*
* @since_tizen 2.4
* @remarks The specific error code can be obtained using the get_last_result() method. Error codes are described in Exception section.
* @param[in] name The name of event (optionally containing format specifiers)
* @exception TRACE_ERROR_NONE Success
* @exception TRACE_ERROR_IO_ERROR I/O error
* @see trace_end()
*/
void trace_begin(const char *name, ...);
/**
* @brief Writes a trace event to indicate that the synchronous event has ended.
*
* @since_tizen 2.4
* @remarks trace_end() ends the most recently called trace_begin().
* @remarks The specific error code can be obtained using the get_last_result() method. Error codes are described in Exception section.
* @exception TRACE_ERROR_NONE Success
* @exception TRACE_ERROR_IO_ERROR I/O error
* @see trace_begin()
*/
void trace_end();
/**
* @brief Writes a trace event to indicate that an asynchronous event has begun.
*
* @since_tizen 2.4
* @remarks The specific error code can be obtained using the get_last_result() method. Error codes are described in Exception section.
* @param[in] cookie An unique identifier for distinguishing simultaneous events
* @param[in] name The name of event (optionally containing format specifiers)
* @exception TRACE_ERROR_NONE Success
* @exception TRACE_ERROR_IO_ERROR I/O error
* @see trace_async_end()
*/
void trace_async_begin(int cookie, const char *name, ...);
/**
* @brief Writes a trace event to indicate that the asynchronous event has ended.
*
* @since_tizen 2.4
* @remarks trace_async_end() ends matched trace_async_begin() which has same cookie and name.
* @remarks The specific error code can be obtained using the get_last_result() method. Error codes are described in Exception section.
* @param[in] cookie An unique identifier for distinguishing simultaneous events
* @param[in] name The name of event (optionally containing format specifiers)
* @exception TRACE_ERROR_NONE Success
* @exception TRACE_ERROR_IO_ERROR I/O error
* @see trace_async_begin()
*/
void trace_async_end(int cookie, const char *name, ...);
/**
* @brief Writes a trace event to track change of integer counter
*
* @since_tizen 2.4
* @remarks The specific error code can be obtained using the get_last_result() method. Error codes are described in Exception section.
* @param[in] value The counter value
* @param[in] name The name of event (optionally containing format specifiers)
* @exception TRACE_ERROR_NONE Success
* @exception TRACE_ERROR_IO_ERROR I/O error
*/
void trace_update_counter(int value, const char *name, ...);
/**
* @}
*/
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* _CDBG_TIZEN_TRACE_H_ */
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