nuttx/include/execinfo.h

/****************************************************************************
 * include/execinfo.h
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.  The
 * ASF licenses this file to you 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.
 *
 ****************************************************************************/

#ifndef __INCLUDE_EXECINFO_H
#define __INCLUDE_EXECINFO_H

/****************************************************************************
 * Included Files
 ****************************************************************************/

#include <sys/types.h>
#include <sched.h>

/****************************************************************************
 * Pre-processor Definitions
 ****************************************************************************/

#if defined(CONFIG_SCHED_BACKTRACE)

/* Store up to SIZE return address of the current back trace in
 * ARRAY and return the exact number of values stored.
 */

# define backtrace(buffer, size) sched_backtrace(gettid(), buffer, size, 0)
# define dump_stack()            sched_dumpstack(gettid())

#else
# define backtrace(buffer, size) 0
# define dump_stack()
#endif

/****************************************************************************
 * Public Function Prototypes
 ****************************************************************************/

#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif

FAR char **backtrace_symbols(FAR void *const *buffer, int size);
void backtrace_symbols_fd(FAR void *const *buffer, int size, int fd);

#undef EXTERN
#if defined(__cplusplus)
}
#endif

#endif /* __INCLUDE_EXECINFO_H */