/*
    Copyright 2005-2009 Intel Corporation.  All Rights Reserved.

    This file is part of Threading Building Blocks.

    Threading Building Blocks is free software; you can redistribute it
    and/or modify it under the terms of the GNU General Public License
    version 2 as published by the Free Software Foundation.

    Threading Building Blocks is distributed in the hope that it will be
    useful, but WITHOUT ANY WARRANTY; without even the implied warranty
    of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with Threading Building Blocks; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    As a special exception, you may use this file as part of a free software
    library without restriction.  Specifically, if other files instantiate
    templates or use macros or inline functions from this file, or you compile
    this file and link it with other files to produce an executable, this
    file does not by itself cause the resulting executable to be covered by
    the GNU General Public License.  This exception does not however
    invalidate any other reasons why the executable file might be covered by
    the GNU General Public License.
*/

#ifndef __TBB_tbb_config_H
#define __TBB_tbb_config_H

/** This header is supposed to contain macro definitions and C style comments only.
    The macros defined here are intended to control such aspects of TBB build as 
    - compilation modes
    - feature sets
    - workarounds presence 
**/

/** Compilation modes **/

#ifndef TBB_USE_DEBUG
#ifdef TBB_DO_ASSERT
#define TBB_USE_DEBUG TBB_DO_ASSERT
#else
#define TBB_USE_DEBUG 0
#endif /* TBB_DO_ASSERT */
#else
#define TBB_DO_ASSERT TBB_USE_DEBUG
#endif /* TBB_USE_DEBUG */

#ifndef TBB_USE_ASSERT
#ifdef TBB_DO_ASSERT
#define TBB_USE_ASSERT TBB_DO_ASSERT
#else 
#define TBB_USE_ASSERT TBB_USE_DEBUG
#endif /* TBB_DO_ASSERT */
#endif /* TBB_USE_ASSERT */

#ifndef TBB_USE_THREADING_TOOLS
#ifdef TBB_DO_THREADING_TOOLS
#define TBB_USE_THREADING_TOOLS TBB_DO_THREADING_TOOLS
#else 
#define TBB_USE_THREADING_TOOLS TBB_USE_DEBUG
#endif /* TBB_DO_THREADING_TOOLS */
#endif /* TBB_USE_THREADING_TOOLS */

#ifndef TBB_USE_PERFORMANCE_WARNINGS
#ifdef TBB_PERFORMANCE_WARNINGS
#define TBB_USE_PERFORMANCE_WARNINGS TBB_PERFORMANCE_WARNINGS
#else 
#define TBB_USE_PERFORMANCE_WARNINGS TBB_USE_DEBUG
#endif /* TBB_PEFORMANCE_WARNINGS */
#endif /* TBB_USE_PERFORMANCE_WARNINGS */


/** Feature sets **/

#ifndef __TBB_EXCEPTIONS
#define __TBB_EXCEPTIONS 1
#endif /* __TBB_EXCEPTIONS */

#ifndef __TBB_SCHEDULER_OBSERVER
#define __TBB_SCHEDULER_OBSERVER 1
#endif /* __TBB_SCHEDULER_OBSERVER */

#ifndef __TBB_TASK_SCHEDULER_AUTO_INIT
#define __TBB_TASK_SCHEDULER_AUTO_INIT 1
#endif /* __TBB_TASK_SCHEDULER_AUTO_INIT */

#ifndef __TBB_TASK_DEQUE
#define __TBB_TASK_DEQUE 1
#endif /* !__TBB_TASK_DEQUE */

#if __TBB_TASK_DEQUE
#ifndef __TBB_RELAXED_OWNERSHIP
#define __TBB_RELAXED_OWNERSHIP 1
#endif /* !__TBB_RELAXED_OWNERSHIP */
#else
#ifdef __TBB_RELAXED_OWNERSHIP
#undef __TBB_RELAXED_OWNERSHIP
#endif /* __TBB_RELAXED_OWNERSHIP */
#endif /* !__TBB_TASK_DEQUE */

#ifndef __TBB_NEW_ITT_NOTIFY
#define __TBB_NEW_ITT_NOTIFY 1
#endif /* !__TBB_NEW_ITT_NOTIFY */


/* TODO: The following condition should be extended as soon as new compilers/runtimes 
         with std::exception_ptr support appear. */
#define __TBB_EXCEPTION_PTR_PRESENT  ( _MSC_VER >= 1600 )


#ifndef TBB_USE_CAPTURED_EXCEPTION
    #if __TBB_EXCEPTION_PTR_PRESENT
        #define TBB_USE_CAPTURED_EXCEPTION 0
    #else
        #define TBB_USE_CAPTURED_EXCEPTION 1
    #endif
#else /* defined TBB_USE_CAPTURED_EXCEPTION */
    #if !TBB_USE_CAPTURED_EXCEPTION && !__TBB_EXCEPTION_PTR_PRESENT
        #error Current runtime does not support std::exception_ptr. Set TBB_USE_CAPTURED_EXCEPTION and make sure that your code is ready to catch tbb::captured_exception.
    #endif
#endif /* defined TBB_USE_CAPTURED_EXCEPTION */


#ifndef __TBB_DEFAULT_PARTITIONER
#if TBB_DEPRECATED
/** Default partitioner for parallel loop templates in TBB 1.0-2.1 */
#define __TBB_DEFAULT_PARTITIONER tbb::simple_partitioner
#else
/** Default partitioner for parallel loop templates in TBB 2.2 */
#define __TBB_DEFAULT_PARTITIONER tbb::auto_partitioner
#endif /* TBB_DEFAULT_PARTITIONER */
#endif /* !defined(__TBB_DEFAULT_PARTITIONER */

/** Workarounds presence **/

/** Macros of the form __TBB_XXX_BROKEN denote known issues that are caused by
    the bugs in compilers, standard or OS specific libraries. They should be 
    removed as soon as the corresponding bugs are fixed or the buggy OS/compiler
    versions go out of the support list. 
**/

#if defined(_MSC_VER) && _MSC_VER < 0x1500 && !defined(__INTEL_COMPILER)
    /** VS2005 and earlier does not allow to declare a template class as a friend 
        of classes defined in other namespaces. **/
    #define __TBB_TEMPLATE_FRIENDS_BROKEN 1
#endif

#if __GLIBC__==2 && __GLIBC_MINOR__==3 || __MINGW32__
    /** Some older versions of glibc crash when exception handling happens concurrently. **/
    #define __TBB_EXCEPTION_HANDLING_BROKEN 1
#endif

#if __FreeBSD__
    /** The bug in FreeBSD 8.0 results in kernel panic when there is contention 
        on a mutex created with this attribute. **/
    #define __TBB_PRIO_INHERIT_BROKEN 1

    /** A bug in FreeBSD 8.0 results in test hanging when an exception occurs 
        during (concurrent?) object construction by means of placement new operator. **/
    #define __TBB_PLACEMENT_NEW_EXCEPTION_SAFETY_BROKEN 1
#endif /* __FreeBSD__ */


#endif /* __TBB_tbb_config_H */
