task_scheduler_init.h

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

    The source code contained or described herein and all documents related
    to the source code ("Material") are owned by Intel Corporation or its
    suppliers or licensors.  Title to the Material remains with Intel
    Corporation or its suppliers and licensors.  The Material is protected
    by worldwide copyright laws and treaty provisions.  No part of the
    Material may be used, copied, reproduced, modified, published, uploaded,
    posted, transmitted, distributed, or disclosed in any way without
    Intel's prior express written permission.

    No license under any patent, copyright, trade secret or other
    intellectual property right is granted to or conferred upon you by
    disclosure or delivery of the Materials, either expressly, by
    implication, inducement, estoppel or otherwise.  Any license under such
    intellectual property rights must be express and approved by Intel in
    writing.
*/

#ifndef __TBB_task_scheduler_init_H
#define __TBB_task_scheduler_init_H

#include "tbb_stddef.h"

namespace tbb {

typedef std::size_t stack_size_type;

namespace internal {

    class scheduler;
} // namespace internal


class task_scheduler_init: internal::no_copy {
    internal::scheduler* my_scheduler;
public:

    static const int automatic = -1;

    static const int deferred = -2;


    void __TBB_EXPORTED_METHOD initialize( int number_of_threads=automatic );


    void __TBB_EXPORTED_METHOD initialize( int number_of_threads, stack_size_type thread_stack_size );

    void __TBB_EXPORTED_METHOD terminate();

    task_scheduler_init( int number_of_threads=automatic, stack_size_type thread_stack_size=0 ) : my_scheduler(NULL)  {
        initialize( number_of_threads, thread_stack_size );
    }

    ~task_scheduler_init() {
        if( my_scheduler ) 
            terminate();
        internal::poison_pointer( my_scheduler );
    }

    static int __TBB_EXPORTED_FUNC default_num_threads ();

    bool is_active() const { return my_scheduler != NULL; }
};

} // namespace tbb

#endif /* __TBB_task_scheduler_init_H */

---

Copyright © 2005-2009 Intel Corporation. All Rights Reserved.

Intel, Pentium, Intel Xeon, Itanium, Intel XScale and VTune are registered trademarks or trademarks of Intel Corporation or its subsidiaries in the United States and other countries.

* Other names and brands may be claimed as the property of others.