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/*
* Copyright 2018 Google, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* 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;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER OR 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.
*
* Authors: Gabe Black
*/
#ifndef __SYSTEMC_EXT_CORE_SC_PROCESS_HANDLE_HH__
#define __SYSTEMC_EXT_CORE_SC_PROCESS_HANDLE_HH__
#include <exception>
#include <vector>
namespace sc_gem5
{
class Process;
} // namespace sc_gem5
namespace sc_core
{
class sc_event;
class sc_object;
enum sc_curr_proc_kind
{
SC_NO_PROC_,
SC_METHOD_PROC_,
SC_THREAD_PROC_,
SC_CTHREAD_PROC_
};
enum sc_descendent_inclusion_info
{
SC_NO_DESCENDANTS,
SC_INCLUDE_DESCENDANTS
};
class sc_unwind_exception : public std::exception
{
public:
virtual const char *what() const throw();
virtual bool is_reset() const;
protected:
sc_unwind_exception();
sc_unwind_exception(const sc_unwind_exception &);
virtual ~sc_unwind_exception() throw();
};
class sc_process_handle
{
private:
::sc_gem5::Process *_gem5_process;
public:
sc_process_handle();
sc_process_handle(const sc_process_handle &);
explicit sc_process_handle(sc_object *);
~sc_process_handle();
// These non-standard operators provide access to the data structure which
// actually tracks the process within gem5. By making them operators, we
// can minimize the symbols added to the class namespace.
operator ::sc_gem5::Process * () const { return _gem5_process; }
sc_process_handle &
operator = (::sc_gem5::Process *p)
{
_gem5_process = p;
return *this;
}
bool valid() const;
sc_process_handle &operator = (const sc_process_handle &);
bool operator == (const sc_process_handle &) const;
bool operator != (const sc_process_handle &) const;
bool operator < (const sc_process_handle &) const;
bool swap(sc_process_handle &);
const char *name() const;
sc_curr_proc_kind proc_kind() const;
const std::vector<sc_object *> &get_child_objects() const;
const std::vector<sc_event *> &get_child_events() const;
sc_object *get_parent_object() const;
sc_object *get_process_object() const;
bool dynamic() const;
bool terminated() const;
const sc_event &terminated_event() const;
void suspend(sc_descendent_inclusion_info include_descendants=
SC_NO_DESCENDANTS);
void resume(sc_descendent_inclusion_info include_descendants=
SC_NO_DESCENDANTS);
void disable(sc_descendent_inclusion_info include_descendants=
SC_NO_DESCENDANTS);
void enable(sc_descendent_inclusion_info include_descendants=
SC_NO_DESCENDANTS);
void kill(sc_descendent_inclusion_info include_descendants=
SC_NO_DESCENDANTS);
void reset(sc_descendent_inclusion_info include_descendants=
SC_NO_DESCENDANTS);
bool is_unwinding();
const sc_event &reset_event() const;
void sync_reset_on(sc_descendent_inclusion_info include_descendants=
SC_NO_DESCENDANTS);
void sync_reset_off(sc_descendent_inclusion_info include_descendants=
SC_NO_DESCENDANTS);
void warn_unimpl(const char *func);
template <typename T>
void throw_it(const T &user_defined_exception,
sc_descendent_inclusion_info include_descendants=
SC_NO_DESCENDANTS)
{
warn_unimpl(__PRETTY_FUNCTION__);
}
};
sc_process_handle sc_get_current_process_handle();
bool sc_is_unwinding();
} // namespace sc_core
#endif //__SYSTEMC_EXT_CORE_SC_PROCESS_HANDLE_HH__
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