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Diffstat (limited to 'TAO/orbsvcs/orbsvcs/Sched/Reconfig_Scheduler.h')
| -rw-r--r-- | TAO/orbsvcs/orbsvcs/Sched/Reconfig_Scheduler.h | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/TAO/orbsvcs/orbsvcs/Sched/Reconfig_Scheduler.h b/TAO/orbsvcs/orbsvcs/Sched/Reconfig_Scheduler.h deleted file mode 100644 index 813f53faca4..00000000000 --- a/TAO/orbsvcs/orbsvcs/Sched/Reconfig_Scheduler.h +++ /dev/null @@ -1,212 +0,0 @@ -/* -*- C++ -*- */ -// $Id$ - -// ============================================================================ -// -// = LIBRARY -// orbsvcs -// -// = FILENAME -// Reconfig_Scheduler.h -// -// = AUTHOR -// Chris Gill <cdgill@cs.wustl.edu> -// -// ============================================================================ - -#ifndef ACE_RECONFIG_SCHEDULER_H -#define ACE_RECONFIG_SCHEDULER_H - -#include "orbsvcs/Scheduler_Factory.h" -#include "orbsvcs/RtecSchedulerS.h" - -template <class RECONFIG_SCHED_STRATEGY, class ACE_LOCK> -class TAO_ORBSVCS_Export ACE_Reconfig_Scheduler : - public POA_RtecScheduler::Scheduler -{ - // = TITLE - // A servant for RtecScheduler::Scheduler that can be initialized - // and run solely with precomputed scheduling information, but is also - // designed to perform efficient recomputation of scheduling info - // in the face of run-time changes to RT_Infos in the schedule. - // - // = DESCRIPTION - // This class implements the TAO scheduling service. It has - // the ability to accept and use precomputed scheduling information - // with deterministic performance once the schedule is fully configured. - // It also provides efficient and flexible lookup and computation - // during schedule configuration, so that it can be used during - // both schedule configuration and run-time phases of operation. - // -public: - - ACE_Reconfig_Scheduler (); - // Default constructor. - - ACE_Reconfig_Scheduler (int config_count, - ACE_Scheduler_Factory::POD_Config_Info config_info[], - int entry_count, - ACE_Scheduler_Factory::POD_RT_Info rt_info[], - int dependency_count, - ACE_Scheduler_Factory::POD_Dependency_Info dependency_info[], - int is_stable); - // Constructor. Initialize the scheduler from the POD_Config_Info, POD_RT_Info, - // and POD_Dependency arrays, plus stability flag. - - int init (int config_count, - ACE_Scheduler_Factory::POD_Config_Info config_info[], - int entry_count, - ACE_Scheduler_Factory::POD_RT_Info rt_info[], - int dependency_count, - ACE_Scheduler_Factory::POD_Dependency_Info dependency_info[], - int is_stable); - // Initializes the scheduler with the passed information. - - virtual RtecScheduler::handle_t create (const char * entry_point, - CORBA::Environment &_env) - TAO_THROW_SPEC ((CORBA::SystemException, - RtecScheduler::DUPLICATE_NAME)); - // Create an RT_Info. If the RT_Info already exists, is handle is simply - // returned. If it does not exist, a new RT_Info is created and inserted - // into the schedule, and the handle of the new RT_Info is returned. - - virtual RtecScheduler::handle_t lookup (const char * entry_point, - CORBA::Environment &_env) - TAO_THROW_SPEC((CORBA::SystemException)); - // Lookup a handle for an RT_Info, and return its handle, or an error - // value if it's not present. - - virtual RtecScheduler::RT_Info* get (RtecScheduler::handle_t handle, - CORBA::Environment &_env) - TAO_THROW_SPEC ((CORBA::SystemException, - RtecScheduler::UNKNOWN_TASK)); - // Return a pointer to the RT_Info corresponding to the passed handle. - - virtual void set (RtecScheduler::handle_t handle, - RtecScheduler::Criticality_t criticality, - RtecScheduler::Time time, - RtecScheduler::Time typical_time, - RtecScheduler::Time cached_time, - RtecScheduler::Period_t period, - RtecScheduler::Importance_t importance, - RtecScheduler::Quantum_t quantum, - CORBA::Long threads, - RtecScheduler::Info_Type_t info_type, - CORBA::Environment &_env) - TAO_THROW_SPEC ((CORBA::SystemException, - RtecScheduler::UNKNOWN_TASK)); - // Set characteristics of the RT_Info corresponding to the passed handle. - - virtual void priority (RtecScheduler::handle_t handle, - RtecScheduler::OS_Priority& o_priority, - RtecScheduler::Preemption_Subpriority_t& p_subpriority, - RtecScheduler::Preemption_Priority_t& p_priority, - CORBA::Environment &_env) - TAO_THROW_SPEC ((CORBA::SystemException, - RtecScheduler::UNKNOWN_TASK, - RtecScheduler::NOT_SCHEDULED)); - // Returns the priority and subpriority values assigned to an RT_Info, - // based on its handle. - - virtual void entry_point_priority (const char * entry_point, - RtecScheduler::OS_Priority& o_priority, - RtecScheduler::Preemption_Subpriority_t& p_subpriority, - RtecScheduler::Preemption_Priority_t& p_priority, - CORBA::Environment &_env) - TAO_THROW_SPEC ((CORBA::SystemException, - RtecScheduler::UNKNOWN_TASK, - RtecScheduler::NOT_SCHEDULED)); - // Returns the priority and subpriority values assigned to an RT_Info, - // based on its entry point name. - - virtual void add_dependency (RtecScheduler::handle_t handle, - RtecScheduler::handle_t dependency, - CORBA::Long number_of_calls, - RtecScheduler::Dependency_Type_t dependency_type, - CORBA::Environment &_env) - TAO_THROW_SPEC ((CORBA::SystemException, - RtecScheduler::UNKNOWN_TASK)); - // This method registers a dependency between two RT_Infos. - - virtual void compute_scheduling (CORBA::Long minimum_priority, - CORBA::Long maximum_priority, - RtecScheduler::RT_Info_Set_out infos, - RtecScheduler::Config_Info_Set_out configs, - RtecScheduler::Scheduling_Anomaly_Set_out anomalies, - CORBA::Environment &_env) - TAO_THROW_SPEC ((CORBA::SystemException, - RtecScheduler::UTILIZATION_BOUND_EXCEEDED, - RtecScheduler::INSUFFICIENT_THREAD_PRIORITY_LEVELS, - RtecScheduler::TASK_COUNT_MISMATCH)); - // If information has been added or changed since the last stable - // schedule was computed, this method causes scheduling information - // to be computed for all registered RT_Infos. If the schedule is - // already stable, this is a no-op - - virtual void dispatch_configuration (RtecScheduler::Preemption_Priority_t p_priority, - RtecScheduler::OS_Priority& o_priority, - RtecScheduler::Dispatching_Type_t & d_type, - CORBA::Environment &_env) - TAO_THROW_SPEC ((CORBA::SystemException, - RtecScheduler::NOT_SCHEDULED, - RtecScheduler::UNKNOWN_PRIORITY_LEVEL)); - // Provides the thread priority and queue type for the given priority level. - - virtual RtecScheduler::Preemption_Priority_t last_scheduled_priority (CORBA::Environment &_env) - TAO_THROW_SPEC ((CORBA::SystemException, - RtecScheduler::NOT_SCHEDULED)); - // Returns the last priority number assigned to an operation in the - // schedule. The number returned is one less than the total number - // of scheduled priorities. All scheduled priorities range from 0 - // to the number returned, inclusive. - -private: - - typedef ACE_Hash_Map_Manager_Ex<RtecScheduler::handle_t, - RtecScheduler::RT_Info*, - ACE_Hash<RtecScheduler::handle_t>, - ACE_Equal_To<RtecScheduler::handle_t>, - ACE_LOCK> RT_INFO_MAP; - // Type of map used for O(1) lookup of RT_Infos by their handles. - - typedef ACE_RB_Tree<char *, - RtecScheduler::RT_Info*, - ACE_Less_Than<char *>, - ACE_LOCK> RT_INFO_TREE; - // Type of tree used for O(log n) lookup of RT_Infos by their names. - - typedef ACE_Hash_Map_Manager_Ex<RtecScheduler::Preemption_Priority_t, - RtecScheduler::Config_Info*, - ACE_Hash<RtecScheduler::Preemption_Priority_t>, - ACE_Equal_To<RtecScheduler::Preemption_Priority_t>, - ACE_LOCK> CONFIG_INFO_MAP; - // Type of map used for O(1) lookup of Config_Infos by their priorities. - - RECONFIG_SCHED_STRATEGY sched_strategy_; - // Scheduling strategy for the reconfig scheduler. - - CONFIG_INFO_MAP config_info_map_; - // Map for O(1) lookup of Config_Infos by priority level. - - int config_info_count_; - // The number of elements in the config map. - - RT_INFO_MAP rt_info_map_; - // Map for O(1) lookup of RT_Infos by handle. - - RT_INFO_TREE rt_info_tree_; - // Map for O(1) lookup of RT_Infos by handle. - - int rt_info_count_; - // The number of elements in the config map. - - int is_stable_; - // Flag indicating whether a stable schedule has been computed - // since the last addition or modification of information. -}; - -#if defined (__ACE_INLINE__) -#include "orbsvcs/Reconfig_Scheduler.i" -#endif /* __ACE_INLINE__ */ - -#endif /* ACE_RECONFIG_SCHEDULER_H */ |