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Diffstat (limited to 'TAO/orbsvcs/orbsvcs/Sched/Reconfig_Sched_Utils.h')
| -rw-r--r-- | TAO/orbsvcs/orbsvcs/Sched/Reconfig_Sched_Utils.h | 288 |
1 files changed, 0 insertions, 288 deletions
diff --git a/TAO/orbsvcs/orbsvcs/Sched/Reconfig_Sched_Utils.h b/TAO/orbsvcs/orbsvcs/Sched/Reconfig_Sched_Utils.h deleted file mode 100644 index 472dc5f6cb1..00000000000 --- a/TAO/orbsvcs/orbsvcs/Sched/Reconfig_Sched_Utils.h +++ /dev/null @@ -1,288 +0,0 @@ -/* -*- C++ -*- */ -// $Id$ - -// ============================================================================ -// -// = LIBRARY -// orbsvcs -// -// = FILENAME -// Reconfig_Scheduler_Utils.h -// -// = AUTHOR -// Chris Gill <cdgill@cs.wustl.edu> -// -// ============================================================================ - -#ifndef TAO_RECONFIG_SCHED_UTILS_H -#define TAO_RECONFIG_SCHED_UTILS_H - -#include "ace/inc_user_config.h" - -// The templatized method parameters needed by this file are -// hopelessly broken on pre-2.8 versions of g++ -#if (! defined (__GNUC__)) || (__GNUC__ > 2) || \ -(__GNUC__ == 2 && defined (__GNUC_MINOR__) && __GNUC_MINOR__ >= 8) - -#include "orbsvcs/Scheduler_Factory.h" -#include "orbsvcs/RtecSchedulerS.h" - -#if !defined (ACE_LACKS_PRAGMA_ONCE) -# pragma once -#endif /* ACE_LACKS_PRAGMA_ONCE */ - - -class TAO_ORBSVCS_Export TAO_Reconfig_Scheduler_Entry - // = TITLE - // An implementation class used to store interim scheduling results - // such as DFS finishing order, etc. - // - // = DESCRIPTION - // This class improves the performance of the Reconfig Scheduler - // by saving information from one computation for use in other - // computations, and simplifies the implementation logic. -{ -public: - - // Info for DFS traversal, topological sort of call graph. - enum DFS_Status {NOT_VISITED, VISITED, FINISHED}; - - TAO_Reconfig_Scheduler_Entry (RtecScheduler::RT_Info &rt_info); - // Constructor. - - RtecScheduler::RT_Info & orig_rt_info_data (void); - // Accessor for stored original RT_Info data. - - void orig_rt_info_data (RtecScheduler::RT_Info &data); - // Mutator for stored original RT_Info data. - - RtecScheduler::RT_Info * actual_rt_info (); - // Accessor for actual RT_Info. - - void actual_rt_info (RtecScheduler::RT_Info *); - // Mutator for actual RT_Info. - - long fwd_discovered () const; - // Accessor for when the node was discovered in forward DFS traversal. - - void fwd_discovered (long l); - // Mutator for when the node was discovered in forward DFS traversal. - - long rev_discovered () const; - // Accessor for when the node was discovered in reverse DFS traversal. - - void rev_discovered (long l); - // Mutator for when the node was discovered in reverse DFS traversal. - - long fwd_finished () const; - // Accessor for when the node was finished in forward DFS traversal. - - void fwd_finished (long l); - // Mutator for when the node was finished in forward DFS traversal. - - long rev_finished () const; - // Accessor for when the node was finished in reverse DFS traversal. - - void rev_finished (long l); - // Mutator for when the node was finished in reverse DFS traversal. - - DFS_Status fwd_dfs_status () const; - // Accessor for forward DFS traversal status of the node. - - DFS_Status rev_dfs_status () const; - // Accessor for reverse DFS traversal status of the node. - - void fwd_dfs_status (DFS_Status ds); - // Mutator for forward DFS traversal status of the node. - - void rev_dfs_status (DFS_Status ds); - // Mutator for reverse DFS traversal status of the node. - - int is_thread_delineator () const; - // Accessor for flag indicating whether node is a thread - // delineator. - - void is_thread_delineator (int i); - // Mutator for flag indicating whether node is a thread - // delineator. - - int has_unresolved_remote_dependencies () const; - // Accessor for flag indicating whether node has unresolved remote - // dependencies. - - void has_unresolved_remote_dependencies (int i); - // Mutator for flag indicating whether node has unresolved remote - // dependencies. - - int has_unresolved_local_dependencies () const; - // Accessor for flag indicating whether node has unresolved local - // dependencies. - - void has_unresolved_local_dependencies (int i); - // Mutator for flag indicating whether node has unresolved local - // dependencies. - - RtecScheduler::Period_t effective_period (); - // Accessor for effective period of corresponding RT_Info. - - void effective_period (RtecScheduler::Period_t p); - // Mutator for effective period of corresponding RT_Info. - - CORBA::Long effective_exec_multiplier (); - // Accessor for effective execution time multiplier of corresponding - // RT_Info. - - void effective_exec_multiplier (CORBA::Long l); - // Mutator for effective execution time multiplier of corresponding - // RT_Info. - -private: - - RtecScheduler::RT_Info orig_rt_info_data_; - // Stores the values of operation characteristics as they were specified - // in the most recent call to the Reconfig_Scheduler's set () method. - // That way, the scheduler propagation pass can overwrite RT_Info fields - // without losing the original values. This is useful when - - RtecScheduler::RT_Info *actual_rt_info_; - // Points to the actual RT_Info to which the schedling entry corresponds. - - DFS_Status fwd_dfs_status_; - // Forward depth-first-search status of the entry. - - DFS_Status rev_dfs_status_; - // Reverse depth-first-search status of the entry. - - long fwd_discovered_; - // Forward depth-first-search discovery order of the entry. - - long rev_discovered_; - // Reverse depth-first-search discovery order of the entry. - - long fwd_finished_; - // Forward depth-first-search completion order of the entry. - - long rev_finished_; - // Reverse depth-first-search completion order of the entry. - - int is_thread_delineator_; - // Flag identifying threads in the call graph. - - int has_unresolved_remote_dependencies_; - // Flag indicating whether or not there are unresolved remote - // dependencies in the entry's dependency call chain. - - int has_unresolved_local_dependencies_; - // Flag indicating whether or not there are unresolved local - // dependencies in the entry's dependency call chain. - - CORBA::Long effective_exec_multiplier_; - // Effective execution time multiplier for corresponding RT_Info. - - RtecScheduler::Period_t effective_period_; - // Effective period of corresponding RT_Info. - -}; - - -class TAO_ORBSVCS_Export TAO_Reconfig_Sched_Entry_Visitor - // = TITLE - // An abstract base class for scheduler entry visitors. - // - // = DESCRIPTION - // This class simplifies the reconfig scheduler implementation - // by giving a common interface for distinct visitors over the - // scheduling entries. -{ -public: - - virtual int visit (TAO_Reconfig_Scheduler_Entry &) = 0; - // Visit a Reconfig Scheduler Entry. - -}; - - -class TAO_ORBSVCS_Export TAO_RSE_Reset_Visitor : - public TAO_Reconfig_Sched_Entry_Visitor - // = TITLE - // A scheduler entry visitor that resets nodes. - // - // = DESCRIPTION - // This class resets each node it visits to an initial state - // prior to the first DFS traversal for topological sorting. -{ -public: - - TAO_RSE_Reset_Visitor (); - // Constructor. - - virtual int visit (TAO_Reconfig_Scheduler_Entry &rse); - // Resets the fields in the entry to pre-DFS traversal states. - // Returns 0 on success and -1 on error. -}; - - - - -class TAO_ORBSVCS_Export TAO_MUF_Reconfig_Sched_Strategy - // = TITLE - // A scheduling strategy that implements the Maximum - // Urgency First scheduling algorithm. - // - // = DESCRIPTION - // The strategy assigns static thread and global priority according - // to operation criticality, assigns static subpriority according to - // importance and then topological order, and assigns a dispatching - // configuration with a minimum laxity dispatching queue for each - // distinct criticality level. -{ -public: - - static int comp_entry_finish_times (const void *first, const void *second); - // Ordering function to compare the DFS finish times of - // two task entries, so qsort orders these in topological - // order, with the higher times *first*. - - static int total_priority_comp (const void *, const void *); - // Ordering function used to qsort an array of - // TAO_Reconfig_Scheduler_Entry pointers into a total <priority, - // subpriority> ordering. Returns -1 if the first one is higher, 0 - // if they're the same, and 1 if the second one is higher. - - static int compare_priority (TAO_Reconfig_Scheduler_Entry &, - TAO_Reconfig_Scheduler_Entry &); - // Compares two entries by priority alone. Returns -1 if the - // first one is higher, 0 if they're the same, and 1 if the second one is higher. - - - static int compare_subpriority (TAO_Reconfig_Scheduler_Entry &, - TAO_Reconfig_Scheduler_Entry &); - // Compares two entries by subpriority alone. Returns -1 if the - // first one is higher, 0 if they're the same, and 1 if the second one is higher. - - static int priority_diff (RtecScheduler::RT_Info &s, - RtecScheduler::RT_Info &t); - // Compares two RT_Infos by priority alone. Returns -1 if the - // first one is higher, 0 if they're the same, and 1 if the second one is higher. - - static int is_critical (TAO_Reconfig_Scheduler_Entry &rse); - // Determines whether or not an entry is critical, based on operation characteristics. - // returns 1 if critical, 0 if not - - static int assign_config (RtecScheduler::Config_Info &, - TAO_Reconfig_Scheduler_Entry &); - // Fills in a static dispatch configuration for a priority level, based - // on the operation characteristics of a representative scheduling entry. -}; - - -#if defined (__ACE_INLINE__) -#include "Reconfig_Sched_Utils.i" -#endif /* __ACE_INLINE__ */ - -// Include the templates here. -#include "Reconfig_Sched_Utils_T.h" - -#endif /* __GNUC__ */ - -#endif /* TAO_RECONFIG_SCHED_UTILS_H */ |