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yap-6.3/misc/GLOBALS

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//
// File defining fields in the Yap_GLOBAL global structure
//
// these fields used to spread all over the place, because they must be used in 3 ways:
// - they must be defined somewhere
// - they have an #ifdef to get a shorter name
// - they must be initialised somewhere
// - they may be of interest to restore
//
// The defs include 4+ components:
// Type
// name in structured
// global name
// init code (optional)
// restore code (optional)
//
// Stuff that must be shared by all threads or workers
START_GLOBAL_DATA
// initialization: tell whether the system has been initialised and by whom.
int initialised Yap_Initialised =FALSE
int initialised_from_pl Yap_InitialisedFromPL =FALSE
int pl_argc Yap_PL_Argc =0
char **pl_argv Yap_PL_Argv =NULL
// halt hooks
struct halt_hook *yap_halt_hook Yap_HaltHooks =NULL
// stack overflow expansion/gc control
int allow_local_expansion Yap_AllowLocalExpansion =TRUE
int allow_global_expansion Yap_AllowGlobalExpansion =TRUE
int allow_trail_expansion Yap_AllowTrailExpansion =TRUE
UInt size_of_overflow Yap_SizeOfOverflow =0
// amount of space recovered in all garbage collections
UInt agc_last_call Yap_AGcLastCall =0
// amount of space recovered in all garbage collections
UInt agc_threshold Yap_AGcThreshold =10000
Agc_hook agc_hook Yap_AGCHook =NULL
/* multi-thread support */
#if THREADS
/* number of threads and processes in system */
UInt n_of_threads Yap_NOfThreads =1
/* number of threads created since start */
UInt n_of_threads_created Yap_NOfThreadsCreated =1
/* total run time for dead threads */
UInt threads_total_time Yap_ThreadsTotalTime =0L
#endif
// multi-thread/ORP support
#if defined(YAPOR) || defined(THREADS)
// protect long critical regions
lockvar bgl Yap_BGL MkLock
#endif
// Threads Array
#ifdef THREADS
lockvar thread_handles_lock Yap_ThreadHandlesLock MkLock
#endif
#if defined(YAPOR) || defined(TABLING)
struct global_optyap_data optyap_data Yap_optyap_data void
#endif /* YAPOR || TABLING */
END_GLOBAL_DATA