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Diff for /OpenXM_contrib/gc/Attic/gc.h between version 1.1 and 1.1.1.3

version 1.1, 1999/11/27 10:58:32 version 1.1.1.3, 2000/12/01 14:48:26
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 /*  /*
  * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers   * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers
  * Copyright (c) 1991-1995 by Xerox Corporation.  All rights reserved.   * Copyright (c) 1991-1995 by Xerox Corporation.  All rights reserved.
  * Copyright 1996 by Silicon Graphics.  All rights reserved.   * Copyright 1996-1999 by Silicon Graphics.  All rights reserved.
    * Copyright 1999 by Hewlett-Packard Company.  All rights reserved.
  *   *
  * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED   * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
  * OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.   * OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.
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 #include "libgc_globals.h"  #include "libgc_globals.h"
 #endif  #endif
   
   #if defined(__MINGW32__) && defined(WIN32_THREADS)
   # ifdef GC_BUILD
   #   define GC_API __declspec(dllexport)
   # else
   #   define GC_API __declspec(dllimport)
   # endif
   #endif
   
 #if defined(_MSC_VER) && defined(_DLL)  #if defined(_MSC_VER) && defined(_DLL)
 # ifdef GC_BUILD  # ifdef GC_BUILD
 #   define GC_API __declspec(dllexport)  #   define GC_API __declspec(dllexport)
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 # if defined(__STDC__) || defined(__cplusplus)  # if defined(__STDC__) || defined(__cplusplus)
 #   define GC_PROTO(args) args  #   define GC_PROTO(args) args
     typedef void * GC_PTR;      typedef void * GC_PTR;
   #   define GC_CONST const
 # else  # else
 #   define GC_PROTO(args) ()  #   define GC_PROTO(args) ()
     typedef char * GC_PTR;      typedef char * GC_PTR;
   #   define GC_CONST
 #  endif  #  endif
   
 # ifdef __cplusplus  # ifdef __cplusplus
Line 96  GC_API GC_PTR (*GC_oom_fn) GC_PROTO((size_t bytes_requ
Line 107  GC_API GC_PTR (*GC_oom_fn) GC_PROTO((size_t bytes_requ
                         /* pointer to a previously allocated heap       */                          /* pointer to a previously allocated heap       */
                         /* object.                                      */                          /* object.                                      */
   
   GC_API int GC_find_leak;
                           /* Do not actually garbage collect, but simply  */
                           /* report inaccessible memory that was not      */
                           /* deallocated with GC_free.  Initial value     */
                           /* is determined by FIND_LEAK macro.            */
   
 GC_API int GC_quiet;    /* Disable statistics output.  Only matters if  */  GC_API int GC_quiet;    /* Disable statistics output.  Only matters if  */
                         /* collector has been compiled with statistics  */                          /* collector has been compiled with statistics  */
                         /* enabled.  This involves a performance cost,  */                          /* enabled.  This involves a performance cost,  */
                         /* and is thus not the default.                 */                          /* and is thus not the default.                 */
   
   GC_API int GC_finalize_on_demand;
                           /* If nonzero, finalizers will only be run in   */
                           /* response to an eplit GC_invoke_finalizers    */
                           /* call.  The default is determined by whether  */
                           /* the FINALIZE_ON_DEMAND macro is defined      */
                           /* when the collector is built.                 */
   
   GC_API int GC_java_finalization;
                           /* Mark objects reachable from finalizable      */
                           /* objects in a separate postpass.  This makes  */
                           /* it a bit safer to use non-topologically-     */
                           /* ordered finalization.  Default value is      */
                           /* determined by JAVA_FINALIZATION macro.       */
   
 GC_API int GC_dont_gc;  /* Dont collect unless explicitly requested, e.g. */  GC_API int GC_dont_gc;  /* Dont collect unless explicitly requested, e.g. */
                         /* because it's not safe.                         */                          /* because it's not safe.                         */
   
Line 108  GC_API int GC_dont_expand;
Line 139  GC_API int GC_dont_expand;
                         /* Dont expand heap unless explicitly requested */                          /* Dont expand heap unless explicitly requested */
                         /* or forced to.                                */                          /* or forced to.                                */
   
   GC_API int GC_use_entire_heap;
                   /* Causes the nonincremental collector to use the       */
                   /* entire heap before collecting.  This was the only    */
                   /* option for GC versions < 5.0.  This sometimes        */
                   /* results in more large block fragmentation, since     */
                   /* very larg blocks will tend to get broken up          */
                   /* during each GC cycle.  It is likely to result in a   */
                   /* larger working set, but lower collection             */
                   /* frequencies, and hence fewer instructions executed   */
                   /* in the collector.                                    */
   
 GC_API int GC_full_freq;    /* Number of partial collections between    */  GC_API int GC_full_freq;    /* Number of partial collections between    */
                             /* full collections.  Matters only if       */                              /* full collections.  Matters only if       */
                             /* GC_incremental is set.                   */                              /* GC_incremental is set.                   */
                               /* Full collections are also triggered if   */
                               /* the collector detects a substantial      */
                               /* increase in the number of in-use heap    */
                               /* blocks.  Values in the tens are now      */
                               /* perfectly reasonable, unlike for         */
                               /* earlier GC versions.                     */
   
 GC_API GC_word GC_non_gc_bytes;  GC_API GC_word GC_non_gc_bytes;
                         /* Bytes not considered candidates for collection. */                          /* Bytes not considered candidates for collection. */
Line 277  GC_API int GC_try_to_collect GC_PROTO((GC_stop_func st
Line 325  GC_API int GC_try_to_collect GC_PROTO((GC_stop_func st
 /* Includes some pages that were allocated but never written.           */  /* Includes some pages that were allocated but never written.           */
 GC_API size_t GC_get_heap_size GC_PROTO((void));  GC_API size_t GC_get_heap_size GC_PROTO((void));
   
   /* Return a lower bound on the number of free bytes in the heap.        */
   GC_API size_t GC_get_free_bytes GC_PROTO((void));
   
 /* Return the number of bytes allocated since the last collection.      */  /* Return the number of bytes allocated since the last collection.      */
 GC_API size_t GC_get_bytes_since_gc GC_PROTO((void));  GC_API size_t GC_get_bytes_since_gc GC_PROTO((void));
   
Line 321  GC_API GC_PTR GC_malloc_atomic_ignore_off_page GC_PROT
Line 372  GC_API GC_PTR GC_malloc_atomic_ignore_off_page GC_PROT
   
 #ifdef GC_ADD_CALLER  #ifdef GC_ADD_CALLER
 #  define GC_EXTRAS GC_RETURN_ADDR, __FILE__, __LINE__  #  define GC_EXTRAS GC_RETURN_ADDR, __FILE__, __LINE__
 #  define GC_EXTRA_PARAMS GC_word ra, char * descr_string, int descr_int  #  define GC_EXTRA_PARAMS GC_word ra, GC_CONST char * s, int i
 #else  #else
 #  define GC_EXTRAS __FILE__, __LINE__  #  define GC_EXTRAS __FILE__, __LINE__
 #  define GC_EXTRA_PARAMS char * descr_string, int descr_int  #  define GC_EXTRA_PARAMS GC_CONST char * s, int i
 #endif  #endif
   
 /* Debugging (annotated) allocation.  GC_gcollect will check            */  /* Debugging (annotated) allocation.  GC_gcollect will check            */
Line 355  GC_API void GC_debug_end_stubborn_change GC_PROTO((GC_
Line 406  GC_API void GC_debug_end_stubborn_change GC_PROTO((GC_
         GC_debug_register_finalizer(p, f, d, of, od)          GC_debug_register_finalizer(p, f, d, of, od)
 #   define GC_REGISTER_FINALIZER_IGNORE_SELF(p, f, d, of, od) \  #   define GC_REGISTER_FINALIZER_IGNORE_SELF(p, f, d, of, od) \
         GC_debug_register_finalizer_ignore_self(p, f, d, of, od)          GC_debug_register_finalizer_ignore_self(p, f, d, of, od)
   #   define GC_REGISTER_FINALIZER_NO_ORDER(p, f, d, of, od) \
           GC_debug_register_finalizer_no_order(p, f, d, of, od)
 #   define GC_MALLOC_STUBBORN(sz) GC_debug_malloc_stubborn(sz, GC_EXTRAS);  #   define GC_MALLOC_STUBBORN(sz) GC_debug_malloc_stubborn(sz, GC_EXTRAS);
 #   define GC_CHANGE_STUBBORN(p) GC_debug_change_stubborn(p)  #   define GC_CHANGE_STUBBORN(p) GC_debug_change_stubborn(p)
 #   define GC_END_STUBBORN_CHANGE(p) GC_debug_end_stubborn_change(p)  #   define GC_END_STUBBORN_CHANGE(p) GC_debug_end_stubborn_change(p)
Line 371  GC_API void GC_debug_end_stubborn_change GC_PROTO((GC_
Line 424  GC_API void GC_debug_end_stubborn_change GC_PROTO((GC_
         GC_register_finalizer(p, f, d, of, od)          GC_register_finalizer(p, f, d, of, od)
 #   define GC_REGISTER_FINALIZER_IGNORE_SELF(p, f, d, of, od) \  #   define GC_REGISTER_FINALIZER_IGNORE_SELF(p, f, d, of, od) \
         GC_register_finalizer_ignore_self(p, f, d, of, od)          GC_register_finalizer_ignore_self(p, f, d, of, od)
   #   define GC_REGISTER_FINALIZER_NO_ORDER(p, f, d, of, od) \
           GC_register_finalizer_no_order(p, f, d, of, od)
 #   define GC_MALLOC_STUBBORN(sz) GC_malloc_stubborn(sz)  #   define GC_MALLOC_STUBBORN(sz) GC_malloc_stubborn(sz)
 #   define GC_CHANGE_STUBBORN(p) GC_change_stubborn(p)  #   define GC_CHANGE_STUBBORN(p) GC_change_stubborn(p)
 #   define GC_END_STUBBORN_CHANGE(p) GC_end_stubborn_change(p)  #   define GC_END_STUBBORN_CHANGE(p) GC_end_stubborn_change(p)
Line 449  GC_API void GC_debug_register_finalizer_ignore_self
Line 504  GC_API void GC_debug_register_finalizer_ignore_self
         GC_PROTO((GC_PTR obj, GC_finalization_proc fn, GC_PTR cd,          GC_PROTO((GC_PTR obj, GC_finalization_proc fn, GC_PTR cd,
                   GC_finalization_proc *ofn, GC_PTR *ocd));                    GC_finalization_proc *ofn, GC_PTR *ocd));
   
   /* Another version of the above.  It ignores all cycles.        */
   /* It should probably only be used by Java implementations.      */
   GC_API void GC_register_finalizer_no_order
           GC_PROTO((GC_PTR obj, GC_finalization_proc fn, GC_PTR cd,
                     GC_finalization_proc *ofn, GC_PTR *ocd));
   GC_API void GC_debug_register_finalizer_no_order
           GC_PROTO((GC_PTR obj, GC_finalization_proc fn, GC_PTR cd,
                     GC_finalization_proc *ofn, GC_PTR *ocd));
   
   
 /* The following routine may be used to break cycles between    */  /* The following routine may be used to break cycles between    */
 /* finalizable objects, thus causing cyclic finalizable         */  /* finalizable objects, thus causing cyclic finalizable         */
 /* objects to be finalized in the correct order.  Standard      */  /* objects to be finalized in the correct order.  Standard      */
Line 505  GC_API int GC_unregister_disappearing_link GC_PROTO((G
Line 570  GC_API int GC_unregister_disappearing_link GC_PROTO((G
 GC_API GC_PTR GC_make_closure GC_PROTO((GC_finalization_proc fn, GC_PTR data));  GC_API GC_PTR GC_make_closure GC_PROTO((GC_finalization_proc fn, GC_PTR data));
 GC_API void GC_debug_invoke_finalizer GC_PROTO((GC_PTR obj, GC_PTR data));  GC_API void GC_debug_invoke_finalizer GC_PROTO((GC_PTR obj, GC_PTR data));
   
   /* Returns !=0  if GC_invoke_finalizers has something to do.            */
   GC_API int GC_should_invoke_finalizers GC_PROTO((void));
   
 GC_API int GC_invoke_finalizers GC_PROTO((void));  GC_API int GC_invoke_finalizers GC_PROTO((void));
         /* Run finalizers for all objects that are ready to     */          /* Run finalizers for all objects that are ready to     */
         /* be finalized.  Return the number of finalizers       */          /* be finalized.  Return the number of finalizers       */
         /* that were run.  Normally this is also called         */          /* that were run.  Normally this is also called         */
         /* implicitly during some allocations.  If              */          /* implicitly during some allocations.  If              */
         /* FINALIZE_ON_DEMAND is defined, it must be called     */          /* GC-finalize_on_demand is nonzero, it must be called  */
         /* explicitly.                                          */          /* explicitly.                                          */
   
 /* GC_set_warn_proc can be used to redirect or filter warning messages. */  /* GC_set_warn_proc can be used to redirect or filter warning messages. */
Line 668  GC_API void (*GC_is_visible_print_proc)
Line 736  GC_API void (*GC_is_visible_print_proc)
 # endif /* SOLARIS_THREADS */  # endif /* SOLARIS_THREADS */
   
   
 #if defined(IRIX_THREADS) || defined(LINUX_THREADS)  #if !defined(USE_LD_WRAP) && \
       (defined(IRIX_THREADS) || defined(LINUX_THREADS) || defined(HPUX_THREADS))
 /* We treat these similarly. */  /* We treat these similarly. */
 # include <pthread.h>  # include <pthread.h>
 # include <signal.h>  # include <signal.h>
Line 682  GC_API void (*GC_is_visible_print_proc)
Line 751  GC_API void (*GC_is_visible_print_proc)
 # define pthread_create GC_pthread_create  # define pthread_create GC_pthread_create
 # define pthread_sigmask GC_pthread_sigmask  # define pthread_sigmask GC_pthread_sigmask
 # define pthread_join GC_pthread_join  # define pthread_join GC_pthread_join
   # define dlopen GC_dlopen
   
 #endif /* IRIX_THREADS || LINUX_THREADS */  #endif /* xxxxx_THREADS */
   
 # if defined(PCR) || defined(SOLARIS_THREADS) || defined(WIN32_THREADS) || \  # if defined(PCR) || defined(SOLARIS_THREADS) || defined(WIN32_THREADS) || \
         defined(IRIX_THREADS) || defined(LINUX_THREADS) || \          defined(IRIX_THREADS) || defined(LINUX_THREADS) || \
         defined(IRIX_JDK_THREADS)          defined(IRIX_JDK_THREADS) || defined(HPUX_THREADS)
         /* Any flavor of threads except SRC_M3. */          /* Any flavor of threads except SRC_M3. */
 /* This returns a list of objects, linked through their first           */  /* This returns a list of objects, linked through their first           */
 /* word.  Its use can greatly reduce lock contention problems, since    */  /* word.  Its use can greatly reduce lock contention problems, since    */
 /* the allocation lock can be acquired and released many fewer times.   */  /* the allocation lock can be acquired and released many fewer times.   */
   /* lb must be large enough to hold the pointer field.                   */
 GC_PTR GC_malloc_many(size_t lb);  GC_PTR GC_malloc_many(size_t lb);
 #define GC_NEXT(p) (*(GC_PTR *)(p))     /* Retrieve the next element    */  #define GC_NEXT(p) (*(GC_PTR *)(p))     /* Retrieve the next element    */
                                         /* in returned list.            */                                          /* in returned list.            */
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  Added in v.1.1.1.3
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