diff options
Diffstat (limited to 'gcc-4.4.3/boehm-gc/include/gc.h')
| -rw-r--r-- | gcc-4.4.3/boehm-gc/include/gc.h | 1090 |
1 files changed, 0 insertions, 1090 deletions
diff --git a/gcc-4.4.3/boehm-gc/include/gc.h b/gcc-4.4.3/boehm-gc/include/gc.h deleted file mode 100644 index c51e017d6..000000000 --- a/gcc-4.4.3/boehm-gc/include/gc.h +++ /dev/null @@ -1,1090 +0,0 @@ -/* - * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers - * Copyright (c) 1991-1995 by Xerox Corporation. All rights reserved. - * Copyright 1996-1999 by Silicon Graphics. All rights reserved. - * Copyright 1999 by Hewlett-Packard Company. All rights reserved. - * Copyright (C) 2007 Free Software Foundation, Inc - * - * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED - * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. - * - * Permission is hereby granted to use or copy this program - * for any purpose, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - */ - -/* - * Note that this defines a large number of tuning hooks, which can - * safely be ignored in nearly all cases. For normal use it suffices - * to call only GC_MALLOC and perhaps GC_REALLOC. - * For better performance, also look at GC_MALLOC_ATOMIC, and - * GC_enable_incremental. If you need an action to be performed - * immediately before an object is collected, look at GC_register_finalizer. - * If you are using Solaris threads, look at the end of this file. - * Everything else is best ignored unless you encounter performance - * problems. - */ - -#ifndef _GC_H - -# define _GC_H - -/* - * As this header includes gc_config.h, preprocessor conflicts can occur with - * clients that include their own autoconf headers. The following #undef's - * work around some likely conflicts. - */ - -# ifdef PACKAGE_NAME -# undef PACKAGE_NAME -# endif -# ifdef PACKAGE_BUGREPORT -# undef PACKAGE_BUGREPORT -# endif -# ifdef PACKAGE_STRING -# undef PACKAGE_STRING -# endif -# ifdef PACKAGE_TARNAME -# undef PACKAGE_TARNAME -# endif -# ifdef PACKAGE_VERSION -# undef PACKAGE_VERSION -# endif - -# include <gc_config.h> -# include "gc_config_macros.h" - -# if defined(__STDC__) || defined(__cplusplus) || defined(_AIX) -# define GC_PROTO(args) args - typedef void * GC_PTR; -# define GC_CONST const -# else -# define GC_PROTO(args) () - typedef char * GC_PTR; -# define GC_CONST -# endif - -# ifdef __cplusplus - extern "C" { -# endif - -/* Define word and signed_word to be unsigned and signed types of the */ -/* size as char * or void *. There seems to be no way to do this */ -/* even semi-portably. The following is probably no better/worse */ -/* than almost anything else. */ -/* The ANSI standard suggests that size_t and ptr_diff_t might be */ -/* better choices. But those had incorrect definitions on some older */ -/* systems. Notably "typedef int size_t" is WRONG. */ -#ifndef _WIN64 - typedef unsigned long GC_word; - typedef long GC_signed_word; -#else - /* Win64 isn't really supported yet, but this is the first step. And */ - /* it might cause error messages to show up in more plausible places. */ - /* This needs basetsd.h, which is included by windows.h. */ - typedef ULONG_PTR GC_word; - typedef LONG_PTR GC_word; -#endif - -/* Public read-only variables */ - -GC_API GC_word GC_gc_no;/* Counter incremented per collection. */ - /* Includes empty GCs at startup. */ - -GC_API int GC_parallel; /* GC is parallelized for performance on */ - /* multiprocessors. Currently set only */ - /* implicitly if collector is built with */ - /* -DPARALLEL_MARK and if either: */ - /* Env variable GC_NPROC is set to > 1, or */ - /* GC_NPROC is not set and this is an MP. */ - /* If GC_parallel is set, incremental */ - /* collection is only partially functional, */ - /* and may not be desirable. */ - - -/* Public R/W variables */ - -GC_API GC_PTR (*GC_oom_fn) GC_PROTO((size_t bytes_requested)); - /* When there is insufficient memory to satisfy */ - /* an allocation request, we return */ - /* (*GC_oom_fn)(). By default this just */ - /* returns 0. */ - /* If it returns, it must return 0 or a valid */ - /* pointer to a previously allocated heap */ - /* 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_all_interior_pointers; - /* Arrange for pointers to object interiors to */ - /* be recognized as valid. May not be changed */ - /* after GC initialization. */ - /* Initial value is determined by */ - /* -DALL_INTERIOR_POINTERS. */ - /* Unless DONT_ADD_BYTE_AT_END is defined, this */ - /* also affects whether sizes are increased by */ - /* at least a byte to allow "off the end" */ - /* pointer recognition. */ - /* MUST BE 0 or 1. */ - -GC_API int GC_quiet; /* Disable statistics output. Only matters if */ - /* collector has been compiled with statistics */ - /* enabled. This involves a performance cost, */ - /* and is thus not the default. */ - -GC_API int GC_finalize_on_demand; - /* If nonzero, finalizers will only be run in */ - /* response to an explicit 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 void (* GC_finalizer_notifier) GC_PROTO((void)); - /* Invoked by the collector when there are */ - /* objects to be finalized. Invoked at most */ - /* once per GC cycle. Never invoked unless */ - /* GC_finalize_on_demand is set. */ - /* Typically this will notify a finalization */ - /* thread, which will call GC_invoke_finalizers */ - /* in response. */ - -GC_API int GC_dont_gc; /* != 0 ==> Dont collect. In versions 6.2a1+, */ - /* this overrides explicit GC_gcollect() calls. */ - /* Used as a counter, so that nested enabling */ - /* and disabling work correctly. Should */ - /* normally be updated with GC_enable() and */ - /* GC_disable() calls. */ - /* Direct assignment to GC_dont_gc is */ - /* deprecated. */ - -GC_API int GC_dont_expand; - /* Dont expand heap unless explicitly requested */ - /* 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 */ - /* full collections. Matters only if */ - /* 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; - /* Bytes not considered candidates for collection. */ - /* Used only to control scheduling of collections. */ - /* Updated by GC_malloc_uncollectable and GC_free. */ - /* Wizards only. */ - -GC_API int GC_no_dls; - /* Don't register dynamic library data segments. */ - /* Wizards only. Should be used only if the */ - /* application explicitly registers all roots. */ - /* In Microsoft Windows environments, this will */ - /* usually also prevent registration of the */ - /* main data segment as part of the root set. */ - -GC_API GC_word GC_free_space_divisor; - /* We try to make sure that we allocate at */ - /* least N/GC_free_space_divisor bytes between */ - /* collections, where N is the heap size plus */ - /* a rough estimate of the root set size. */ - /* Initially, GC_free_space_divisor = 3. */ - /* Increasing its value will use less space */ - /* but more collection time. Decreasing it */ - /* will appreciably decrease collection time */ - /* at the expense of space. */ - /* GC_free_space_divisor = 1 will effectively */ - /* disable collections. */ - -GC_API GC_word GC_max_retries; - /* The maximum number of GCs attempted before */ - /* reporting out of memory after heap */ - /* expansion fails. Initially 0. */ - - -GC_API char *GC_stackbottom; /* Cool end of user stack. */ - /* May be set in the client prior to */ - /* calling any GC_ routines. This */ - /* avoids some overhead, and */ - /* potentially some signals that can */ - /* confuse debuggers. Otherwise the */ - /* collector attempts to set it */ - /* automatically. */ - /* For multithreaded code, this is the */ - /* cold end of the stack for the */ - /* primordial thread. */ - -GC_API int GC_dont_precollect; /* Don't collect as part of */ - /* initialization. Should be set only */ - /* if the client wants a chance to */ - /* manually initialize the root set */ - /* before the first collection. */ - /* Interferes with blacklisting. */ - /* Wizards only. */ - -/* Public procedures */ - -/* Initialize the collector. This is only required when using thread-local - * allocation, since unlike the regular allocation routines, GC_local_malloc - * is not self-initializing. If you use GC_local_malloc you should arrange - * to call this somehow (e.g. from a constructor) before doing any allocation. - */ -GC_API void GC_init GC_PROTO((void)); - -GC_API unsigned long GC_time_limit; - /* If incremental collection is enabled, */ - /* We try to terminate collections */ - /* after this many milliseconds. Not a */ - /* hard time bound. Setting this to */ - /* GC_TIME_UNLIMITED will essentially */ - /* disable incremental collection while */ - /* leaving generational collection */ - /* enabled. */ -# define GC_TIME_UNLIMITED 999999 - /* Setting GC_time_limit to this value */ - /* will disable the "pause time exceeded"*/ - /* tests. */ - -/* Public procedures */ - -/* Initialize the collector. This is only required when using thread-local - * allocation, since unlike the regular allocation routines, GC_local_malloc - * is not self-initializing. If you use GC_local_malloc you should arrange - * to call this somehow (e.g. from a constructor) before doing any allocation. - * For win32 threads, it needs to be called explicitly. - */ -GC_API void GC_init GC_PROTO((void)); - -/* - * general purpose allocation routines, with roughly malloc calling conv. - * The atomic versions promise that no relevant pointers are contained - * in the object. The nonatomic versions guarantee that the new object - * is cleared. GC_malloc_stubborn promises that no changes to the object - * will occur after GC_end_stubborn_change has been called on the - * result of GC_malloc_stubborn. GC_malloc_uncollectable allocates an object - * that is scanned for pointers to collectable objects, but is not itself - * collectable. The object is scanned even if it does not appear to - * be reachable. GC_malloc_uncollectable and GC_free called on the resulting - * object implicitly update GC_non_gc_bytes appropriately. - * - * Note that the GC_malloc_stubborn support is stubbed out by default - * starting in 6.0. GC_malloc_stubborn is an alias for GC_malloc unless - * the collector is built with STUBBORN_ALLOC defined. - */ -GC_API GC_PTR GC_malloc GC_PROTO((size_t size_in_bytes)); -GC_API GC_PTR GC_malloc_atomic GC_PROTO((size_t size_in_bytes)); -GC_API GC_PTR GC_malloc_uncollectable GC_PROTO((size_t size_in_bytes)); -GC_API GC_PTR GC_malloc_stubborn GC_PROTO((size_t size_in_bytes)); - -/* The following is only defined if the library has been suitably */ -/* compiled: */ -GC_API GC_PTR GC_malloc_atomic_uncollectable GC_PROTO((size_t size_in_bytes)); - -/* Explicitly deallocate an object. Dangerous if used incorrectly. */ -/* Requires a pointer to the base of an object. */ -/* If the argument is stubborn, it should not be changeable when freed. */ -/* An object should not be enable for finalization when it is */ -/* explicitly deallocated. */ -/* GC_free(0) is a no-op, as required by ANSI C for free. */ -GC_API void GC_free GC_PROTO((GC_PTR object_addr)); - -/* - * Stubborn objects may be changed only if the collector is explicitly informed. - * The collector is implicitly informed of coming change when such - * an object is first allocated. The following routines inform the - * collector that an object will no longer be changed, or that it will - * once again be changed. Only nonNIL pointer stores into the object - * are considered to be changes. The argument to GC_end_stubborn_change - * must be exacly the value returned by GC_malloc_stubborn or passed to - * GC_change_stubborn. (In the second case it may be an interior pointer - * within 512 bytes of the beginning of the objects.) - * There is a performance penalty for allowing more than - * one stubborn object to be changed at once, but it is acceptable to - * do so. The same applies to dropping stubborn objects that are still - * changeable. - */ -GC_API void GC_change_stubborn GC_PROTO((GC_PTR)); -GC_API void GC_end_stubborn_change GC_PROTO((GC_PTR)); - -/* Return a pointer to the base (lowest address) of an object given */ -/* a pointer to a location within the object. */ -/* I.e. map an interior pointer to the corresponding bas pointer. */ -/* Note that with debugging allocation, this returns a pointer to the */ -/* actual base of the object, i.e. the debug information, not to */ -/* the base of the user object. */ -/* Return 0 if displaced_pointer doesn't point to within a valid */ -/* object. */ -/* Note that a deallocated object in the garbage collected heap */ -/* may be considered valid, even if it has been deallocated with */ -/* GC_free. */ -GC_API GC_PTR GC_base GC_PROTO((GC_PTR displaced_pointer)); - -/* Given a pointer to the base of an object, return its size in bytes. */ -/* The returned size may be slightly larger than what was originally */ -/* requested. */ -GC_API size_t GC_size GC_PROTO((GC_PTR object_addr)); - -/* For compatibility with C library. This is occasionally faster than */ -/* a malloc followed by a bcopy. But if you rely on that, either here */ -/* or with the standard C library, your code is broken. In my */ -/* opinion, it shouldn't have been invented, but now we're stuck. -HB */ -/* The resulting object has the same kind as the original. */ -/* If the argument is stubborn, the result will have changes enabled. */ -/* It is an error to have changes enabled for the original object. */ -/* Follows ANSI comventions for NULL old_object. */ -GC_API GC_PTR GC_realloc - GC_PROTO((GC_PTR old_object, size_t new_size_in_bytes)); - -/* Explicitly increase the heap size. */ -/* Returns 0 on failure, 1 on success. */ -GC_API int GC_expand_hp GC_PROTO((size_t number_of_bytes)); - -/* Limit the heap size to n bytes. Useful when you're debugging, */ -/* especially on systems that don't handle running out of memory well. */ -/* n == 0 ==> unbounded. This is the default. */ -GC_API void GC_set_max_heap_size GC_PROTO((GC_word n)); - -/* Inform the collector that a certain section of statically allocated */ -/* memory contains no pointers to garbage collected memory. Thus it */ -/* need not be scanned. This is sometimes important if the application */ -/* maps large read/write files into the address space, which could be */ -/* mistaken for dynamic library data segments on some systems. */ -GC_API void GC_exclude_static_roots GC_PROTO((GC_PTR start, GC_PTR finish)); - -/* Clear the set of root segments. Wizards only. */ -GC_API void GC_clear_roots GC_PROTO((void)); - -/* Add a root segment. Wizards only. */ -GC_API void GC_add_roots GC_PROTO((char * low_address, - char * high_address_plus_1)); - -/* Remove a root segment. Wizards only. */ -GC_API void GC_remove_roots GC_PROTO((char * low_address, - char * high_address_plus_1)); - -/* Add a displacement to the set of those considered valid by the */ -/* collector. GC_register_displacement(n) means that if p was returned */ -/* by GC_malloc, then (char *)p + n will be considered to be a valid */ -/* pointer to p. N must be small and less than the size of p. */ -/* (All pointers to the interior of objects from the stack are */ -/* considered valid in any case. This applies to heap objects and */ -/* static data.) */ -/* Preferably, this should be called before any other GC procedures. */ -/* Calling it later adds to the probability of excess memory */ -/* retention. */ -/* This is a no-op if the collector has recognition of */ -/* arbitrary interior pointers enabled, which is now the default. */ -GC_API void GC_register_displacement GC_PROTO((GC_word n)); - -/* The following version should be used if any debugging allocation is */ -/* being done. */ -GC_API void GC_debug_register_displacement GC_PROTO((GC_word n)); - -/* Explicitly trigger a full, world-stop collection. */ -GC_API void GC_gcollect GC_PROTO((void)); - -/* Trigger a full world-stopped collection. Abort the collection if */ -/* and when stop_func returns a nonzero value. Stop_func will be */ -/* called frequently, and should be reasonably fast. This works even */ -/* if virtual dirty bits, and hence incremental collection is not */ -/* available for this architecture. Collections can be aborted faster */ -/* than normal pause times for incremental collection. However, */ -/* aborted collections do no useful work; the next collection needs */ -/* to start from the beginning. */ -/* Return 0 if the collection was aborted, 1 if it succeeded. */ -typedef int (* GC_stop_func) GC_PROTO((void)); -GC_API int GC_try_to_collect GC_PROTO((GC_stop_func stop_func)); - -/* Return the number of bytes in the heap. Excludes collector private */ -/* data structures. Includes empty blocks and fragmentation loss. */ -/* Includes some pages that were allocated but never written. */ -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. */ -GC_API size_t GC_get_bytes_since_gc GC_PROTO((void)); - -/* Return the total number of bytes allocated in this process. */ -/* Never decreases, except due to wrapping. */ -GC_API size_t GC_get_total_bytes GC_PROTO((void)); - -/* Disable garbage collection. Even GC_gcollect calls will be */ -/* ineffective. */ -GC_API void GC_disable GC_PROTO((void)); - -/* Reenable garbage collection. GC_disable() and GC_enable() calls */ -/* nest. Garbage collection is enabled if the number of calls to both */ -/* both functions is equal. */ -GC_API void GC_enable GC_PROTO((void)); - -/* Enable incremental/generational collection. */ -/* Not advisable unless dirty bits are */ -/* available or most heap objects are */ -/* pointerfree(atomic) or immutable. */ -/* Don't use in leak finding mode. */ -/* Ignored if GC_dont_gc is true. */ -/* Only the generational piece of this is */ -/* functional if GC_parallel is TRUE */ -/* or if GC_time_limit is GC_TIME_UNLIMITED. */ -/* Causes GC_local_gcj_malloc() to revert to */ -/* locked allocation. Must be called */ -/* before any GC_local_gcj_malloc() calls. */ -GC_API void GC_enable_incremental GC_PROTO((void)); - -/* Does incremental mode write-protect pages? Returns zero or */ -/* more of the following, or'ed together: */ -#define GC_PROTECTS_POINTER_HEAP 1 /* May protect non-atomic objs. */ -#define GC_PROTECTS_PTRFREE_HEAP 2 -#define GC_PROTECTS_STATIC_DATA 4 /* Curently never. */ -#define GC_PROTECTS_STACK 8 /* Probably impractical. */ - -#define GC_PROTECTS_NONE 0 -GC_API int GC_incremental_protection_needs GC_PROTO((void)); - -/* Perform some garbage collection work, if appropriate. */ -/* Return 0 if there is no more work to be done. */ -/* Typically performs an amount of work corresponding roughly */ -/* to marking from one page. May do more work if further */ -/* progress requires it, e.g. if incremental collection is */ -/* disabled. It is reasonable to call this in a wait loop */ -/* until it returns 0. */ -GC_API int GC_collect_a_little GC_PROTO((void)); - -/* Allocate an object of size lb bytes. The client guarantees that */ -/* as long as the object is live, it will be referenced by a pointer */ -/* that points to somewhere within the first 256 bytes of the object. */ -/* (This should normally be declared volatile to prevent the compiler */ -/* from invalidating this assertion.) This routine is only useful */ -/* if a large array is being allocated. It reduces the chance of */ -/* accidentally retaining such an array as a result of scanning an */ -/* integer that happens to be an address inside the array. (Actually, */ -/* it reduces the chance of the allocator not finding space for such */ -/* an array, since it will try hard to avoid introducing such a false */ -/* reference.) On a SunOS 4.X or MS Windows system this is recommended */ -/* for arrays likely to be larger than 100K or so. For other systems, */ -/* or if the collector is not configured to recognize all interior */ -/* pointers, the threshold is normally much higher. */ -GC_API GC_PTR GC_malloc_ignore_off_page GC_PROTO((size_t lb)); -GC_API GC_PTR GC_malloc_atomic_ignore_off_page GC_PROTO((size_t lb)); - -#if defined(__sgi) && !defined(__GNUC__) && _COMPILER_VERSION >= 720 -# define GC_ADD_CALLER -# define GC_RETURN_ADDR (GC_word)__return_address -#endif - -#if defined(__linux__) || defined(__GLIBC__) -# include <features.h> -# if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1 || __GLIBC__ > 2) \ - && !defined(__ia64__) -# ifndef GC_HAVE_BUILTIN_BACKTRACE -# define GC_HAVE_BUILTIN_BACKTRACE -# endif -# endif -# if defined(__i386__) || defined(__x86_64__) -# define GC_CAN_SAVE_CALL_STACKS -# endif -#endif - -#if defined(GC_HAVE_BUILTIN_BACKTRACE) && !defined(GC_CAN_SAVE_CALL_STACKS) -# define GC_CAN_SAVE_CALL_STACKS -#endif - -#if defined(__sparc__) -# define GC_CAN_SAVE_CALL_STACKS -#endif - -/* If we're on an a platform on which we can't save call stacks, but */ -/* gcc is normally used, we go ahead and define GC_ADD_CALLER. */ -/* We make this decision independent of whether gcc is actually being */ -/* used, in order to keep the interface consistent, and allow mixing */ -/* of compilers. */ -/* This may also be desirable if it is possible but expensive to */ -/* retrieve the call chain. */ -#if (defined(__linux__) || defined(__NetBSD__) || defined(__OpenBSD__) \ - || defined(__FreeBSD__)) & !defined(GC_CAN_SAVE_CALL_STACKS) -# define GC_ADD_CALLER -# if __GNUC__ >= 3 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95) - /* gcc knows how to retrieve return address, but we don't know */ - /* how to generate call stacks. */ -# define GC_RETURN_ADDR (GC_word)__builtin_return_address(0) -# else - /* Just pass 0 for gcc compatibility. */ -# define GC_RETURN_ADDR 0 -# endif -#endif - -#ifdef GC_ADD_CALLER -# define GC_EXTRAS GC_RETURN_ADDR, __FILE__, __LINE__ -# define GC_EXTRA_PARAMS GC_word ra, GC_CONST char * s, int i -#else -# define GC_EXTRAS __FILE__, __LINE__ -# define GC_EXTRA_PARAMS GC_CONST char * s, int i -#endif - -/* Debugging (annotated) allocation. GC_gcollect will check */ -/* objects allocated in this way for overwrites, etc. */ -GC_API GC_PTR GC_debug_malloc - GC_PROTO((size_t size_in_bytes, GC_EXTRA_PARAMS)); -GC_API GC_PTR GC_debug_malloc_atomic - GC_PROTO((size_t size_in_bytes, GC_EXTRA_PARAMS)); -GC_API GC_PTR GC_debug_malloc_uncollectable - GC_PROTO((size_t size_in_bytes, GC_EXTRA_PARAMS)); -GC_API GC_PTR GC_debug_malloc_stubborn - GC_PROTO((size_t size_in_bytes, GC_EXTRA_PARAMS)); -GC_API GC_PTR GC_debug_malloc_ignore_off_page - GC_PROTO((size_t size_in_bytes, GC_EXTRA_PARAMS)); -GC_API GC_PTR GC_debug_malloc_atomic_ignore_off_page - GC_PROTO((size_t size_in_bytes, GC_EXTRA_PARAMS)); -GC_API void GC_debug_free GC_PROTO((GC_PTR object_addr)); -GC_API GC_PTR GC_debug_realloc - GC_PROTO((GC_PTR old_object, size_t new_size_in_bytes, - GC_EXTRA_PARAMS)); -GC_API void GC_debug_change_stubborn GC_PROTO((GC_PTR)); -GC_API void GC_debug_end_stubborn_change GC_PROTO((GC_PTR)); - -/* Routines that allocate objects with debug information (like the */ -/* above), but just fill in dummy file and line number information. */ -/* Thus they can serve as drop-in malloc/realloc replacements. This */ -/* can be useful for two reasons: */ -/* 1) It allows the collector to be built with DBG_HDRS_ALL defined */ -/* even if some allocation calls come from 3rd party libraries */ -/* that can't be recompiled. */ -/* 2) On some platforms, the file and line information is redundant, */ -/* since it can be reconstructed from a stack trace. On such */ -/* platforms it may be more convenient not to recompile, e.g. for */ -/* leak detection. This can be accomplished by instructing the */ -/* linker to replace malloc/realloc with these. */ -GC_API GC_PTR GC_debug_malloc_replacement GC_PROTO((size_t size_in_bytes)); -GC_API GC_PTR GC_debug_realloc_replacement - GC_PROTO((GC_PTR object_addr, size_t size_in_bytes)); - -# ifdef GC_DEBUG -# define GC_MALLOC(sz) GC_debug_malloc(sz, GC_EXTRAS) -# define GC_MALLOC_ATOMIC(sz) GC_debug_malloc_atomic(sz, GC_EXTRAS) -# define GC_MALLOC_UNCOLLECTABLE(sz) \ - GC_debug_malloc_uncollectable(sz, GC_EXTRAS) -# define GC_MALLOC_IGNORE_OFF_PAGE(sz) \ - GC_debug_malloc_ignore_off_page(sz, GC_EXTRAS) -# define GC_MALLOC_ATOMIC_IGNORE_OFF_PAGE(sz) \ - GC_debug_malloc_atomic_ignore_off_page(sz, GC_EXTRAS) -# define GC_REALLOC(old, sz) GC_debug_realloc(old, sz, GC_EXTRAS) -# define GC_FREE(p) GC_debug_free(p) -# define GC_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) \ - 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_REGISTER_FINALIZER_UNREACHABLE(p, f, d, of, od) \ - GC_debug_register_finalizer_unreachable(p, f, d, of, od) -# define GC_MALLOC_STUBBORN(sz) GC_debug_malloc_stubborn(sz, GC_EXTRAS); -# define GC_CHANGE_STUBBORN(p) GC_debug_change_stubborn(p) -# define GC_END_STUBBORN_CHANGE(p) GC_debug_end_stubborn_change(p) -# define GC_GENERAL_REGISTER_DISAPPEARING_LINK(link, obj) \ - GC_general_register_disappearing_link(link, GC_base(obj)) -# define GC_REGISTER_DISPLACEMENT(n) GC_debug_register_displacement(n) -# else -# define GC_MALLOC(sz) GC_malloc(sz) -# define GC_MALLOC_ATOMIC(sz) GC_malloc_atomic(sz) -# define GC_MALLOC_UNCOLLECTABLE(sz) GC_malloc_uncollectable(sz) -# define GC_MALLOC_IGNORE_OFF_PAGE(sz) \ - GC_malloc_ignore_off_page(sz) -# define GC_MALLOC_ATOMIC_IGNORE_OFF_PAGE(sz) \ - GC_malloc_atomic_ignore_off_page(sz) -# define GC_REALLOC(old, sz) GC_realloc(old, sz) -# define GC_FREE(p) GC_free(p) -# define 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) \ - 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_REGISTER_FINALIZER_UNREACHABLE(p, f, d, of, od) \ - GC_register_finalizer_unreachable(p, f, d, of, od) -# define GC_MALLOC_STUBBORN(sz) GC_malloc_stubborn(sz) -# define GC_CHANGE_STUBBORN(p) GC_change_stubborn(p) -# define GC_END_STUBBORN_CHANGE(p) GC_end_stubborn_change(p) -# define GC_GENERAL_REGISTER_DISAPPEARING_LINK(link, obj) \ - GC_general_register_disappearing_link(link, obj) -# define GC_REGISTER_DISPLACEMENT(n) GC_register_displacement(n) -# endif -/* The following are included because they are often convenient, and */ -/* reduce the chance for a misspecifed size argument. But calls may */ -/* expand to something syntactically incorrect if t is a complicated */ -/* type expression. */ -# define GC_NEW(t) (t *)GC_MALLOC(sizeof (t)) -# define GC_NEW_ATOMIC(t) (t *)GC_MALLOC_ATOMIC(sizeof (t)) -# define GC_NEW_STUBBORN(t) (t *)GC_MALLOC_STUBBORN(sizeof (t)) -# define GC_NEW_UNCOLLECTABLE(t) (t *)GC_MALLOC_UNCOLLECTABLE(sizeof (t)) - -/* Finalization. Some of these primitives are grossly unsafe. */ -/* The idea is to make them both cheap, and sufficient to build */ -/* a safer layer, closer to Modula-3, Java, or PCedar finalization. */ -/* The interface represents my conclusions from a long discussion */ -/* with Alan Demers, Dan Greene, Carl Hauser, Barry Hayes, */ -/* Christian Jacobi, and Russ Atkinson. It's not perfect, and */ -/* probably nobody else agrees with it. Hans-J. Boehm 3/13/92 */ -typedef void (*GC_finalization_proc) - GC_PROTO((GC_PTR obj, GC_PTR client_data)); - -GC_API void GC_register_finalizer - 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 - GC_PROTO((GC_PTR obj, GC_finalization_proc fn, GC_PTR cd, - GC_finalization_proc *ofn, GC_PTR *ocd)); - /* When obj is no longer accessible, invoke */ - /* (*fn)(obj, cd). If a and b are inaccessible, and */ - /* a points to b (after disappearing links have been */ - /* made to disappear), then only a will be */ - /* finalized. (If this does not create any new */ - /* pointers to b, then b will be finalized after the */ - /* next collection.) Any finalizable object that */ - /* is reachable from itself by following one or more */ - /* pointers will not be finalized (or collected). */ - /* Thus cycles involving finalizable objects should */ - /* be avoided, or broken by disappearing links. */ - /* All but the last finalizer registered for an object */ - /* is ignored. */ - /* Finalization may be removed by passing 0 as fn. */ - /* Finalizers are implicitly unregistered just before */ - /* they are invoked. */ - /* The old finalizer and client data are stored in */ - /* *ofn and *ocd. */ - /* Fn is never invoked on an accessible object, */ - /* provided hidden pointers are converted to real */ - /* pointers only if the allocation lock is held, and */ - /* such conversions are not performed by finalization */ - /* routines. */ - /* If GC_register_finalizer is aborted as a result of */ - /* a signal, the object may be left with no */ - /* finalization, even if neither the old nor new */ - /* finalizer were NULL. */ - /* Obj should be the nonNULL starting address of an */ - /* object allocated by GC_malloc or friends. */ - /* Note that any garbage collectable object referenced */ - /* by cd will be considered accessible until the */ - /* finalizer is invoked. */ - -/* Another versions of the above follow. It ignores */ -/* self-cycles, i.e. pointers from a finalizable object to */ -/* itself. There is a stylistic argument that this is wrong, */ -/* but it's unavoidable for C++, since the compiler may */ -/* silently introduce these. It's also benign in that specific */ -/* case. And it helps if finalizable objects are split to */ -/* avoid cycles. */ -/* Note that cd will still be viewed as accessible, even if it */ -/* refers to the object itself. */ -GC_API void GC_register_finalizer_ignore_self - 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_ignore_self - GC_PROTO((GC_PTR obj, GC_finalization_proc fn, GC_PTR cd, - 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. */ -/* Note that cd will still be viewed as accessible, even if it */ -/* refers to the object itself. */ -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)); - -/* This is a special finalizer that is useful when an object's */ -/* finalizer must be run when the object is known to be no */ -/* longer reachable, not even from other finalizable objects. */ -/* This can be used in combination with finalizer_no_order so */ -/* as to release resources that must not be released while an */ -/* object can still be brought back to life by other */ -/* finalizers. */ -GC_API void GC_register_finalizer_unreachable - 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_unreachable - 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 */ -/* finalizable objects, thus causing cyclic finalizable */ -/* objects to be finalized in the correct order. Standard */ -/* use involves calling GC_register_disappearing_link(&p), */ -/* where p is a pointer that is not followed by finalization */ -/* code, and should not be considered in determining */ -/* finalization order. */ -GC_API int GC_register_disappearing_link GC_PROTO((GC_PTR * /* link */)); - /* Link should point to a field of a heap allocated */ - /* object obj. *link will be cleared when obj is */ - /* found to be inaccessible. This happens BEFORE any */ - /* finalization code is invoked, and BEFORE any */ - /* decisions about finalization order are made. */ - /* This is useful in telling the finalizer that */ - /* some pointers are not essential for proper */ - /* finalization. This may avoid finalization cycles. */ - /* Note that obj may be resurrected by another */ - /* finalizer, and thus the clearing of *link may */ - /* be visible to non-finalization code. */ - /* There's an argument that an arbitrary action should */ - /* be allowed here, instead of just clearing a pointer. */ - /* But this causes problems if that action alters, or */ - /* examines connectivity. */ - /* Returns 1 if link was already registered, 0 */ - /* otherwise. */ - /* Only exists for backward compatibility. See below: */ - -GC_API int GC_general_register_disappearing_link - GC_PROTO((GC_PTR * /* link */, GC_PTR obj)); - /* A slight generalization of the above. *link is */ - /* cleared when obj first becomes inaccessible. This */ - /* can be used to implement weak pointers easily and */ - /* safely. Typically link will point to a location */ - /* holding a disguised pointer to obj. (A pointer */ - /* inside an "atomic" object is effectively */ - /* disguised.) In this way soft */ - /* pointers are broken before any object */ - /* reachable from them are finalized. Each link */ - /* May be registered only once, i.e. with one obj */ - /* value. This was added after a long email discussion */ - /* with John Ellis. */ - /* Obj must be a pointer to the first word of an object */ - /* we allocated. It is unsafe to explicitly deallocate */ - /* the object containing link. Explicitly deallocating */ - /* obj may or may not cause link to eventually be */ - /* cleared. */ -GC_API int GC_unregister_disappearing_link GC_PROTO((GC_PTR * /* link */)); - /* Returns 0 if link was not actually registered. */ - /* Undoes a registration by either of the above two */ - /* routines. */ - -/* 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)); - /* Run finalizers for all objects that are ready to */ - /* be finalized. Return the number of finalizers */ - /* that were run. Normally this is also called */ - /* implicitly during some allocations. If */ - /* GC-finalize_on_demand is nonzero, it must be called */ - /* explicitly. */ - -/* GC_set_warn_proc can be used to redirect or filter warning messages. */ -/* p may not be a NULL pointer. */ -typedef void (*GC_warn_proc) GC_PROTO((char *msg, GC_word arg)); -GC_API GC_warn_proc GC_set_warn_proc GC_PROTO((GC_warn_proc p)); - /* Returns old warning procedure. */ - -GC_API GC_word GC_set_free_space_divisor GC_PROTO((GC_word value)); - /* Set free_space_divisor. See above for definition. */ - /* Returns old value. */ - -/* The following is intended to be used by a higher level */ -/* (e.g. Java-like) finalization facility. It is expected */ -/* that finalization code will arrange for hidden pointers to */ -/* disappear. Otherwise objects can be accessed after they */ -/* have been collected. */ -/* Note that putting pointers in atomic objects or in */ -/* nonpointer slots of "typed" objects is equivalent to */ -/* disguising them in this way, and may have other advantages. */ -# if defined(I_HIDE_POINTERS) || defined(GC_I_HIDE_POINTERS) - typedef GC_word GC_hidden_pointer; -# define HIDE_POINTER(p) (~(GC_hidden_pointer)(p)) -# define REVEAL_POINTER(p) ((GC_PTR)(HIDE_POINTER(p))) - /* Converting a hidden pointer to a real pointer requires verifying */ - /* that the object still exists. This involves acquiring the */ - /* allocator lock to avoid a race with the collector. */ -# endif /* I_HIDE_POINTERS */ - -typedef GC_PTR (*GC_fn_type) GC_PROTO((GC_PTR client_data)); -GC_API GC_PTR GC_call_with_alloc_lock - GC_PROTO((GC_fn_type fn, GC_PTR client_data)); - -/* The following routines are primarily intended for use with a */ -/* preprocessor which inserts calls to check C pointer arithmetic. */ -/* They indicate failure by invoking the corresponding _print_proc. */ - -/* Check that p and q point to the same object. */ -/* Fail conspicuously if they don't. */ -/* Returns the first argument. */ -/* Succeeds if neither p nor q points to the heap. */ -/* May succeed if both p and q point to between heap objects. */ -GC_API GC_PTR GC_same_obj GC_PROTO((GC_PTR p, GC_PTR q)); - -/* Checked pointer pre- and post- increment operations. Note that */ -/* the second argument is in units of bytes, not multiples of the */ -/* object size. This should either be invoked from a macro, or the */ -/* call should be automatically generated. */ -GC_API GC_PTR GC_pre_incr GC_PROTO((GC_PTR *p, size_t how_much)); -GC_API GC_PTR GC_post_incr GC_PROTO((GC_PTR *p, size_t how_much)); - -/* Check that p is visible */ -/* to the collector as a possibly pointer containing location. */ -/* If it isn't fail conspicuously. */ -/* Returns the argument in all cases. May erroneously succeed */ -/* in hard cases. (This is intended for debugging use with */ -/* untyped allocations. The idea is that it should be possible, though */ -/* slow, to add such a call to all indirect pointer stores.) */ -/* Currently useless for multithreaded worlds. */ -GC_API GC_PTR GC_is_visible GC_PROTO((GC_PTR p)); - -/* Check that if p is a pointer to a heap page, then it points to */ -/* a valid displacement within a heap object. */ -/* Fail conspicuously if this property does not hold. */ -/* Uninteresting with GC_all_interior_pointers. */ -/* Always returns its argument. */ -GC_API GC_PTR GC_is_valid_displacement GC_PROTO((GC_PTR p)); - -/* Safer, but slow, pointer addition. Probably useful mainly with */ -/* a preprocessor. Useful only for heap pointers. */ -#ifdef GC_DEBUG -# define GC_PTR_ADD3(x, n, type_of_result) \ - ((type_of_result)GC_same_obj((x)+(n), (x))) -# define GC_PRE_INCR3(x, n, type_of_result) \ - ((type_of_result)GC_pre_incr(&(x), (n)*sizeof(*x)) -# define GC_POST_INCR2(x, type_of_result) \ - ((type_of_result)GC_post_incr(&(x), sizeof(*x)) -# ifdef __GNUC__ -# define GC_PTR_ADD(x, n) \ - GC_PTR_ADD3(x, n, typeof(x)) -# define GC_PRE_INCR(x, n) \ - GC_PRE_INCR3(x, n, typeof(x)) -# define GC_POST_INCR(x, n) \ - GC_POST_INCR3(x, typeof(x)) -# else - /* We can't do this right without typeof, which ANSI */ - /* decided was not sufficiently useful. Repeatedly */ - /* mentioning the arguments seems too dangerous to be */ - /* useful. So does not casting the result. */ -# define GC_PTR_ADD(x, n) ((x)+(n)) -# endif -#else /* !GC_DEBUG */ -# define GC_PTR_ADD3(x, n, type_of_result) ((x)+(n)) -# define GC_PTR_ADD(x, n) ((x)+(n)) -# define GC_PRE_INCR3(x, n, type_of_result) ((x) += (n)) -# define GC_PRE_INCR(x, n) ((x) += (n)) -# define GC_POST_INCR2(x, n, type_of_result) ((x)++) -# define GC_POST_INCR(x, n) ((x)++) -#endif - -/* Safer assignment of a pointer to a nonstack location. */ -#ifdef GC_DEBUG -# if defined(__STDC__) || defined(_AIX) -# define GC_PTR_STORE(p, q) \ - (*(void **)GC_is_visible(p) = GC_is_valid_displacement(q)) -# else -# define GC_PTR_STORE(p, q) \ - (*(char **)GC_is_visible(p) = GC_is_valid_displacement(q)) -# endif -#else /* !GC_DEBUG */ -# define GC_PTR_STORE(p, q) *((p) = (q)) -#endif - -/* Functions called to report pointer checking errors */ -GC_API void (*GC_same_obj_print_proc) GC_PROTO((GC_PTR p, GC_PTR q)); - -GC_API void (*GC_is_valid_displacement_print_proc) - GC_PROTO((GC_PTR p)); - -GC_API void (*GC_is_visible_print_proc) - GC_PROTO((GC_PTR p)); - - -/* For pthread support, we generally need to intercept a number of */ -/* thread library calls. We do that here by macro defining them. */ - -#if !defined(GC_USE_LD_WRAP) && \ - (defined(GC_PTHREADS) || defined(GC_SOLARIS_THREADS)) -# include "gc_pthread_redirects.h" -#endif - -# if defined(PCR) || defined(GC_SOLARIS_THREADS) || \ - defined(GC_PTHREADS) || defined(GC_WIN32_THREADS) - /* Any flavor of threads except SRC_M3. */ - -/* Register the current thread as a new thread whose stack(s) should */ -/* be traced by the GC. */ -/* If a platform does not implicitly do so, this must be called before */ -/* a thread can allocate garbage collected memory, or assign pointers */ -/* to the garbage collected heap. Once registered, a thread will be */ -/* stopped during garbage collections. */ -GC_API void GC_register_my_thread GC_PROTO((void)); - -/* Register the current thread, with the indicated stack base, as */ -/* a new thread whose stack(s) should be traced by the GC. If a */ -/* platform does not implicitly do so, this must be called before a */ -/* thread can allocate garbage collected memory, or assign pointers */ -/* to the garbage collected heap. Once registered, a thread will be */ -/* stopped during garbage collections. */ -GC_API void GC_unregister_my_thread GC_PROTO((void)); - -GC_API GC_PTR GC_get_thread_stack_base GC_PROTO((void)); - -/* This returns a list of objects, linked through their first */ -/* word. Its use can greatly reduce lock contention problems, since */ -/* the allocation lock can be acquired and released many fewer times. */ -/* lb must be large enough to hold the pointer field. */ -/* It is used internally by gc_local_alloc.h, which provides a simpler */ -/* programming interface on Linux. */ -GC_PTR GC_malloc_many(size_t lb); -#define GC_NEXT(p) (*(GC_PTR *)(p)) /* Retrieve the next element */ - /* in returned list. */ -extern void GC_thr_init GC_PROTO((void));/* Needed for Solaris/X86 */ - -#endif /* THREADS && !SRC_M3 */ - -/* Register a callback to control the scanning of dynamic libraries. - When the GC scans the static data of a dynamic library, it will - first call a user-supplied routine with filename of the library and - the address and length of the memory region. This routine should - return nonzero if that region should be scanned. */ -GC_API void GC_register_has_static_roots_callback - (int (*callback)(const char *, void *, size_t)); - - -#if defined(GC_WIN32_THREADS) && !defined(__CYGWIN32__) && !defined(__CYGWIN__) -# include <windows.h> - - /* - * All threads must be created using GC_CreateThread, so that they will be - * recorded in the thread table. For backwards compatibility, this is not - * technically true if the GC is built as a dynamic library, since it can - * and does then use DllMain to keep track of thread creations. But new code - * should be built to call GC_CreateThread. - */ - GC_API HANDLE WINAPI GC_CreateThread( - LPSECURITY_ATTRIBUTES lpThreadAttributes, - DWORD dwStackSize, LPTHREAD_START_ROUTINE lpStartAddress, - LPVOID lpParameter, DWORD dwCreationFlags, LPDWORD lpThreadId ); - -# if defined(_WIN32_WCE) - /* - * win32_threads.c implements the real WinMain, which will start a new thread - * to call GC_WinMain after initializing the garbage collector. - */ - int WINAPI GC_WinMain( - HINSTANCE hInstance, - HINSTANCE hPrevInstance, - LPWSTR lpCmdLine, - int nCmdShow ); - -# ifndef GC_BUILD -# define WinMain GC_WinMain -# define CreateThread GC_CreateThread -# endif -# endif /* defined(_WIN32_WCE) */ - -#endif /* defined(GC_WIN32_THREADS) && !cygwin */ - - /* - * Fully portable code should call GC_INIT() from the main program - * before making any other GC_ calls. On most platforms this is a - * no-op and the collector self-initializes. But a number of platforms - * make that too hard. - */ -#if (defined(sparc) || defined(__sparc)) && defined(sun) - /* - * If you are planning on putting - * the collector in a SunOS 5 dynamic library, you need to call GC_INIT() - * from the statically loaded program section. - * This circumvents a Solaris 2.X (X<=4) linker bug. - */ -# define GC_INIT() { extern end, etext; \ - GC_noop(&end, &etext); } -#else -# if defined(__CYGWIN32__) || defined (_AIX) - /* - * Similarly gnu-win32 DLLs need explicit initialization from - * the main program, as does AIX. - */ -# ifdef __CYGWIN32__ - extern int _data_start__[]; - extern int _data_end__[]; - extern int _bss_start__[]; - extern int _bss_end__[]; -# define GC_MAX(x,y) ((x) > (y) ? (x) : (y)) -# define GC_MIN(x,y) ((x) < (y) ? (x) : (y)) -# define GC_DATASTART ((GC_PTR) GC_MIN(_data_start__, _bss_start__)) -# define GC_DATAEND ((GC_PTR) GC_MAX(_data_end__, _bss_end__)) -# ifdef GC_DLL -# define GC_INIT() { GC_add_roots(GC_DATASTART, GC_DATAEND); } -# else -# define GC_INIT() -# endif -# endif -# if defined(_AIX) - extern int _data[], _end[]; -# define GC_DATASTART ((GC_PTR)((ulong)_data)) -# define GC_DATAEND ((GC_PTR)((ulong)_end)) -# define GC_INIT() { GC_add_roots(GC_DATASTART, GC_DATAEND); } -# endif -# else -# if defined(__APPLE__) && defined(__MACH__) || defined(GC_WIN32_THREADS) -# define GC_INIT() { GC_init(); } -# else -# define GC_INIT() -# endif /* !__MACH && !GC_WIN32_THREADS */ -# endif /* !AIX && !cygwin */ -#endif /* !sparc */ - -#if !defined(_WIN32_WCE) \ - && ((defined(_MSDOS) || defined(_MSC_VER)) && (_M_IX86 >= 300) \ - || defined(_WIN32) && !defined(__CYGWIN32__) && !defined(__CYGWIN__)) - /* win32S may not free all resources on process exit. */ - /* This explicitly deallocates the heap. */ - GC_API void GC_win32_free_heap (); -#endif - -#if ( defined(_AMIGA) && !defined(GC_AMIGA_MAKINGLIB) ) - /* Allocation really goes through GC_amiga_allocwrapper_do */ -# include "gc_amiga_redirects.h" -#endif - -#if defined(GC_REDIRECT_TO_LOCAL) && !defined(GC_LOCAL_ALLOC_H) -# include "gc_local_alloc.h" -#endif - -#ifdef __cplusplus - } /* end of extern "C" */ -#endif - -/* External thread suspension support. These functions do not implement - * suspension counts or any other higher-level abstraction. Threads which - * have been suspended numerous times will resume with the very first call - * to GC_resume_thread. - */ -#if defined(GC_PTHREADS) && !defined(GC_SOLARIS_THREADS) \ - && !defined(GC_WIN32_THREADS) && !defined(GC_DARWIN_THREADS) -GC_API void GC_suspend_thread GC_PROTO((pthread_t)); -GC_API void GC_resume_thread GC_PROTO((pthread_t)); -GC_API int GC_is_thread_suspended GC_PROTO((pthread_t)); -#endif -#endif /* _GC_H */ |