source: trunk/gc6.8/tests/test.c@ 132

Last change on this file since 132 was 132, checked in by cinc, 19 years ago

Boehm-Demers-Weiser garbage collector. Single-threaded for OS/2.
File size: 47.1 KB
Line 
1/*
2 * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers
3 * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved.
4 * Copyright (c) 1996 by Silicon Graphics. All rights reserved.
5 *
6 * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
7 * OR IMPLIED. ANY USE IS AT YOUR OWN RISK.
8 *
9 * Permission is hereby granted to use or copy this program
10 * for any purpose, provided the above notices are retained on all copies.
11 * Permission to modify the code and to distribute modified code is granted,
12 * provided the above notices are retained, and a notice that the code was
13 * modified is included with the above copyright notice.
14 */
15/* An incomplete test for the garbage collector. */
16/* Some more obscure entry points are not tested at all. */
17/* This must be compiled with the same flags used to build the */
18/* GC. It uses GC internals to allow more precise results */
19/* checking for some of the tests. */
20
21# undef GC_BUILD
22
23#if defined(DBG_HDRS_ALL) || defined(MAKE_BACK_GRAPH)
24# define GC_DEBUG
25#endif
26
27# if defined(mips) && defined(SYSTYPE_BSD43)
28 /* MIPS RISCOS 4 */
29# else
30# include <stdlib.h>
31# endif
32# include <stdio.h>
33# ifdef _WIN32_WCE
34# include <winbase.h>
35# define assert ASSERT
36# else
37# include <assert.h> /* Not normally used, but handy for debugging. */
38# endif
39# include <assert.h> /* Not normally used, but handy for debugging. */
40# include "gc.h"
41# include "gc_typed.h"
42# ifdef THREAD_LOCAL_ALLOC
43# include "gc_local_alloc.h"
44# endif
45# include "private/gc_priv.h" /* For output, locking, MIN_WORDS, */
46 /* and some statistics. */
47# include "private/gcconfig.h"
48
49# if defined(MSWIN32) || defined(MSWINCE)
50# include <windows.h>
51# endif
52
53# ifdef PCR
54# include "th/PCR_ThCrSec.h"
55# include "th/PCR_Th.h"
56# undef GC_printf0
57# define GC_printf0 printf
58# undef GC_printf1
59# define GC_printf1 printf
60# endif
61
62# if defined(GC_SOLARIS_THREADS) && !defined(GC_SOLARIS_PTHREADS)
63# include <thread.h>
64# include <synch.h>
65# endif
66
67# if defined(GC_PTHREADS)
68# include <pthread.h>
69# endif
70
71# if defined(GC_WIN32_THREADS) && !defined(GC_PTHREADS)
72 static CRITICAL_SECTION incr_cs;
73# endif
74
75#ifdef __STDC__
76# include <stdarg.h>
77#endif
78
79
80/* Allocation Statistics */
81int stubborn_count = 0;
82int uncollectable_count = 0;
83int collectable_count = 0;
84int atomic_count = 0;
85int realloc_count = 0;
86
87#if defined(GC_AMIGA_FASTALLOC) && defined(AMIGA)
88
89 extern void GC_amiga_free_all_mem(void);
90 void Amiga_Fail(void){GC_amiga_free_all_mem();abort();}
91# define FAIL (void)Amiga_Fail()
92 void *GC_amiga_gctest_malloc_explicitly_typed(size_t lb, GC_descr d){
93 void *ret=GC_malloc_explicitly_typed(lb,d);
94 if(ret==NULL){
95 if(!GC_dont_gc){
96 GC_gcollect();
97 ret=GC_malloc_explicitly_typed(lb,d);
98 }
99 if(ret==NULL){
100 GC_printf0("Out of memory, (typed allocations are not directly "
101 "supported with the GC_AMIGA_FASTALLOC option.)\n");
102 FAIL;
103 }
104 }
105 return ret;
106 }
107 void *GC_amiga_gctest_calloc_explicitly_typed(size_t a,size_t lb, GC_descr d){
108 void *ret=GC_calloc_explicitly_typed(a,lb,d);
109 if(ret==NULL){
110 if(!GC_dont_gc){
111 GC_gcollect();
112 ret=GC_calloc_explicitly_typed(a,lb,d);
113 }
114 if(ret==NULL){
115 GC_printf0("Out of memory, (typed allocations are not directly "
116 "supported with the GC_AMIGA_FASTALLOC option.)\n");
117 FAIL;
118 }
119 }
120 return ret;
121 }
122# define GC_malloc_explicitly_typed(a,b) GC_amiga_gctest_malloc_explicitly_typed(a,b)
123# define GC_calloc_explicitly_typed(a,b,c) GC_amiga_gctest_calloc_explicitly_typed(a,b,c)
124
125#else /* !AMIGA_FASTALLOC */
126
127# ifdef PCR
128# define FAIL (void)abort()
129# else
130# ifdef MSWINCE
131# define FAIL DebugBreak()
132# else
133# define FAIL GC_abort("Test failed");
134# endif
135# endif
136
137#endif /* !AMIGA_FASTALLOC */
138
139/* AT_END may be defined to exercise the interior pointer test */
140/* if the collector is configured with ALL_INTERIOR_POINTERS. */
141/* As it stands, this test should succeed with either */
142/* configuration. In the FIND_LEAK configuration, it should */
143/* find lots of leaks, since we free almost nothing. */
144
145struct SEXPR {
146 struct SEXPR * sexpr_car;
147 struct SEXPR * sexpr_cdr;
148};
149
150
151typedef struct SEXPR * sexpr;
152
153# define INT_TO_SEXPR(x) ((sexpr)(unsigned long)(x))
154
155# undef nil
156# define nil (INT_TO_SEXPR(0))
157# define car(x) ((x) -> sexpr_car)
158# define cdr(x) ((x) -> sexpr_cdr)
159# define is_nil(x) ((x) == nil)
160
161
162int extra_count = 0; /* Amount of space wasted in cons node */
163
164/* Silly implementation of Lisp cons. Intentionally wastes lots of space */
165/* to test collector. */
166# ifdef VERY_SMALL_CONFIG
167# define cons small_cons
168# else
169sexpr cons (x, y)
170sexpr x;
171sexpr y;
172{
173 register sexpr r;
174 register int *p;
175 register int my_extra = extra_count;
176
177 stubborn_count++;
178 r = (sexpr) GC_MALLOC_STUBBORN(sizeof(struct SEXPR) + my_extra);
179 if (r == 0) {
180 (void)GC_printf0("Out of memory\n");
181 exit(1);
182 }
183 for (p = (int *)r;
184 ((char *)p) < ((char *)r) + my_extra + sizeof(struct SEXPR); p++) {
185 if (*p) {
186 (void)GC_printf1("Found nonzero at 0x%lx - allocator is broken\n",
187 (unsigned long)p);
188 FAIL;
189 }
190 *p = 13;
191 }
192# ifdef AT_END
193 r = (sexpr)((char *)r + (my_extra & ~7));
194# endif
195 r -> sexpr_car = x;
196 r -> sexpr_cdr = y;
197 my_extra++;
198 if ( my_extra >= 5000 ) {
199 extra_count = 0;
200 } else {
201 extra_count = my_extra;
202 }
203 GC_END_STUBBORN_CHANGE((char *)r);
204 return(r);
205}
206# endif
207
208#ifdef GC_GCJ_SUPPORT
209
210#include "gc_mark.h"
211#include "gc_gcj.h"
212
213/* The following struct emulates the vtable in gcj. */
214/* This assumes the default value of MARK_DESCR_OFFSET. */
215struct fake_vtable {
216 void * dummy; /* class pointer in real gcj. */
217 size_t descr;
218};
219
220struct fake_vtable gcj_class_struct1 = { 0, sizeof(struct SEXPR)
221 + sizeof(struct fake_vtable *) };
222 /* length based descriptor. */
223struct fake_vtable gcj_class_struct2 =
224 { 0, (3l << (CPP_WORDSZ - 3)) | GC_DS_BITMAP};
225 /* Bitmap based descriptor. */
226
227struct GC_ms_entry * fake_gcj_mark_proc(word * addr,
228 struct GC_ms_entry *mark_stack_ptr,
229 struct GC_ms_entry *mark_stack_limit,
230 word env )
231{
232 sexpr x;
233 if (1 == env) {
234 /* Object allocated with debug allocator. */
235 addr = (word *)GC_USR_PTR_FROM_BASE(addr);
236 }
237 x = (sexpr)(addr + 1); /* Skip the vtable pointer. */
238 mark_stack_ptr = GC_MARK_AND_PUSH(
239 (GC_PTR)(x -> sexpr_cdr), mark_stack_ptr,
240 mark_stack_limit, (GC_PTR *)&(x -> sexpr_cdr));
241 mark_stack_ptr = GC_MARK_AND_PUSH(
242 (GC_PTR)(x -> sexpr_car), mark_stack_ptr,
243 mark_stack_limit, (GC_PTR *)&(x -> sexpr_car));
244 return(mark_stack_ptr);
245}
246
247#endif /* GC_GCJ_SUPPORT */
248
249#ifdef THREAD_LOCAL_ALLOC
250
251#undef GC_REDIRECT_TO_LOCAL
252#include "gc_local_alloc.h"
253
254sexpr local_cons (x, y)
255sexpr x;
256sexpr y;
257{
258 register sexpr r;
259 register int *p;
260 register int my_extra = extra_count;
261 static int my_random = 0;
262
263 collectable_count++;
264 r = (sexpr) GC_LOCAL_MALLOC(sizeof(struct SEXPR) + my_extra);
265# ifdef GC_GCJ_SUPPORT
266 if (collectable_count % 2 == 0) {
267 r = (sexpr) GC_LOCAL_GCJ_MALLOC(sizeof(struct SEXPR) + sizeof(GC_word) + my_extra,
268 &gcj_class_struct1);
269 r = (sexpr) ((GC_word *)r + 1);
270 }
271# endif
272 if (r == 0) {
273 (void)GC_printf0("Out of memory\n");
274 exit(1);
275 }
276 for (p = (int *)r;
277 ((char *)p) < ((char *)r) + my_extra + sizeof(struct SEXPR); p++) {
278 if (*p) {
279 (void)GC_printf1("Found nonzero at 0x%lx (local) - allocator is broken\n",
280 (unsigned long)p);
281 FAIL;
282 }
283 *p = 13;
284 }
285 r -> sexpr_car = x;
286 r -> sexpr_cdr = y;
287 my_extra++;
288 if ( my_extra >= 5000 || my_extra == 200 && ++my_random % 37 != 0) {
289 extra_count = 0;
290 } else {
291 extra_count = my_extra;
292 }
293 return(r);
294}
295#endif /* THREAD_LOCAL_ALLOC */
296
297sexpr small_cons (x, y)
298sexpr x;
299sexpr y;
300{
301 register sexpr r;
302
303 collectable_count++;
304 r = (sexpr) GC_MALLOC(sizeof(struct SEXPR));
305 if (r == 0) {
306 (void)GC_printf0("Out of memory\n");
307 exit(1);
308 }
309 r -> sexpr_car = x;
310 r -> sexpr_cdr = y;
311 return(r);
312}
313
314sexpr small_cons_uncollectable (x, y)
315sexpr x;
316sexpr y;
317{
318 register sexpr r;
319
320 uncollectable_count++;
321 r = (sexpr) GC_MALLOC_UNCOLLECTABLE(sizeof(struct SEXPR));
322 if (r == 0) {
323 (void)GC_printf0("Out of memory\n");
324 exit(1);
325 }
326 r -> sexpr_car = x;
327 r -> sexpr_cdr = (sexpr)(~(unsigned long)y);
328 return(r);
329}
330
331#ifdef GC_GCJ_SUPPORT
332
333
334sexpr gcj_cons(x, y)
335sexpr x;
336sexpr y;
337{
338 GC_word * r;
339 sexpr result;
340 static int count = 0;
341
342 if (++count & 1) {
343# ifdef USE_MARK_BYTES
344 r = (GC_word *) GC_GCJ_FAST_MALLOC(4, &gcj_class_struct1);
345# else
346 r = (GC_word *) GC_GCJ_FAST_MALLOC(3, &gcj_class_struct1);
347# endif
348 } else {
349 r = (GC_word *) GC_GCJ_MALLOC(sizeof(struct SEXPR)
350 + sizeof(struct fake_vtable*),
351 &gcj_class_struct2);
352 }
353 if (r == 0) {
354 (void)GC_printf0("Out of memory\n");
355 exit(1);
356 }
357 result = (sexpr)(r + 1);
358 result -> sexpr_car = x;
359 result -> sexpr_cdr = y;
360 return(result);
361}
362#endif
363
364/* Return reverse(x) concatenated with y */
365sexpr reverse1(x, y)
366sexpr x, y;
367{
368 if (is_nil(x)) {
369 return(y);
370 } else {
371 return( reverse1(cdr(x), cons(car(x), y)) );
372 }
373}
374
375sexpr reverse(x)
376sexpr x;
377{
378# ifdef TEST_WITH_SYSTEM_MALLOC
379 malloc(100000);
380# endif
381 return( reverse1(x, nil) );
382}
383
384sexpr ints(low, up)
385int low, up;
386{
387 if (low > up) {
388 return(nil);
389 } else {
390 return(small_cons(small_cons(INT_TO_SEXPR(low), nil), ints(low+1, up)));
391 }
392}
393
394#ifdef GC_GCJ_SUPPORT
395/* Return reverse(x) concatenated with y */
396sexpr gcj_reverse1(x, y)
397sexpr x, y;
398{
399 if (is_nil(x)) {
400 return(y);
401 } else {
402 return( gcj_reverse1(cdr(x), gcj_cons(car(x), y)) );
403 }
404}
405
406sexpr gcj_reverse(x)
407sexpr x;
408{
409 return( gcj_reverse1(x, nil) );
410}
411
412sexpr gcj_ints(low, up)
413int low, up;
414{
415 if (low > up) {
416 return(nil);
417 } else {
418 return(gcj_cons(gcj_cons(INT_TO_SEXPR(low), nil), gcj_ints(low+1, up)));
419 }
420}
421#endif /* GC_GCJ_SUPPORT */
422
423#ifdef THREAD_LOCAL_ALLOC
424/* Return reverse(x) concatenated with y */
425sexpr local_reverse1(x, y)
426sexpr x, y;
427{
428 if (is_nil(x)) {
429 return(y);
430 } else {
431 return( local_reverse1(cdr(x), local_cons(car(x), y)) );
432 }
433}
434
435sexpr local_reverse(x)
436sexpr x;
437{
438 return( local_reverse1(x, nil) );
439}
440
441sexpr local_ints(low, up)
442int low, up;
443{
444 if (low > up) {
445 return(nil);
446 } else {
447 return(local_cons(local_cons(INT_TO_SEXPR(low), nil), local_ints(low+1, up)));
448 }
449}
450#endif /* THREAD_LOCAL_ALLOC */
451
452/* To check uncollectable allocation we build lists with disguised cdr */
453/* pointers, and make sure they don't go away. */
454sexpr uncollectable_ints(low, up)
455int low, up;
456{
457 if (low > up) {
458 return(nil);
459 } else {
460 return(small_cons_uncollectable(small_cons(INT_TO_SEXPR(low), nil),
461 uncollectable_ints(low+1, up)));
462 }
463}
464
465void check_ints(list, low, up)
466sexpr list;
467int low, up;
468{
469 if ((int)(GC_word)(car(car(list))) != low) {
470 (void)GC_printf0(
471 "List reversal produced incorrect list - collector is broken\n");
472 FAIL;
473 }
474 if (low == up) {
475 if (cdr(list) != nil) {
476 (void)GC_printf0("List too long - collector is broken\n");
477 FAIL;
478 }
479 } else {
480 check_ints(cdr(list), low+1, up);
481 }
482}
483
484# define UNCOLLECTABLE_CDR(x) (sexpr)(~(unsigned long)(cdr(x)))
485
486void check_uncollectable_ints(list, low, up)
487sexpr list;
488int low, up;
489{
490 if ((int)(GC_word)(car(car(list))) != low) {
491 (void)GC_printf0(
492 "Uncollectable list corrupted - collector is broken\n");
493 FAIL;
494 }
495 if (low == up) {
496 if (UNCOLLECTABLE_CDR(list) != nil) {
497 (void)GC_printf0("Uncollectable list too long - collector is broken\n");
498 FAIL;
499 }
500 } else {
501 check_uncollectable_ints(UNCOLLECTABLE_CDR(list), low+1, up);
502 }
503}
504
505/* Not used, but useful for debugging: */
506void print_int_list(x)
507sexpr x;
508{
509 if (is_nil(x)) {
510 (void)GC_printf0("NIL\n");
511 } else {
512 (void)GC_printf1("(%ld)", (long)(car(car(x))));
513 if (!is_nil(cdr(x))) {
514 (void)GC_printf0(", ");
515 (void)print_int_list(cdr(x));
516 } else {
517 (void)GC_printf0("\n");
518 }
519 }
520}
521
522/*
523 * A tiny list reversal test to check thread creation.
524 */
525#ifdef THREADS
526
527# if defined(GC_WIN32_THREADS) && !defined(CYGWIN32)
528 DWORD __stdcall tiny_reverse_test(void * arg)
529# else
530 void * tiny_reverse_test(void * arg)
531# endif
532{
533 int i;
534 for (i = 0; i < 5; ++i) {
535 check_ints(reverse(reverse(ints(1,10))), 1, 10);
536# ifdef THREAD_LOCAL_ALLOC
537 check_ints(local_reverse(local_reverse(local_ints(1,10))), 1, 10);
538# endif
539 }
540 return 0;
541}
542
543# if defined(GC_PTHREADS)
544 void fork_a_thread()
545 {
546 pthread_t t;
547 int code;
548 if ((code = pthread_create(&t, 0, tiny_reverse_test, 0)) != 0) {
549 (void)GC_printf1("Small thread creation failed %lu\n",
550 (unsigned long)code);
551 FAIL;
552 }
553 if ((code = pthread_join(t, 0)) != 0) {
554 (void)GC_printf1("Small thread join failed %lu\n",
555 (unsigned long)code);
556 FAIL;
557 }
558 }
559
560# elif defined(GC_WIN32_THREADS)
561 void fork_a_thread()
562 {
563 DWORD thread_id;
564 HANDLE h;
565 h = GC_CreateThread(NULL, 0, tiny_reverse_test, 0, 0, &thread_id);
566 if (h == (HANDLE)NULL) {
567 (void)GC_printf1("Small thread creation failed %lu\n",
568 (unsigned long)GetLastError());
569 FAIL;
570 }
571 if (WaitForSingleObject(h, INFINITE) != WAIT_OBJECT_0) {
572 (void)GC_printf1("Small thread wait failed %lu\n",
573 (unsigned long)GetLastError());
574 FAIL;
575 }
576 }
577
578/* # elif defined(GC_SOLARIS_THREADS) */
579
580# else
581
582# define fork_a_thread()
583
584# endif
585
586#else
587
588# define fork_a_thread()
589
590#endif
591
592/* Try to force a to be strangely aligned */
593struct {
594 char dummy;
595 sexpr aa;
596} A;
597#define a A.aa
598
599/*
600 * Repeatedly reverse lists built out of very different sized cons cells.
601 * Check that we didn't lose anything.
602 */
603void reverse_test()
604{
605 int i;
606 sexpr b;
607 sexpr c;
608 sexpr d;
609 sexpr e;
610 sexpr *f, *g, *h;
611# if defined(MSWIN32) || defined(MACOS)
612 /* Win32S only allows 128K stacks */
613# define BIG 1000
614# else
615# if defined PCR
616 /* PCR default stack is 100K. Stack frames are up to 120 bytes. */
617# define BIG 700
618# else
619# if defined MSWINCE
620 /* WinCE only allows 64K stacks */
621# define BIG 500
622# else
623# if defined(OSF1)
624 /* OSF has limited stack space by default, and large frames. */
625# define BIG 200
626# else
627# define BIG 4500
628# endif
629# endif
630# endif
631# endif
632
633 A.dummy = 17;
634 a = ints(1, 49);
635 b = ints(1, 50);
636 c = ints(1, BIG);
637 d = uncollectable_ints(1, 100);
638 e = uncollectable_ints(1, 1);
639 /* Check that realloc updates object descriptors correctly */
640 collectable_count++;
641 f = (sexpr *)GC_MALLOC(4 * sizeof(sexpr));
642 realloc_count++;
643 f = (sexpr *)GC_REALLOC((GC_PTR)f, 6 * sizeof(sexpr));
644 f[5] = ints(1,17);
645 collectable_count++;
646 g = (sexpr *)GC_MALLOC(513 * sizeof(sexpr));
647 realloc_count++;
648 g = (sexpr *)GC_REALLOC((GC_PTR)g, 800 * sizeof(sexpr));
649 g[799] = ints(1,18);
650 collectable_count++;
651 h = (sexpr *)GC_MALLOC(1025 * sizeof(sexpr));
652 realloc_count++;
653 h = (sexpr *)GC_REALLOC((GC_PTR)h, 2000 * sizeof(sexpr));
654# ifdef GC_GCJ_SUPPORT
655 h[1999] = gcj_ints(1,200);
656 for (i = 0; i < 51; ++i)
657 h[1999] = gcj_reverse(h[1999]);
658 /* Leave it as the reveresed list for now. */
659# else
660 h[1999] = ints(1,200);
661# endif
662 /* Try to force some collections and reuse of small list elements */
663 for (i = 0; i < 10; i++) {
664 (void)ints(1, BIG);
665 }
666 /* Superficially test interior pointer recognition on stack */
667 c = (sexpr)((char *)c + sizeof(char *));
668 d = (sexpr)((char *)d + sizeof(char *));
669
670# ifdef __STDC__
671 GC_FREE((void *)e);
672# else
673 GC_FREE((char *)e);
674# endif
675 check_ints(b,1,50);
676 check_ints(a,1,49);
677 for (i = 0; i < 50; i++) {
678 check_ints(b,1,50);
679 b = reverse(reverse(b));
680 }
681 check_ints(b,1,50);
682 check_ints(a,1,49);
683 for (i = 0; i < 60; i++) {
684 if (i % 10 == 0) fork_a_thread();
685 /* This maintains the invariant that a always points to a list of */
686 /* 49 integers. Thus this is thread safe without locks, */
687 /* assuming atomic pointer assignments. */
688 a = reverse(reverse(a));
689# ifdef THREAD_LOCAL_ALLOC
690 a = local_reverse(local_reverse(a));
691# endif
692# if !defined(AT_END) && !defined(THREADS)
693 /* This is not thread safe, since realloc explicitly deallocates */
694 if (i & 1) {
695 a = (sexpr)GC_REALLOC((GC_PTR)a, 500);
696 } else {
697 a = (sexpr)GC_REALLOC((GC_PTR)a, 8200);
698 }
699# endif
700 }
701 check_ints(a,1,49);
702 check_ints(b,1,50);
703 c = (sexpr)((char *)c - sizeof(char *));
704 d = (sexpr)((char *)d - sizeof(char *));
705 check_ints(c,1,BIG);
706 check_uncollectable_ints(d, 1, 100);
707 check_ints(f[5], 1,17);
708 check_ints(g[799], 1,18);
709# ifdef GC_GCJ_SUPPORT
710 h[1999] = gcj_reverse(h[1999]);
711# endif
712 check_ints(h[1999], 1,200);
713# ifndef THREADS
714 a = 0;
715# endif
716 b = c = 0;
717}
718
719#undef a
720
721/*
722 * The rest of this builds balanced binary trees, checks that they don't
723 * disappear, and tests finalization.
724 */
725typedef struct treenode {
726 int level;
727 struct treenode * lchild;
728 struct treenode * rchild;
729} tn;
730
731int finalizable_count = 0;
732int finalized_count = 0;
733VOLATILE int dropped_something = 0;
734
735# ifdef __STDC__
736 void finalizer(void * obj, void * client_data)
737# else
738 void finalizer(obj, client_data)
739 char * obj;
740 char * client_data;
741# endif
742{
743 tn * t = (tn *)obj;
744
745# ifdef PCR
746 PCR_ThCrSec_EnterSys();
747# endif
748# if defined(GC_SOLARIS_THREADS) && !defined(GC_SOLARIS_PTHREADS)
749 static mutex_t incr_lock;
750 mutex_lock(&incr_lock);
751# endif
752# if defined(GC_PTHREADS)
753 static pthread_mutex_t incr_lock = PTHREAD_MUTEX_INITIALIZER;
754 pthread_mutex_lock(&incr_lock);
755# else
756# ifdef GC_WIN32_THREADS
757 EnterCriticalSection(&incr_cs);
758# endif
759# endif
760 if ((int)(GC_word)client_data != t -> level) {
761 (void)GC_printf0("Wrong finalization data - collector is broken\n");
762 FAIL;
763 }
764 finalized_count++;
765 t -> level = -1; /* detect duplicate finalization immediately */
766# ifdef PCR
767 PCR_ThCrSec_ExitSys();
768# endif
769# if defined(GC_SOLARIS_THREADS) && !defined(GC_SOLARIS_PTHREADS)
770 mutex_unlock(&incr_lock);
771# endif
772# if defined(GC_PTHREADS)
773 pthread_mutex_unlock(&incr_lock);
774# else
775# ifdef GC_WIN32_THREADS
776 LeaveCriticalSection(&incr_cs);
777# endif
778# endif
779}
780
781size_t counter = 0;
782
783# define MAX_FINALIZED 8000
784
785# if !defined(MACOS)
786 GC_FAR GC_word live_indicators[MAX_FINALIZED] = {0};
787#else
788 /* Too big for THINK_C. have to allocate it dynamically. */
789 GC_word *live_indicators = 0;
790#endif
791
792int live_indicators_count = 0;
793
794tn * mktree(n)
795int n;
796{
797# ifdef THREAD_LOCAL_ALLOC
798 tn * result = (tn *)GC_LOCAL_MALLOC(sizeof(tn));
799# else
800 tn * result = (tn *)GC_MALLOC(sizeof(tn));
801# endif
802
803 collectable_count++;
804# ifdef THREAD_LOCAL_ALLOC
805 /* Minimally exercise thread local allocation */
806 {
807 char * result = (char *)GC_LOCAL_MALLOC_ATOMIC(17);
808 memset(result, 'a', 17);
809 }
810# endif /* THREAD_LOCAL_ALLOC */
811# if defined(MACOS)
812 /* get around static data limitations. */
813 if (!live_indicators)
814 live_indicators =
815 (GC_word*)NewPtrClear(MAX_FINALIZED * sizeof(GC_word));
816 if (!live_indicators) {
817 (void)GC_printf0("Out of memory\n");
818 exit(1);
819 }
820# endif
821 if (n == 0) return(0);
822 if (result == 0) {
823 (void)GC_printf0("Out of memory\n");
824 exit(1);
825 }
826 result -> level = n;
827 result -> lchild = mktree(n-1);
828 result -> rchild = mktree(n-1);
829 if (counter++ % 17 == 0 && n >= 2) {
830 tn * tmp = result -> lchild -> rchild;
831
832 result -> lchild -> rchild = result -> rchild -> lchild;
833 result -> rchild -> lchild = tmp;
834 }
835 if (counter++ % 119 == 0) {
836 int my_index;
837
838 {
839# ifdef PCR
840 PCR_ThCrSec_EnterSys();
841# endif
842# if defined(GC_SOLARIS_THREADS) && !defined(GC_SOLARIS_PTHREADS)
843 static mutex_t incr_lock;
844 mutex_lock(&incr_lock);
845# endif
846# if defined(GC_PTHREADS)
847 static pthread_mutex_t incr_lock = PTHREAD_MUTEX_INITIALIZER;
848 pthread_mutex_lock(&incr_lock);
849# else
850# ifdef GC_WIN32_THREADS
851 EnterCriticalSection(&incr_cs);
852# endif
853# endif
854 /* Losing a count here causes erroneous report of failure. */
855 finalizable_count++;
856 my_index = live_indicators_count++;
857# ifdef PCR
858 PCR_ThCrSec_ExitSys();
859# endif
860# if defined(GC_SOLARIS_THREADS) && !defined(GC_SOLARIS_PTHREADS)
861 mutex_unlock(&incr_lock);
862# endif
863# if defined(GC_PTHREADS)
864 pthread_mutex_unlock(&incr_lock);
865# else
866# ifdef GC_WIN32_THREADS
867 LeaveCriticalSection(&incr_cs);
868# endif
869# endif
870 }
871
872 GC_REGISTER_FINALIZER((GC_PTR)result, finalizer, (GC_PTR)(GC_word)n,
873 (GC_finalization_proc *)0, (GC_PTR *)0);
874 if (my_index >= MAX_FINALIZED) {
875 GC_printf0("live_indicators overflowed\n");
876 FAIL;
877 }
878 live_indicators[my_index] = 13;
879 if (GC_GENERAL_REGISTER_DISAPPEARING_LINK(
880 (GC_PTR *)(&(live_indicators[my_index])),
881 (GC_PTR)result) != 0) {
882 GC_printf0("GC_general_register_disappearing_link failed\n");
883 FAIL;
884 }
885 if (GC_unregister_disappearing_link(
886 (GC_PTR *)
887 (&(live_indicators[my_index]))) == 0) {
888 GC_printf0("GC_unregister_disappearing_link failed\n");
889 FAIL;
890 }
891 if (GC_GENERAL_REGISTER_DISAPPEARING_LINK(
892 (GC_PTR *)(&(live_indicators[my_index])),
893 (GC_PTR)result) != 0) {
894 GC_printf0("GC_general_register_disappearing_link failed 2\n");
895 FAIL;
896 }
897 }
898 return(result);
899}
900
901void chktree(t,n)
902tn *t;
903int n;
904{
905 if (n == 0 && t != 0) {
906 (void)GC_printf0("Clobbered a leaf - collector is broken\n");
907 FAIL;
908 }
909 if (n == 0) return;
910 if (t -> level != n) {
911 (void)GC_printf1("Lost a node at level %lu - collector is broken\n",
912 (unsigned long)n);
913 FAIL;
914 }
915 if (counter++ % 373 == 0) {
916 collectable_count++;
917 (void) GC_MALLOC(counter%5001);
918 }
919 chktree(t -> lchild, n-1);
920 if (counter++ % 73 == 0) {
921 collectable_count++;
922 (void) GC_MALLOC(counter%373);
923 }
924 chktree(t -> rchild, n-1);
925}
926
927# if defined(GC_SOLARIS_THREADS) && !defined(GC_SOLARIS_PTHREADS)
928thread_key_t fl_key;
929
930void * alloc8bytes()
931{
932# if defined(SMALL_CONFIG) || defined(GC_DEBUG)
933 collectable_count++;
934 return(GC_MALLOC(8));
935# else
936 void ** my_free_list_ptr;
937 void * my_free_list;
938
939 if (thr_getspecific(fl_key, (void **)(&my_free_list_ptr)) != 0) {
940 (void)GC_printf0("thr_getspecific failed\n");
941 FAIL;
942 }
943 if (my_free_list_ptr == 0) {
944 uncollectable_count++;
945 my_free_list_ptr = GC_NEW_UNCOLLECTABLE(void *);
946 if (thr_setspecific(fl_key, my_free_list_ptr) != 0) {
947 (void)GC_printf0("thr_setspecific failed\n");
948 FAIL;
949 }
950 }
951 my_free_list = *my_free_list_ptr;
952 if (my_free_list == 0) {
953 collectable_count++;
954 my_free_list = GC_malloc_many(8);
955 if (my_free_list == 0) {
956 (void)GC_printf0("alloc8bytes out of memory\n");
957 FAIL;
958 }
959 }
960 *my_free_list_ptr = GC_NEXT(my_free_list);
961 GC_NEXT(my_free_list) = 0;
962 return(my_free_list);
963# endif
964}
965
966#else
967
968# if defined(GC_PTHREADS)
969pthread_key_t fl_key;
970
971void * alloc8bytes()
972{
973# if defined(SMALL_CONFIG) || defined(GC_DEBUG)
974 collectable_count++;
975 return(GC_MALLOC(8));
976# else
977 void ** my_free_list_ptr;
978 void * my_free_list;
979
980 my_free_list_ptr = (void **)pthread_getspecific(fl_key);
981 if (my_free_list_ptr == 0) {
982 uncollectable_count++;
983 my_free_list_ptr = GC_NEW_UNCOLLECTABLE(void *);
984 if (pthread_setspecific(fl_key, my_free_list_ptr) != 0) {
985 (void)GC_printf0("pthread_setspecific failed\n");
986 FAIL;
987 }
988 }
989 my_free_list = *my_free_list_ptr;
990 if (my_free_list == 0) {
991 my_free_list = GC_malloc_many(8);
992 if (my_free_list == 0) {
993 (void)GC_printf0("alloc8bytes out of memory\n");
994 FAIL;
995 }
996 }
997 *my_free_list_ptr = GC_NEXT(my_free_list);
998 GC_NEXT(my_free_list) = 0;
999 collectable_count++;
1000 return(my_free_list);
1001# endif
1002}
1003
1004# else
1005# define alloc8bytes() GC_MALLOC_ATOMIC(8)
1006# endif
1007#endif
1008
1009void alloc_small(n)
1010int n;
1011{
1012 register int i;
1013
1014 for (i = 0; i < n; i += 8) {
1015 atomic_count++;
1016 if (alloc8bytes() == 0) {
1017 (void)GC_printf0("Out of memory\n");
1018 FAIL;
1019 }
1020 }
1021}
1022
1023# if defined(THREADS) && defined(GC_DEBUG)
1024# ifdef VERY_SMALL_CONFIG
1025# define TREE_HEIGHT 12
1026# else
1027# define TREE_HEIGHT 15
1028# endif
1029# else
1030# ifdef VERY_SMALL_CONFIG
1031# define TREE_HEIGHT 13
1032# else
1033# define TREE_HEIGHT 16
1034# endif
1035# endif
1036void tree_test()
1037{
1038 tn * root;
1039 register int i;
1040
1041 root = mktree(TREE_HEIGHT);
1042# ifndef VERY_SMALL_CONFIG
1043 alloc_small(5000000);
1044# endif
1045 chktree(root, TREE_HEIGHT);
1046 if (finalized_count && ! dropped_something) {
1047 (void)GC_printf0("Premature finalization - collector is broken\n");
1048 FAIL;
1049 }
1050 dropped_something = 1;
1051 GC_noop(root); /* Root needs to remain live until */
1052 /* dropped_something is set. */
1053 root = mktree(TREE_HEIGHT);
1054 chktree(root, TREE_HEIGHT);
1055 for (i = TREE_HEIGHT; i >= 0; i--) {
1056 root = mktree(i);
1057 chktree(root, i);
1058 }
1059# ifndef VERY_SMALL_CONFIG
1060 alloc_small(5000000);
1061# endif
1062}
1063
1064unsigned n_tests = 0;
1065
1066GC_word bm_huge[10] = {
1067 0xffffffff,
1068 0xffffffff,
1069 0xffffffff,
1070 0xffffffff,
1071 0xffffffff,
1072 0xffffffff,
1073 0xffffffff,
1074 0xffffffff,
1075 0xffffffff,
1076 0x00ffffff,
1077};
1078
1079/* A very simple test of explicitly typed allocation */
1080void typed_test()
1081{
1082 GC_word * old, * new;
1083 GC_word bm3 = 0x3;
1084 GC_word bm2 = 0x2;
1085 GC_word bm_large = 0xf7ff7fff;
1086 GC_descr d1 = GC_make_descriptor(&bm3, 2);
1087 GC_descr d2 = GC_make_descriptor(&bm2, 2);
1088# ifndef LINT
1089 GC_descr dummy = GC_make_descriptor(&bm_large, 32);
1090# endif
1091 GC_descr d3 = GC_make_descriptor(&bm_large, 32);
1092 GC_descr d4 = GC_make_descriptor(bm_huge, 320);
1093 GC_word * x = (GC_word *)GC_malloc_explicitly_typed(2000, d4);
1094 register int i;
1095
1096 collectable_count++;
1097 old = 0;
1098 for (i = 0; i < 4000; i++) {
1099 collectable_count++;
1100 new = (GC_word *) GC_malloc_explicitly_typed(4 * sizeof(GC_word), d1);
1101 if (0 != new[0] || 0 != new[1]) {
1102 GC_printf0("Bad initialization by GC_malloc_explicitly_typed\n");
1103 FAIL;
1104 }
1105 new[0] = 17;
1106 new[1] = (GC_word)old;
1107 old = new;
1108 collectable_count++;
1109 new = (GC_word *) GC_malloc_explicitly_typed(4 * sizeof(GC_word), d2);
1110 new[0] = 17;
1111 new[1] = (GC_word)old;
1112 old = new;
1113 collectable_count++;
1114 new = (GC_word *) GC_malloc_explicitly_typed(33 * sizeof(GC_word), d3);
1115 new[0] = 17;
1116 new[1] = (GC_word)old;
1117 old = new;
1118 collectable_count++;
1119 new = (GC_word *) GC_calloc_explicitly_typed(4, 2 * sizeof(GC_word),
1120 d1);
1121 new[0] = 17;
1122 new[1] = (GC_word)old;
1123 old = new;
1124 collectable_count++;
1125 if (i & 0xff) {
1126 new = (GC_word *) GC_calloc_explicitly_typed(7, 3 * sizeof(GC_word),
1127 d2);
1128 } else {
1129 new = (GC_word *) GC_calloc_explicitly_typed(1001,
1130 3 * sizeof(GC_word),
1131 d2);
1132 if (0 != new[0] || 0 != new[1]) {
1133 GC_printf0("Bad initialization by GC_malloc_explicitly_typed\n");
1134 FAIL;
1135 }
1136 }
1137 new[0] = 17;
1138 new[1] = (GC_word)old;
1139 old = new;
1140 }
1141 for (i = 0; i < 20000; i++) {
1142 if (new[0] != 17) {
1143 (void)GC_printf1("typed alloc failed at %lu\n",
1144 (unsigned long)i);
1145 FAIL;
1146 }
1147 new[0] = 0;
1148 old = new;
1149 new = (GC_word *)(old[1]);
1150 }
1151 GC_gcollect();
1152 GC_noop(x);
1153}
1154
1155int fail_count = 0;
1156
1157#ifndef __STDC__
1158/*ARGSUSED*/
1159void fail_proc1(x)
1160GC_PTR x;
1161{
1162 fail_count++;
1163}
1164
1165#else
1166
1167/*ARGSUSED*/
1168void fail_proc1(GC_PTR x)
1169{
1170 fail_count++;
1171}
1172
1173static void uniq(void *p, ...) {
1174 va_list a;
1175 void *q[100];
1176 int n = 0, i, j;
1177 q[n++] = p;
1178 va_start(a,p);
1179 for (;(q[n] = va_arg(a,void *));n++) ;
1180 va_end(a);
1181 for (i=0; i<n; i++)
1182 for (j=0; j<i; j++)
1183 if (q[i] == q[j]) {
1184 GC_printf0(
1185 "Apparently failed to mark form some function arguments.\n"
1186 "Perhaps GC_push_regs was configured incorrectly?\n"
1187 );
1188 FAIL;
1189 }
1190}
1191
1192#endif /* __STDC__ */
1193
1194#ifdef THREADS
1195# define TEST_FAIL_COUNT(n) 1
1196#else
1197# define TEST_FAIL_COUNT(n) (fail_count >= (n))
1198#endif
1199
1200void run_one_test()
1201{
1202 char *x;
1203# ifdef LINT
1204 char *y = 0;
1205# else
1206 char *y = (char *)(size_t)fail_proc1;
1207# endif
1208 DCL_LOCK_STATE;
1209
1210# ifdef FIND_LEAK
1211 (void)GC_printf0(
1212 "This test program is not designed for leak detection mode\n");
1213 (void)GC_printf0("Expect lots of problems.\n");
1214# endif
1215 GC_FREE(0);
1216# ifndef DBG_HDRS_ALL
1217 collectable_count += 3;
1218 if (GC_size(GC_malloc(7)) != 8 &&
1219 GC_size(GC_malloc(7)) != MIN_WORDS * sizeof(GC_word)
1220 || GC_size(GC_malloc(15)) != 16) {
1221 (void)GC_printf0("GC_size produced unexpected results\n");
1222 FAIL;
1223 }
1224 collectable_count += 1;
1225 if (GC_size(GC_malloc(0)) != MIN_WORDS * sizeof(GC_word)) {
1226 (void)GC_printf1("GC_malloc(0) failed: GC_size returns %ld\n",
1227 GC_size(GC_malloc(0)));
1228 FAIL;
1229 }
1230 collectable_count += 1;
1231 if (GC_size(GC_malloc_uncollectable(0)) != MIN_WORDS * sizeof(GC_word)) {
1232 (void)GC_printf0("GC_malloc_uncollectable(0) failed\n");
1233 FAIL;
1234 }
1235 GC_is_valid_displacement_print_proc = fail_proc1;
1236 GC_is_visible_print_proc = fail_proc1;
1237 collectable_count += 1;
1238 x = GC_malloc(16);
1239 if (GC_base(x + 13) != x) {
1240 (void)GC_printf0("GC_base(heap ptr) produced incorrect result\n");
1241 FAIL;
1242 }
1243# ifndef PCR
1244 if (GC_base(y) != 0) {
1245 (void)GC_printf0("GC_base(fn_ptr) produced incorrect result\n");
1246 FAIL;
1247 }
1248# endif
1249 if (GC_same_obj(x+5, x) != x + 5) {
1250 (void)GC_printf0("GC_same_obj produced incorrect result\n");
1251 FAIL;
1252 }
1253 if (GC_is_visible(y) != y || GC_is_visible(x) != x) {
1254 (void)GC_printf0("GC_is_visible produced incorrect result\n");
1255 FAIL;
1256 }
1257 if (!TEST_FAIL_COUNT(1)) {
1258# if!(defined(RS6000) || defined(POWERPC) || defined(IA64)) || defined(M68K)
1259 /* ON RS6000s function pointers point to a descriptor in the */
1260 /* data segment, so there should have been no failures. */
1261 /* The same applies to IA64. Something similar seems to */
1262 /* be going on with NetBSD/M68K. */
1263 (void)GC_printf0("GC_is_visible produced wrong failure indication\n");
1264 FAIL;
1265# endif
1266 }
1267 if (GC_is_valid_displacement(y) != y
1268 || GC_is_valid_displacement(x) != x
1269 || GC_is_valid_displacement(x + 3) != x + 3) {
1270 (void)GC_printf0(
1271 "GC_is_valid_displacement produced incorrect result\n");
1272 FAIL;
1273 }
1274# if defined(__STDC__) && !defined(MSWIN32) && !defined(MSWINCE)
1275 /* Harder to test under Windows without a gc.h declaration. */
1276 {
1277 size_t i;
1278 extern void *GC_memalign();
1279
1280 GC_malloc(17);
1281 for (i = sizeof(GC_word); i < 512; i *= 2) {
1282 GC_word result = (GC_word) GC_memalign(i, 17);
1283 if (result % i != 0 || result == 0 || *(int *)result != 0) FAIL;
1284 }
1285 }
1286# endif
1287# ifndef ALL_INTERIOR_POINTERS
1288# if defined(RS6000) || defined(POWERPC)
1289 if (!TEST_FAIL_COUNT(1)) {
1290# else
1291 if (GC_all_interior_pointers && !TEST_FAIL_COUNT(1)
1292 || !GC_all_interior_pointers && !TEST_FAIL_COUNT(2)) {
1293# endif
1294 (void)GC_printf0("GC_is_valid_displacement produced wrong failure indication\n");
1295 FAIL;
1296 }
1297# endif
1298# endif /* DBG_HDRS_ALL */
1299 /* Test floating point alignment */
1300 collectable_count += 2;
1301 *(double *)GC_MALLOC(sizeof(double)) = 1.0;
1302 *(double *)GC_MALLOC(sizeof(double)) = 1.0;
1303# ifdef GC_GCJ_SUPPORT
1304 GC_REGISTER_DISPLACEMENT(sizeof(struct fake_vtable *));
1305 GC_init_gcj_malloc(0, (void *)fake_gcj_mark_proc);
1306# endif
1307 /* Make sure that fn arguments are visible to the collector. */
1308# ifdef __STDC__
1309 uniq(
1310 GC_malloc(12), GC_malloc(12), GC_malloc(12),
1311 (GC_gcollect(),GC_malloc(12)),
1312 GC_malloc(12), GC_malloc(12), GC_malloc(12),
1313 (GC_gcollect(),GC_malloc(12)),
1314 GC_malloc(12), GC_malloc(12), GC_malloc(12),
1315 (GC_gcollect(),GC_malloc(12)),
1316 GC_malloc(12), GC_malloc(12), GC_malloc(12),
1317 (GC_gcollect(),GC_malloc(12)),
1318 GC_malloc(12), GC_malloc(12), GC_malloc(12),
1319 (GC_gcollect(),GC_malloc(12)),
1320 (void *)0);
1321# endif
1322 /* Repeated list reversal test. */
1323 reverse_test();
1324# ifdef PRINTSTATS
1325 GC_printf0("-------------Finished reverse_test\n");
1326# endif
1327# ifndef DBG_HDRS_ALL
1328 typed_test();
1329# ifdef PRINTSTATS
1330 GC_printf0("-------------Finished typed_test\n");
1331# endif
1332# endif /* DBG_HDRS_ALL */
1333 tree_test();
1334 LOCK();
1335 n_tests++;
1336 UNLOCK();
1337# if defined(THREADS) && defined(HANDLE_FORK)
1338 if (fork() == 0) {
1339 GC_gcollect();
1340 tiny_reverse_test(0);
1341 GC_gcollect();
1342 GC_printf0("Finished a child process\n");
1343 exit(0);
1344 }
1345# endif
1346 /* GC_printf1("Finished %x\n", pthread_self()); */
1347}
1348
1349void check_heap_stats()
1350{
1351 unsigned long max_heap_sz;
1352 register int i;
1353 int still_live;
1354 int late_finalize_count = 0;
1355
1356# ifdef VERY_SMALL_CONFIG
1357 /* these are something of a guess */
1358 if (sizeof(char *) > 4) {
1359 max_heap_sz = 4500000;
1360 } else {
1361 max_heap_sz = 2800000;
1362 }
1363# else
1364 if (sizeof(char *) > 4) {
1365 max_heap_sz = 19000000;
1366 } else {
1367 max_heap_sz = 11000000;
1368 }
1369# endif
1370# ifndef ALIGN_DOUBLE
1371 /* We end up needing more small object pages. */
1372 max_heap_sz += 2000000;
1373# endif
1374# ifdef GC_DEBUG
1375 max_heap_sz *= 2;
1376# ifdef SAVE_CALL_CHAIN
1377 max_heap_sz *= 3;
1378# ifdef SAVE_CALL_COUNT
1379 max_heap_sz += max_heap_sz * SAVE_CALL_COUNT/4;
1380# endif
1381# endif
1382# endif
1383 /* Garbage collect repeatedly so that all inaccessible objects */
1384 /* can be finalized. */
1385 while (GC_collect_a_little()) { }
1386 for (i = 0; i < 16; i++) {
1387 GC_gcollect();
1388 late_finalize_count += GC_invoke_finalizers();
1389 }
1390 (void)GC_printf1("Completed %lu tests\n", (unsigned long)n_tests);
1391 (void)GC_printf1("Allocated %lu collectable objects\n", (unsigned long)collectable_count);
1392 (void)GC_printf1("Allocated %lu uncollectable objects\n", (unsigned long)uncollectable_count);
1393 (void)GC_printf1("Allocated %lu atomic objects\n", (unsigned long)atomic_count);
1394 (void)GC_printf1("Allocated %lu stubborn objects\n", (unsigned long)stubborn_count);
1395 (void)GC_printf2("Finalized %lu/%lu objects - ",
1396 (unsigned long)finalized_count,
1397 (unsigned long)finalizable_count);
1398# ifdef FINALIZE_ON_DEMAND
1399 if (finalized_count != late_finalize_count) {
1400 (void)GC_printf0("Demand finalization error\n");
1401 FAIL;
1402 }
1403# endif
1404 if (finalized_count > finalizable_count
1405 || finalized_count < finalizable_count/2) {
1406 (void)GC_printf0("finalization is probably broken\n");
1407 FAIL;
1408 } else {
1409 (void)GC_printf0("finalization is probably ok\n");
1410 }
1411 still_live = 0;
1412 for (i = 0; i < MAX_FINALIZED; i++) {
1413 if (live_indicators[i] != 0) {
1414 still_live++;
1415 }
1416 }
1417 i = finalizable_count - finalized_count - still_live;
1418 if (0 != i) {
1419 (void)GC_printf2
1420 ("%lu disappearing links remain and %ld more objects were not finalized\n",
1421 (unsigned long) still_live, (long)i);
1422 if (i > 10) {
1423 GC_printf0("\tVery suspicious!\n");
1424 } else {
1425 GC_printf0("\tSlightly suspicious, but probably OK.\n");
1426 }
1427 }
1428 (void)GC_printf1("Total number of bytes allocated is %lu\n",
1429 (unsigned long)
1430 WORDS_TO_BYTES(GC_words_allocd + GC_words_allocd_before_gc));
1431 (void)GC_printf1("Final heap size is %lu bytes\n",
1432 (unsigned long)GC_get_heap_size());
1433 if (WORDS_TO_BYTES(GC_words_allocd + GC_words_allocd_before_gc)
1434# ifdef VERY_SMALL_CONFIG
1435 < 2700000*n_tests) {
1436# else
1437 < 33500000*n_tests) {
1438# endif
1439 (void)GC_printf0("Incorrect execution - missed some allocations\n");
1440 FAIL;
1441 }
1442 if (GC_get_heap_size() > max_heap_sz*n_tests) {
1443 (void)GC_printf0("Unexpected heap growth - collector may be broken\n");
1444 FAIL;
1445 }
1446 (void)GC_printf0("Collector appears to work\n");
1447}
1448
1449#if defined(MACOS)
1450void SetMinimumStack(long minSize)
1451{
1452 long newApplLimit;
1453
1454 if (minSize > LMGetDefltStack())
1455 {
1456 newApplLimit = (long) GetApplLimit()
1457 - (minSize - LMGetDefltStack());
1458 SetApplLimit((Ptr) newApplLimit);
1459 MaxApplZone();
1460 }
1461}
1462
1463#define cMinStackSpace (512L * 1024L)
1464
1465#endif
1466
1467#ifdef __STDC__
1468 void warn_proc(char *msg, GC_word p)
1469#else
1470 void warn_proc(msg, p)
1471 char *msg;
1472 GC_word p;
1473#endif
1474{
1475 GC_printf1(msg, (unsigned long)p);
1476 /*FAIL;*/
1477}
1478
1479
1480#if !defined(PCR) && !defined(GC_SOLARIS_THREADS) \
1481 && !defined(GC_WIN32_THREADS) && !defined(GC_PTHREADS) \
1482 || defined(LINT)
1483#if defined(MSWIN32) && !defined(__MINGW32__)
1484 int APIENTRY WinMain(HINSTANCE instance, HINSTANCE prev, LPTSTR cmd, int n)
1485#else
1486 int main()
1487#endif
1488{
1489# if defined(DJGPP)
1490 int dummy;
1491# endif
1492 n_tests = 0;
1493
1494# if defined(DJGPP)
1495 /* No good way to determine stack base from library; do it */
1496 /* manually on this platform. */
1497 GC_stackbottom = (GC_PTR)(&dummy);
1498# endif
1499# if defined(MACOS)
1500 /* Make sure we have lots and lots of stack space. */
1501 SetMinimumStack(cMinStackSpace);
1502 /* Cheat and let stdio initialize toolbox for us. */
1503 printf("Testing GC Macintosh port.\n");
1504# endif
1505 GC_INIT(); /* Only needed on a few platforms. */
1506 (void) GC_set_warn_proc(warn_proc);
1507# if (defined(MPROTECT_VDB) || defined(PROC_VDB)) \
1508 && !defined(MAKE_BACK_GRAPH)
1509 GC_enable_incremental();
1510 (void) GC_printf0("Switched to incremental mode\n");
1511# if defined(MPROTECT_VDB)
1512 (void)GC_printf0("Emulating dirty bits with mprotect/signals\n");
1513# else
1514# ifdef PROC_VDB
1515 (void)GC_printf0("Reading dirty bits from /proc\n");
1516# else
1517 (void)GC_printf0("Using DEFAULT_VDB dirty bit implementation\n");
1518# endif
1519# endif
1520# endif
1521 run_one_test();
1522 check_heap_stats();
1523# ifndef MSWINCE
1524 (void)fflush(stdout);
1525# endif
1526# ifdef LINT
1527 /* Entry points we should be testing, but aren't. */
1528 /* Some can be tested by defining GC_DEBUG at the top of this file */
1529 /* This is a bit SunOS4 specific. */
1530 GC_noop(GC_expand_hp, GC_add_roots, GC_clear_roots,
1531 GC_register_disappearing_link,
1532 GC_register_finalizer_ignore_self,
1533 GC_debug_register_displacement,
1534 GC_print_obj, GC_debug_change_stubborn,
1535 GC_debug_end_stubborn_change, GC_debug_malloc_uncollectable,
1536 GC_debug_free, GC_debug_realloc, GC_generic_malloc_words_small,
1537 GC_init, GC_make_closure, GC_debug_invoke_finalizer,
1538 GC_page_was_ever_dirty, GC_is_fresh,
1539 GC_malloc_ignore_off_page, GC_malloc_atomic_ignore_off_page,
1540 GC_set_max_heap_size, GC_get_bytes_since_gc,
1541 GC_get_total_bytes, GC_pre_incr, GC_post_incr);
1542# endif
1543# ifdef MSWIN32
1544 GC_win32_free_heap();
1545# endif
1546 return(0);
1547}
1548# endif
1549
1550#if defined(GC_WIN32_THREADS) && !defined(CYGWIN32)
1551
1552DWORD __stdcall thr_run_one_test(void *arg)
1553{
1554 run_one_test();
1555 return 0;
1556}
1557
1558#ifdef MSWINCE
1559HANDLE win_created_h;
1560HWND win_handle;
1561
1562LRESULT CALLBACK window_proc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
1563{
1564 LRESULT ret = 0;
1565 switch (uMsg) {
1566 case WM_HIBERNATE:
1567 GC_printf0("Received WM_HIBERNATE, calling GC_gcollect\n");
1568 GC_gcollect();
1569 break;
1570 case WM_CLOSE:
1571 GC_printf0("Received WM_CLOSE, closing window\n");
1572 DestroyWindow(hwnd);
1573 break;
1574 case WM_DESTROY:
1575 PostQuitMessage(0);
1576 break;
1577 default:
1578 ret = DefWindowProc(hwnd, uMsg, wParam, lParam);
1579 break;
1580 }
1581 return ret;
1582}
1583
1584DWORD __stdcall thr_window(void *arg)
1585{
1586 WNDCLASS win_class = {
1587 CS_NOCLOSE,
1588 window_proc,
1589 0,
1590 0,
1591 GetModuleHandle(NULL),
1592 NULL,
1593 NULL,
1594 (HBRUSH)(COLOR_APPWORKSPACE+1),
1595 NULL,
1596 L"GCtestWindow"
1597 };
1598 MSG msg;
1599
1600 if (!RegisterClass(&win_class))
1601 FAIL;
1602
1603 win_handle = CreateWindowEx(
1604 0,
1605 L"GCtestWindow",
1606 L"GCtest",
1607 0,
1608 CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
1609 NULL,
1610 NULL,
1611 GetModuleHandle(NULL),
1612 NULL);
1613
1614 if (win_handle == NULL)
1615 FAIL;
1616
1617 SetEvent(win_created_h);
1618
1619 ShowWindow(win_handle, SW_SHOW);
1620 UpdateWindow(win_handle);
1621
1622 while (GetMessage(&msg, NULL, 0, 0)) {
1623 TranslateMessage(&msg);
1624 DispatchMessage(&msg);
1625 }
1626
1627 return 0;
1628}
1629#endif
1630
1631#define NTEST 2
1632
1633# ifdef MSWINCE
1634int APIENTRY GC_WinMain(HINSTANCE instance, HINSTANCE prev, LPWSTR cmd, int n)
1635# else
1636int APIENTRY WinMain(HINSTANCE instance, HINSTANCE prev, LPSTR cmd, int n)
1637# endif
1638{
1639# if NTEST > 0
1640 HANDLE h[NTEST];
1641 int i;
1642# endif
1643# ifdef MSWINCE
1644 HANDLE win_thr_h;
1645# endif
1646 DWORD thread_id;
1647# if 0
1648 GC_enable_incremental();
1649# endif
1650 GC_init();
1651 InitializeCriticalSection(&incr_cs);
1652 (void) GC_set_warn_proc(warn_proc);
1653# ifdef MSWINCE
1654 win_created_h = CreateEvent(NULL, FALSE, FALSE, NULL);
1655 if (win_created_h == (HANDLE)NULL) {
1656 (void)GC_printf1("Event creation failed %lu\n", (unsigned long)GetLastError());
1657 FAIL;
1658 }
1659 win_thr_h = GC_CreateThread(NULL, 0, thr_window, 0, 0, &thread_id);
1660 if (win_thr_h == (HANDLE)NULL) {
1661 (void)GC_printf1("Thread creation failed %lu\n", (unsigned long)GetLastError());
1662 FAIL;
1663 }
1664 if (WaitForSingleObject(win_created_h, INFINITE) != WAIT_OBJECT_0)
1665 FAIL;
1666 CloseHandle(win_created_h);
1667# endif
1668# if NTEST > 0
1669 for (i = 0; i < NTEST; i++) {
1670 h[i] = GC_CreateThread(NULL, 0, thr_run_one_test, 0, 0, &thread_id);
1671 if (h[i] == (HANDLE)NULL) {
1672 (void)GC_printf1("Thread creation failed %lu\n", (unsigned long)GetLastError());
1673 FAIL;
1674 }
1675 }
1676# endif /* NTEST > 0 */
1677 run_one_test();
1678# if NTEST > 0
1679 for (i = 0; i < NTEST; i++) {
1680 if (WaitForSingleObject(h[i], INFINITE) != WAIT_OBJECT_0) {
1681 (void)GC_printf1("Thread wait failed %lu\n", (unsigned long)GetLastError());
1682 FAIL;
1683 }
1684 }
1685# endif /* NTEST > 0 */
1686# ifdef MSWINCE
1687 PostMessage(win_handle, WM_CLOSE, 0, 0);
1688 if (WaitForSingleObject(win_thr_h, INFINITE) != WAIT_OBJECT_0)
1689 FAIL;
1690# endif
1691 check_heap_stats();
1692 return(0);
1693}
1694
1695#endif /* GC_WIN32_THREADS */
1696
1697
1698#ifdef PCR
1699test()
1700{
1701 PCR_Th_T * th1;
1702 PCR_Th_T * th2;
1703 int code;
1704
1705 n_tests = 0;
1706 /* GC_enable_incremental(); */
1707 (void) GC_set_warn_proc(warn_proc);
1708 th1 = PCR_Th_Fork(run_one_test, 0);
1709 th2 = PCR_Th_Fork(run_one_test, 0);
1710 run_one_test();
1711 if (PCR_Th_T_Join(th1, &code, NIL, PCR_allSigsBlocked, PCR_waitForever)
1712 != PCR_ERes_okay || code != 0) {
1713 (void)GC_printf0("Thread 1 failed\n");
1714 }
1715 if (PCR_Th_T_Join(th2, &code, NIL, PCR_allSigsBlocked, PCR_waitForever)
1716 != PCR_ERes_okay || code != 0) {
1717 (void)GC_printf0("Thread 2 failed\n");
1718 }
1719 check_heap_stats();
1720 return(0);
1721}
1722#endif
1723
1724#if defined(GC_SOLARIS_THREADS) || defined(GC_PTHREADS)
1725void * thr_run_one_test(void * arg)
1726{
1727 run_one_test();
1728 return(0);
1729}
1730
1731#ifdef GC_DEBUG
1732# define GC_free GC_debug_free
1733#endif
1734
1735#if defined(GC_SOLARIS_THREADS) && !defined(GC_SOLARIS_PTHREADS)
1736main()
1737{
1738 thread_t th1;
1739 thread_t th2;
1740 int code;
1741
1742 n_tests = 0;
1743 GC_INIT(); /* Only needed if gc is dynamic library. */
1744# ifndef MAKE_BACK_GRAPH
1745 GC_enable_incremental();
1746# endif
1747 (void) GC_set_warn_proc(warn_proc);
1748 if (thr_keycreate(&fl_key, GC_free) != 0) {
1749 (void)GC_printf1("Key creation failed %lu\n", (unsigned long)code);
1750 FAIL;
1751 }
1752 if ((code = thr_create(0, 1024*1024, thr_run_one_test, 0, 0, &th1)) != 0) {
1753 (void)GC_printf1("Thread 1 creation failed %lu\n", (unsigned long)code);
1754 FAIL;
1755 }
1756 if ((code = thr_create(0, 1024*1024, thr_run_one_test, 0, THR_NEW_LWP, &th2)) != 0) {
1757 (void)GC_printf1("Thread 2 creation failed %lu\n", (unsigned long)code);
1758 FAIL;
1759 }
1760 run_one_test();
1761 if ((code = thr_join(th1, 0, 0)) != 0) {
1762 (void)GC_printf1("Thread 1 failed %lu\n", (unsigned long)code);
1763 FAIL;
1764 }
1765 if (thr_join(th2, 0, 0) != 0) {
1766 (void)GC_printf1("Thread 2 failed %lu\n", (unsigned long)code);
1767 FAIL;
1768 }
1769 check_heap_stats();
1770 (void)fflush(stdout);
1771 return(0);
1772}
1773#else /* pthreads */
1774
1775#ifndef GC_PTHREADS
1776 --> bad news
1777#endif
1778
1779main()
1780{
1781 pthread_t th1;
1782 pthread_t th2;
1783 pthread_attr_t attr;
1784 int code;
1785
1786# ifdef GC_IRIX_THREADS
1787 /* Force a larger stack to be preallocated */
1788 /* Since the initial cant always grow later. */
1789 *((volatile char *)&code - 1024*1024) = 0; /* Require 1 Mb */
1790# endif /* GC_IRIX_THREADS */
1791# if defined(GC_HPUX_THREADS)
1792 /* Default stack size is too small, especially with the 64 bit ABI */
1793 /* Increase it. */
1794 if (pthread_default_stacksize_np(1024*1024, 0) != 0) {
1795 (void)GC_printf0("pthread_default_stacksize_np failed.\n");
1796 }
1797# endif /* GC_HPUX_THREADS */
1798 GC_INIT();
1799
1800 pthread_attr_init(&attr);
1801# if defined(GC_IRIX_THREADS) || defined(GC_FREEBSD_THREADS) \
1802 || defined(GC_DARWIN_THREADS) || defined(GC_AIX_THREADS)
1803 pthread_attr_setstacksize(&attr, 1000000);
1804# endif
1805 n_tests = 0;
1806# if (defined(MPROTECT_VDB)) \
1807 && !defined(PARALLEL_MARK) &&!defined(REDIRECT_MALLOC) \
1808 && !defined(MAKE_BACK_GRAPH)
1809 GC_enable_incremental();
1810 (void) GC_printf0("Switched to incremental mode\n");
1811# if defined(MPROTECT_VDB)
1812 (void)GC_printf0("Emulating dirty bits with mprotect/signals\n");
1813# else
1814# ifdef PROC_VDB
1815 (void)GC_printf0("Reading dirty bits from /proc\n");
1816# else
1817 (void)GC_printf0("Using DEFAULT_VDB dirty bit implementation\n");
1818# endif
1819# endif
1820# endif
1821 (void) GC_set_warn_proc(warn_proc);
1822 if ((code = pthread_key_create(&fl_key, 0)) != 0) {
1823 (void)GC_printf1("Key creation failed %lu\n", (unsigned long)code);
1824 FAIL;
1825 }
1826 if ((code = pthread_create(&th1, &attr, thr_run_one_test, 0)) != 0) {
1827 (void)GC_printf1("Thread 1 creation failed %lu\n", (unsigned long)code);
1828 FAIL;
1829 }
1830 if ((code = pthread_create(&th2, &attr, thr_run_one_test, 0)) != 0) {
1831 (void)GC_printf1("Thread 2 creation failed %lu\n", (unsigned long)code);
1832 FAIL;
1833 }
1834 run_one_test();
1835 if ((code = pthread_join(th1, 0)) != 0) {
1836 (void)GC_printf1("Thread 1 failed %lu\n", (unsigned long)code);
1837 FAIL;
1838 }
1839 if (pthread_join(th2, 0) != 0) {
1840 (void)GC_printf1("Thread 2 failed %lu\n", (unsigned long)code);
1841 FAIL;
1842 }
1843 check_heap_stats();
1844 (void)fflush(stdout);
1845 pthread_attr_destroy(&attr);
1846 GC_printf1("Completed %d collections\n", GC_gc_no);
1847 return(0);
1848}
1849#endif /* GC_PTHREADS */
1850#endif /* GC_SOLARIS_THREADS || GC_PTHREADS */
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