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[gcc.git] / boehm-gc / tests / test.c
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 */
81 int stubborn_count = 0;
82 int uncollectable_count = 0;
83 int collectable_count = 0;
84 int atomic_count = 0;
85 int 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
145 struct SEXPR {
146 struct SEXPR * sexpr_car;
147 struct SEXPR * sexpr_cdr;
148 };
149
150
151 typedef 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
162 int 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
169 sexpr cons (x, y)
170 sexpr x;
171 sexpr 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. */
215 struct fake_vtable {
216 void * dummy; /* class pointer in real gcj. */
217 size_t descr;
218 };
219
220 struct fake_vtable gcj_class_struct1 = { 0, sizeof(struct SEXPR)
221 + sizeof(struct fake_vtable *) };
222 /* length based descriptor. */
223 struct fake_vtable gcj_class_struct2 =
224 { 0, (3l << (CPP_WORDSZ - 3)) | GC_DS_BITMAP};
225 /* Bitmap based descriptor. */
226
227 struct 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
254 sexpr local_cons (x, y)
255 sexpr x;
256 sexpr 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
297 sexpr small_cons (x, y)
298 sexpr x;
299 sexpr 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
314 sexpr small_cons_uncollectable (x, y)
315 sexpr x;
316 sexpr 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
334 sexpr gcj_cons(x, y)
335 sexpr x;
336 sexpr 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 */
365 sexpr reverse1(x, y)
366 sexpr 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
375 sexpr reverse(x)
376 sexpr x;
377 {
378 # ifdef TEST_WITH_SYSTEM_MALLOC
379 malloc(100000);
380 # endif
381 return( reverse1(x, nil) );
382 }
383
384 sexpr ints(low, up)
385 int 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 */
396 sexpr gcj_reverse1(x, y)
397 sexpr 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
406 sexpr gcj_reverse(x)
407 sexpr x;
408 {
409 return( gcj_reverse1(x, nil) );
410 }
411
412 sexpr gcj_ints(low, up)
413 int 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 */
425 sexpr local_reverse1(x, y)
426 sexpr 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
435 sexpr local_reverse(x)
436 sexpr x;
437 {
438 return( local_reverse1(x, nil) );
439 }
440
441 sexpr local_ints(low, up)
442 int 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. */
454 sexpr uncollectable_ints(low, up)
455 int 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
465 void check_ints(list, low, up)
466 sexpr list;
467 int 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
486 void check_uncollectable_ints(list, low, up)
487 sexpr list;
488 int 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: */
506 void print_int_list(x)
507 sexpr 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 */
593 struct {
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 */
603 void 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 */
725 typedef struct treenode {
726 int level;
727 struct treenode * lchild;
728 struct treenode * rchild;
729 } tn;
730
731 int finalizable_count = 0;
732 int finalized_count = 0;
733 VOLATILE 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
781 size_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
792 int live_indicators_count = 0;
793
794 tn * mktree(n)
795 int 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
901 void chktree(t,n)
902 tn *t;
903 int 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)
928 thread_key_t fl_key;
929
930 void * 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)
969 pthread_key_t fl_key;
970
971 void * 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
1009 void alloc_small(n)
1010 int 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
1036 void 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
1064 unsigned n_tests = 0;
1065
1066 GC_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 */
1080 void 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
1155 int fail_count = 0;
1156
1157 #ifndef __STDC__
1158 /*ARGSUSED*/
1159 void fail_proc1(x)
1160 GC_PTR x;
1161 {
1162 fail_count++;
1163 }
1164
1165 #else
1166
1167 /*ARGSUSED*/
1168 void fail_proc1(GC_PTR x)
1169 {
1170 fail_count++;
1171 }
1172
1173 static 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
1200 void 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
1349 void 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 # ifdef GC_DEBUG
1371 max_heap_sz *= 2;
1372 # ifdef SAVE_CALL_CHAIN
1373 max_heap_sz *= 3;
1374 # ifdef SAVE_CALL_COUNT
1375 max_heap_sz += max_heap_sz * SAVE_CALL_COUNT/4;
1376 # endif
1377 # endif
1378 # endif
1379 /* Garbage collect repeatedly so that all inaccessible objects */
1380 /* can be finalized. */
1381 while (GC_collect_a_little()) { }
1382 for (i = 0; i < 16; i++) {
1383 GC_gcollect();
1384 late_finalize_count += GC_invoke_finalizers();
1385 }
1386 (void)GC_printf1("Completed %lu tests\n", (unsigned long)n_tests);
1387 (void)GC_printf1("Allocated %lu collectable objects\n", (unsigned long)collectable_count);
1388 (void)GC_printf1("Allocated %lu uncollectable objects\n", (unsigned long)uncollectable_count);
1389 (void)GC_printf1("Allocated %lu atomic objects\n", (unsigned long)atomic_count);
1390 (void)GC_printf1("Allocated %lu stubborn objects\n", (unsigned long)stubborn_count);
1391 (void)GC_printf2("Finalized %lu/%lu objects - ",
1392 (unsigned long)finalized_count,
1393 (unsigned long)finalizable_count);
1394 # ifdef FINALIZE_ON_DEMAND
1395 if (finalized_count != late_finalize_count) {
1396 (void)GC_printf0("Demand finalization error\n");
1397 FAIL;
1398 }
1399 # endif
1400 if (finalized_count > finalizable_count
1401 || finalized_count < finalizable_count/2) {
1402 (void)GC_printf0("finalization is probably broken\n");
1403 FAIL;
1404 } else {
1405 (void)GC_printf0("finalization is probably ok\n");
1406 }
1407 still_live = 0;
1408 for (i = 0; i < MAX_FINALIZED; i++) {
1409 if (live_indicators[i] != 0) {
1410 still_live++;
1411 }
1412 }
1413 i = finalizable_count - finalized_count - still_live;
1414 if (0 != i) {
1415 (void)GC_printf2
1416 ("%lu disappearing links remain and %ld more objects were not finalized\n",
1417 (unsigned long) still_live, (long)i);
1418 if (i > 10) {
1419 GC_printf0("\tVery suspicious!\n");
1420 } else {
1421 GC_printf0("\tSlightly suspicious, but probably OK.\n");
1422 }
1423 }
1424 (void)GC_printf1("Total number of bytes allocated is %lu\n",
1425 (unsigned long)
1426 WORDS_TO_BYTES(GC_words_allocd + GC_words_allocd_before_gc));
1427 (void)GC_printf1("Final heap size is %lu bytes\n",
1428 (unsigned long)GC_get_heap_size());
1429 if (WORDS_TO_BYTES(GC_words_allocd + GC_words_allocd_before_gc)
1430 # ifdef VERY_SMALL_CONFIG
1431 < 2700000*n_tests) {
1432 # else
1433 < 33500000*n_tests) {
1434 # endif
1435 (void)GC_printf0("Incorrect execution - missed some allocations\n");
1436 FAIL;
1437 }
1438 if (GC_get_heap_size() > max_heap_sz*n_tests) {
1439 (void)GC_printf0("Unexpected heap growth - collector may be broken\n");
1440 FAIL;
1441 }
1442 (void)GC_printf0("Collector appears to work\n");
1443 }
1444
1445 #if defined(MACOS)
1446 void SetMinimumStack(long minSize)
1447 {
1448 long newApplLimit;
1449
1450 if (minSize > LMGetDefltStack())
1451 {
1452 newApplLimit = (long) GetApplLimit()
1453 - (minSize - LMGetDefltStack());
1454 SetApplLimit((Ptr) newApplLimit);
1455 MaxApplZone();
1456 }
1457 }
1458
1459 #define cMinStackSpace (512L * 1024L)
1460
1461 #endif
1462
1463 #ifdef __STDC__
1464 void warn_proc(char *msg, GC_word p)
1465 #else
1466 void warn_proc(msg, p)
1467 char *msg;
1468 GC_word p;
1469 #endif
1470 {
1471 GC_printf1(msg, (unsigned long)p);
1472 /*FAIL;*/
1473 }
1474
1475
1476 #if !defined(PCR) && !defined(GC_SOLARIS_THREADS) \
1477 && !defined(GC_WIN32_THREADS) && !defined(GC_PTHREADS) \
1478 || defined(LINT)
1479 #if defined(MSWIN32) && !defined(__MINGW32__)
1480 int APIENTRY WinMain(HINSTANCE instance, HINSTANCE prev, LPTSTR cmd, int n)
1481 #else
1482 int main()
1483 #endif
1484 {
1485 # if defined(DJGPP)
1486 int dummy;
1487 # endif
1488 n_tests = 0;
1489
1490 # if defined(DJGPP)
1491 /* No good way to determine stack base from library; do it */
1492 /* manually on this platform. */
1493 GC_stackbottom = (GC_PTR)(&dummy);
1494 # endif
1495 # if defined(MACOS)
1496 /* Make sure we have lots and lots of stack space. */
1497 SetMinimumStack(cMinStackSpace);
1498 /* Cheat and let stdio initialize toolbox for us. */
1499 printf("Testing GC Macintosh port.\n");
1500 # endif
1501 GC_INIT(); /* Only needed on a few platforms. */
1502 (void) GC_set_warn_proc(warn_proc);
1503 # if (defined(MPROTECT_VDB) || defined(PROC_VDB)) \
1504 && !defined(MAKE_BACK_GRAPH)
1505 GC_enable_incremental();
1506 (void) GC_printf0("Switched to incremental mode\n");
1507 # if defined(MPROTECT_VDB)
1508 (void)GC_printf0("Emulating dirty bits with mprotect/signals\n");
1509 # else
1510 # ifdef PROC_VDB
1511 (void)GC_printf0("Reading dirty bits from /proc\n");
1512 # else
1513 (void)GC_printf0("Using DEFAULT_VDB dirty bit implementation\n");
1514 # endif
1515 # endif
1516 # endif
1517 run_one_test();
1518 check_heap_stats();
1519 # ifndef MSWINCE
1520 (void)fflush(stdout);
1521 # endif
1522 # ifdef LINT
1523 /* Entry points we should be testing, but aren't. */
1524 /* Some can be tested by defining GC_DEBUG at the top of this file */
1525 /* This is a bit SunOS4 specific. */
1526 GC_noop(GC_expand_hp, GC_add_roots, GC_clear_roots,
1527 GC_register_disappearing_link,
1528 GC_register_finalizer_ignore_self,
1529 GC_debug_register_displacement,
1530 GC_print_obj, GC_debug_change_stubborn,
1531 GC_debug_end_stubborn_change, GC_debug_malloc_uncollectable,
1532 GC_debug_free, GC_debug_realloc, GC_generic_malloc_words_small,
1533 GC_init, GC_make_closure, GC_debug_invoke_finalizer,
1534 GC_page_was_ever_dirty, GC_is_fresh,
1535 GC_malloc_ignore_off_page, GC_malloc_atomic_ignore_off_page,
1536 GC_set_max_heap_size, GC_get_bytes_since_gc,
1537 GC_get_total_bytes, GC_pre_incr, GC_post_incr);
1538 # endif
1539 # ifdef MSWIN32
1540 GC_win32_free_heap();
1541 # endif
1542 return(0);
1543 }
1544 # endif
1545
1546 #if defined(GC_WIN32_THREADS) && !defined(CYGWIN32)
1547
1548 DWORD __stdcall thr_run_one_test(void *arg)
1549 {
1550 run_one_test();
1551 return 0;
1552 }
1553
1554 #ifdef MSWINCE
1555 HANDLE win_created_h;
1556 HWND win_handle;
1557
1558 LRESULT CALLBACK window_proc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
1559 {
1560 LRESULT ret = 0;
1561 switch (uMsg) {
1562 case WM_HIBERNATE:
1563 GC_printf0("Received WM_HIBERNATE, calling GC_gcollect\n");
1564 GC_gcollect();
1565 break;
1566 case WM_CLOSE:
1567 GC_printf0("Received WM_CLOSE, closing window\n");
1568 DestroyWindow(hwnd);
1569 break;
1570 case WM_DESTROY:
1571 PostQuitMessage(0);
1572 break;
1573 default:
1574 ret = DefWindowProc(hwnd, uMsg, wParam, lParam);
1575 break;
1576 }
1577 return ret;
1578 }
1579
1580 DWORD __stdcall thr_window(void *arg)
1581 {
1582 WNDCLASS win_class = {
1583 CS_NOCLOSE,
1584 window_proc,
1585 0,
1586 0,
1587 GetModuleHandle(NULL),
1588 NULL,
1589 NULL,
1590 (HBRUSH)(COLOR_APPWORKSPACE+1),
1591 NULL,
1592 L"GCtestWindow"
1593 };
1594 MSG msg;
1595
1596 if (!RegisterClass(&win_class))
1597 FAIL;
1598
1599 win_handle = CreateWindowEx(
1600 0,
1601 L"GCtestWindow",
1602 L"GCtest",
1603 0,
1604 CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
1605 NULL,
1606 NULL,
1607 GetModuleHandle(NULL),
1608 NULL);
1609
1610 if (win_handle == NULL)
1611 FAIL;
1612
1613 SetEvent(win_created_h);
1614
1615 ShowWindow(win_handle, SW_SHOW);
1616 UpdateWindow(win_handle);
1617
1618 while (GetMessage(&msg, NULL, 0, 0)) {
1619 TranslateMessage(&msg);
1620 DispatchMessage(&msg);
1621 }
1622
1623 return 0;
1624 }
1625 #endif
1626
1627 #define NTEST 2
1628
1629 # ifdef MSWINCE
1630 int APIENTRY GC_WinMain(HINSTANCE instance, HINSTANCE prev, LPWSTR cmd, int n)
1631 # else
1632 int APIENTRY WinMain(HINSTANCE instance, HINSTANCE prev, LPSTR cmd, int n)
1633 # endif
1634 {
1635 # if NTEST > 0
1636 HANDLE h[NTEST];
1637 int i;
1638 # endif
1639 # ifdef MSWINCE
1640 HANDLE win_thr_h;
1641 # endif
1642 DWORD thread_id;
1643 # if 0
1644 GC_enable_incremental();
1645 # endif
1646 GC_init();
1647 InitializeCriticalSection(&incr_cs);
1648 (void) GC_set_warn_proc(warn_proc);
1649 # ifdef MSWINCE
1650 win_created_h = CreateEvent(NULL, FALSE, FALSE, NULL);
1651 if (win_created_h == (HANDLE)NULL) {
1652 (void)GC_printf1("Event creation failed %lu\n", (unsigned long)GetLastError());
1653 FAIL;
1654 }
1655 win_thr_h = GC_CreateThread(NULL, 0, thr_window, 0, 0, &thread_id);
1656 if (win_thr_h == (HANDLE)NULL) {
1657 (void)GC_printf1("Thread creation failed %lu\n", (unsigned long)GetLastError());
1658 FAIL;
1659 }
1660 if (WaitForSingleObject(win_created_h, INFINITE) != WAIT_OBJECT_0)
1661 FAIL;
1662 CloseHandle(win_created_h);
1663 # endif
1664 # if NTEST > 0
1665 for (i = 0; i < NTEST; i++) {
1666 h[i] = GC_CreateThread(NULL, 0, thr_run_one_test, 0, 0, &thread_id);
1667 if (h[i] == (HANDLE)NULL) {
1668 (void)GC_printf1("Thread creation failed %lu\n", (unsigned long)GetLastError());
1669 FAIL;
1670 }
1671 }
1672 # endif /* NTEST > 0 */
1673 run_one_test();
1674 # if NTEST > 0
1675 for (i = 0; i < NTEST; i++) {
1676 if (WaitForSingleObject(h[i], INFINITE) != WAIT_OBJECT_0) {
1677 (void)GC_printf1("Thread wait failed %lu\n", (unsigned long)GetLastError());
1678 FAIL;
1679 }
1680 }
1681 # endif /* NTEST > 0 */
1682 # ifdef MSWINCE
1683 PostMessage(win_handle, WM_CLOSE, 0, 0);
1684 if (WaitForSingleObject(win_thr_h, INFINITE) != WAIT_OBJECT_0)
1685 FAIL;
1686 # endif
1687 check_heap_stats();
1688 return(0);
1689 }
1690
1691 #endif /* GC_WIN32_THREADS */
1692
1693
1694 #ifdef PCR
1695 test()
1696 {
1697 PCR_Th_T * th1;
1698 PCR_Th_T * th2;
1699 int code;
1700
1701 n_tests = 0;
1702 /* GC_enable_incremental(); */
1703 (void) GC_set_warn_proc(warn_proc);
1704 th1 = PCR_Th_Fork(run_one_test, 0);
1705 th2 = PCR_Th_Fork(run_one_test, 0);
1706 run_one_test();
1707 if (PCR_Th_T_Join(th1, &code, NIL, PCR_allSigsBlocked, PCR_waitForever)
1708 != PCR_ERes_okay || code != 0) {
1709 (void)GC_printf0("Thread 1 failed\n");
1710 }
1711 if (PCR_Th_T_Join(th2, &code, NIL, PCR_allSigsBlocked, PCR_waitForever)
1712 != PCR_ERes_okay || code != 0) {
1713 (void)GC_printf0("Thread 2 failed\n");
1714 }
1715 check_heap_stats();
1716 return(0);
1717 }
1718 #endif
1719
1720 #if defined(GC_SOLARIS_THREADS) || defined(GC_PTHREADS)
1721 void * thr_run_one_test(void * arg)
1722 {
1723 run_one_test();
1724 return(0);
1725 }
1726
1727 #ifdef GC_DEBUG
1728 # define GC_free GC_debug_free
1729 #endif
1730
1731 #if defined(GC_SOLARIS_THREADS) && !defined(GC_SOLARIS_PTHREADS)
1732 main()
1733 {
1734 thread_t th1;
1735 thread_t th2;
1736 int code;
1737
1738 n_tests = 0;
1739 GC_INIT(); /* Only needed if gc is dynamic library. */
1740 # ifndef MAKE_BACK_GRAPH
1741 GC_enable_incremental();
1742 # endif
1743 (void) GC_set_warn_proc(warn_proc);
1744 if (thr_keycreate(&fl_key, GC_free) != 0) {
1745 (void)GC_printf1("Key creation failed %lu\n", (unsigned long)code);
1746 FAIL;
1747 }
1748 if ((code = thr_create(0, 1024*1024, thr_run_one_test, 0, 0, &th1)) != 0) {
1749 (void)GC_printf1("Thread 1 creation failed %lu\n", (unsigned long)code);
1750 FAIL;
1751 }
1752 if ((code = thr_create(0, 1024*1024, thr_run_one_test, 0, THR_NEW_LWP, &th2)) != 0) {
1753 (void)GC_printf1("Thread 2 creation failed %lu\n", (unsigned long)code);
1754 FAIL;
1755 }
1756 run_one_test();
1757 if ((code = thr_join(th1, 0, 0)) != 0) {
1758 (void)GC_printf1("Thread 1 failed %lu\n", (unsigned long)code);
1759 FAIL;
1760 }
1761 if (thr_join(th2, 0, 0) != 0) {
1762 (void)GC_printf1("Thread 2 failed %lu\n", (unsigned long)code);
1763 FAIL;
1764 }
1765 check_heap_stats();
1766 (void)fflush(stdout);
1767 return(0);
1768 }
1769 #else /* pthreads */
1770
1771 #ifndef GC_PTHREADS
1772 --> bad news
1773 #endif
1774
1775 main()
1776 {
1777 pthread_t th1;
1778 pthread_t th2;
1779 pthread_attr_t attr;
1780 int code;
1781
1782 # ifdef GC_IRIX_THREADS
1783 /* Force a larger stack to be preallocated */
1784 /* Since the initial cant always grow later. */
1785 *((volatile char *)&code - 1024*1024) = 0; /* Require 1 Mb */
1786 # endif /* GC_IRIX_THREADS */
1787 # if defined(GC_HPUX_THREADS)
1788 /* Default stack size is too small, especially with the 64 bit ABI */
1789 /* Increase it. */
1790 if (pthread_default_stacksize_np(1024*1024, 0) != 0) {
1791 (void)GC_printf0("pthread_default_stacksize_np failed.\n");
1792 }
1793 # endif /* GC_HPUX_THREADS */
1794 GC_INIT();
1795
1796 pthread_attr_init(&attr);
1797 # if defined(GC_IRIX_THREADS) || defined(GC_FREEBSD_THREADS) \
1798 || defined(GC_DARWIN_THREADS) || defined(GC_AIX_THREADS)
1799 pthread_attr_setstacksize(&attr, 1000000);
1800 # endif
1801 n_tests = 0;
1802 # if (defined(MPROTECT_VDB)) \
1803 && !defined(PARALLEL_MARK) &&!defined(REDIRECT_MALLOC) \
1804 && !defined(MAKE_BACK_GRAPH)
1805 GC_enable_incremental();
1806 (void) GC_printf0("Switched to incremental mode\n");
1807 # if defined(MPROTECT_VDB)
1808 (void)GC_printf0("Emulating dirty bits with mprotect/signals\n");
1809 # else
1810 # ifdef PROC_VDB
1811 (void)GC_printf0("Reading dirty bits from /proc\n");
1812 # else
1813 (void)GC_printf0("Using DEFAULT_VDB dirty bit implementation\n");
1814 # endif
1815 # endif
1816 # endif
1817 (void) GC_set_warn_proc(warn_proc);
1818 if ((code = pthread_key_create(&fl_key, 0)) != 0) {
1819 (void)GC_printf1("Key creation failed %lu\n", (unsigned long)code);
1820 FAIL;
1821 }
1822 if ((code = pthread_create(&th1, &attr, thr_run_one_test, 0)) != 0) {
1823 (void)GC_printf1("Thread 1 creation failed %lu\n", (unsigned long)code);
1824 FAIL;
1825 }
1826 if ((code = pthread_create(&th2, &attr, thr_run_one_test, 0)) != 0) {
1827 (void)GC_printf1("Thread 2 creation failed %lu\n", (unsigned long)code);
1828 FAIL;
1829 }
1830 run_one_test();
1831 if ((code = pthread_join(th1, 0)) != 0) {
1832 (void)GC_printf1("Thread 1 failed %lu\n", (unsigned long)code);
1833 FAIL;
1834 }
1835 if (pthread_join(th2, 0) != 0) {
1836 (void)GC_printf1("Thread 2 failed %lu\n", (unsigned long)code);
1837 FAIL;
1838 }
1839 check_heap_stats();
1840 (void)fflush(stdout);
1841 pthread_attr_destroy(&attr);
1842 GC_printf1("Completed %d collections\n", GC_gc_no);
1843 return(0);
1844 }
1845 #endif /* GC_PTHREADS */
1846 #endif /* GC_SOLARIS_THREADS || GC_PTHREADS */
GNU Compiler Collection
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