aboutsummaryrefslogtreecommitdiffstats
path: root/gc/tests
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--gc/tests/leak_test.c21
-rw-r--r--gc/tests/test.c1660
-rw-r--r--gc/tests/test_cpp.cc277
-rw-r--r--gc/tests/thread_leak_test.c40
-rw-r--r--gc/tests/trace_test.c28
5 files changed, 2026 insertions, 0 deletions
diff --git a/gc/tests/leak_test.c b/gc/tests/leak_test.c
new file mode 100644
index 0000000..421d0c6
--- /dev/null
+++ b/gc/tests/leak_test.c
@@ -0,0 +1,21 @@
+#include "leak_detector.h"
+
+main() {
+ int *p[10];
+ int i;
+ GC_find_leak = 1; /* for new collect versions not compiled */
+ /* with -DFIND_LEAK. */
+ for (i = 0; i < 10; ++i) {
+ p[i] = malloc(sizeof(int)+i);
+ }
+ CHECK_LEAKS();
+ for (i = 1; i < 10; ++i) {
+ free(p[i]);
+ }
+ for (i = 0; i < 9; ++i) {
+ p[i] = malloc(sizeof(int)+i);
+ }
+ CHECK_LEAKS();
+ CHECK_LEAKS();
+ CHECK_LEAKS();
+}
diff --git a/gc/tests/test.c b/gc/tests/test.c
new file mode 100644
index 0000000..1bd98d6
--- /dev/null
+++ b/gc/tests/test.c
@@ -0,0 +1,1660 @@
+/*
+ * Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers
+ * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved.
+ * Copyright (c) 1996 by Silicon Graphics. All rights reserved.
+ *
+ * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
+ * OR IMPLIED. ANY USE IS AT YOUR OWN RISK.
+ *
+ * Permission is hereby granted to use or copy this program
+ * for any purpose, provided the above notices are retained on all copies.
+ * Permission to modify the code and to distribute modified code is granted,
+ * provided the above notices are retained, and a notice that the code was
+ * modified is included with the above copyright notice.
+ */
+/* An incomplete test for the garbage collector. */
+/* Some more obscure entry points are not tested at all. */
+/* This must be compiled with the same flags used to build the */
+/* GC. It uses GC internals to allow more precise results */
+/* checking for some of the tests. */
+
+# undef GC_BUILD
+
+#ifdef DBG_HDRS_ALL
+# define GC_DEBUG
+#endif
+
+# if defined(mips) && defined(SYSTYPE_BSD43)
+ /* MIPS RISCOS 4 */
+# else
+# include <stdlib.h>
+# endif
+# include <stdio.h>
+# ifdef _WIN32_WCE
+# include <winbase.h>
+# define assert ASSERT
+# else
+# include <assert.h> /* Not normally used, but handy for debugging. */
+# endif
+# include <assert.h> /* Not normally used, but handy for debugging. */
+# include "gc.h"
+# include "gc_typed.h"
+# ifdef THREAD_LOCAL_ALLOC
+# include "gc_local_alloc.h"
+# endif
+# include "private/gc_priv.h" /* For output, locking, MIN_WORDS, */
+ /* and some statistics. */
+# include "private/gcconfig.h"
+
+# if defined(MSWIN32) || defined(MSWINCE)
+# include <windows.h>
+# endif
+
+# ifdef PCR
+# include "th/PCR_ThCrSec.h"
+# include "th/PCR_Th.h"
+# undef GC_printf0
+# define GC_printf0 printf
+# undef GC_printf1
+# define GC_printf1 printf
+# endif
+
+# ifdef SOLARIS_THREADS
+# include <thread.h>
+# include <synch.h>
+# endif
+
+# if defined(IRIX_THREADS) || defined(LINUX_THREADS) || defined(HPUX_THREADS)
+# include <pthread.h>
+# endif
+
+# ifdef WIN32_THREADS
+# ifndef MSWINCE
+# include <process.h>
+# define GC_CreateThread(a,b,c,d,e,f) ((HANDLE) _beginthreadex(a,b,c,d,e,f))
+# endif
+ static CRITICAL_SECTION incr_cs;
+# endif
+
+
+/* Allocation Statistics */
+int stubborn_count = 0;
+int uncollectable_count = 0;
+int collectable_count = 0;
+int atomic_count = 0;
+int realloc_count = 0;
+
+#if defined(GC_AMIGA_FASTALLOC) && defined(AMIGA)
+
+ extern void GC_amiga_free_all_mem(void);
+ void Amiga_Fail(void){GC_amiga_free_all_mem();abort();}
+# define FAIL (void)Amiga_Fail()
+ void *GC_amiga_gctest_malloc_explicitly_typed(size_t lb, GC_descr d){
+ void *ret=GC_malloc_explicitly_typed(lb,d);
+ if(ret==NULL){
+ if(!GC_dont_gc){
+ GC_gcollect();
+ ret=GC_malloc_explicitly_typed(lb,d);
+ }
+ if(ret==NULL){
+ GC_printf0("Out of memory, (typed allocations are not directly "
+ "supported with the GC_AMIGA_FASTALLOC option.)\n");
+ FAIL;
+ }
+ }
+ return ret;
+ }
+ void *GC_amiga_gctest_calloc_explicitly_typed(size_t a,size_t lb, GC_descr d){
+ void *ret=GC_calloc_explicitly_typed(a,lb,d);
+ if(ret==NULL){
+ if(!GC_dont_gc){
+ GC_gcollect();
+ ret=GC_calloc_explicitly_typed(a,lb,d);
+ }
+ if(ret==NULL){
+ GC_printf0("Out of memory, (typed allocations are not directly "
+ "supported with the GC_AMIGA_FASTALLOC option.)\n");
+ FAIL;
+ }
+ }
+ return ret;
+ }
+# define GC_malloc_explicitly_typed(a,b) GC_amiga_gctest_malloc_explicitly_typed(a,b)
+# define GC_calloc_explicitly_typed(a,b,c) GC_amiga_gctest_calloc_explicitly_typed(a,b,c)
+
+#else /* !AMIGA_FASTALLOC */
+
+# ifdef PCR
+# define FAIL (void)abort()
+# else
+# ifdef MSWINCE
+# define FAIL DebugBreak()
+# else
+# define FAIL GC_abort("Test failed");
+# endif
+# endif
+
+#endif /* !AMIGA_FASTALLOC */
+
+/* AT_END may be defined to exercise the interior pointer test */
+/* if the collector is configured with ALL_INTERIOR_POINTERS. */
+/* As it stands, this test should succeed with either */
+/* configuration. In the FIND_LEAK configuration, it should */
+/* find lots of leaks, since we free almost nothing. */
+
+struct SEXPR {
+ struct SEXPR * sexpr_car;
+ struct SEXPR * sexpr_cdr;
+};
+
+
+typedef struct SEXPR * sexpr;
+
+# define INT_TO_SEXPR(x) ((sexpr)(unsigned long)(x))
+
+# undef nil
+# define nil (INT_TO_SEXPR(0))
+# define car(x) ((x) -> sexpr_car)
+# define cdr(x) ((x) -> sexpr_cdr)
+# define is_nil(x) ((x) == nil)
+
+
+int extra_count = 0; /* Amount of space wasted in cons node */
+
+/* Silly implementation of Lisp cons. Intentionally wastes lots of space */
+/* to test collector. */
+# ifdef VERY_SMALL_CONFIG
+# define cons small_cons
+# else
+sexpr cons (x, y)
+sexpr x;
+sexpr y;
+{
+ register sexpr r;
+ register int *p;
+ register int my_extra = extra_count;
+
+ stubborn_count++;
+ r = (sexpr) GC_MALLOC_STUBBORN(sizeof(struct SEXPR) + my_extra);
+ if (r == 0) {
+ (void)GC_printf0("Out of memory\n");
+ exit(1);
+ }
+ for (p = (int *)r;
+ ((char *)p) < ((char *)r) + my_extra + sizeof(struct SEXPR); p++) {
+ if (*p) {
+ (void)GC_printf1("Found nonzero at 0x%lx - allocator is broken\n",
+ (unsigned long)p);
+ FAIL;
+ }
+ *p = 13;
+ }
+# ifdef AT_END
+ r = (sexpr)((char *)r + (my_extra & ~7));
+# endif
+ r -> sexpr_car = x;
+ r -> sexpr_cdr = y;
+ my_extra++;
+ if ( my_extra >= 5000 ) {
+ extra_count = 0;
+ } else {
+ extra_count = my_extra;
+ }
+ GC_END_STUBBORN_CHANGE((char *)r);
+ return(r);
+}
+# endif
+
+sexpr small_cons (x, y)
+sexpr x;
+sexpr y;
+{
+ register sexpr r;
+
+ collectable_count++;
+ r = (sexpr) GC_MALLOC(sizeof(struct SEXPR));
+ if (r == 0) {
+ (void)GC_printf0("Out of memory\n");
+ exit(1);
+ }
+ r -> sexpr_car = x;
+ r -> sexpr_cdr = y;
+ return(r);
+}
+
+sexpr small_cons_uncollectable (x, y)
+sexpr x;
+sexpr y;
+{
+ register sexpr r;
+
+ uncollectable_count++;
+ r = (sexpr) GC_MALLOC_UNCOLLECTABLE(sizeof(struct SEXPR));
+ if (r == 0) {
+ (void)GC_printf0("Out of memory\n");
+ exit(1);
+ }
+ r -> sexpr_car = x;
+ r -> sexpr_cdr = (sexpr)(~(unsigned long)y);
+ return(r);
+}
+
+#ifdef GC_GCJ_SUPPORT
+
+#include "gc_mark.h"
+#include "private/dbg_mlc.h" /* For USR_PTR_FROM_BASE */
+#include "gc_gcj.h"
+
+/* The following struct emulates the vtable in gcj. */
+/* This assumes the default value of MARK_DESCR_OFFSET. */
+struct fake_vtable {
+ void * dummy; /* class pointer in real gcj. */
+ size_t descr;
+};
+
+struct fake_vtable gcj_class_struct1 = { 0, sizeof(struct SEXPR)
+ + sizeof(struct fake_vtable *) };
+ /* length based descriptor. */
+struct fake_vtable gcj_class_struct2 =
+ { 0, (3l << (CPP_WORDSZ - 3)) | GC_DS_BITMAP};
+ /* Bitmap based descriptor. */
+
+struct GC_ms_entry * fake_gcj_mark_proc(word * addr,
+ struct GC_ms_entry *mark_stack_ptr,
+ struct GC_ms_entry *mark_stack_limit,
+ word env )
+{
+ sexpr x;
+ if (1 == env) {
+ /* Object allocated with debug allocator. */
+ addr = (word *)USR_PTR_FROM_BASE(addr);
+ }
+ x = (sexpr)(addr + 1); /* Skip the vtable pointer. */
+ mark_stack_ptr = GC_MARK_AND_PUSH(
+ (GC_PTR)(x -> sexpr_cdr), mark_stack_ptr,
+ mark_stack_limit, (GC_PTR *)&(x -> sexpr_cdr));
+ mark_stack_ptr = GC_MARK_AND_PUSH(
+ (GC_PTR)(x -> sexpr_car), mark_stack_ptr,
+ mark_stack_limit, (GC_PTR *)&(x -> sexpr_car));
+ return(mark_stack_ptr);
+}
+
+sexpr gcj_cons(x, y)
+sexpr x;
+sexpr y;
+{
+ GC_word * r;
+ sexpr result;
+ static int count = 0;
+
+ if (++count & 1) {
+# ifdef USE_MARK_BYTES
+ r = (GC_word *) GC_GCJ_FAST_MALLOC(4, &gcj_class_struct1);
+# else
+ r = (GC_word *) GC_GCJ_FAST_MALLOC(3, &gcj_class_struct1);
+# endif
+ } else {
+ r = (GC_word *) GC_GCJ_MALLOC(sizeof(struct SEXPR)
+ + sizeof(struct fake_vtable*),
+ &gcj_class_struct2);
+ }
+ if (r == 0) {
+ (void)GC_printf0("Out of memory\n");
+ exit(1);
+ }
+ result = (sexpr)(r + 1);
+ result -> sexpr_car = x;
+ result -> sexpr_cdr = y;
+ return(result);
+}
+#endif
+
+/* Return reverse(x) concatenated with y */
+sexpr reverse1(x, y)
+sexpr x, y;
+{
+ if (is_nil(x)) {
+ return(y);
+ } else {
+ return( reverse1(cdr(x), cons(car(x), y)) );
+ }
+}
+
+sexpr reverse(x)
+sexpr x;
+{
+ return( reverse1(x, nil) );
+}
+
+sexpr ints(low, up)
+int low, up;
+{
+ if (low > up) {
+ return(nil);
+ } else {
+ return(small_cons(small_cons(INT_TO_SEXPR(low), nil), ints(low+1, up)));
+ }
+}
+
+#ifdef GC_GCJ_SUPPORT
+/* Return reverse(x) concatenated with y */
+sexpr gcj_reverse1(x, y)
+sexpr x, y;
+{
+ if (is_nil(x)) {
+ return(y);
+ } else {
+ return( gcj_reverse1(cdr(x), gcj_cons(car(x), y)) );
+ }
+}
+
+sexpr gcj_reverse(x)
+sexpr x;
+{
+ return( gcj_reverse1(x, nil) );
+}
+
+sexpr gcj_ints(low, up)
+int low, up;
+{
+ if (low > up) {
+ return(nil);
+ } else {
+ return(gcj_cons(gcj_cons(INT_TO_SEXPR(low), nil), gcj_ints(low+1, up)));
+ }
+}
+#endif /* GC_GCJ_SUPPORT */
+
+/* To check uncollectable allocation we build lists with disguised cdr */
+/* pointers, and make sure they don't go away. */
+sexpr uncollectable_ints(low, up)
+int low, up;
+{
+ if (low > up) {
+ return(nil);
+ } else {
+ return(small_cons_uncollectable(small_cons(INT_TO_SEXPR(low), nil),
+ uncollectable_ints(low+1, up)));
+ }
+}
+
+void check_ints(list, low, up)
+sexpr list;
+int low, up;
+{
+ if ((int)(GC_word)(car(car(list))) != low) {
+ (void)GC_printf0(
+ "List reversal produced incorrect list - collector is broken\n");
+ FAIL;
+ }
+ if (low == up) {
+ if (cdr(list) != nil) {
+ (void)GC_printf0("List too long - collector is broken\n");
+ FAIL;
+ }
+ } else {
+ check_ints(cdr(list), low+1, up);
+ }
+}
+
+# define UNCOLLECTABLE_CDR(x) (sexpr)(~(unsigned long)(cdr(x)))
+
+void check_uncollectable_ints(list, low, up)
+sexpr list;
+int low, up;
+{
+ if ((int)(GC_word)(car(car(list))) != low) {
+ (void)GC_printf0(
+ "Uncollectable list corrupted - collector is broken\n");
+ FAIL;
+ }
+ if (low == up) {
+ if (UNCOLLECTABLE_CDR(list) != nil) {
+ (void)GC_printf0("Uncollectable list too long - collector is broken\n");
+ FAIL;
+ }
+ } else {
+ check_uncollectable_ints(UNCOLLECTABLE_CDR(list), low+1, up);
+ }
+}
+
+/* Not used, but useful for debugging: */
+void print_int_list(x)
+sexpr x;
+{
+ if (is_nil(x)) {
+ (void)GC_printf0("NIL\n");
+ } else {
+ (void)GC_printf1("(%ld)", (long)(car(car(x))));
+ if (!is_nil(cdr(x))) {
+ (void)GC_printf0(", ");
+ (void)print_int_list(cdr(x));
+ } else {
+ (void)GC_printf0("\n");
+ }
+ }
+}
+
+/* Try to force a to be strangely aligned */
+struct {
+ char dummy;
+ sexpr aa;
+} A;
+#define a A.aa
+
+/*
+ * A tiny list reversal test to check thread creation.
+ */
+#ifdef THREADS
+
+# ifdef WIN32_THREADS
+ unsigned __stdcall tiny_reverse_test(void * arg)
+# else
+ void * tiny_reverse_test(void * arg)
+# endif
+{
+ check_ints(reverse(reverse(ints(1,10))), 1, 10);
+ return 0;
+}
+
+# if defined(IRIX_THREADS) || defined(LINUX_THREADS) \
+ || defined(SOLARIS_PTHREADS) || defined(HPUX_THREADS)
+ void fork_a_thread()
+ {
+ pthread_t t;
+ int code;
+ if ((code = pthread_create(&t, 0, tiny_reverse_test, 0)) != 0) {
+ (void)GC_printf1("Small thread creation failed %lu\n",
+ (unsigned long)code);
+ FAIL;
+ }
+ if ((code = pthread_join(t, 0)) != 0) {
+ (void)GC_printf1("Small thread join failed %lu\n",
+ (unsigned long)code);
+ FAIL;
+ }
+ }
+
+# elif defined(WIN32_THREADS)
+ void fork_a_thread()
+ {
+ unsigned thread_id;
+ HANDLE h;
+ h = GC_CreateThread(NULL, 0, tiny_reverse_test, 0, 0, &thread_id);
+ if (h == (HANDLE)NULL) {
+ (void)GC_printf1("Small thread creation failed %lu\n",
+ (unsigned long)GetLastError());
+ FAIL;
+ }
+ if (WaitForSingleObject(h, INFINITE) != WAIT_OBJECT_0) {
+ (void)GC_printf1("Small thread wait failed %lu\n",
+ (unsigned long)GetLastError());
+ FAIL;
+ }
+ }
+
+/* # elif defined(SOLARIS_THREADS) */
+
+# else
+
+# define fork_a_thread()
+
+# endif
+
+#else
+
+# define fork_a_thread()
+
+#endif
+
+/*
+ * Repeatedly reverse lists built out of very different sized cons cells.
+ * Check that we didn't lose anything.
+ */
+void reverse_test()
+{
+ int i;
+ sexpr b;
+ sexpr c;
+ sexpr d;
+ sexpr e;
+ sexpr *f, *g, *h;
+# if defined(MSWIN32) || defined(MACOS)
+ /* Win32S only allows 128K stacks */
+# define BIG 1000
+# else
+# if defined PCR
+ /* PCR default stack is 100K. Stack frames are up to 120 bytes. */
+# define BIG 700
+# else
+# if defined MSWINCE
+ /* WinCE only allows 64K stacks */
+# define BIG 500
+# else
+# if defined(OSF1)
+ /* OSF has limited stack space by default, and large frames. */
+# define BIG 200
+# else
+# define BIG 4500
+# endif
+# endif
+# endif
+# endif
+
+ A.dummy = 17;
+ a = ints(1, 49);
+ b = ints(1, 50);
+ c = ints(1, BIG);
+ d = uncollectable_ints(1, 100);
+ e = uncollectable_ints(1, 1);
+ /* Check that realloc updates object descriptors correctly */
+ collectable_count++;
+ f = (sexpr *)GC_MALLOC(4 * sizeof(sexpr));
+ realloc_count++;
+ f = (sexpr *)GC_REALLOC((GC_PTR)f, 6 * sizeof(sexpr));
+ f[5] = ints(1,17);
+ collectable_count++;
+ g = (sexpr *)GC_MALLOC(513 * sizeof(sexpr));
+ realloc_count++;
+ g = (sexpr *)GC_REALLOC((GC_PTR)g, 800 * sizeof(sexpr));
+ g[799] = ints(1,18);
+ collectable_count++;
+ h = (sexpr *)GC_MALLOC(1025 * sizeof(sexpr));
+ realloc_count++;
+ h = (sexpr *)GC_REALLOC((GC_PTR)h, 2000 * sizeof(sexpr));
+# ifdef GC_GCJ_SUPPORT
+ h[1999] = gcj_ints(1,200);
+ h[1999] = gcj_reverse(h[1999]);
+# else
+ h[1999] = ints(1,200);
+# endif
+ /* Try to force some collections and reuse of small list elements */
+ for (i = 0; i < 10; i++) {
+ (void)ints(1, BIG);
+ }
+ /* Superficially test interior pointer recognition on stack */
+ c = (sexpr)((char *)c + sizeof(char *));
+ d = (sexpr)((char *)d + sizeof(char *));
+
+# ifdef __STDC__
+ GC_FREE((void *)e);
+# else
+ GC_FREE((char *)e);
+# endif
+ check_ints(b,1,50);
+ check_ints(a,1,49);
+ for (i = 0; i < 50; i++) {
+ check_ints(b,1,50);
+ b = reverse(reverse(b));
+ }
+ check_ints(b,1,50);
+ check_ints(a,1,49);
+ for (i = 0; i < 60; i++) {
+ if (i % 10 == 0) fork_a_thread();
+ /* This maintains the invariant that a always points to a list of */
+ /* 49 integers. Thus this is thread safe without locks, */
+ /* assuming atomic pointer assignments. */
+ a = reverse(reverse(a));
+# if !defined(AT_END) && !defined(THREADS)
+ /* This is not thread safe, since realloc explicitly deallocates */
+ if (i & 1) {
+ a = (sexpr)GC_REALLOC((GC_PTR)a, 500);
+ } else {
+ a = (sexpr)GC_REALLOC((GC_PTR)a, 8200);
+ }
+# endif
+ }
+ check_ints(a,1,49);
+ check_ints(b,1,50);
+ c = (sexpr)((char *)c - sizeof(char *));
+ d = (sexpr)((char *)d - sizeof(char *));
+ check_ints(c,1,BIG);
+ check_uncollectable_ints(d, 1, 100);
+ check_ints(f[5], 1,17);
+ check_ints(g[799], 1,18);
+# ifdef GC_GCJ_SUPPORT
+ h[1999] = gcj_reverse(h[1999]);
+# endif
+ check_ints(h[1999], 1,200);
+# ifndef THREADS
+ a = 0;
+# endif
+ b = c = 0;
+}
+
+/*
+ * The rest of this builds balanced binary trees, checks that they don't
+ * disappear, and tests finalization.
+ */
+typedef struct treenode {
+ int level;
+ struct treenode * lchild;
+ struct treenode * rchild;
+} tn;
+
+int finalizable_count = 0;
+int finalized_count = 0;
+VOLATILE int dropped_something = 0;
+
+# ifdef __STDC__
+ void finalizer(void * obj, void * client_data)
+# else
+ void finalizer(obj, client_data)
+ char * obj;
+ char * client_data;
+# endif
+{
+ tn * t = (tn *)obj;
+
+# ifdef PCR
+ PCR_ThCrSec_EnterSys();
+# endif
+# ifdef SOLARIS_THREADS
+ static mutex_t incr_lock;
+ mutex_lock(&incr_lock);
+# endif
+# if defined(IRIX_THREADS) || defined(LINUX_THREADS) || defined(HPUX_THREADS)
+ static pthread_mutex_t incr_lock = PTHREAD_MUTEX_INITIALIZER;
+ pthread_mutex_lock(&incr_lock);
+# endif
+# ifdef WIN32_THREADS
+ EnterCriticalSection(&incr_cs);
+# endif
+ if ((int)(GC_word)client_data != t -> level) {
+ (void)GC_printf0("Wrong finalization data - collector is broken\n");
+ FAIL;
+ }
+ finalized_count++;
+# ifdef PCR
+ PCR_ThCrSec_ExitSys();
+# endif
+# ifdef SOLARIS_THREADS
+ mutex_unlock(&incr_lock);
+# endif
+# if defined(IRIX_THREADS) || defined(LINUX_THREADS) || defined(HPUX_THREADS)
+ pthread_mutex_unlock(&incr_lock);
+# endif
+# ifdef WIN32_THREADS
+ LeaveCriticalSection(&incr_cs);
+# endif
+}
+
+size_t counter = 0;
+
+# define MAX_FINALIZED 8000
+
+# if !defined(MACOS)
+ GC_FAR GC_word live_indicators[MAX_FINALIZED] = {0};
+#else
+ /* Too big for THINK_C. have to allocate it dynamically. */
+ GC_word *live_indicators = 0;
+#endif
+
+int live_indicators_count = 0;
+
+tn * mktree(n)
+int n;
+{
+# ifdef THREAD_LOCAL_ALLOC
+ tn * result = (tn *)GC_LOCAL_MALLOC(sizeof(tn));
+# else
+ tn * result = (tn *)GC_MALLOC(sizeof(tn));
+# endif
+
+ collectable_count++;
+# ifdef THREAD_LOCAL_ALLOC
+ /* Minimally exercise thread local allocation */
+ {
+ char * result = (char *)GC_LOCAL_MALLOC_ATOMIC(17);
+ memset(result, 'a', 17);
+ }
+# endif /* THREAD_LOCAL_ALLOC */
+# if defined(MACOS)
+ /* get around static data limitations. */
+ if (!live_indicators)
+ live_indicators =
+ (GC_word*)NewPtrClear(MAX_FINALIZED * sizeof(GC_word));
+ if (!live_indicators) {
+ (void)GC_printf0("Out of memory\n");
+ exit(1);
+ }
+# endif
+ if (n == 0) return(0);
+ if (result == 0) {
+ (void)GC_printf0("Out of memory\n");
+ exit(1);
+ }
+ result -> level = n;
+ result -> lchild = mktree(n-1);
+ result -> rchild = mktree(n-1);
+ if (counter++ % 17 == 0 && n >= 2) {
+ tn * tmp = result -> lchild -> rchild;
+
+ result -> lchild -> rchild = result -> rchild -> lchild;
+ result -> rchild -> lchild = tmp;
+ }
+ if (counter++ % 119 == 0) {
+ int my_index;
+
+ {
+# ifdef PCR
+ PCR_ThCrSec_EnterSys();
+# endif
+# ifdef SOLARIS_THREADS
+ static mutex_t incr_lock;
+ mutex_lock(&incr_lock);
+# endif
+# if defined(IRIX_THREADS) || defined(LINUX_THREADS) \
+ || defined(HPUX_THREADS)
+ static pthread_mutex_t incr_lock = PTHREAD_MUTEX_INITIALIZER;
+ pthread_mutex_lock(&incr_lock);
+# endif
+# ifdef WIN32_THREADS
+ EnterCriticalSection(&incr_cs);
+# endif
+ /* Losing a count here causes erroneous report of failure. */
+ finalizable_count++;
+ my_index = live_indicators_count++;
+# ifdef PCR
+ PCR_ThCrSec_ExitSys();
+# endif
+# ifdef SOLARIS_THREADS
+ mutex_unlock(&incr_lock);
+# endif
+# if defined(IRIX_THREADS) || defined(LINUX_THREADS) \
+ || defined(HPUX_THREADS)
+ pthread_mutex_unlock(&incr_lock);
+# endif
+# ifdef WIN32_THREADS
+ LeaveCriticalSection(&incr_cs);
+# endif
+ }
+
+ GC_REGISTER_FINALIZER((GC_PTR)result, finalizer, (GC_PTR)(GC_word)n,
+ (GC_finalization_proc *)0, (GC_PTR *)0);
+ if (my_index >= MAX_FINALIZED) {
+ GC_printf0("live_indicators overflowed\n");
+ FAIL;
+ }
+ live_indicators[my_index] = 13;
+ if (GC_GENERAL_REGISTER_DISAPPEARING_LINK(
+ (GC_PTR *)(&(live_indicators[my_index])),
+ (GC_PTR)result) != 0) {
+ GC_printf0("GC_general_register_disappearing_link failed\n");
+ FAIL;
+ }
+ if (GC_unregister_disappearing_link(
+ (GC_PTR *)
+ (&(live_indicators[my_index]))) == 0) {
+ GC_printf0("GC_unregister_disappearing_link failed\n");
+ FAIL;
+ }
+ if (GC_GENERAL_REGISTER_DISAPPEARING_LINK(
+ (GC_PTR *)(&(live_indicators[my_index])),
+ (GC_PTR)result) != 0) {
+ GC_printf0("GC_general_register_disappearing_link failed 2\n");
+ FAIL;
+ }
+ }
+ return(result);
+}
+
+void chktree(t,n)
+tn *t;
+int n;
+{
+ if (n == 0 && t != 0) {
+ (void)GC_printf0("Clobbered a leaf - collector is broken\n");
+ FAIL;
+ }
+ if (n == 0) return;
+ if (t -> level != n) {
+ (void)GC_printf1("Lost a node at level %lu - collector is broken\n",
+ (unsigned long)n);
+ FAIL;
+ }
+ if (counter++ % 373 == 0) {
+ collectable_count++;
+ (void) GC_MALLOC(counter%5001);
+ }
+ chktree(t -> lchild, n-1);
+ if (counter++ % 73 == 0) {
+ collectable_count++;
+ (void) GC_MALLOC(counter%373);
+ }
+ chktree(t -> rchild, n-1);
+}
+
+# if defined(SOLARIS_THREADS) && !defined(_SOLARIS_PTHREADS)
+thread_key_t fl_key;
+
+void * alloc8bytes()
+{
+# if defined(SMALL_CONFIG) || defined(GC_DEBUG)
+ collectable_count++;
+ return(GC_MALLOC(8));
+# else
+ void ** my_free_list_ptr;
+ void * my_free_list;
+
+ if (thr_getspecific(fl_key, (void **)(&my_free_list_ptr)) != 0) {
+ (void)GC_printf0("thr_getspecific failed\n");
+ FAIL;
+ }
+ if (my_free_list_ptr == 0) {
+ uncollectable_count++;
+ my_free_list_ptr = GC_NEW_UNCOLLECTABLE(void *);
+ if (thr_setspecific(fl_key, my_free_list_ptr) != 0) {
+ (void)GC_printf0("thr_setspecific failed\n");
+ FAIL;
+ }
+ }
+ my_free_list = *my_free_list_ptr;
+ if (my_free_list == 0) {
+ collectable_count++;
+ my_free_list = GC_malloc_many(8);
+ if (my_free_list == 0) {
+ (void)GC_printf0("alloc8bytes out of memory\n");
+ FAIL;
+ }
+ }
+ *my_free_list_ptr = GC_NEXT(my_free_list);
+ GC_NEXT(my_free_list) = 0;
+ return(my_free_list);
+# endif
+}
+
+#else
+
+# if defined(GC_SOLARIS_PTHREADS) || defined(GC_IRIX_THREADS) \
+ || defined(GC_LINUX_THREADS) || defined(GC_HPUX_THREADS) \
+ || defined(GC_SOLARIS_THREADS)
+pthread_key_t fl_key;
+
+void * alloc8bytes()
+{
+# if defined(SMALL_CONFIG) || defined(GC_DEBUG)
+ collectable_count++;
+ return(GC_MALLOC(8));
+# else
+ void ** my_free_list_ptr;
+ void * my_free_list;
+
+ my_free_list_ptr = (void **)pthread_getspecific(fl_key);
+ if (my_free_list_ptr == 0) {
+ uncollectable_count++;
+ my_free_list_ptr = GC_NEW_UNCOLLECTABLE(void *);
+ if (pthread_setspecific(fl_key, my_free_list_ptr) != 0) {
+ (void)GC_printf0("pthread_setspecific failed\n");
+ FAIL;
+ }
+ }
+ my_free_list = *my_free_list_ptr;
+ if (my_free_list == 0) {
+ my_free_list = GC_malloc_many(8);
+ if (my_free_list == 0) {
+ (void)GC_printf0("alloc8bytes out of memory\n");
+ FAIL;
+ }
+ }
+ *my_free_list_ptr = GC_NEXT(my_free_list);
+ GC_NEXT(my_free_list) = 0;
+ collectable_count++;
+ return(my_free_list);
+# endif
+}
+
+# else
+# define alloc8bytes() GC_MALLOC_ATOMIC(8)
+# endif
+#endif
+
+void alloc_small(n)
+int n;
+{
+ register int i;
+
+ for (i = 0; i < n; i += 8) {
+ atomic_count++;
+ if (alloc8bytes() == 0) {
+ (void)GC_printf0("Out of memory\n");
+ FAIL;
+ }
+ }
+}
+
+# if defined(THREADS) && defined(GC_DEBUG)
+# ifdef VERY_SMALL_CONFIG
+# define TREE_HEIGHT 12
+# else
+# define TREE_HEIGHT 15
+# endif
+# else
+# ifdef VERY_SMALL_CONFIG
+# define TREE_HEIGHT 13
+# else
+# define TREE_HEIGHT 16
+# endif
+# endif
+void tree_test()
+{
+ tn * root;
+ register int i;
+
+ root = mktree(TREE_HEIGHT);
+# ifndef VERY_SMALL_CONFIG
+ alloc_small(5000000);
+# endif
+ chktree(root, TREE_HEIGHT);
+ if (finalized_count && ! dropped_something) {
+ (void)GC_printf0("Premature finalization - collector is broken\n");
+ FAIL;
+ }
+ dropped_something = 1;
+ GC_noop(root); /* Root needs to remain live until */
+ /* dropped_something is set. */
+ root = mktree(TREE_HEIGHT);
+ chktree(root, TREE_HEIGHT);
+ for (i = TREE_HEIGHT; i >= 0; i--) {
+ root = mktree(i);
+ chktree(root, i);
+ }
+# ifndef VERY_SMALL_CONFIG
+ alloc_small(5000000);
+# endif
+}
+
+unsigned n_tests = 0;
+
+GC_word bm_huge[10] = {
+ 0xffffffff,
+ 0xffffffff,
+ 0xffffffff,
+ 0xffffffff,
+ 0xffffffff,
+ 0xffffffff,
+ 0xffffffff,
+ 0xffffffff,
+ 0xffffffff,
+ 0x00ffffff,
+};
+
+/* A very simple test of explicitly typed allocation */
+void typed_test()
+{
+ GC_word * old, * new;
+ GC_word bm3 = 0x3;
+ GC_word bm2 = 0x2;
+ GC_word bm_large = 0xf7ff7fff;
+ GC_descr d1 = GC_make_descriptor(&bm3, 2);
+ GC_descr d2 = GC_make_descriptor(&bm2, 2);
+# ifndef LINT
+ GC_descr dummy = GC_make_descriptor(&bm_large, 32);
+# endif
+ GC_descr d3 = GC_make_descriptor(&bm_large, 32);
+ GC_descr d4 = GC_make_descriptor(bm_huge, 320);
+ GC_word * x = (GC_word *)GC_malloc_explicitly_typed(2000, d4);
+ register int i;
+
+ collectable_count++;
+ old = 0;
+ for (i = 0; i < 4000; i++) {
+ collectable_count++;
+ new = (GC_word *) GC_malloc_explicitly_typed(4 * sizeof(GC_word), d1);
+ if (0 != new[0] || 0 != new[1]) {
+ GC_printf0("Bad initialization by GC_malloc_explicitly_typed\n");
+ FAIL;
+ }
+ new[0] = 17;
+ new[1] = (GC_word)old;
+ old = new;
+ collectable_count++;
+ new = (GC_word *) GC_malloc_explicitly_typed(4 * sizeof(GC_word), d2);
+ new[0] = 17;
+ new[1] = (GC_word)old;
+ old = new;
+ collectable_count++;
+ new = (GC_word *) GC_malloc_explicitly_typed(33 * sizeof(GC_word), d3);
+ new[0] = 17;
+ new[1] = (GC_word)old;
+ old = new;
+ collectable_count++;
+ new = (GC_word *) GC_calloc_explicitly_typed(4, 2 * sizeof(GC_word),
+ d1);
+ new[0] = 17;
+ new[1] = (GC_word)old;
+ old = new;
+ collectable_count++;
+ if (i & 0xff) {
+ new = (GC_word *) GC_calloc_explicitly_typed(7, 3 * sizeof(GC_word),
+ d2);
+ } else {
+ new = (GC_word *) GC_calloc_explicitly_typed(1001,
+ 3 * sizeof(GC_word),
+ d2);
+ if (0 != new[0] || 0 != new[1]) {
+ GC_printf0("Bad initialization by GC_malloc_explicitly_typed\n");
+ FAIL;
+ }
+ }
+ new[0] = 17;
+ new[1] = (GC_word)old;
+ old = new;
+ }
+ for (i = 0; i < 20000; i++) {
+ if (new[0] != 17) {
+ (void)GC_printf1("typed alloc failed at %lu\n",
+ (unsigned long)i);
+ FAIL;
+ }
+ new[0] = 0;
+ old = new;
+ new = (GC_word *)(old[1]);
+ }
+ GC_gcollect();
+ GC_noop(x);
+}
+
+int fail_count = 0;
+
+#ifndef __STDC__
+/*ARGSUSED*/
+void fail_proc1(x)
+GC_PTR x;
+{
+ fail_count++;
+}
+
+#else
+
+/*ARGSUSED*/
+void fail_proc1(GC_PTR x)
+{
+ fail_count++;
+}
+
+#endif /* __STDC__ */
+
+#ifdef THREADS
+# define TEST_FAIL_COUNT(n) 1
+#else
+# define TEST_FAIL_COUNT(n) (fail_count >= (n))
+#endif
+
+void run_one_test()
+{
+ char *x;
+# ifdef LINT
+ char *y = 0;
+# else
+ char *y = (char *)(size_t)fail_proc1;
+# endif
+ DCL_LOCK_STATE;
+
+# ifdef FIND_LEAK
+ (void)GC_printf0(
+ "This test program is not designed for leak detection mode\n");
+ (void)GC_printf0("Expect lots of problems.\n");
+# endif
+ GC_FREE(0);
+# ifndef DBG_HDRS_ALL
+ collectable_count += 3;
+ if (GC_size(GC_malloc(7)) != 8 &&
+ GC_size(GC_malloc(7)) != MIN_WORDS * sizeof(GC_word)
+ || GC_size(GC_malloc(15)) != 16) {
+ (void)GC_printf0("GC_size produced unexpected results\n");
+ FAIL;
+ }
+ collectable_count += 1;
+ if (GC_size(GC_malloc(0)) != MIN_WORDS * sizeof(GC_word)) {
+ (void)GC_printf1("GC_malloc(0) failed: GC_size returns %ld\n",
+ GC_size(GC_malloc(0)));
+ FAIL;
+ }
+ collectable_count += 1;
+ if (GC_size(GC_malloc_uncollectable(0)) != MIN_WORDS * sizeof(GC_word)) {
+ (void)GC_printf0("GC_malloc_uncollectable(0) failed\n");
+ FAIL;
+ }
+ GC_is_valid_displacement_print_proc = fail_proc1;
+ GC_is_visible_print_proc = fail_proc1;
+ collectable_count += 1;
+ x = GC_malloc(16);
+ if (GC_base(x + 13) != x) {
+ (void)GC_printf0("GC_base(heap ptr) produced incorrect result\n");
+ FAIL;
+ }
+# ifndef PCR
+ if (GC_base(y) != 0) {
+ (void)GC_printf0("GC_base(fn_ptr) produced incorrect result\n");
+ FAIL;
+ }
+# endif
+ if (GC_same_obj(x+5, x) != x + 5) {
+ (void)GC_printf0("GC_same_obj produced incorrect result\n");
+ FAIL;
+ }
+ if (GC_is_visible(y) != y || GC_is_visible(x) != x) {
+ (void)GC_printf0("GC_is_visible produced incorrect result\n");
+ FAIL;
+ }
+ if (!TEST_FAIL_COUNT(1)) {
+# if!(defined(RS6000) || defined(POWERPC) || defined(IA64))
+ /* ON RS6000s function pointers point to a descriptor in the */
+ /* data segment, so there should have been no failures. */
+ (void)GC_printf0("GC_is_visible produced wrong failure indication\n");
+ FAIL;
+# endif
+ }
+ if (GC_is_valid_displacement(y) != y
+ || GC_is_valid_displacement(x) != x
+ || GC_is_valid_displacement(x + 3) != x + 3) {
+ (void)GC_printf0(
+ "GC_is_valid_displacement produced incorrect result\n");
+ FAIL;
+ }
+# ifndef ALL_INTERIOR_POINTERS
+# if defined(RS6000) || defined(POWERPC)
+ if (!TEST_FAIL_COUNT(1)) {
+# else
+ if (GC_all_interior_pointers && !TEST_FAIL_COUNT(1)
+ || !GC_all_interior_pointers && !TEST_FAIL_COUNT(2)) {
+# endif
+ (void)GC_printf0("GC_is_valid_displacement produced wrong failure indication\n");
+ FAIL;
+ }
+# endif
+# endif /* DBG_HDRS_ALL */
+ /* Test floating point alignment */
+ collectable_count += 2;
+ *(double *)GC_MALLOC(sizeof(double)) = 1.0;
+ *(double *)GC_MALLOC(sizeof(double)) = 1.0;
+# ifdef GC_GCJ_SUPPORT
+ GC_REGISTER_DISPLACEMENT(sizeof(struct fake_vtable *));
+ GC_init_gcj_malloc(0, (void *)fake_gcj_mark_proc);
+# endif
+ /* Repeated list reversal test. */
+ reverse_test();
+# ifdef PRINTSTATS
+ GC_printf0("-------------Finished reverse_test\n");
+# endif
+# ifndef DBG_HDRS_ALL
+ typed_test();
+# ifdef PRINTSTATS
+ GC_printf0("-------------Finished typed_test\n");
+# endif
+# endif /* DBG_HDRS_ALL */
+ tree_test();
+ LOCK();
+ n_tests++;
+ UNLOCK();
+ /* GC_printf1("Finished %x\n", pthread_self()); */
+}
+
+void check_heap_stats()
+{
+ unsigned long max_heap_sz;
+ register int i;
+ int still_live;
+ int late_finalize_count = 0;
+
+# ifdef VERY_SMALL_CONFIG
+ /* these are something of a guess */
+ if (sizeof(char *) > 4) {
+ max_heap_sz = 4500000;
+ } else {
+ max_heap_sz = 2800000;
+ }
+# else
+ if (sizeof(char *) > 4) {
+ max_heap_sz = 15000000;
+ } else {
+ max_heap_sz = 11000000;
+ }
+# endif
+# ifdef GC_DEBUG
+ max_heap_sz *= 2;
+# ifdef SAVE_CALL_CHAIN
+ max_heap_sz *= 3;
+# ifdef SAVE_CALL_COUNT
+ max_heap_sz *= SAVE_CALL_COUNT/4;
+# endif
+# endif
+# endif
+ /* Garbage collect repeatedly so that all inaccessible objects */
+ /* can be finalized. */
+ while (GC_collect_a_little()) { }
+ for (i = 0; i < 16; i++) {
+ GC_gcollect();
+ late_finalize_count += GC_invoke_finalizers();
+ }
+ (void)GC_printf1("Completed %lu tests\n", (unsigned long)n_tests);
+ (void)GC_printf1("Allocated %lu collectable objects\n", (unsigned long)collectable_count);
+ (void)GC_printf1("Allocated %lu uncollectable objects\n", (unsigned long)uncollectable_count);
+ (void)GC_printf1("Allocated %lu atomic objects\n", (unsigned long)atomic_count);
+ (void)GC_printf1("Allocated %lu stubborn objects\n", (unsigned long)stubborn_count);
+ (void)GC_printf2("Finalized %lu/%lu objects - ",
+ (unsigned long)finalized_count,
+ (unsigned long)finalizable_count);
+# ifdef FINALIZE_ON_DEMAND
+ if (finalized_count != late_finalize_count) {
+ (void)GC_printf0("Demand finalization error\n");
+ FAIL;
+ }
+# endif
+ if (finalized_count > finalizable_count
+ || finalized_count < finalizable_count/2) {
+ (void)GC_printf0("finalization is probably broken\n");
+ FAIL;
+ } else {
+ (void)GC_printf0("finalization is probably ok\n");
+ }
+ still_live = 0;
+ for (i = 0; i < MAX_FINALIZED; i++) {
+ if (live_indicators[i] != 0) {
+ still_live++;
+ }
+ }
+ i = finalizable_count - finalized_count - still_live;
+ if (0 != i) {
+ (void)GC_printf2
+ ("%lu disappearing links remain and %ld more objects were not finalized\n",
+ (unsigned long) still_live, (long)i);
+ if (i > 10) {
+ GC_printf0("\tVery suspicious!\n");
+ } else {
+ GC_printf0("\tSlightly suspicious, but probably OK.\n");
+ }
+ }
+ (void)GC_printf1("Total number of bytes allocated is %lu\n",
+ (unsigned long)
+ WORDS_TO_BYTES(GC_words_allocd + GC_words_allocd_before_gc));
+ (void)GC_printf1("Final heap size is %lu bytes\n",
+ (unsigned long)GC_get_heap_size());
+ if (WORDS_TO_BYTES(GC_words_allocd + GC_words_allocd_before_gc)
+# ifdef VERY_SMALL_CONFIG
+ < 2700000*n_tests) {
+# else
+ < 33500000*n_tests) {
+# endif
+ (void)GC_printf0("Incorrect execution - missed some allocations\n");
+ FAIL;
+ }
+ if (GC_get_heap_size() > max_heap_sz*n_tests) {
+ (void)GC_printf0("Unexpected heap growth - collector may be broken\n");
+ FAIL;
+ }
+ (void)GC_printf0("Collector appears to work\n");
+}
+
+#if defined(MACOS)
+void SetMinimumStack(long minSize)
+{
+ long newApplLimit;
+
+ if (minSize > LMGetDefltStack())
+ {
+ newApplLimit = (long) GetApplLimit()
+ - (minSize - LMGetDefltStack());
+ SetApplLimit((Ptr) newApplLimit);
+ MaxApplZone();
+ }
+}
+
+#define cMinStackSpace (512L * 1024L)
+
+#endif
+
+#ifdef __STDC__
+ void warn_proc(char *msg, GC_word p)
+#else
+ void warn_proc(msg, p)
+ char *msg;
+ GC_word p;
+#endif
+{
+ GC_printf1(msg, (unsigned long)p);
+ /*FAIL;*/
+}
+
+
+#if !defined(PCR) && !defined(GC_SOLARIS_THREADS) \
+ && !defined(GC_WIN32_THREADS) \
+ && !defined(GC_IRIX_THREADS) && !defined(GC_LINUX_THREADS) \
+ && !defined(GC_HPUX_THREADS) || defined(LINT)
+#if defined(MSWIN32) && !defined(__MINGW32__)
+ int APIENTRY WinMain(HINSTANCE instance, HINSTANCE prev, LPTSTR cmd, int n)
+#else
+ int main()
+#endif
+{
+# if defined(DJGPP)
+ int dummy;
+# endif
+ n_tests = 0;
+
+# if defined(DJGPP)
+ /* No good way to determine stack base from library; do it */
+ /* manually on this platform. */
+ GC_stackbottom = (GC_PTR)(&dummy);
+# endif
+# if defined(MACOS)
+ /* Make sure we have lots and lots of stack space. */
+ SetMinimumStack(cMinStackSpace);
+ /* Cheat and let stdio initialize toolbox for us. */
+ printf("Testing GC Macintosh port.\n");
+# endif
+ GC_INIT(); /* Only needed if gc is dynamic library. */
+ (void) GC_set_warn_proc(warn_proc);
+# if defined(MPROTECT_VDB) || defined(PROC_VDB)
+ GC_enable_incremental();
+ (void) GC_printf0("Switched to incremental mode\n");
+# if defined(MPROTECT_VDB)
+ (void)GC_printf0("Emulating dirty bits with mprotect/signals\n");
+# else
+ (void)GC_printf0("Reading dirty bits from /proc\n");
+# endif
+# endif
+ run_one_test();
+ check_heap_stats();
+# ifndef MSWINCE
+ (void)fflush(stdout);
+# endif
+# ifdef LINT
+ /* Entry points we should be testing, but aren't. */
+ /* Some can be tested by defining GC_DEBUG at the top of this file */
+ /* This is a bit SunOS4 specific. */
+ GC_noop(GC_expand_hp, GC_add_roots, GC_clear_roots,
+ GC_register_disappearing_link,
+ GC_register_finalizer_ignore_self,
+ GC_debug_register_displacement,
+ GC_print_obj, GC_debug_change_stubborn,
+ GC_debug_end_stubborn_change, GC_debug_malloc_uncollectable,
+ GC_debug_free, GC_debug_realloc, GC_generic_malloc_words_small,
+ GC_init, GC_make_closure, GC_debug_invoke_finalizer,
+ GC_page_was_ever_dirty, GC_is_fresh,
+ GC_malloc_ignore_off_page, GC_malloc_atomic_ignore_off_page,
+ GC_set_max_heap_size, GC_get_bytes_since_gc,
+ GC_get_total_bytes, GC_pre_incr, GC_post_incr);
+# endif
+# ifdef MSWIN32
+ GC_win32_free_heap();
+# endif
+ return(0);
+}
+# endif
+
+#ifdef GC_WIN32_THREADS
+
+unsigned __stdcall thr_run_one_test(void *arg)
+{
+ run_one_test();
+ return 0;
+}
+
+#ifdef MSWINCE
+HANDLE win_created_h;
+HWND win_handle;
+
+LRESULT CALLBACK window_proc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
+{
+ LRESULT ret = 0;
+ switch (uMsg) {
+ case WM_HIBERNATE:
+ GC_printf0("Received WM_HIBERNATE, calling GC_gcollect\n");
+ GC_gcollect();
+ break;
+ case WM_CLOSE:
+ GC_printf0("Received WM_CLOSE, closing window\n");
+ DestroyWindow(hwnd);
+ break;
+ case WM_DESTROY:
+ PostQuitMessage(0);
+ break;
+ default:
+ ret = DefWindowProc(hwnd, uMsg, wParam, lParam);
+ break;
+ }
+ return ret;
+}
+
+unsigned __stdcall thr_window(void *arg)
+{
+ WNDCLASS win_class = {
+ CS_NOCLOSE,
+ window_proc,
+ 0,
+ 0,
+ GetModuleHandle(NULL),
+ NULL,
+ NULL,
+ (HBRUSH)(COLOR_APPWORKSPACE+1),
+ NULL,
+ L"GCtestWindow"
+ };
+ MSG msg;
+
+ if (!RegisterClass(&win_class))
+ FAIL;
+
+ win_handle = CreateWindowEx(
+ 0,
+ L"GCtestWindow",
+ L"GCtest",
+ 0,
+ CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
+ NULL,
+ NULL,
+ GetModuleHandle(NULL),
+ NULL);
+
+ if (win_handle == NULL)
+ FAIL;
+
+ SetEvent(win_created_h);
+
+ ShowWindow(win_handle, SW_SHOW);
+ UpdateWindow(win_handle);
+
+ while (GetMessage(&msg, NULL, 0, 0)) {
+ TranslateMessage(&msg);
+ DispatchMessage(&msg);
+ }
+
+ return 0;
+}
+#endif
+
+#define NTEST 2
+
+# ifdef MSWINCE
+int APIENTRY GC_WinMain(HINSTANCE instance, HINSTANCE prev, LPWSTR cmd, int n)
+# else
+int APIENTRY WinMain(HINSTANCE instance, HINSTANCE prev, LPSTR cmd, int n)
+# endif
+{
+# if NTEST > 0
+ HANDLE h[NTEST];
+ int i;
+# endif
+# ifdef MSWINCE
+ HANDLE win_thr_h;
+# endif
+ unsigned thread_id;
+# if 0
+ GC_enable_incremental();
+# endif
+ InitializeCriticalSection(&incr_cs);
+ (void) GC_set_warn_proc(warn_proc);
+# ifdef MSWINCE
+ win_created_h = CreateEvent(NULL, FALSE, FALSE, NULL);
+ if (win_created_h == (HANDLE)NULL) {
+ (void)GC_printf1("Event creation failed %lu\n", (unsigned long)GetLastError());
+ FAIL;
+ }
+ win_thr_h = GC_CreateThread(NULL, 0, thr_window, 0, 0, &thread_id);
+ if (win_thr_h == (HANDLE)NULL) {
+ (void)GC_printf1("Thread creation failed %lu\n", (unsigned long)GetLastError());
+ FAIL;
+ }
+ if (WaitForSingleObject(win_created_h, INFINITE) != WAIT_OBJECT_0)
+ FAIL;
+ CloseHandle(win_created_h);
+# endif
+# if NTEST > 0
+ for (i = 0; i < NTEST; i++) {
+ h[i] = GC_CreateThread(NULL, 0, thr_run_one_test, 0, 0, &thread_id);
+ if (h[i] == (HANDLE)NULL) {
+ (void)GC_printf1("Thread creation failed %lu\n", (unsigned long)GetLastError());
+ FAIL;
+ }
+ }
+# endif /* NTEST > 0 */
+ run_one_test();
+# if NTEST > 0
+ for (i = 0; i < NTEST; i++) {
+ if (WaitForSingleObject(h[i], INFINITE) != WAIT_OBJECT_0) {
+ (void)GC_printf1("Thread wait failed %lu\n", (unsigned long)GetLastError());
+ FAIL;
+ }
+ }
+# endif /* NTEST > 0 */
+# ifdef MSWINCE
+ PostMessage(win_handle, WM_CLOSE, 0, 0);
+ if (WaitForSingleObject(win_thr_h, INFINITE) != WAIT_OBJECT_0)
+ FAIL;
+# endif
+ check_heap_stats();
+ return(0);
+}
+
+#endif /* GC_WIN32_THREADS */
+
+
+#ifdef PCR
+test()
+{
+ PCR_Th_T * th1;
+ PCR_Th_T * th2;
+ int code;
+
+ n_tests = 0;
+ /* GC_enable_incremental(); */
+ (void) GC_set_warn_proc(warn_proc);
+ th1 = PCR_Th_Fork(run_one_test, 0);
+ th2 = PCR_Th_Fork(run_one_test, 0);
+ run_one_test();
+ if (PCR_Th_T_Join(th1, &code, NIL, PCR_allSigsBlocked, PCR_waitForever)
+ != PCR_ERes_okay || code != 0) {
+ (void)GC_printf0("Thread 1 failed\n");
+ }
+ if (PCR_Th_T_Join(th2, &code, NIL, PCR_allSigsBlocked, PCR_waitForever)
+ != PCR_ERes_okay || code != 0) {
+ (void)GC_printf0("Thread 2 failed\n");
+ }
+ check_heap_stats();
+ return(0);
+}
+#endif
+
+#if defined(GC_SOLARIS_THREADS) || defined(GC_IRIX_THREADS) \
+ || defined(GC_HPUX_THREADS) || defined(GC_LINUX_THREADS)
+void * thr_run_one_test(void * arg)
+{
+ run_one_test();
+ return(0);
+}
+
+#ifdef GC_DEBUG
+# define GC_free GC_debug_free
+#endif
+
+#ifdef GC_SOLARIS_THREADS
+main()
+{
+ thread_t th1;
+ thread_t th2;
+ int code;
+
+ n_tests = 0;
+ GC_INIT(); /* Only needed if gc is dynamic library. */
+ GC_enable_incremental();
+ (void) GC_set_warn_proc(warn_proc);
+ if (thr_keycreate(&fl_key, GC_free) != 0) {
+ (void)GC_printf1("Key creation failed %lu\n", (unsigned long)code);
+ FAIL;
+ }
+ if ((code = thr_create(0, 1024*1024, thr_run_one_test, 0, 0, &th1)) != 0) {
+ (void)GC_printf1("Thread 1 creation failed %lu\n", (unsigned long)code);
+ FAIL;
+ }
+ if ((code = thr_create(0, 1024*1024, thr_run_one_test, 0, THR_NEW_LWP, &th2)) != 0) {
+ (void)GC_printf1("Thread 2 creation failed %lu\n", (unsigned long)code);
+ FAIL;
+ }
+ run_one_test();
+ if ((code = thr_join(th1, 0, 0)) != 0) {
+ (void)GC_printf1("Thread 1 failed %lu\n", (unsigned long)code);
+ FAIL;
+ }
+ if (thr_join(th2, 0, 0) != 0) {
+ (void)GC_printf1("Thread 2 failed %lu\n", (unsigned long)code);
+ FAIL;
+ }
+ check_heap_stats();
+ (void)fflush(stdout);
+ return(0);
+}
+#else /* pthreads */
+main()
+{
+ pthread_t th1;
+ pthread_t th2;
+ pthread_attr_t attr;
+ int code;
+
+# ifdef GC_IRIX_THREADS
+ /* Force a larger stack to be preallocated */
+ /* Since the initial cant always grow later. */
+ *((volatile char *)&code - 1024*1024) = 0; /* Require 1 Mb */
+# endif /* GC_IRIX_THREADS */
+ pthread_attr_init(&attr);
+# if defined(GC_IRIX_THREADS) || defined(GC_HPUX_THREADS)
+ pthread_attr_setstacksize(&attr, 1000000);
+# endif
+ n_tests = 0;
+# if defined(MPROTECT_VDB) && !defined(PARALLEL_MARK) &&!defined(REDIRECT_MALLOC)
+ GC_enable_incremental();
+ (void) GC_printf0("Switched to incremental mode\n");
+ (void) GC_printf0("Emulating dirty bits with mprotect/signals\n");
+# endif
+ (void) GC_set_warn_proc(warn_proc);
+ if ((code = pthread_key_create(&fl_key, 0)) != 0) {
+ (void)GC_printf1("Key creation failed %lu\n", (unsigned long)code);
+ FAIL;
+ }
+ if ((code = pthread_create(&th1, &attr, thr_run_one_test, 0)) != 0) {
+ (void)GC_printf1("Thread 1 creation failed %lu\n", (unsigned long)code);
+ FAIL;
+ }
+ if ((code = pthread_create(&th2, &attr, thr_run_one_test, 0)) != 0) {
+ (void)GC_printf1("Thread 2 creation failed %lu\n", (unsigned long)code);
+ FAIL;
+ }
+ run_one_test();
+ if ((code = pthread_join(th1, 0)) != 0) {
+ (void)GC_printf1("Thread 1 failed %lu\n", (unsigned long)code);
+ FAIL;
+ }
+ if (pthread_join(th2, 0) != 0) {
+ (void)GC_printf1("Thread 2 failed %lu\n", (unsigned long)code);
+ FAIL;
+ }
+ check_heap_stats();
+ (void)fflush(stdout);
+ pthread_attr_destroy(&attr);
+ GC_printf1("Completed %d collections\n", GC_gc_no);
+ return(0);
+}
+#endif /* pthreads */
+#endif /* SOLARIS_THREADS || IRIX_THREADS || LINUX_THREADS || HPUX_THREADS */
diff --git a/gc/tests/test_cpp.cc b/gc/tests/test_cpp.cc
new file mode 100644
index 0000000..75fd366
--- /dev/null
+++ b/gc/tests/test_cpp.cc
@@ -0,0 +1,277 @@
+/****************************************************************************
+Copyright (c) 1994 by Xerox Corporation. All rights reserved.
+
+THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
+OR IMPLIED. ANY USE IS AT YOUR OWN RISK.
+
+Permission is hereby granted to use or copy this program for any
+purpose, provided the above notices are retained on all copies.
+Permission to modify the code and to distribute modified code is
+granted, provided the above notices are retained, and a notice that
+the code was modified is included with the above copyright notice.
+****************************************************************************
+Last modified on Mon Jul 10 21:06:03 PDT 1995 by ellis
+ modified on December 20, 1994 7:27 pm PST by boehm
+
+usage: test_cpp number-of-iterations
+
+This program tries to test the specific C++ functionality provided by
+gc_c++.h that isn't tested by the more general test routines of the
+collector.
+
+A recommended value for number-of-iterations is 10, which will take a
+few minutes to complete.
+
+***************************************************************************/
+
+#include "gc_cpp.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#ifdef __GNUC__
+# include "new_gc_alloc.h"
+#else
+# include "gc_alloc.h"
+#endif
+extern "C" {
+#include "private/gc_priv.h"
+}
+#ifdef MSWIN32
+# include <windows.h>
+#endif
+#ifdef GC_NAME_CONFLICT
+# define USE_GC UseGC
+ struct foo * GC;
+#else
+# define USE_GC GC
+#endif
+
+
+#define my_assert( e ) \
+ if (! (e)) { \
+ GC_printf1( "Assertion failure in " __FILE__ ", line %d: " #e "\n", \
+ __LINE__ ); \
+ exit( 1 ); }
+
+
+class A {public:
+ /* An uncollectable class. */
+
+ A( int iArg ): i( iArg ) {}
+ void Test( int iArg ) {
+ my_assert( i == iArg );}
+ int i;};
+
+
+class B: public gc, public A {public:
+ /* A collectable class. */
+
+ B( int j ): A( j ) {}
+ ~B() {
+ my_assert( deleting );}
+ static void Deleting( int on ) {
+ deleting = on;}
+ static int deleting;};
+
+int B::deleting = 0;
+
+
+class C: public gc_cleanup, public A {public:
+ /* A collectable class with cleanup and virtual multiple inheritance. */
+
+ C( int levelArg ): A( levelArg ), level( levelArg ) {
+ nAllocated++;
+ if (level > 0) {
+ left = new C( level - 1 );
+ right = new C( level - 1 );}
+ else {
+ left = right = 0;}}
+ ~C() {
+ this->A::Test( level );
+ nFreed++;
+ my_assert( level == 0 ?
+ left == 0 && right == 0 :
+ level == left->level + 1 && level == right->level + 1 );
+ left = right = 0;
+ level = -123456;}
+ static void Test() {
+ my_assert( nFreed <= nAllocated && nFreed >= .8 * nAllocated );}
+
+ static int nFreed;
+ static int nAllocated;
+ int level;
+ C* left;
+ C* right;};
+
+int C::nFreed = 0;
+int C::nAllocated = 0;
+
+
+class D: public gc {public:
+ /* A collectable class with a static member function to be used as
+ an explicit clean-up function supplied to ::new. */
+
+ D( int iArg ): i( iArg ) {
+ nAllocated++;}
+ static void CleanUp( void* obj, void* data ) {
+ D* self = (D*) obj;
+ nFreed++;
+ my_assert( self->i == (int) (long) data );}
+ static void Test() {
+ my_assert( nFreed >= .8 * nAllocated );}
+
+ int i;
+ static int nFreed;
+ static int nAllocated;};
+
+int D::nFreed = 0;
+int D::nAllocated = 0;
+
+
+class E: public gc_cleanup {public:
+ /* A collectable class with clean-up for use by F. */
+
+ E() {
+ nAllocated++;}
+ ~E() {
+ nFreed++;}
+
+ static int nFreed;
+ static int nAllocated;};
+
+int E::nFreed = 0;
+int E::nAllocated = 0;
+
+
+class F: public E {public:
+ /* A collectable class with clean-up, a base with clean-up, and a
+ member with clean-up. */
+
+ F() {
+ nAllocated++;}
+ ~F() {
+ nFreed++;}
+ static void Test() {
+ my_assert( nFreed >= .8 * nAllocated );
+ my_assert( 2 * nFreed == E::nFreed );}
+
+ E e;
+ static int nFreed;
+ static int nAllocated;};
+
+int F::nFreed = 0;
+int F::nAllocated = 0;
+
+
+long Disguise( void* p ) {
+ return ~ (long) p;}
+
+void* Undisguise( long i ) {
+ return (void*) ~ i;}
+
+
+#ifdef MSWIN32
+int APIENTRY WinMain(
+ HINSTANCE instance, HINSTANCE prev, LPSTR cmd, int cmdShow )
+{
+ int argc;
+ char* argv[ 3 ];
+
+ for (argc = 1; argc < sizeof( argv ) / sizeof( argv[ 0 ] ); argc++) {
+ argv[ argc ] = strtok( argc == 1 ? cmd : 0, " \t" );
+ if (0 == argv[ argc ]) break;}
+
+#else
+# ifdef MACOS
+ int main() {
+# else
+ int main( int argc, char* argv[] ) {
+# endif
+#endif
+
+# if defined(MACOS) // MacOS
+ char* argv_[] = {"test_cpp", "10"}; // doesn't
+ argv = argv_; // have a
+ argc = sizeof(argv_)/sizeof(argv_[0]); // commandline
+# endif
+ int i, iters, n;
+# if !defined(MACOS)
+# ifdef __GNUC__
+ int *x = (int *)gc_alloc::allocate(sizeof(int));
+# else
+ int *x = (int *)alloc::allocate(sizeof(int));
+# endif
+
+ *x = 29;
+ x -= 3;
+# endif
+ if (argc != 2 || (0 >= (n = atoi( argv[ 1 ] )))) {
+ GC_printf0( "usage: test_cpp number-of-iterations\n" );
+ exit( 1 );}
+
+ for (iters = 1; iters <= n; iters++) {
+ GC_printf1( "Starting iteration %d\n", iters );
+
+ /* Allocate some uncollectable As and disguise their pointers.
+ Later we'll check to see if the objects are still there. We're
+ checking to make sure these objects really are uncollectable. */
+ long as[ 1000 ];
+ long bs[ 1000 ];
+ for (i = 0; i < 1000; i++) {
+ as[ i ] = Disguise( new (NoGC) A( i ) );
+ bs[ i ] = Disguise( new (NoGC) B( i ) );}
+
+ /* Allocate a fair number of finalizable Cs, Ds, and Fs.
+ Later we'll check to make sure they've gone away. */
+ for (i = 0; i < 1000; i++) {
+ C* c = new C( 2 );
+ C c1( 2 ); /* stack allocation should work too */
+ D* d = ::new (USE_GC, D::CleanUp, (void*)(long)i) D( i );
+ F* f = new F;
+ if (0 == i % 10) delete c;}
+
+ /* Allocate a very large number of collectable As and Bs and
+ drop the references to them immediately, forcing many
+ collections. */
+ for (i = 0; i < 1000000; i++) {
+ A* a = new (USE_GC) A( i );
+ B* b = new B( i );
+ b = new (USE_GC) B( i );
+ if (0 == i % 10) {
+ B::Deleting( 1 );
+ delete b;
+ B::Deleting( 0 );}
+# ifdef FINALIZE_ON_DEMAND
+ GC_invoke_finalizers();
+# endif
+ }
+
+ /* Make sure the uncollectable As and Bs are still there. */
+ for (i = 0; i < 1000; i++) {
+ A* a = (A*) Undisguise( as[ i ] );
+ B* b = (B*) Undisguise( bs[ i ] );
+ a->Test( i );
+ delete a;
+ b->Test( i );
+ B::Deleting( 1 );
+ delete b;
+ B::Deleting( 0 );
+# ifdef FINALIZE_ON_DEMAND
+ GC_invoke_finalizers();
+# endif
+
+ }
+
+ /* Make sure most of the finalizable Cs, Ds, and Fs have
+ gone away. */
+ C::Test();
+ D::Test();
+ F::Test();}
+
+# if !defined(__GNUC__) && !defined(MACOS)
+ my_assert (29 == x[3]);
+# endif
+ GC_printf0( "The test appears to have succeeded.\n" );
+ return( 0 );}
+
+
diff --git a/gc/tests/thread_leak_test.c b/gc/tests/thread_leak_test.c
new file mode 100644
index 0000000..1174705
--- /dev/null
+++ b/gc/tests/thread_leak_test.c
@@ -0,0 +1,40 @@
+#define GC_LINUX_THREADS
+#include "leak_detector.h"
+#include <pthread.h>
+#include <stdio.h>
+
+void * test(void * arg) {
+ int *p[10];
+ int i;
+ GC_find_leak = 1; /* for new collect versions not compiled */
+ /* with -DFIND_LEAK. */
+ for (i = 0; i < 10; ++i) {
+ p[i] = malloc(sizeof(int)+i);
+ }
+ CHECK_LEAKS();
+ for (i = 1; i < 10; ++i) {
+ free(p[i]);
+ }
+}
+
+#define NTHREADS 5
+
+main() {
+ int i;
+ pthread_t t[NTHREADS];
+ int code;
+
+ for (i = 0; i < NTHREADS; ++i) {
+ if ((code = pthread_create(t + i, 0, test, 0)) != 0) {
+ printf("Thread creation failed %d\n", code);
+ }
+ }
+ for (i = 0; i < NTHREADS; ++i) {
+ if ((code = pthread_join(t[i], 0)) != 0) {
+ printf("Thread join failed %lu\n", code);
+ }
+ }
+ CHECK_LEAKS();
+ CHECK_LEAKS();
+ CHECK_LEAKS();
+}
diff --git a/gc/tests/trace_test.c b/gc/tests/trace_test.c
new file mode 100644
index 0000000..be9cb6c
--- /dev/null
+++ b/gc/tests/trace_test.c
@@ -0,0 +1,28 @@
+#include <stdio.h>
+#define GC_DEBUG
+#include "gc.h"
+
+struct treenode {
+ struct treenode *x;
+ struct treenode *y;
+} * root[10];
+
+struct treenode * mktree(int i) {
+ struct treenode * r = GC_MALLOC(sizeof(struct treenode));
+ if (0 == i) return 0;
+ r -> x = mktree(i-1);
+ r -> y = mktree(i-1);
+ return r;
+}
+
+main()
+{
+ int i;
+ for (i = 0; i < 10; ++i) {
+ root[i] = mktree(12);
+ }
+ GC_generate_random_backtrace();
+ GC_generate_random_backtrace();
+ GC_generate_random_backtrace();
+ GC_generate_random_backtrace();
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 07:19:17 +0000