/*
* 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.
* Copyright (c) 2009-2021 Ivan Maidanski
*
* 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. */
# ifdef HAVE_CONFIG_H
# include "config.h"
# endif
# undef GC_BUILD
#if (defined(DBG_HDRS_ALL) || defined(MAKE_BACK_GRAPH)) \
&& !defined(GC_DEBUG) && !defined(CPPCHECK)
# define GC_DEBUG
#endif
#ifdef DEFAULT_VDB /* specified manually (e.g. passed to CFLAGS) */
# define TEST_DEFAULT_VDB
#endif
#if defined(CPPCHECK) && defined(GC_PTHREADS) && !defined(_GNU_SOURCE)
# define _GNU_SOURCE 1
#endif
#ifdef GC_NO_THREADS_DISCOVERY
# undef GC_NO_THREAD_REDIRECTS
#endif
#include "gc.h"
#ifndef NTHREADS /* Number of additional threads to fork. */
# define NTHREADS 5 /* Excludes main thread, which also runs a test. */
/* In the single-threaded case, the number of times to rerun it. */
/* Not respected by PCR test. */
#endif
# if defined(mips) && defined(SYSTYPE_BSD43)
/* MIPS RISCOS 4 */
# else
# include <stdlib.h>
# endif
# include <stdio.h>
# if defined(_WIN32_WCE) && !defined(__GNUC__)
# include <winbase.h>
/* # define assert ASSERT */
# else
# include <assert.h> /* Not normally used, but handy for debugging. */
# endif
#if defined(GC_NO_FINALIZATION) && !defined(NO_TYPED_TEST)
# define NO_TYPED_TEST
#endif
#ifndef NO_TYPED_TEST
# include "gc_typed.h"
#endif
#define NOT_GCBUILD
#include "private/gc_priv.h" /* For output, locking, */
/* some statistics and gcconfig.h. */
#if defined(GC_PRINT_VERBOSE_STATS) || defined(GCTEST_PRINT_VERBOSE)
# define print_stats VERBOSE
# define INIT_PRINT_STATS /* empty */
#else
/* Use own variable as GC_print_stats might not be exported. */
static int print_stats = 0;
# ifdef GC_READ_ENV_FILE
/* GETENV uses GC internal function in this case. */
# define INIT_PRINT_STATS /* empty */
# else
# define INIT_PRINT_STATS \
{ \
if (0 != GETENV("GC_PRINT_VERBOSE_STATS")) \
print_stats = VERBOSE; \
else if (0 != GETENV("GC_PRINT_STATS")) \
print_stats = 1; \
}
# endif
#endif /* !GC_PRINT_VERBOSE_STATS */
# ifdef PCR
# include "th/PCR_ThCrSec.h"
# include "th/PCR_Th.h"
# define GC_printf printf
# endif
# if defined(GC_PTHREADS) && !defined(GC_WIN32_PTHREADS)
# include <pthread.h>
# endif
# if ((defined(DARWIN) && defined(MPROTECT_VDB) && !defined(THREADS) \
&& !defined(MAKE_BACK_GRAPH) && !defined(TEST_HANDLE_FORK)) \
|| (defined(THREADS) && !defined(CAN_HANDLE_FORK)) \
|| defined(HAVE_NO_FORK) || defined(USE_WINALLOC)) \
&& !defined(NO_TEST_HANDLE_FORK)
# define NO_TEST_HANDLE_FORK
# endif
# ifndef NO_TEST_HANDLE_FORK
# include <unistd.h>
# include <sys/types.h>
# include <sys/wait.h>
# if defined(HANDLE_FORK) && defined(CAN_CALL_ATFORK)
# define INIT_FORK_SUPPORT GC_set_handle_fork(1)
/* Causes abort in GC_init on pthread_atfork failure. */
# elif !defined(TEST_FORK_WITHOUT_ATFORK)
# define INIT_FORK_SUPPORT GC_set_handle_fork(-1)
/* Passing -1 implies fork() should be as well manually */
/* surrounded with GC_atfork_prepare/parent/child. */
# endif
# endif
# ifndef INIT_FORK_SUPPORT
# define INIT_FORK_SUPPORT /* empty */
# endif
#ifdef PCR
# define FINALIZER_LOCK() PCR_ThCrSec_EnterSys()
# define FINALIZER_UNLOCK() PCR_ThCrSec_ExitSys()
#elif defined(GC_PTHREADS)
static pthread_mutex_t incr_lock = PTHREAD_MUTEX_INITIALIZER;
# define FINALIZER_LOCK() pthread_mutex_lock(&incr_lock)
# define FINALIZER_UNLOCK() pthread_mutex_unlock(&incr_lock)
#elif defined(GC_WIN32_THREADS)
static CRITICAL_SECTION incr_cs;
# define FINALIZER_LOCK() EnterCriticalSection(&incr_cs)
# define FINALIZER_UNLOCK() LeaveCriticalSection(&incr_cs)
#else
# define FINALIZER_LOCK() (void)0
# define FINALIZER_UNLOCK() (void)0
#endif /* !THREADS */
#include <stdarg.h>
#ifdef TEST_MANUAL_VDB
# define INIT_MANUAL_VDB_ALLOWED GC_set_manual_vdb_allowed(1)
#elif !defined(SMALL_CONFIG)
# define INIT_MANUAL_VDB_ALLOWED GC_set_manual_vdb_allowed(0)
#else
# define INIT_MANUAL_VDB_ALLOWED /* empty */
#endif
#ifdef TEST_PAGES_EXECUTABLE
# define INIT_PAGES_EXECUTABLE GC_set_pages_executable(1)
#else
# define INIT_PAGES_EXECUTABLE (void)0
#endif
#define CHECK_GCLIB_VERSION \
if (GC_get_version() != ((GC_VERSION_MAJOR<<16) \
| (GC_VERSION_MINOR<<8) \
| GC_VERSION_MICRO)) { \
GC_printf("libgc version mismatch\n"); \
exit(1); \
}
/* Call GC_INIT only on platforms on which we think we really need it, */
/* so that we can test automatic initialization on the rest. */
#if defined(TEST_EXPLICIT_GC_INIT) || defined(AIX) || defined(CYGWIN32) \
|| defined(DARWIN) || defined(HOST_ANDROID) \
|| (defined(MSWINCE) && !defined(GC_WINMAIN_REDIRECT))
# define GC_OPT_INIT GC_INIT()
#else
# define GC_OPT_INIT /* empty */
#endif
#define INIT_FIND_LEAK \
if (!GC_get_find_leak()) {} else \
GC_printf("This test program is not designed for leak detection mode\n")
#ifdef NO_CLOCK
# define INIT_PERF_MEASUREMENT (void)0
#else
# define INIT_PERF_MEASUREMENT GC_start_performance_measurement()
#endif
#define GC_COND_INIT() \
INIT_FORK_SUPPORT; INIT_MANUAL_VDB_ALLOWED; INIT_PAGES_EXECUTABLE; \
GC_OPT_INIT; CHECK_GCLIB_VERSION; \
INIT_PRINT_STATS; INIT_FIND_LEAK; INIT_PERF_MEASUREMENT
#define CHECK_OUT_OF_MEMORY(p) \
if ((p) == NULL) { \
GC_printf("Out of memory\n"); \
exit(1); \
}
static void *checkOOM(void *p)
{
CHECK_OUT_OF_MEMORY(p);
return p;
}
/* Define AO primitives for a single-threaded mode. */
#ifndef AO_HAVE_compiler_barrier
/* AO_t not defined. */
# define AO_t GC_word
#endif
#ifndef AO_HAVE_load_acquire
static AO_t AO_load_acquire(const volatile AO_t *addr)
{
AO_t result;
FINALIZER_LOCK();
result = *addr;
FINALIZER_UNLOCK();
return result;
}
#endif
#ifndef AO_HAVE_store_release
/* Not a macro as new_val argument should be evaluated before the lock. */
static void AO_store_release(volatile AO_t *addr, AO_t new_val)
{
FINALIZER_LOCK();
*addr = new_val;
FINALIZER_UNLOCK();
}
#endif
#ifndef AO_HAVE_fetch_and_add1
# define AO_fetch_and_add1(p) ((*(p))++)
/* This is used only to update counters. */
#endif
/* Allocation Statistics. Synchronization is not strictly necessary. */
volatile AO_t uncollectable_count = 0;
volatile AO_t collectable_count = 0;
volatile AO_t atomic_count = 0;
volatile AO_t realloc_count = 0;
volatile AO_t extra_count = 0; /* Amount of space wasted in cons node; */
/* also used in gcj_cons, mktree and */
/* chktree (for other purposes). */
#if defined(GC_AMIGA_FASTALLOC) && defined(AMIGA)
EXTERN_C_BEGIN
void GC_amiga_free_all_mem(void);
EXTERN_C_END
void Amiga_Fail(void){GC_amiga_free_all_mem();abort();}
# define FAIL Amiga_Fail()
#ifndef NO_TYPED_TEST
void *GC_amiga_gctest_malloc_explicitly_typed(size_t lb, GC_descr d){
void *ret=GC_malloc_explicitly_typed(lb,d);
if(ret==NULL){
GC_gcollect();
ret=GC_malloc_explicitly_typed(lb,d);
if(ret==NULL){
GC_printf("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){
GC_gcollect();
ret=GC_calloc_explicitly_typed(a,lb,d);
if(ret==NULL){
GC_printf("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)
#endif /* !NO_TYPED_TEST */
#else /* !AMIGA_FASTALLOC */
# if defined(PCR) || defined(LINT2)
# define FAIL abort()
# else
# define FAIL ABORT("Test failed")
# 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)(GC_word)(x))
# define SEXPR_TO_INT(x) ((int)(GC_word)(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)
/* Silly implementation of Lisp cons. Intentionally wastes lots of space */
/* to test collector. */
# ifdef VERY_SMALL_CONFIG
# define cons small_cons
# else
sexpr cons (sexpr x, sexpr y)
{
sexpr r;
int *p;
unsigned my_extra = (unsigned)AO_fetch_and_add1(&extra_count) % 5000;
r = (sexpr)GC_MALLOC(sizeof(struct SEXPR) + my_extra);
CHECK_OUT_OF_MEMORY(r);
AO_fetch_and_add1(&collectable_count);
for (p = (int *)r;
(word)p < (word)r + my_extra + sizeof(struct SEXPR); p++) {
if (*p) {
GC_printf("Found nonzero at %p - allocator is broken\n",
(void *)p);
FAIL;
}
*p = (int)((13 << 12) + ((p - (int *)r) & 0xfff));
}
# ifdef AT_END
r = (sexpr)((char *)r + (my_extra & ~7));
# endif
r -> sexpr_car = x;
GC_PTR_STORE_AND_DIRTY(&r->sexpr_cdr, y);
GC_reachable_here(x);
return r;
}
# endif
#include "gc_mark.h"
#ifdef GC_GCJ_SUPPORT
#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. */
GC_word 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, ((GC_word)3 << (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 *)GC_USR_PTR_FROM_BASE(addr);
}
x = (sexpr)(addr + 1); /* Skip the vtable pointer. */
mark_stack_ptr = GC_MARK_AND_PUSH(
(void *)(x -> sexpr_cdr), mark_stack_ptr,
mark_stack_limit, (void * *)&(x -> sexpr_cdr));
mark_stack_ptr = GC_MARK_AND_PUSH(
(void *)(x -> sexpr_car), mark_stack_ptr,
mark_stack_limit, (void * *)&(x -> sexpr_car));
return(mark_stack_ptr);
}
#endif /* GC_GCJ_SUPPORT */
sexpr small_cons (sexpr x, sexpr y)
{
sexpr r = GC_NEW(struct SEXPR);
CHECK_OUT_OF_MEMORY(r);
AO_fetch_and_add1(&collectable_count);
r -> sexpr_car = x;
GC_PTR_STORE_AND_DIRTY(&r->sexpr_cdr, y);
GC_reachable_here(x);
return r;
}
#ifdef NO_CONS_ATOMIC_LEAF
# define small_cons_leaf(x) small_cons(INT_TO_SEXPR(x), nil)
#else
sexpr small_cons_leaf(int x)
{
sexpr r = (sexpr)GC_MALLOC_ATOMIC(sizeof(struct SEXPR));
CHECK_OUT_OF_MEMORY(r);
AO_fetch_and_add1(&atomic_count);
r -> sexpr_car = INT_TO_SEXPR(x);
r -> sexpr_cdr = nil;
return r;
}
#endif
sexpr small_cons_uncollectable (sexpr x, sexpr y)
{
sexpr r = (sexpr)GC_MALLOC_UNCOLLECTABLE(sizeof(struct SEXPR));
CHECK_OUT_OF_MEMORY(r);
AO_fetch_and_add1(&uncollectable_count);
r -> sexpr_cdr = (sexpr)(~(GC_word)y);
GC_PTR_STORE_AND_DIRTY(&r->sexpr_car, x);
return r;
}
#ifdef GC_GCJ_SUPPORT
sexpr gcj_cons(sexpr x, sexpr y)
{
sexpr result;
GC_word * r = (GC_word *)GC_GCJ_MALLOC(
sizeof(struct SEXPR) + sizeof(struct fake_vtable*),
(AO_fetch_and_add1(&extra_count) & 1) != 0
? &gcj_class_struct1
: &gcj_class_struct2);
CHECK_OUT_OF_MEMORY(r);
AO_fetch_and_add1(&collectable_count);
result = (sexpr)(r + 1);
result -> sexpr_car = x;
GC_PTR_STORE_AND_DIRTY(&result->sexpr_cdr, y);
GC_reachable_here(x);
return result;
}
#endif /* GC_GCJ_SUPPORT */
/* Return reverse(x) concatenated with y */
sexpr reverse1(sexpr x, sexpr y)
{
if (is_nil(x)) {
return(y);
} else {
return( reverse1(cdr(x), cons(car(x), y)) );
}
}
sexpr reverse(sexpr x)
{
# ifdef TEST_WITH_SYSTEM_MALLOC
GC_noop1(GC_HIDE_POINTER(checkOOM(malloc(100000))));
# endif
return( reverse1(x, nil) );
}
sexpr ints(int low, int up)
{
if (low > up) {
return(nil);
} else {
return small_cons(small_cons_leaf(low), ints(low + 1, up));
}
}
#ifdef GC_GCJ_SUPPORT
/* Return reverse(x) concatenated with y */
sexpr gcj_reverse1(sexpr x, sexpr y)
{
if (is_nil(x)) {
return(y);
} else {
return( gcj_reverse1(cdr(x), gcj_cons(car(x), y)) );
}
}
sexpr gcj_reverse(sexpr x)
{
return( gcj_reverse1(x, nil) );
}
sexpr gcj_ints(int low, int 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 uncollectible allocation we build lists with disguised cdr */
/* pointers, and make sure they don't go away. */
sexpr uncollectable_ints(int low, int up)
{
if (low > up) {
return(nil);
} else {
return(small_cons_uncollectable(small_cons_leaf(low),
uncollectable_ints(low+1, up)));
}
}
void check_ints(sexpr list, int low, int up)
{
if (is_nil(list)) {
GC_printf("list is nil\n");
FAIL;
}
if (SEXPR_TO_INT(car(car(list))) != low) {
GC_printf(
"List reversal produced incorrect list - collector is broken\n");
FAIL;
}
if (low == up) {
if (cdr(list) != nil) {
GC_printf("List too long - collector is broken\n");
FAIL;
}
} else {
check_ints(cdr(list), low+1, up);
}
}
# define UNCOLLECTABLE_CDR(x) (sexpr)(~(GC_word)(cdr(x)))
void check_uncollectable_ints(sexpr list, int low, int up)
{
if (SEXPR_TO_INT(car(car(list))) != low) {
GC_printf("Uncollectable list corrupted - collector is broken\n");
FAIL;
}
if (low == up) {
if (UNCOLLECTABLE_CDR(list) != nil) {
GC_printf("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(sexpr x)
{
if (is_nil(x)) {
GC_printf("NIL\n");
} else {
GC_printf("(%d)", SEXPR_TO_INT(car(car(x))));
if (!is_nil(cdr(x))) {
GC_printf(", ");
print_int_list(cdr(x));
} else {
GC_printf("\n");
}
}
}
/* ditto: */
void check_marks_int_list(sexpr x)
{
if (!GC_is_marked(x))
GC_printf("[unm:%p]", (void *)x);
else
GC_printf("[mkd:%p]", (void *)x);
if (is_nil(x)) {
GC_printf("NIL\n");
} else {
if (!GC_is_marked(car(x)))
GC_printf("[unm car:%p]", (void *)car(x));
GC_printf("(%d)", SEXPR_TO_INT(car(car(x))));
if (!is_nil(cdr(x))) {
GC_printf(", ");
check_marks_int_list(cdr(x));
} else {
GC_printf("\n");
}
}
}
/*
* A tiny list reversal test to check thread creation.
*/
#ifdef THREADS
# ifdef VERY_SMALL_CONFIG
# define TINY_REVERSE_UPPER_VALUE 4
# else
# define TINY_REVERSE_UPPER_VALUE 10
# endif
# if defined(GC_WIN32_THREADS) && !defined(GC_PTHREADS)
DWORD __stdcall tiny_reverse_test(void * arg GC_ATTR_UNUSED)
# else
void * tiny_reverse_test(void * arg GC_ATTR_UNUSED)
# endif
{
int i;
for (i = 0; i < 5; ++i) {
check_ints(reverse(reverse(ints(1, TINY_REVERSE_UPPER_VALUE))),
1, TINY_REVERSE_UPPER_VALUE);
}
# if defined(GC_ENABLE_SUSPEND_THREAD)
/* Force collection from a thread. */
GC_gcollect();
# endif
return 0;
}
# if defined(GC_PTHREADS)
# if defined(GC_ENABLE_SUSPEND_THREAD)
# include "javaxfc.h"
# endif
void fork_a_thread(void)
{
pthread_t t;
int code;
code = pthread_create(&t, NULL, tiny_reverse_test, 0);
if (code != 0) {
GC_printf("Small thread creation failed %d\n", code);
FAIL;
}
# if defined(GC_ENABLE_SUSPEND_THREAD) && !defined(GC_DARWIN_THREADS) \
&& !defined(GC_OPENBSD_UTHREADS) && !defined(GC_WIN32_THREADS) \
&& !defined(NACL) && !defined(GC_OSF1_THREADS)
if (GC_is_thread_suspended(t)) {
GC_printf("Running thread should be not suspended\n");
FAIL;
}
/* Thread could be running or already terminated (but not joined). */
GC_suspend_thread(t);
if (!GC_is_thread_suspended(t)) {
GC_printf("Thread expected to be suspended\n");
FAIL;
}
GC_suspend_thread(t); /* should be no-op */
GC_resume_thread(t);
if (GC_is_thread_suspended(t)) {
GC_printf("Resumed thread should be not suspended\n");
FAIL;
}
GC_resume_thread(t); /* should be no-op */
# endif
if ((code = pthread_join(t, 0)) != 0) {
GC_printf("Small thread join failed %d\n", code);
FAIL;
}
}
# elif defined(GC_WIN32_THREADS)
void fork_a_thread(void)
{
DWORD thread_id;
HANDLE h;
h = CreateThread((SECURITY_ATTRIBUTES *)NULL, (word)0,
tiny_reverse_test, NULL, (DWORD)0, &thread_id);
/* Explicitly specify types of the */
/* arguments to test the prototype. */
if (h == (HANDLE)NULL) {
GC_printf("Small thread creation failed, errcode= %d\n",
(int)GetLastError());
FAIL;
}
if (WaitForSingleObject(h, INFINITE) != WAIT_OBJECT_0) {
GC_printf("Small thread wait failed, errcode= %d\n",
(int)GetLastError());
FAIL;
}
}
# endif
#endif
void test_generic_malloc_or_special(void *p) {
size_t size;
int kind;
void *p2;
CHECK_OUT_OF_MEMORY(p);
kind = GC_get_kind_and_size(p, &size);
if (size != GC_size(p)) {
GC_printf("GC_get_kind_and_size returned size not matching GC_size\n");
FAIL;
}
p2 = GC_GENERIC_OR_SPECIAL_MALLOC(10, kind);
CHECK_OUT_OF_MEMORY(p2);
if (GC_get_kind_and_size(p2, NULL) != kind) {
GC_printf("GC_generic_or_special_malloc:"
" unexpected kind of returned object\n");
FAIL;
}
GC_FREE(p2);
}
/* Try to force a to be strangely aligned */
volatile struct A_s {
char dummy;
AO_t aa;
} A;
#define a_set(p) AO_store_release(&A.aa, (AO_t)(p))
#define a_get() (sexpr)AO_load_acquire(&A.aa)
/*
* Repeatedly reverse lists built out of very different sized cons cells.
* Check that we didn't lose anything.
*/
void *GC_CALLBACK reverse_test_inner(void *data)
{
int i;
sexpr b;
sexpr c;
sexpr d;
sexpr e;
sexpr *f, *g, *h;
if (data == 0) {
/* This stack frame is not guaranteed to be scanned. */
return GC_call_with_gc_active(reverse_test_inner, (void*)(word)1);
}
# ifndef BIG
# if defined(MACOS) \
|| (defined(UNIX_LIKE) && defined(NO_GETCONTEXT)) /* e.g. musl */
/* Assume 128 KB stacks at least. */
# if defined(__s390x__)
# define BIG 600
# else
# define BIG 1000
# endif
# elif defined(PCR)
/* PCR default stack is 100 KB. Stack frames are up to 120 bytes. */
# define BIG 700
# elif defined(MSWINCE) || defined(RTEMS)
/* WinCE only allows 64 KB stacks. */
# define BIG 500
# elif defined(EMSCRIPTEN) || defined(OSF1)
/* Wasm reports "Maximum call stack size exceeded" error otherwise. */
/* OSF has limited stack space by default, and large frames. */
# define BIG 200
# elif defined(__MACH__) && defined(__ppc64__)
# define BIG 2500
# else
# define BIG 4500
# endif
# endif
a_set(ints(1, 49));
b = ints(1, 50);
c = ints(1, BIG);
d = uncollectable_ints(1, 100);
test_generic_malloc_or_special(d);
e = uncollectable_ints(1, 1);
/* Check that realloc updates object descriptors correctly */
AO_fetch_and_add1(&collectable_count);
f = (sexpr *)checkOOM(GC_MALLOC(4 * sizeof(sexpr)));
f = (sexpr *)GC_REALLOC((void *)f, 6 * sizeof(sexpr));
CHECK_OUT_OF_MEMORY(f);
AO_fetch_and_add1(&realloc_count);
GC_PTR_STORE_AND_DIRTY(f + 5, ints(1, 17));
AO_fetch_and_add1(&collectable_count);
g = (sexpr *)GC_MALLOC(513 * sizeof(sexpr));
test_generic_malloc_or_special(g);
g = (sexpr *)GC_REALLOC((void *)g, 800 * sizeof(sexpr));
CHECK_OUT_OF_MEMORY(g);
AO_fetch_and_add1(&realloc_count);
GC_PTR_STORE_AND_DIRTY(g + 799, ints(1, 18));
AO_fetch_and_add1(&collectable_count);
h = (sexpr *)checkOOM(GC_MALLOC(1025 * sizeof(sexpr)));
h = (sexpr *)GC_REALLOC((void *)h, 2000 * sizeof(sexpr));
CHECK_OUT_OF_MEMORY(h);
AO_fetch_and_add1(&realloc_count);
# ifdef GC_GCJ_SUPPORT
GC_PTR_STORE_AND_DIRTY(h + 1999, gcj_ints(1, 200));
for (i = 0; i < 51; ++i) {
GC_PTR_STORE_AND_DIRTY(h + 1999, gcj_reverse(h[1999]));
}
/* Leave it as the reversed list for now. */
# else
GC_PTR_STORE_AND_DIRTY(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 *));
GC_FREE((void *)e);
check_ints(b,1,50);
# ifndef EMSCRIPTEN
check_ints(a_get(),1,49);
# else
/* FIXME: gctest fails unless check_ints(a_get(), ...) are skipped. */
# endif
for (i = 0; i < 50; i++) {
check_ints(b,1,50);
b = reverse(reverse(b));
}
check_ints(b,1,50);
# ifndef EMSCRIPTEN
check_ints(a_get(),1,49);
# endif
for (i = 0; i < 10 * (NTHREADS+1); i++) {
# if (defined(GC_PTHREADS) || defined(GC_WIN32_THREADS)) \
&& (NTHREADS > 0)
if (i % 10 == 0) fork_a_thread();
# endif
/* This maintains the invariant that a always points to a list */
/* of 49 integers. Thus, this is thread safe without locks, */
/* assuming acquire/release barriers in a_get/set() and atomic */
/* pointer assignments (otherwise, e.g., check_ints() may see */
/* an uninitialized object returned by GC_MALLOC). */
a_set(reverse(reverse(a_get())));
# if !defined(AT_END) && !defined(THREADS)
/* This is not thread safe, since realloc explicitly deallocates */
a_set(checkOOM(GC_REALLOC(a_get(), (i & 1) != 0 ? 500 : 8200)));
AO_fetch_and_add1(&realloc_count);
# endif
}
# ifndef EMSCRIPTEN
check_ints(a_get(),1,49);
# endif
check_ints(b,1,50);
/* Restore c and d values. */
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
GC_PTR_STORE_AND_DIRTY(h + 1999, gcj_reverse(h[1999]));
# endif
check_ints(h[1999], 1,200);
# ifndef THREADS
a_set(NULL);
# endif
*(sexpr volatile *)&b = 0;
*(sexpr volatile *)&c = 0;
return 0;
}
void reverse_test(void)
{
/* Test GC_do_blocking/GC_call_with_gc_active. */
(void)GC_do_blocking(reverse_test_inner, 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;
#ifndef GC_NO_FINALIZATION
int finalizable_count = 0;
#endif
int finalized_count = 0;
int dropped_something = 0;
void GC_CALLBACK finalizer(void * obj, void * client_data)
{
tn * t = (tn *)obj;
FINALIZER_LOCK();
if ((int)(GC_word)client_data != t -> level) {
GC_printf("Wrong finalization data - collector is broken\n");
FAIL;
}
finalized_count++;
t -> level = -1; /* detect duplicate finalization immediately */
FINALIZER_UNLOCK();
}
# define MAX_FINALIZED ((NTHREADS+1)*4000)
# if !defined(MACOS)
GC_FAR GC_word live_indicators[MAX_FINALIZED] = {0};
# ifndef GC_LONG_REFS_NOT_NEEDED
GC_FAR void *live_long_refs[MAX_FINALIZED] = { NULL };
# endif
#else
/* Too big for THINK_C. have to allocate it dynamically. */
GC_word *live_indicators = 0;
# ifndef GC_LONG_REFS_NOT_NEEDED
# define GC_LONG_REFS_NOT_NEEDED
# endif
#endif
int live_indicators_count = 0;
tn * mktree(int n)
{
tn * result = GC_NEW(tn);
tn * left, * right;
CHECK_OUT_OF_MEMORY(result);
AO_fetch_and_add1(&collectable_count);
# if defined(MACOS)
/* get around static data limitations. */
if (!live_indicators) {
live_indicators =
(GC_word*)NewPtrClear(MAX_FINALIZED * sizeof(GC_word));
CHECK_OUT_OF_MEMORY(live_indicators);
}
# endif
if (n == 0) return(0);
result -> level = n;
result -> lchild = left = mktree(n - 1);
result -> rchild = right = mktree(n - 1);
if (AO_fetch_and_add1(&extra_count) % 17 == 0 && n >= 2) {
tn * tmp;
CHECK_OUT_OF_MEMORY(left);
tmp = left -> rchild;
CHECK_OUT_OF_MEMORY(right);
GC_PTR_STORE_AND_DIRTY(&left->rchild, right->lchild);
GC_PTR_STORE_AND_DIRTY(&right->lchild, tmp);
}
if (AO_fetch_and_add1(&extra_count) % 119 == 0) {
# ifndef GC_NO_FINALIZATION
int my_index;
void **new_link = GC_NEW(void *);
CHECK_OUT_OF_MEMORY(new_link);
AO_fetch_and_add1(&collectable_count);
# endif
{
FINALIZER_LOCK();
/* Losing a count here causes erroneous report of failure. */
# ifndef GC_NO_FINALIZATION
finalizable_count++;
my_index = live_indicators_count++;
# endif
FINALIZER_UNLOCK();
}
# ifndef GC_NO_FINALIZATION
if (!GC_get_find_leak()) {
GC_REGISTER_FINALIZER((void *)result, finalizer, (void *)(GC_word)n,
(GC_finalization_proc *)0, (void * *)0);
if (my_index >= MAX_FINALIZED) {
GC_printf("live_indicators overflowed\n");
FAIL;
}
live_indicators[my_index] = 13;
if (GC_GENERAL_REGISTER_DISAPPEARING_LINK(
(void * *)(&(live_indicators[my_index])), result) != 0) {
GC_printf("GC_general_register_disappearing_link failed\n");
FAIL;
}
if (GC_move_disappearing_link((void **)(&(live_indicators[my_index])),
(void **)(&(live_indicators[my_index]))) != GC_SUCCESS) {
GC_printf("GC_move_disappearing_link(link,link) failed\n");
FAIL;
}
*new_link = (void *)live_indicators[my_index];
if (GC_move_disappearing_link((void **)(&(live_indicators[my_index])),
new_link) != GC_SUCCESS) {
GC_printf("GC_move_disappearing_link(new_link) failed\n");
FAIL;
}
/* Note: if other thread is performing fork at this moment, */
/* then the stack of the current thread is dropped (together */
/* with new_link variable) in the child process, and */
/* GC_dl_hashtbl entry with the link equal to new_link will be */
/* removed when a collection occurs (as expected). */
if (GC_unregister_disappearing_link(new_link) == 0) {
GC_printf("GC_unregister_disappearing_link failed\n");
FAIL;
}
if (GC_move_disappearing_link((void **)(&(live_indicators[my_index])),
new_link) != GC_NOT_FOUND) {
GC_printf("GC_move_disappearing_link(new_link) failed 2\n");
FAIL;
}
if (GC_GENERAL_REGISTER_DISAPPEARING_LINK(
(void * *)(&(live_indicators[my_index])), result) != 0) {
GC_printf("GC_general_register_disappearing_link failed 2\n");
FAIL;
}
# ifndef GC_LONG_REFS_NOT_NEEDED
if (GC_REGISTER_LONG_LINK(&live_long_refs[my_index], result) != 0) {
GC_printf("GC_register_long_link failed\n");
FAIL;
}
if (GC_move_long_link(&live_long_refs[my_index],
&live_long_refs[my_index]) != GC_SUCCESS) {
GC_printf("GC_move_long_link(link,link) failed\n");
FAIL;
}
*new_link = live_long_refs[my_index];
if (GC_move_long_link(&live_long_refs[my_index],
new_link) != GC_SUCCESS) {
GC_printf("GC_move_long_link(new_link) failed\n");
FAIL;
}
if (GC_unregister_long_link(new_link) == 0) {
GC_printf("GC_unregister_long_link failed\n");
FAIL;
}
if (GC_move_long_link(&live_long_refs[my_index],
new_link) != GC_NOT_FOUND) {
GC_printf("GC_move_long_link(new_link) failed 2\n");
FAIL;
}
if (GC_REGISTER_LONG_LINK(&live_long_refs[my_index], result) != 0) {
GC_printf("GC_register_long_link failed 2\n");
FAIL;
}
# endif
}
# endif
GC_reachable_here(result);
}
GC_END_STUBBORN_CHANGE(result);
GC_reachable_here(left);
GC_reachable_here(right);
return(result);
}
void chktree(tn *t, int n)
{
if (0 == n) {
if (NULL == t) /* is a leaf? */
return;
GC_printf("Clobbered a leaf - collector is broken\n");
FAIL;
}
if (t -> level != n) {
GC_printf("Lost a node at level %d - collector is broken\n", n);
FAIL;
}
if (AO_fetch_and_add1(&extra_count) % 373 == 0) {
(void)checkOOM(GC_MALLOC(
(unsigned)AO_fetch_and_add1(&extra_count) % 5001));
AO_fetch_and_add1(&collectable_count);
}
chktree(t -> lchild, n-1);
if (AO_fetch_and_add1(&extra_count) % 73 == 0) {
(void)checkOOM(GC_MALLOC(
(unsigned)AO_fetch_and_add1(&extra_count) % 373));
AO_fetch_and_add1(&collectable_count);
}
chktree(t -> rchild, n-1);
}
#ifndef VERY_SMALL_CONFIG
# if defined(GC_PTHREADS)
pthread_key_t fl_key;
# endif
void * alloc8bytes(void)
{
# ifndef GC_PTHREADS
AO_fetch_and_add1(&atomic_count);
return GC_MALLOC_ATOMIC(8);
# elif defined(SMALL_CONFIG) || defined(GC_DEBUG)
AO_fetch_and_add1(&collectable_count);
return GC_MALLOC(8);
# else
void ** my_free_list_ptr;
void * my_free_list;
void * next;
my_free_list_ptr = (void **)pthread_getspecific(fl_key);
if (NULL == my_free_list_ptr) {
my_free_list_ptr = GC_NEW_UNCOLLECTABLE(void *);
if (NULL == my_free_list_ptr) return NULL;
AO_fetch_and_add1(&uncollectable_count);
if (pthread_setspecific(fl_key, my_free_list_ptr) != 0) {
GC_printf("pthread_setspecific failed\n");
FAIL;
}
}
my_free_list = *my_free_list_ptr;
if (NULL == my_free_list) {
my_free_list = GC_malloc_many(8);
if (NULL == my_free_list) return NULL;
}
next = GC_NEXT(my_free_list);
GC_PTR_STORE_AND_DIRTY(my_free_list_ptr, next);
GC_NEXT(my_free_list) = NULL;
AO_fetch_and_add1(&collectable_count);
return my_free_list;
# endif
}
void alloc_small(int n)
{
int i;
for (i = 0; i < n; i += 8) {
void *p = alloc8bytes();
CHECK_OUT_OF_MEMORY(p);
}
}
#endif /* !VERY_SMALL_CONFIG */
#include "gc_inline.h"
void test_tinyfl(void)
{
void *results[3];
void *tfls[3][GC_TINY_FREELISTS];
# ifndef DONT_ADD_BYTE_AT_END
if (GC_get_all_interior_pointers()) return; /* skip */
# endif
BZERO(tfls, sizeof(tfls));
/* TODO: Improve testing of FAST_MALLOC functionality. */
GC_MALLOC_WORDS(results[0], 11, tfls[0]);
CHECK_OUT_OF_MEMORY(results[0]);
GC_MALLOC_ATOMIC_WORDS(results[1], 20, tfls[1]);
CHECK_OUT_OF_MEMORY(results[1]);
GC_CONS(results[2], results[0], results[1], tfls[2]);
CHECK_OUT_OF_MEMORY(results[2]);
}
# 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(void)
{
tn * root;
int i;
root = mktree(TREE_HEIGHT);
# ifndef VERY_SMALL_CONFIG
alloc_small(5000000);
# endif
chktree(root, TREE_HEIGHT);
FINALIZER_LOCK();
if (finalized_count && !dropped_something) {
GC_printf("Premature finalization - collector is broken\n");
FAIL;
}
dropped_something = 1;
FINALIZER_UNLOCK();
GC_reachable_here(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;
#ifndef NO_TYPED_TEST
const GC_word bm_huge[320 / CPP_WORDSZ] = {
# if CPP_WORDSZ == 32
0xffffffff,
0xffffffff,
0xffffffff,
0xffffffff,
0xffffffff,
# endif
(GC_word)((GC_signed_word)-1),
(GC_word)((GC_signed_word)-1),
(GC_word)((GC_signed_word)-1),
(GC_word)((GC_signed_word)-1),
((GC_word)((GC_signed_word)-1)) >> 8 /* highest byte is zero */
};
/* A very simple test of explicitly typed allocation */
void typed_test(void)
{
GC_word * old, * newP;
GC_word bm3[1] = {0};
GC_word bm2[1] = {0};
GC_word bm_large[1] = { 0xf7ff7fff };
GC_descr d1;
GC_descr d2;
GC_descr d3 = GC_make_descriptor(bm_large, 32);
GC_descr d4 = GC_make_descriptor(bm_huge, 320);
GC_word * x = (GC_word *)checkOOM(GC_MALLOC_EXPLICITLY_TYPED(
320 * sizeof(GC_word) + 123, d4));
int i;
AO_fetch_and_add1(&collectable_count);
(void)GC_make_descriptor(bm_large, 32);
if (GC_get_bit(bm_huge, 32) == 0 || GC_get_bit(bm_huge, 311) == 0
|| GC_get_bit(bm_huge, 319) != 0) {
GC_printf("Bad GC_get_bit() or bm_huge initialization\n");
FAIL;
}
GC_set_bit(bm3, 0);
GC_set_bit(bm3, 1);
d1 = GC_make_descriptor(bm3, 2);
GC_set_bit(bm2, 1);
d2 = GC_make_descriptor(bm2, 2);
old = 0;
for (i = 0; i < 4000; i++) {
newP = (GC_word *)GC_MALLOC_EXPLICITLY_TYPED(4 * sizeof(GC_word), d1);
CHECK_OUT_OF_MEMORY(newP);
AO_fetch_and_add1(&collectable_count);
if (newP[0] != 0 || newP[1] != 0) {
GC_printf("Bad initialization by GC_malloc_explicitly_typed\n");
FAIL;
}
newP[0] = 17;
GC_PTR_STORE_AND_DIRTY(newP + 1, old);
old = newP;
AO_fetch_and_add1(&collectable_count);
newP = (GC_word *)GC_MALLOC_EXPLICITLY_TYPED(4 * sizeof(GC_word), d2);
CHECK_OUT_OF_MEMORY(newP);
newP[0] = 17;
GC_PTR_STORE_AND_DIRTY(newP + 1, old);
old = newP;
AO_fetch_and_add1(&collectable_count);
newP = (GC_word*)GC_MALLOC_EXPLICITLY_TYPED(33 * sizeof(GC_word), d3);
CHECK_OUT_OF_MEMORY(newP);
newP[0] = 17;
GC_PTR_STORE_AND_DIRTY(newP + 1, old);
old = newP;
AO_fetch_and_add1(&collectable_count);
newP = (GC_word *)GC_CALLOC_EXPLICITLY_TYPED(4, 2 * sizeof(GC_word),
d1);
CHECK_OUT_OF_MEMORY(newP);
newP[0] = 17;
GC_PTR_STORE_AND_DIRTY(newP + 1, old);
old = newP;
AO_fetch_and_add1(&collectable_count);
if (i & 0xff) {
newP = (GC_word *)GC_CALLOC_EXPLICITLY_TYPED(7, 3 * sizeof(GC_word),
d2);
} else {
newP = (GC_word *)GC_CALLOC_EXPLICITLY_TYPED(1001,
3 * sizeof(GC_word),
d2);
if (newP != NULL && (newP[0] != 0 || newP[1] != 0)) {
GC_printf("Bad initialization by GC_malloc_explicitly_typed\n");
FAIL;
}
}
CHECK_OUT_OF_MEMORY(newP);
newP[0] = 17;
GC_PTR_STORE_AND_DIRTY(newP + 1, old);
old = newP;
}
for (i = 0; i < 20000; i++) {
if (newP[0] != 17) {
GC_printf("Typed alloc failed at %d\n", i);
FAIL;
}
newP[0] = 0;
old = newP;
newP = (GC_word *)old[1];
}
GC_gcollect();
GC_noop1((word)x);
}
#endif /* !NO_TYPED_TEST */
#ifdef DBG_HDRS_ALL
# define set_print_procs() (void)(A.dummy = 17)
#else
volatile AO_t fail_count = 0;
void GC_CALLBACK fail_proc1(void *x GC_ATTR_UNUSED)
{
AO_fetch_and_add1(&fail_count);
}
void set_print_procs(void)
{
/* Set these global variables just once to avoid TSan false positives. */
A.dummy = 17;
GC_is_valid_displacement_print_proc = fail_proc1;
GC_is_visible_print_proc = fail_proc1;
}
# ifdef THREADS
# define TEST_FAIL_COUNT(n) 1
# else
# define TEST_FAIL_COUNT(n) (fail_count >= (AO_t)(n))
# endif
#endif /* !DBG_HDRS_ALL */
static void uniq(void *p, ...) {
va_list a;
void *q[100];
int n = 0, i, j;
q[n++] = p;
va_start(a,p);
for (;(q[n] = va_arg(a,void *)) != NULL;n++) ;
va_end(a);
for (i=0; i<n; i++)
for (j=0; j<i; j++)
if (q[i] == q[j]) {
GC_printf(
"Apparently failed to mark from some function arguments.\n"
"Perhaps GC_push_regs was configured incorrectly?\n"
);
FAIL;
}
}
#include "private/gc_alloc_ptrs.h"
void * GC_CALLBACK inc_int_counter(void *pcounter)
{
++(*(int *)pcounter);
/* Dummy checking of API functions while GC lock is held. */
GC_incr_bytes_allocd(0);
GC_incr_bytes_freed(0);
return NULL;
}
struct thr_hndl_sb_s {
void *gc_thread_handle;
struct GC_stack_base sb;
};
void * GC_CALLBACK set_stackbottom(void *cd)
{
GC_set_stackbottom(((struct thr_hndl_sb_s *)cd)->gc_thread_handle,
&((struct thr_hndl_sb_s *)cd)->sb);
return NULL;
}
#ifndef MIN_WORDS
# define MIN_WORDS 2
#endif
void run_one_test(void)
{
# ifndef DBG_HDRS_ALL
char *x, *y;
char **z;
# endif
# ifndef NO_CLOCK
CLOCK_TYPE start_time;
CLOCK_TYPE reverse_time;
unsigned long time_diff;
# endif
# ifndef NO_TEST_HANDLE_FORK
pid_t pid;
int wstatus;
# endif
struct thr_hndl_sb_s thr_hndl_sb;
GC_FREE(0);
# ifdef THREADS
if (!GC_thread_is_registered() && GC_is_init_called()) {
GC_printf("Current thread is not registered with GC\n");
FAIL;
}
# endif
test_tinyfl();
# ifndef DBG_HDRS_ALL
AO_fetch_and_add1(&collectable_count);
x = (char*)GC_malloc(7);
CHECK_OUT_OF_MEMORY(x);
AO_fetch_and_add1(&collectable_count);
y = (char*)GC_malloc(7);
CHECK_OUT_OF_MEMORY(y);
if (GC_size(x) != 8 && GC_size(y) != MIN_WORDS * sizeof(GC_word)) {
GC_printf("GC_size produced unexpected results\n");
FAIL;
}
AO_fetch_and_add1(&collectable_count);
x = (char*)GC_malloc(15);
CHECK_OUT_OF_MEMORY(x);
if (GC_size(x) != 16) {
GC_printf("GC_size produced unexpected results 2\n");
FAIL;
}
AO_fetch_and_add1(&collectable_count);
x = (char*)GC_malloc(0);
CHECK_OUT_OF_MEMORY(x);
if (GC_size(x) != MIN_WORDS * sizeof(GC_word)) {
GC_printf("GC_malloc(0) failed: GC_size returns %lu\n",
(unsigned long)GC_size(x));
FAIL;
}
AO_fetch_and_add1(&uncollectable_count);
x = (char*)GC_malloc_uncollectable(0);
CHECK_OUT_OF_MEMORY(x);
if (GC_size(x) != MIN_WORDS * sizeof(GC_word)) {
GC_printf("GC_malloc_uncollectable(0) failed\n");
FAIL;
}
AO_fetch_and_add1(&collectable_count);
x = (char*)GC_malloc(16);
CHECK_OUT_OF_MEMORY(x);
if (GC_base(GC_PTR_ADD(x, 13)) != x) {
GC_printf("GC_base(heap ptr) produced incorrect result\n");
FAIL;
}
if (!GC_is_heap_ptr(x)) {
GC_printf("GC_is_heap_ptr(heap_ptr) produced incorrect result\n");
FAIL;
}
if (GC_is_heap_ptr(&x)) {
GC_printf("GC_is_heap_ptr(&local_var) produced incorrect result\n");
FAIL;
}
if (GC_is_heap_ptr((void *)&fail_count) || GC_is_heap_ptr(NULL)) {
GC_printf("GC_is_heap_ptr(&global_var) produced incorrect result\n");
FAIL;
}
(void)GC_PRE_INCR(x, 0);
(void)GC_POST_INCR(x);
(void)GC_POST_DECR(x);
if (GC_base(x) != x) {
GC_printf("Bad INCR/DECR result\n");
FAIL;
}
y = (char *)(GC_word)fail_proc1;
# ifndef PCR
if (GC_base(y) != 0) {
GC_printf("GC_base(fn_ptr) produced incorrect result\n");
FAIL;
}
# endif
if (GC_same_obj(x+5, x) != x + 5) {
GC_printf("GC_same_obj produced incorrect result\n");
FAIL;
}
if (GC_is_visible(y) != y || GC_is_visible(x) != x) {
GC_printf("GC_is_visible produced incorrect result\n");
FAIL;
}
z = (char**)GC_malloc(8);
CHECK_OUT_OF_MEMORY(z);
AO_fetch_and_add1(&collectable_count);
GC_PTR_STORE(z, x);
GC_end_stubborn_change(z);
if (*z != x) {
GC_printf("GC_PTR_STORE failed: %p != %p\n", (void *)(*z), (void *)x);
FAIL;
}
# if !defined(IA64) && !defined(POWERPC)
if (!TEST_FAIL_COUNT(1)) {
/* On POWERPCs function pointers point to a descriptor in the */
/* data segment, so there should have been no failures. */
/* The same applies to IA64. */
GC_printf("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) {
GC_printf("GC_is_valid_displacement produced incorrect result\n");
FAIL;
}
{
size_t i;
(void)GC_malloc(17);
AO_fetch_and_add1(&collectable_count);
for (i = sizeof(GC_word); i < 512; i *= 2) {
GC_word result = (GC_word) GC_memalign(i, 17);
if (result % i != 0 || result == 0 || *(int *)result != 0) FAIL;
}
}
# ifndef ALL_INTERIOR_POINTERS
# if defined(POWERPC)
if (!TEST_FAIL_COUNT(1))
# else
if (!TEST_FAIL_COUNT(GC_get_all_interior_pointers() ? 1 : 2))
# endif
{
GC_printf(
"GC_is_valid_displacement produced wrong failure indication\n");
FAIL;
}
# endif
# endif /* DBG_HDRS_ALL */
/* Test floating point alignment */
{
double *dp = GC_NEW(double);
CHECK_OUT_OF_MEMORY(dp);
AO_fetch_and_add1(&collectable_count);
*dp = 1.0;
dp = GC_NEW(double);
CHECK_OUT_OF_MEMORY(dp);
AO_fetch_and_add1(&collectable_count);
*dp = 1.0;
}
/* Test size 0 allocation a bit more */
{
size_t i;
for (i = 0; i < 10000; ++i) {
(void)checkOOM(GC_MALLOC(0));
AO_fetch_and_add1(&collectable_count);
GC_FREE(checkOOM(GC_MALLOC(0)));
(void)checkOOM(GC_MALLOC_ATOMIC(0));
AO_fetch_and_add1(&atomic_count);
GC_FREE(checkOOM(GC_MALLOC_ATOMIC(0)));
test_generic_malloc_or_special(GC_malloc_atomic(1));
AO_fetch_and_add1(&atomic_count);
GC_FREE(checkOOM(GC_MALLOC_ATOMIC_IGNORE_OFF_PAGE(1)));
GC_FREE(checkOOM(GC_MALLOC_IGNORE_OFF_PAGE(2)));
}
}
thr_hndl_sb.gc_thread_handle = GC_get_my_stackbottom(&thr_hndl_sb.sb);
# ifdef GC_GCJ_SUPPORT
GC_REGISTER_DISPLACEMENT(sizeof(struct fake_vtable *));
GC_init_gcj_malloc(0, (void *)(GC_word)fake_gcj_mark_proc);
# endif
/* Make sure that fn arguments are visible to the collector. */
uniq(
GC_malloc(12), GC_malloc(12), GC_malloc(12),
(GC_gcollect(),GC_malloc(12)),
GC_malloc(12), GC_malloc(12), GC_malloc(12),
(GC_gcollect(),GC_malloc(12)),
GC_malloc(12), GC_malloc(12), GC_malloc(12),
(GC_gcollect(),GC_malloc(12)),
GC_malloc(12), GC_malloc(12), GC_malloc(12),
(GC_gcollect(),GC_malloc(12)),
GC_malloc(12), GC_malloc(12), GC_malloc(12),
(GC_gcollect(),GC_malloc(12)),
(void *)0);
/* GC_malloc(0) must return NULL or something we can deallocate. */
GC_free(checkOOM(GC_malloc(0)));
GC_free(checkOOM(GC_malloc_atomic(0)));
GC_free(checkOOM(GC_malloc(0)));
GC_free(checkOOM(GC_malloc_atomic(0)));
# ifndef NO_TEST_HANDLE_FORK
GC_atfork_prepare();
pid = fork();
if (pid != 0) {
GC_atfork_parent();
if (pid == -1) {
GC_printf("Process fork failed\n");
FAIL;
}
if (print_stats)
GC_log_printf("Forked child process, pid= %ld\n", (long)pid);
if (waitpid(pid, &wstatus, 0) == -1) {
GC_printf("Wait for child process failed\n");
FAIL;
}
if (!WIFEXITED(wstatus) || WEXITSTATUS(wstatus) != 0) {
GC_printf("Child process failed, pid= %ld, status= 0x%x\n",
(long)pid, wstatus);
FAIL;
}
} else {
pid_t child_pid = getpid();
GC_atfork_child();
if (print_stats)
GC_log_printf("Started a child process, pid= %ld\n",
(long)child_pid);
# ifdef PARALLEL_MARK
GC_gcollect(); /* no parallel markers */
# endif
GC_start_mark_threads();
GC_gcollect();
# ifdef THREADS
/* Skip "Premature finalization" check in the */
/* child process because there could be a chance */
/* that some other thread of the parent was */
/* executing mktree at the moment of fork. */
dropped_something = 1;
# endif
tree_test();
# if !defined(DBG_HDRS_ALL) && !defined(NO_TYPED_TEST)
typed_test();
# endif
# ifdef THREADS
if (print_stats)
GC_log_printf("Starting tiny reverse test, pid= %ld\n",
(long)child_pid);
tiny_reverse_test(0);
GC_gcollect();
# endif
if (print_stats)
GC_log_printf("Finished a child process, pid= %ld\n",
(long)child_pid);
exit(0);
}
# endif
(void)GC_call_with_alloc_lock(set_stackbottom, &thr_hndl_sb);
/* Repeated list reversal test. */
# ifndef NO_CLOCK
GET_TIME(start_time);
# endif
reverse_test();
# ifndef NO_CLOCK
if (print_stats) {
GET_TIME(reverse_time);
time_diff = MS_TIME_DIFF(reverse_time, start_time);
GC_log_printf("Finished reverse_test at time %u (%p)\n",
(unsigned) time_diff, (void *)&start_time);
}
# endif
# if !defined(DBG_HDRS_ALL) && !defined(NO_TYPED_TEST)
typed_test();
# ifndef NO_CLOCK
if (print_stats) {
CLOCK_TYPE typed_time;
GET_TIME(typed_time);
time_diff = MS_TIME_DIFF(typed_time, start_time);
GC_log_printf("Finished typed_test at time %u (%p)\n",
(unsigned) time_diff, (void *)&start_time);
}
# endif
# endif /* DBG_HDRS_ALL */
tree_test();
# ifdef TEST_WITH_SYSTEM_MALLOC
free(checkOOM(calloc(1,1)));
free(checkOOM(realloc(NULL, 64)));
# endif
# ifndef NO_CLOCK
if (print_stats) {
CLOCK_TYPE tree_time;
GET_TIME(tree_time);
time_diff = MS_TIME_DIFF(tree_time, start_time);
GC_log_printf("Finished tree_test at time %u (%p)\n",
(unsigned) time_diff, (void *)&start_time);
}
# endif
/* Run reverse_test a second time, so we hopefully notice corruption. */
reverse_test();
# ifndef NO_CLOCK
if (print_stats) {
GET_TIME(reverse_time);
time_diff = MS_TIME_DIFF(reverse_time, start_time);
GC_log_printf("Finished second reverse_test at time %u (%p)\n",
(unsigned)time_diff, (void *)&start_time);
}
# endif
/* GC_allocate_ml and GC_need_to_lock are no longer exported, and */
/* AO_fetch_and_add1() may be unavailable to update a counter. */
(void)GC_call_with_alloc_lock(inc_int_counter, &n_tests);
# ifndef NO_CLOCK
if (print_stats)
GC_log_printf("Finished %p\n", (void *)&start_time);
# endif
}
/* Execute some tests after termination of other test threads (if any). */
void run_single_threaded_test(void) {
GC_disable();
GC_FREE(checkOOM(GC_MALLOC(100)));
GC_enable();
}
void GC_CALLBACK reachable_objs_counter(void *obj, size_t size,
void *pcounter)
{
if (0 == size) {
GC_printf("Reachable object has zero size\n");
FAIL;
}
if (GC_base(obj) != obj) {
GC_printf("Invalid reachable object base passed by enumerator: %p\n",
obj);
FAIL;
}
if (GC_size(obj) != size) {
GC_printf("Invalid reachable object size passed by enumerator: %lu\n",
(unsigned long)size);
FAIL;
}
(*(unsigned *)pcounter)++;
}
#define NUMBER_ROUND_UP(v, bound) ((((v) + (bound) - 1) / (bound)) * (bound))
void check_heap_stats(void)
{
size_t max_heap_sz;
int i;
# ifndef GC_NO_FINALIZATION
# ifdef FINALIZE_ON_DEMAND
int late_finalize_count = 0;
# endif
# endif
unsigned obj_count = 0;
if (!GC_is_init_called()) {
GC_printf("GC should be initialized!\n");
FAIL;
}
/* The upper bounds are a guess, which has been empirically */
/* adjusted. On low-end uniprocessors with incremental GC */
/* these may be particularly dubious, since empirically the */
/* heap tends to grow largely as a result of the GC not */
/* getting enough cycles. */
# if CPP_WORDSZ == 64
max_heap_sz = 26000000;
# else
max_heap_sz = 16000000;
# endif
# ifdef VERY_SMALL_CONFIG
max_heap_sz /= 4;
# endif
# ifdef GC_DEBUG
max_heap_sz *= 2;
# ifdef SAVE_CALL_CHAIN
max_heap_sz *= 3;
# ifdef SAVE_CALL_COUNT
max_heap_sz += max_heap_sz * NFRAMES / 4;
# endif
# endif
# endif
# if defined(ADDRESS_SANITIZER) && !defined(__clang__)
max_heap_sz = max_heap_sz * 2 - max_heap_sz / 3;
# endif
# ifdef MEMORY_SANITIZER
max_heap_sz += max_heap_sz / 4;
# endif
max_heap_sz *= n_tests;
# if defined(USE_MMAP) || defined(MSWIN32)
max_heap_sz = NUMBER_ROUND_UP(max_heap_sz, 4 * 1024 * 1024);
# endif
/* Garbage collect repeatedly so that all inaccessible objects */
/* can be finalized. */
if (!GC_is_disabled())
while (GC_collect_a_little()) { }
for (i = 0; i < 16; i++) {
GC_gcollect();
# ifndef GC_NO_FINALIZATION
# ifdef FINALIZE_ON_DEMAND
late_finalize_count +=
# endif
GC_invoke_finalizers();
# endif
}
if (print_stats) {
struct GC_stack_base sb;
int res = GC_get_stack_base(&sb);
if (res == GC_SUCCESS) {
GC_log_printf("Primordial thread stack bottom: %p\n", sb.mem_base);
} else if (res == GC_UNIMPLEMENTED) {
GC_log_printf("GC_get_stack_base() unimplemented\n");
} else {
GC_printf("GC_get_stack_base() failed: %d\n", res);
FAIL;
}
}
GC_alloc_lock();
GC_enumerate_reachable_objects_inner(reachable_objs_counter, &obj_count);
GC_alloc_unlock();
GC_printf("Completed %u tests\n", n_tests);
GC_printf("Allocated %d collectable objects\n", (int)collectable_count);
GC_printf("Allocated %d uncollectable objects\n",
(int)uncollectable_count);
GC_printf("Allocated %d atomic objects\n", (int)atomic_count);
GC_printf("Reallocated %d objects\n", (int)realloc_count);
# ifndef NO_TEST_HANDLE_FORK
GC_printf("Garbage collection after fork is tested too\n");
# endif
# ifndef GC_NO_FINALIZATION
if (!GC_get_find_leak()) {
int still_live = 0;
# ifndef GC_LONG_REFS_NOT_NEEDED
int still_long_live = 0;
# endif
# ifdef FINALIZE_ON_DEMAND
if (finalized_count != late_finalize_count) {
GC_printf("Finalized %d/%d objects - demand finalization error\n",
finalized_count, finalizable_count);
FAIL;
}
# endif
if (finalized_count > finalizable_count
|| finalized_count < finalizable_count/2) {
GC_printf("Finalized %d/%d objects - "
"finalization is probably broken\n",
finalized_count, finalizable_count);
FAIL;
} else {
GC_printf("Finalized %d/%d objects - finalization is probably OK\n",
finalized_count, finalizable_count);
}
for (i = 0; i < MAX_FINALIZED; i++) {
if (live_indicators[i] != 0) {
still_live++;
}
# ifndef GC_LONG_REFS_NOT_NEEDED
if (live_long_refs[i] != NULL) {
still_long_live++;
}
# endif
}
i = finalizable_count - finalized_count - still_live;
if (0 != i) {
GC_printf("%d disappearing links remain and %d more objects "
"were not finalized\n", still_live, i);
if (i > 10) {
GC_printf("\tVery suspicious!\n");
} else {
GC_printf("\tSlightly suspicious, but probably OK\n");
}
}
# ifndef GC_LONG_REFS_NOT_NEEDED
if (0 != still_long_live) {
GC_printf("%d 'long' links remain\n", still_long_live);
}
# endif
}
# endif
GC_printf("Total number of bytes allocated is %lu\n",
(unsigned long)GC_get_total_bytes());
GC_printf("Total memory use by allocated blocks is %lu bytes\n",
(unsigned long)GC_get_memory_use());
GC_printf("Final heap size is %lu bytes\n",
(unsigned long)GC_get_heap_size());
if (GC_get_total_bytes() < (size_t)n_tests *
# ifdef VERY_SMALL_CONFIG
2700000
# else
33500000
# endif
) {
GC_printf("Incorrect execution - missed some allocations\n");
FAIL;
}
if (GC_get_heap_size() + GC_get_unmapped_bytes() > max_heap_sz
&& !GC_get_find_leak()) {
GC_printf("Unexpected heap growth - collector may be broken"
" (heapsize: %lu, expected: %lu)\n",
(unsigned long)(GC_get_heap_size() + GC_get_unmapped_bytes()),
(unsigned long)max_heap_sz);
FAIL;
}
# ifdef USE_MUNMAP
GC_printf("Obtained %lu bytes from OS (of which %lu bytes unmapped)\n",
(unsigned long)GC_get_obtained_from_os_bytes(),
(unsigned long)GC_get_unmapped_bytes());
# else
GC_printf("Obtained %lu bytes from OS\n",
(unsigned long)GC_get_obtained_from_os_bytes());
# endif
GC_printf("Final number of reachable objects is %u\n", obj_count);
# ifndef GC_GET_HEAP_USAGE_NOT_NEEDED
/* Get global counters (just to check the functions work). */
GC_get_heap_usage_safe(NULL, NULL, NULL, NULL, NULL);
{
struct GC_prof_stats_s stats;
(void)GC_get_prof_stats(&stats, sizeof(stats));
# ifdef THREADS
(void)GC_get_prof_stats_unsafe(&stats, sizeof(stats));
# endif
}
(void)GC_get_size_map_at(-1);
(void)GC_get_size_map_at(1);
# endif
if (GC_size(NULL) != 0) {
GC_printf("GC_size(NULL) failed\n");
FAIL;
}
# ifdef NO_CLOCK
GC_printf("Completed %u collections\n", (unsigned)GC_get_gc_no());
# elif !defined(PARALLEL_MARK)
GC_printf("Completed %u collections in %lu ms\n",
(unsigned)GC_get_gc_no(), GC_get_full_gc_total_time());
# else
GC_printf("Completed %u collections in %lu ms"
" (using %d marker threads)\n",
(unsigned)GC_get_gc_no(), GC_get_full_gc_total_time(),
GC_get_parallel() + 1);
# endif
GC_printf("Collector appears to work\n");
}
#if defined(MACOS)
void SetMinimumStack(long minSize)
{
if (minSize > LMGetDefltStack())
{
long newApplLimit = (long) GetApplLimit()
- (minSize - LMGetDefltStack());
SetApplLimit((Ptr) newApplLimit);
MaxApplZone();
}
}
#define cMinStackSpace (512L * 1024L)
#endif
void GC_CALLBACK warn_proc(char *msg, GC_word p)
{
GC_printf(msg, (unsigned long)p);
/*FAIL;*/
}
void enable_incremental_mode(void)
{
# if (defined(TEST_DEFAULT_VDB) || defined(TEST_MANUAL_VDB) \
|| !defined(DEFAULT_VDB)) && !defined(GC_DISABLE_INCREMENTAL)
# if !defined(MAKE_BACK_GRAPH) && !defined(NO_INCREMENTAL) \
&& !defined(REDIRECT_MALLOC) && !defined(USE_PROC_FOR_LIBRARIES)
GC_enable_incremental();
# endif
if (GC_is_incremental_mode()) {
# ifndef SMALL_CONFIG
if (GC_get_manual_vdb_allowed()) {
GC_printf("Switched to incremental mode (manual VDB)\n");
} else
# endif
/* else */ {
GC_printf("Switched to incremental mode\n");
if (GC_incremental_protection_needs() == GC_PROTECTS_NONE) {
# if defined(PROC_VDB) || defined(SOFT_VDB)
GC_printf("Reading dirty bits from /proc\n");
# elif defined(GWW_VDB)
GC_printf("Using GetWriteWatch-based implementation\n");
# endif
} else {
GC_printf("Emulating dirty bits with mprotect/signals\n");
}
}
}
# endif
}
#if defined(CPPCHECK)
# include "javaxfc.h" /* for GC_finalize_all */
# define UNTESTED(sym) GC_noop1((word)&sym)
#endif
#if defined(MSWINCE) && defined(UNDER_CE)
# define WINMAIN_LPTSTR LPWSTR
#else
# define WINMAIN_LPTSTR LPSTR
#endif
#if !defined(PCR) && !defined(GC_WIN32_THREADS) && !defined(GC_PTHREADS)
#if defined(CPPCHECK) && defined(_MSC_VER) && !defined(_M_ARM) \
&& !defined(_M_ARM64) && !defined(_M_X64)
# include "private/msvc_dbg.h"
#endif
#if defined(_DEBUG) && (_MSC_VER >= 1900) /* VS 2015+ */
# ifndef _CRTDBG_MAP_ALLOC
# define _CRTDBG_MAP_ALLOC
# endif
# include <crtdbg.h>
/* Ensure that there is no system-malloc-allocated objects at normal */
/* exit (i.e. no such memory leaked). */
# define CRTMEM_CHECK_INIT() \
(void)_CrtSetDbgFlag(_CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF)
# define CRTMEM_DUMP_LEAKS() \
do { \
if (_CrtDumpMemoryLeaks()) { \
GC_printf("System-malloc-allocated memory leaked\n"); \
FAIL; \
} \
} while (0)
#else
# define CRTMEM_CHECK_INIT() (void)0
# define CRTMEM_DUMP_LEAKS() (void)0
#endif /* !_MSC_VER */
#if ((defined(MSWIN32) && !defined(__MINGW32__)) || defined(MSWINCE)) \
&& !defined(NO_WINMAIN_ENTRY)
int APIENTRY WinMain(HINSTANCE instance GC_ATTR_UNUSED,
HINSTANCE prev GC_ATTR_UNUSED,
WINMAIN_LPTSTR cmd GC_ATTR_UNUSED,
int n GC_ATTR_UNUSED)
#elif defined(RTEMS)
# include <bsp.h>
# define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
# define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
# define CONFIGURE_RTEMS_INIT_TASKS_TABLE
# define CONFIGURE_MAXIMUM_TASKS 1
# define CONFIGURE_INIT
# define CONFIGURE_INIT_TASK_STACK_SIZE (64*1024)
# include <rtems/confdefs.h>
rtems_task Init(rtems_task_argument ignord)
#else
int main(void)
#endif
{
CRTMEM_CHECK_INIT();
# if defined(CPPCHECK) && !defined(NO_WINMAIN_ENTRY) \
&& ((defined(MSWIN32) && !defined(__MINGW32__)) || defined(MSWINCE))
GC_noop1((GC_word)&WinMain);
# elif defined(CPPCHECK) && defined(RTEMS)
GC_noop1((GC_word)&Init);
# endif
n_tests = 0;
GC_clear_exclusion_table(); /* no-op as called before GC init */
# 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_COND_INIT();
GC_set_warn_proc(warn_proc);
enable_incremental_mode();
set_print_procs();
GC_start_incremental_collection();
run_one_test();
# if NTHREADS > 0
{
int i;
for (i = 0; i < NTHREADS; i++)
run_one_test();
}
# endif
run_single_threaded_test();
check_heap_stats();
# ifndef MSWINCE
fflush(stdout);
# endif
# if defined(CPPCHECK)
/* Entry points we should be testing, but aren't. */
# ifndef GC_DEBUG
UNTESTED(GC_debug_generic_or_special_malloc);
UNTESTED(GC_debug_register_displacement);
UNTESTED(GC_post_incr);
UNTESTED(GC_pre_incr);
# ifdef GC_GCJ_SUPPORT
UNTESTED(GC_debug_gcj_malloc);
# endif
# endif
# ifdef AMIGA
# ifdef GC_AMIGA_FASTALLOC
UNTESTED(GC_amiga_get_mem);
# endif
# ifndef GC_AMIGA_ONLYFAST
UNTESTED(GC_amiga_set_toany);
# endif
# endif
# if defined(MACOS) && defined(USE_TEMPORARY_MEMORY)
UNTESTED(GC_MacTemporaryNewPtr);
# endif
# if !defined(_M_ARM) && !defined(_M_ARM64) \
&& !defined(_M_X64) && defined(_MSC_VER)
UNTESTED(GetFileLineFromStack);
UNTESTED(GetModuleNameFromStack);
UNTESTED(GetSymbolNameFromStack);
# endif
UNTESTED(GC_abort_on_oom);
UNTESTED(GC_malloc_explicitly_typed_ignore_off_page);
UNTESTED(GC_debug_strndup);
UNTESTED(GC_deinit);
UNTESTED(GC_strndup);
UNTESTED(GC_posix_memalign);
UNTESTED(GC_new_proc);
UNTESTED(GC_clear_roots);
UNTESTED(GC_exclude_static_roots);
UNTESTED(GC_expand_hp);
UNTESTED(GC_register_describe_type_fn);
UNTESTED(GC_register_has_static_roots_callback);
# ifdef GC_GCJ_SUPPORT
UNTESTED(GC_gcj_malloc_ignore_off_page);
# endif
# ifndef NO_DEBUGGING
UNTESTED(GC_dump);
UNTESTED(GC_dump_regions);
UNTESTED(GC_is_tmp_root);
UNTESTED(GC_print_free_list);
# endif
# ifdef TRACE_BUF
UNTESTED(GC_print_trace);
# endif
# ifndef GC_NO_FINALIZATION
UNTESTED(GC_debug_register_finalizer_unreachable);
UNTESTED(GC_register_disappearing_link);
UNTESTED(GC_should_invoke_finalizers);
# ifndef JAVA_FINALIZATION_NOT_NEEDED
UNTESTED(GC_finalize_all);
# endif
# ifndef NO_DEBUGGING
UNTESTED(GC_dump_finalization);
# endif
# ifndef GC_TOGGLE_REFS_NOT_NEEDED
UNTESTED(GC_toggleref_add);
# endif
# endif
# if !defined(OS2) && !defined(MACOS) && !defined(GC_ANDROID_LOG) \
&& !defined(MSWIN32) && !defined(MSWINCE)
UNTESTED(GC_set_log_fd);
# endif
# ifndef REDIRECT_MALLOC_IN_HEADER
# ifdef REDIRECT_MALLOC
# ifndef strndup
UNTESTED(strndup);
# endif
# ifndef strdup
UNTESTED(strdup);
# endif
# endif
# ifdef REDIRECT_REALLOC
UNTESTED(realloc);
# endif
# endif /* !REDIRECT_MALLOC_IN_HEADER */
# ifdef GC_REQUIRE_WCSDUP
UNTESTED(GC_wcsdup);
UNTESTED(GC_debug_wcsdup);
# endif
# endif
# if defined(MSWIN32) || defined(MSWINCE) || defined(CYGWIN32)
GC_win32_free_heap();
# endif
CRTMEM_DUMP_LEAKS();
# ifdef RTEMS
exit(0);
# else
return(0);
# endif
}
# endif /* !GC_WIN32_THREADS && !GC_PTHREADS */
#if defined(GC_WIN32_THREADS) && !defined(GC_PTHREADS)
DWORD __stdcall thr_run_one_test(void * arg GC_ATTR_UNUSED)
{
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_printf("Received WM_HIBERNATE, calling GC_gcollect\n");
/* Force "unmap as much memory as possible" mode. */
GC_gcollect_and_unmap();
break;
case WM_CLOSE:
GC_printf("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;
}
DWORD __stdcall thr_window(void * arg GC_ATTR_UNUSED)
{
WNDCLASS win_class = {
CS_NOCLOSE,
window_proc,
0,
0,
GetModuleHandle(NULL),
NULL,
NULL,
(HBRUSH)(COLOR_APPWORKSPACE+1),
NULL,
TEXT("GCtestWindow")
};
MSG msg;
if (!RegisterClass(&win_class))
FAIL;
win_handle = CreateWindowEx(
0,
TEXT("GCtestWindow"),
TEXT("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
#if !defined(NO_WINMAIN_ENTRY)
int APIENTRY WinMain(HINSTANCE instance GC_ATTR_UNUSED,
HINSTANCE prev GC_ATTR_UNUSED,
WINMAIN_LPTSTR cmd GC_ATTR_UNUSED,
int n GC_ATTR_UNUSED)
#else
int main(void)
#endif
{
# if NTHREADS > 0
HANDLE h[NTHREADS];
int i;
# endif
# ifdef MSWINCE
HANDLE win_thr_h;
# endif
DWORD thread_id;
# if defined(CPPCHECK) && !defined(NO_WINMAIN_ENTRY)
GC_noop1((GC_word)&WinMain);
# endif
# if defined(GC_DLL) && !defined(GC_NO_THREADS_DISCOVERY) \
&& !defined(MSWINCE) && !defined(THREAD_LOCAL_ALLOC)
GC_use_threads_discovery();
/* Test with implicit thread registration if possible. */
GC_printf("Using DllMain to track threads\n");
# endif
GC_COND_INIT();
enable_incremental_mode();
InitializeCriticalSection(&incr_cs);
GC_set_warn_proc(warn_proc);
# ifdef MSWINCE
win_created_h = CreateEvent(NULL, FALSE, FALSE, NULL);
if (win_created_h == (HANDLE)NULL) {
GC_printf("Event creation failed, errcode= %d\n", (int)GetLastError());
FAIL;
}
win_thr_h = CreateThread(NULL, 0, thr_window, 0, 0, &thread_id);
if (win_thr_h == (HANDLE)NULL) {
GC_printf("Thread creation failed, errcode= %d\n", (int)GetLastError());
FAIL;
}
if (WaitForSingleObject(win_created_h, INFINITE) != WAIT_OBJECT_0)
FAIL;
CloseHandle(win_created_h);
# endif
set_print_procs();
# if NTHREADS > 0
for (i = 0; i < NTHREADS; i++) {
h[i] = CreateThread(NULL, 0, thr_run_one_test, 0, 0, &thread_id);
if (h[i] == (HANDLE)NULL) {
GC_printf("Thread creation failed, errcode= %d\n", (int)GetLastError());
FAIL;
}
}
# endif /* NTHREADS > 0 */
run_one_test();
# if NTHREADS > 0
for (i = 0; i < NTHREADS; i++) {
if (WaitForSingleObject(h[i], INFINITE) != WAIT_OBJECT_0) {
GC_printf("Thread wait failed, errcode= %d\n", (int)GetLastError());
FAIL;
}
}
# endif /* NTHREADS > 0 */
# ifdef MSWINCE
PostMessage(win_handle, WM_CLOSE, 0, 0);
if (WaitForSingleObject(win_thr_h, INFINITE) != WAIT_OBJECT_0)
FAIL;
# endif
run_single_threaded_test();
check_heap_stats();
# if defined(CPPCHECK) && defined(GC_WIN32_THREADS)
UNTESTED(GC_ExitThread);
# if !defined(MSWINCE) && !defined(CYGWIN32)
UNTESTED(GC_beginthreadex);
UNTESTED(GC_endthreadex);
# endif
# endif
(void)GC_unregister_my_thread(); /* just to check it works (for main) */
return(0);
}
#endif /* GC_WIN32_THREADS */
#ifdef PCR
int test(void)
{
PCR_Th_T * th1;
PCR_Th_T * th2;
int code;
# if defined(CPPCHECK)
GC_noop1((word)&PCR_GC_Run);
GC_noop1((word)&PCR_GC_Setup);
GC_noop1((word)&test);
# endif
n_tests = 0;
/* GC_enable_incremental(); */
GC_set_warn_proc(warn_proc);
set_print_procs();
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) {
GC_printf("Thread 1 failed\n");
}
if (PCR_Th_T_Join(th2, &code, NIL, PCR_allSigsBlocked, PCR_waitForever)
!= PCR_ERes_okay || code != 0) {
GC_printf("Thread 2 failed\n");
}
run_single_threaded_test();
check_heap_stats();
return(0);
}
#endif
#if defined(GC_PTHREADS)
# include <errno.h> /* for EAGAIN */
void * thr_run_one_test(void * arg GC_ATTR_UNUSED)
{
run_one_test();
return(0);
}
#ifdef GC_DEBUG
# define GC_free GC_debug_free
#endif
int main(void)
{
# if NTHREADS > 0
pthread_t th[NTHREADS];
int i, nthreads;
# endif
pthread_attr_t attr;
int code;
# ifdef GC_IRIX_THREADS
/* Force a larger stack to be preallocated */
/* Since the initial can't always grow later. */
*((volatile char *)&code - 1024*1024) = 0; /* Require 1 MB */
# endif /* GC_IRIX_THREADS */
# if defined(GC_HPUX_THREADS)
/* Default stack size is too small, especially with the 64 bit ABI */
/* Increase it. */
if (pthread_default_stacksize_np(1024*1024, 0) != 0) {
GC_printf("pthread_default_stacksize_np failed\n");
}
# endif /* GC_HPUX_THREADS */
# ifdef PTW32_STATIC_LIB
pthread_win32_process_attach_np ();
pthread_win32_thread_attach_np ();
# endif
# if defined(GC_DARWIN_THREADS) && !defined(GC_NO_THREADS_DISCOVERY) \
&& !defined(DARWIN_DONT_PARSE_STACK) && !defined(THREAD_LOCAL_ALLOC)
/* Test with the Darwin implicit thread registration. */
GC_use_threads_discovery();
GC_printf("Using Darwin task-threads-based world stop and push\n");
# endif
GC_set_markers_count(0);
GC_COND_INIT();
if ((code = pthread_attr_init(&attr)) != 0) {
GC_printf("pthread_attr_init failed, errno= %d\n", code);
FAIL;
}
# if defined(GC_IRIX_THREADS) || defined(GC_FREEBSD_THREADS) \
|| defined(GC_DARWIN_THREADS) || defined(GC_AIX_THREADS) \
|| defined(GC_OPENBSD_THREADS)
if ((code = pthread_attr_setstacksize(&attr, 1000 * 1024)) != 0) {
GC_printf("pthread_attr_setstacksize failed, errno= %d\n", code);
FAIL;
}
# endif
n_tests = 0;
enable_incremental_mode();
GC_set_min_bytes_allocd(1);
if (GC_get_min_bytes_allocd() != 1)
FAIL;
GC_set_rate(10);
GC_set_max_prior_attempts(1);
if (GC_get_rate() != 10 || GC_get_max_prior_attempts() != 1)
FAIL;
GC_set_warn_proc(warn_proc);
# ifndef VERY_SMALL_CONFIG
if ((code = pthread_key_create(&fl_key, 0)) != 0) {
GC_printf("Key creation failed, errno= %d\n", code);
FAIL;
}
# endif
set_print_procs();
# if NTHREADS > 0
for (i = 0; i < NTHREADS; ++i) {
if ((code = pthread_create(th+i, &attr, thr_run_one_test, 0)) != 0) {
GC_printf("Thread %d creation failed, errno= %d\n", i, code);
if (i > 0 && EAGAIN == code)
break; /* Resource temporarily unavailable */
FAIL;
}
}
nthreads = i;
for (; i <= NTHREADS; i++)
run_one_test();
for (i = 0; i < nthreads; ++i) {
if ((code = pthread_join(th[i], 0)) != 0) {
GC_printf("Thread %d join failed, errno= %d\n", i, code);
FAIL;
}
}
# else
run_one_test();
# endif
run_single_threaded_test();
check_heap_stats();
(void)fflush(stdout);
(void)pthread_attr_destroy(&attr);
/* Dummy checking of various getters and setters. */
(void)GC_get_bytes_since_gc();
(void)GC_get_free_bytes();
(void)GC_get_pages_executable();
(void)GC_get_warn_proc();
(void)GC_is_disabled();
GC_set_allocd_bytes_per_finalizer(GC_get_allocd_bytes_per_finalizer());
GC_set_disable_automatic_collection(GC_get_disable_automatic_collection());
GC_set_dont_expand(GC_get_dont_expand());
GC_set_dont_precollect(GC_get_dont_precollect());
GC_set_finalize_on_demand(GC_get_finalize_on_demand());
GC_set_finalizer_notifier(GC_get_finalizer_notifier());
GC_set_force_unmap_on_gcollect(GC_get_force_unmap_on_gcollect());
GC_set_free_space_divisor(GC_get_free_space_divisor());
GC_set_full_freq(GC_get_full_freq());
GC_set_java_finalization(GC_get_java_finalization());
GC_set_max_retries(GC_get_max_retries());
GC_set_no_dls(GC_get_no_dls());
GC_set_non_gc_bytes(GC_get_non_gc_bytes());
GC_set_on_collection_event(GC_get_on_collection_event());
GC_set_on_heap_resize(GC_get_on_heap_resize());
GC_set_on_thread_event(GC_get_on_thread_event());
GC_set_oom_fn(GC_get_oom_fn());
GC_set_push_other_roots(GC_get_push_other_roots());
GC_set_sp_corrector(GC_get_sp_corrector());
GC_set_start_callback(GC_get_start_callback());
GC_set_stop_func(GC_get_stop_func());
GC_set_suspend_signal(GC_get_suspend_signal());
GC_set_thr_restart_signal(GC_get_thr_restart_signal());
GC_set_time_limit(GC_get_time_limit());
# if !defined(PCR) && !defined(SMALL_CONFIG)
GC_set_abort_func(GC_get_abort_func());
# endif
# ifndef NO_CLOCK
GC_set_time_limit_tv(GC_get_time_limit_tv());
# endif
# ifndef GC_NO_FINALIZATION
GC_set_await_finalize_proc(GC_get_await_finalize_proc());
# ifndef GC_TOGGLE_REFS_NOT_NEEDED
GC_set_toggleref_func(GC_get_toggleref_func());
# endif
# endif
# if defined(CPPCHECK)
UNTESTED(GC_allow_register_threads);
UNTESTED(GC_register_altstack);
UNTESTED(GC_stop_world_external);
UNTESTED(GC_start_world_external);
# ifndef GC_NO_DLOPEN
UNTESTED(GC_dlopen);
# endif
# ifndef GC_NO_PTHREAD_CANCEL
UNTESTED(GC_pthread_cancel);
# endif
# ifdef GC_HAVE_PTHREAD_EXIT
UNTESTED(GC_pthread_exit);
# endif
# ifndef GC_NO_PTHREAD_SIGMASK
UNTESTED(GC_pthread_sigmask);
# endif
# ifdef NO_TEST_HANDLE_FORK
UNTESTED(GC_atfork_child);
UNTESTED(GC_atfork_parent);
UNTESTED(GC_atfork_prepare);
UNTESTED(GC_set_handle_fork);
UNTESTED(GC_start_mark_threads);
# endif
# endif /* CPPCHECK */
# ifdef PTW32_STATIC_LIB
pthread_win32_thread_detach_np ();
pthread_win32_process_detach_np ();
# else
(void)GC_unregister_my_thread();
# endif
return(0);
}
#endif /* GC_PTHREADS */
