/* * 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. */ # ifdef HAVE_CONFIG_H # include "private/config.h" # endif # undef GC_BUILD #if (defined(DBG_HDRS_ALL) || defined(MAKE_BACK_GRAPH)) && !defined(GC_DEBUG) # define GC_DEBUG #endif #include "gc.h" #ifndef NTHREADS /* Number of additional threads to fork. */ # define NTHREADS 5 /* excludes main thread, which also runs a test. */ /* Not respected by PCR test. */ #endif # if defined(mips) && defined(SYSTYPE_BSD43) /* MIPS RISCOS 4 */ # else # include # endif # include # if defined(_WIN32_WCE) && !defined(__GNUC__) # include /* # define assert ASSERT */ # else # include /* Not normally used, but handy for debugging. */ # endif # include "gc_typed.h" # include "private/gc_priv.h" /* For output, locking, MIN_WORDS, */ /* some statistics and gcconfig.h. */ # if defined(MSWIN32) || defined(MSWINCE) # include # endif #ifdef GC_PRINT_VERBOSE_STATS # 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) # include # endif # if (!defined(THREADS) || !defined(HANDLE_FORK) \ || (defined(DARWIN) && defined(MPROTECT_VDB) \ && !defined(NO_INCREMENTAL) && !defined(MAKE_BACK_GRAPH))) \ && !defined(NO_TEST_HANDLE_FORK) # define NO_TEST_HANDLE_FORK # endif # ifndef NO_TEST_HANDLE_FORK # include # define INIT_FORK_SUPPORT GC_set_handle_fork(1) # else # define INIT_FORK_SUPPORT /* empty */ # endif # if defined(GC_WIN32_THREADS) && !defined(GC_PTHREADS) static CRITICAL_SECTION incr_cs; # endif # include #ifndef GC_ALPHA_VERSION # define GC_ALPHA_VERSION GC_TMP_ALPHA_VERSION #endif #define CHECH_GCLIB_VERSION \ if (GC_get_version() != ((GC_VERSION_MAJOR<<16) \ | (GC_VERSION_MINOR<<8) \ | GC_ALPHA_VERSION)) { \ 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(CYGWIN32) || defined (AIX) || defined(DARWIN) \ || defined(THREAD_LOCAL_ALLOC) \ || (defined(MSWINCE) && !defined(GC_WINMAIN_REDIRECT)) # define GC_OPT_INIT GC_INIT() #else # define GC_OPT_INIT /* empty */ #endif #define GC_COND_INIT() \ INIT_FORK_SUPPORT; GC_OPT_INIT; CHECH_GCLIB_VERSION; INIT_PRINT_STATS #define CHECK_OUT_OF_MEMORY(p) \ if ((p) == NULL) { \ GC_printf("Out of memory\n"); \ exit(1); \ } /* Allocation Statistics. Incremented without synchronization. */ /* FIXME: We should be using synchronization. */ 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) 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_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){ if(!GC_dont_gc){ 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) #else /* !AMIGA_FASTALLOC */ # if defined(PCR) || defined(LINT2) # define FAIL (void)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) 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 (sexpr x, sexpr y) { sexpr r; int *p; int my_extra = extra_count; stubborn_count++; r = (sexpr) GC_MALLOC_STUBBORN(sizeof(struct SEXPR) + my_extra); CHECK_OUT_OF_MEMORY(r); for (p = (int *)r; ((char *)p) < ((char *)r) + my_extra + sizeof(struct SEXPR); p++) { if (*p) { GC_printf("Found nonzero at %p - allocator is broken\n", 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; 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 #ifdef GC_GCJ_SUPPORT #include "gc_mark.h" #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; collectable_count++; r = (sexpr) GC_MALLOC(sizeof(struct SEXPR)); CHECK_OUT_OF_MEMORY(r); r -> sexpr_car = x; r -> sexpr_cdr = y; return(r); } sexpr small_cons_uncollectable (sexpr x, sexpr y) { sexpr r; uncollectable_count++; r = (sexpr) GC_MALLOC_UNCOLLECTABLE(sizeof(struct SEXPR)); CHECK_OUT_OF_MEMORY(r); r -> sexpr_car = x; r -> sexpr_cdr = (sexpr)(~(GC_word)y); return(r); } #ifdef GC_GCJ_SUPPORT sexpr gcj_cons(sexpr x, sexpr y) { GC_word * r; sexpr result; r = (GC_word *) GC_GCJ_MALLOC(sizeof(struct SEXPR) + sizeof(struct fake_vtable*), &gcj_class_struct2); CHECK_OUT_OF_MEMORY(r); result = (sexpr)(r + 1); result -> sexpr_car = x; result -> sexpr_cdr = y; return(result); } #endif /* 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 malloc(100000); # endif return( reverse1(x, nil) ); } sexpr ints(int low, int 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(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 uncollectable 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(INT_TO_SEXPR(low), nil), uncollectable_ints(low+1, up))); } } void check_ints(sexpr list, int low, int up) { 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((ptr_t)x)) GC_printf("[unm:%p]", x); else GC_printf("[mkd:%p]", x); if (is_nil(x)) { GC_printf("NIL\n"); } else { if (!GC_is_marked((ptr_t)car(x))) GC_printf("[unm car:%p]", 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) # else void * tiny_reverse_test(void * arg) # endif { int i; for (i = 0; i < 5; ++i) { check_ints(reverse(reverse(ints(1, TINY_REVERSE_UPPER_VALUE))), 1, TINY_REVERSE_UPPER_VALUE); } return 0; } # if defined(GC_PTHREADS) void fork_a_thread(void) { pthread_t t; int code; if ((code = pthread_create(&t, 0, tiny_reverse_test, 0)) != 0) { GC_printf("Small thread creation failed %d\n", code); FAIL; } 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 = GC_CreateThread(NULL, 0, tiny_reverse_test, 0, 0, &thread_id); if (h == (HANDLE)NULL) { GC_printf("Small thread creation failed %d\n", (int)GetLastError()); FAIL; } if (WaitForSingleObject(h, INFINITE) != WAIT_OBJECT_0) { GC_printf("Small thread wait failed %d\n", (int)GetLastError()); FAIL; } } # endif #endif /* Try to force a to be strangely aligned */ struct { char dummy; sexpr aa; } A; #define a 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); } # if /*defined(MSWIN32) ||*/ defined(MACOS) /* Win32S only allows 128K stacks */ # define BIG 1000 # elif defined(PCR) /* PCR default stack is 100K. Stack frames are up to 120 bytes. */ # define BIG 700 # elif defined(MSWINCE) || defined(RTEMS) /* WinCE only allows 64K stacks */ # define BIG 500 # elif defined(OSF1) /* 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 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((void *)f, 6 * sizeof(sexpr)); CHECK_OUT_OF_MEMORY(f); f[5] = ints(1,17); collectable_count++; g = (sexpr *)GC_MALLOC(513 * sizeof(sexpr)); realloc_count++; g = (sexpr *)GC_REALLOC((void *)g, 800 * sizeof(sexpr)); CHECK_OUT_OF_MEMORY(g); g[799] = ints(1,18); collectable_count++; h = (sexpr *)GC_MALLOC(1025 * sizeof(sexpr)); realloc_count++; h = (sexpr *)GC_REALLOC((void *)h, 2000 * sizeof(sexpr)); CHECK_OUT_OF_MEMORY(h); # ifdef GC_GCJ_SUPPORT h[1999] = gcj_ints(1,200); for (i = 0; i < 51; ++i) h[1999] = gcj_reverse(h[1999]); /* Leave it as the reveresed list for now. */ # 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 *)); GC_FREE((void *)e); 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 defined(GC_PTHREADS) || defined(GC_WIN32_THREADS) 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 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((void *)a, 500); } else { a = (sexpr)GC_REALLOC((void *)a, 8200); } # endif } check_ints(a,1,49); 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 h[1999] = gcj_reverse(h[1999]); # endif check_ints(h[1999], 1,200); # ifndef THREADS a = 0; # 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); } #undef a /* * 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; void GC_CALLBACK finalizer(void * obj, void * client_data) { tn * t = (tn *)obj; # ifdef PCR PCR_ThCrSec_EnterSys(); # endif # if defined(GC_PTHREADS) static pthread_mutex_t incr_lock = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_lock(&incr_lock); # elif defined(GC_WIN32_THREADS) EnterCriticalSection(&incr_cs); # endif 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 */ # ifdef PCR PCR_ThCrSec_ExitSys(); # endif # if defined(GC_PTHREADS) pthread_mutex_unlock(&incr_lock); # elif defined(GC_WIN32_THREADS) LeaveCriticalSection(&incr_cs); # endif } size_t counter = 0; # define MAX_FINALIZED (NTHREADS*4000) # 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(int n) { tn * result = (tn *)GC_MALLOC(sizeof(tn)); 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); CHECK_OUT_OF_MEMORY(result); result -> level = n; result -> lchild = mktree(n-1); result -> rchild = mktree(n-1); if (counter++ % 17 == 0 && n >= 2) { tn * tmp; CHECK_OUT_OF_MEMORY(result->lchild); tmp = result -> lchild -> rchild; CHECK_OUT_OF_MEMORY(result->rchild); result -> lchild -> rchild = result -> rchild -> lchild; result -> rchild -> lchild = tmp; } if (counter++ % 119 == 0) { int my_index; { # ifdef PCR PCR_ThCrSec_EnterSys(); # endif # if defined(GC_PTHREADS) static pthread_mutex_t incr_lock = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_lock(&incr_lock); # elif defined(GC_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 # if defined(GC_PTHREADS) pthread_mutex_unlock(&incr_lock); # elif defined(GC_WIN32_THREADS) LeaveCriticalSection(&incr_cs); # endif } 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])), (void *)result) != 0) { GC_printf("GC_general_register_disappearing_link failed\n"); FAIL; } if (GC_unregister_disappearing_link( (void * *) (&(live_indicators[my_index]))) == 0) { GC_printf("GC_unregister_disappearing_link failed\n"); FAIL; } if (GC_GENERAL_REGISTER_DISAPPEARING_LINK( (void * *)(&(live_indicators[my_index])), (void *)result) != 0) { GC_printf("GC_general_register_disappearing_link failed 2\n"); FAIL; } GC_reachable_here(result); } return(result); } void chktree(tn *t, int n) { if (n == 0 && t != 0) { GC_printf("Clobbered a leaf - collector is broken\n"); FAIL; } if (n == 0) return; if (t -> level != n) { GC_printf("Lost a node at level %d - collector is broken\n", 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(GC_PTHREADS) pthread_key_t fl_key; void * alloc8bytes(void) { # 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 *); CHECK_OUT_OF_MEMORY(my_free_list_ptr); 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 (my_free_list == 0) { my_free_list = GC_malloc_many(8); CHECK_OUT_OF_MEMORY(my_free_list); } *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 void alloc_small(int n) { int i; for (i = 0; i < n; i += 8) { atomic_count++; if (alloc8bytes() == 0) { GC_printf("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(void) { tn * root; int i; root = mktree(TREE_HEIGHT); # ifndef VERY_SMALL_CONFIG alloc_small(5000000); # endif chktree(root, TREE_HEIGHT); if (finalized_count && ! dropped_something) { GC_printf("Premature finalization - collector is broken\n"); FAIL; } dropped_something = 1; GC_noop1((word)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(void) { 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); 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); int i; # ifndef LINT (void)GC_make_descriptor(&bm_large, 32); # endif collectable_count++; old = 0; for (i = 0; i < 4000; i++) { collectable_count++; new = (GC_word *) GC_malloc_explicitly_typed(4 * sizeof(GC_word), d1); CHECK_OUT_OF_MEMORY(new); if (0 != new[0] || 0 != new[1]) { GC_printf("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); CHECK_OUT_OF_MEMORY(new); new[0] = 17; new[1] = (GC_word)old; old = new; collectable_count++; new = (GC_word *) GC_malloc_explicitly_typed(33 * sizeof(GC_word), d3); CHECK_OUT_OF_MEMORY(new); 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); CHECK_OUT_OF_MEMORY(new); 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 (new && (0 != new[0] || 0 != new[1])) { GC_printf("Bad initialization by GC_malloc_explicitly_typed\n"); FAIL; } } CHECK_OUT_OF_MEMORY(new); new[0] = 17; new[1] = (GC_word)old; old = new; } for (i = 0; i < 20000; i++) { if (new[0] != 17) { GC_printf("typed alloc failed at %lu\n", (unsigned long)i); FAIL; } new[0] = 0; old = new; new = (GC_word *)(old[1]); } GC_gcollect(); GC_noop1((word)x); } int fail_count = 0; /*ARGSUSED*/ void GC_CALLBACK fail_proc1(void * x) { fail_count++; } 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)) #endif void * GC_CALLBACK inc_int_counter(void *pcounter) { ++(*(int *)pcounter); return NULL; } void run_one_test(void) { # ifndef DBG_HDRS_ALL char *x; char **z; # ifdef LINT char *y = 0; # else char *y = (char *)(GC_word)fail_proc1; # endif CLOCK_TYPE typed_time; # endif CLOCK_TYPE start_time; CLOCK_TYPE reverse_time; CLOCK_TYPE tree_time; unsigned long time_diff; # ifdef FIND_LEAK GC_printf( "This test program is not designed for leak detection mode\n"); GC_printf("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) { GC_printf("GC_size produced unexpected results\n"); FAIL; } collectable_count += 1; if (GC_size(GC_malloc(0)) != MIN_WORDS * sizeof(GC_word)) { GC_printf("GC_malloc(0) failed: GC_size returns %ld\n", (unsigned long)GC_size(GC_malloc(0))); FAIL; } collectable_count += 1; if (GC_size(GC_malloc_uncollectable(0)) != MIN_WORDS * sizeof(GC_word)) { GC_printf("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(GC_PTR_ADD(x, 13)) != x) { GC_printf("GC_base(heap ptr) 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; } # 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 = GC_malloc(8); GC_PTR_STORE(z, x); if (*z != x) { GC_printf("GC_PTR_STORE failed: %p != %p\n", *z, x); FAIL; } if (!TEST_FAIL_COUNT(1)) { # if!(defined(POWERPC) || defined(IA64)) || defined(M68K) /* On POWERPCs function pointers point to a descriptor in the */ /* data segment, so there should have been no failures. */ /* The same applies to IA64. Something similar seems to */ /* be going on with NetBSD/M68K. */ 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; GC_malloc(17); 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(RS6000) || 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 */ collectable_count += 2; { double *dp = GC_MALLOC(sizeof(double)); CHECK_OUT_OF_MEMORY(dp); *dp = 1.0; dp = GC_MALLOC(sizeof(double)); CHECK_OUT_OF_MEMORY(dp); *dp = 1.0; } /* Test size 0 allocation a bit more */ { size_t i; for (i = 0; i < 10000; ++i) { GC_MALLOC(0); GC_FREE(GC_MALLOC(0)); GC_MALLOC_ATOMIC(0); GC_FREE(GC_MALLOC_ATOMIC(0)); } } # 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(GC_malloc(0)); GC_free(GC_malloc_atomic(0)); GC_free(GC_malloc(0)); GC_free(GC_malloc_atomic(0)); /* Repeated list reversal test. */ GET_TIME(start_time); reverse_test(); 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, &start_time); } # ifndef DBG_HDRS_ALL typed_test(); if (print_stats) { 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, &start_time); } # endif /* DBG_HDRS_ALL */ tree_test(); if (print_stats) { 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, &start_time); } /* Run reverse_test a second time, so we hopefully notice corruption. */ reverse_test(); 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, &start_time); } /* 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_TEST_HANDLE_FORK if (fork() == 0) { GC_gcollect(); tiny_reverse_test(0); GC_gcollect(); if (print_stats) GC_log_printf("Finished a child process\n"); exit(0); } # endif if (print_stats) GC_log_printf("Finished %p\n", &start_time); } #define NUMBER_ROUND_UP(v, bound) ((((v) + (bound) - 1) / (bound)) * (bound)) void check_heap_stats(void) { size_t max_heap_sz; int i; int still_live; # ifdef FINALIZE_ON_DEMAND int late_finalize_count = 0; # endif # ifdef VERY_SMALL_CONFIG /* 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 = 4500000; # else max_heap_sz = 2800000; # endif # else # if CPP_WORDSZ == 64 max_heap_sz = 23000000; # else max_heap_sz = 16000000; # endif # 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 * SAVE_CALL_COUNT/4; # endif # endif # 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. */ while (GC_collect_a_little()) { } for (i = 0; i < 16; i++) { GC_gcollect(); # ifdef FINALIZE_ON_DEMAND late_finalize_count += # endif GC_invoke_finalizers(); } if (print_stats) { GC_log_printf("Primordial thread stack bottom: %p\n", GC_stackbottom); } GC_printf("Completed %u tests\n", n_tests); GC_printf("Allocated %d collectable objects\n", collectable_count); GC_printf("Allocated %d uncollectable objects\n", uncollectable_count); GC_printf("Allocated %d atomic objects\n", atomic_count); GC_printf("Allocated %d stubborn objects\n", stubborn_count); GC_printf("Finalized %d/%d objects - ", finalized_count, finalizable_count); # ifdef FINALIZE_ON_DEMAND if (finalized_count != late_finalize_count) { GC_printf("Demand finalization error\n"); FAIL; } # endif if (finalized_count > finalizable_count || finalized_count < finalizable_count/2) { GC_printf("finalization is probably broken\n"); FAIL; } else { GC_printf("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) { 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"); } } GC_printf("Total number of bytes allocated is %lu\n", (unsigned long)GC_get_total_bytes()); GC_printf("Final heap size is %lu bytes\n", (unsigned long)GC_get_heap_size()); if (GC_get_total_bytes() < 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_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 THREADS GC_unregister_my_thread(); /* just to check it works (for main) */ # endif GC_printf("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 void GC_CALLBACK warn_proc(char *msg, GC_word p) { GC_printf(msg, (unsigned long)p); /*FAIL;*/ } #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) \ || defined(LINT) #if defined(MSWIN32) && !defined(__MINGW32__) || defined(MSWINCE) int APIENTRY WinMain(HINSTANCE instance, HINSTANCE prev, WINMAIN_LPTSTR cmd, int n) #elif defined(RTEMS) # include # 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_task Init(rtems_task_argument ignord) #else int main(void) #endif { n_tests = 0; # 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); # if (defined(MPROTECT_VDB) || defined(PROC_VDB) || defined(GWW_VDB)) \ && !defined(MAKE_BACK_GRAPH) && !defined(NO_INCREMENTAL) GC_enable_incremental(); GC_printf("Switched to incremental mode\n"); # if defined(MPROTECT_VDB) GC_printf("Emulating dirty bits with mprotect/signals\n"); # else # ifdef PROC_VDB GC_printf("Reading dirty bits from /proc\n"); # elif defined(GWW_VDB) GC_printf("Using GetWriteWatch-based implementation\n"); # else GC_printf("Using DEFAULT_VDB dirty bit implementation\n"); # endif # endif # endif run_one_test(); check_heap_stats(); # ifndef MSWINCE 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_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_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 # ifdef RTEMS exit(0); # else return(0); # endif } # endif #if defined(GC_WIN32_THREADS) && !defined(GC_PTHREADS) DWORD __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_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) { 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 int APIENTRY WinMain(HINSTANCE instance, HINSTANCE prev, WINMAIN_LPTSTR cmd, int n) { # if NTHREADS > 0 HANDLE h[NTHREADS]; int i; # endif # ifdef MSWINCE HANDLE win_thr_h; # endif DWORD thread_id; # if defined(GC_DLL) && !defined(GC_NO_THREADS_DISCOVERY) \ && !defined(MSWINCE) && !defined(THREAD_LOCAL_ALLOC) \ && !defined(PARALLEL_MARK) GC_use_threads_discovery(); /* Test with implicit thread registration if possible. */ GC_printf("Using DllMain to track threads\n"); # endif GC_COND_INIT(); # if !defined(MAKE_BACK_GRAPH) && !defined(NO_INCREMENTAL) GC_enable_incremental(); # endif 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 %d\n", (int)GetLastError()); FAIL; } win_thr_h = GC_CreateThread(NULL, 0, thr_window, 0, 0, &thread_id); if (win_thr_h == (HANDLE)NULL) { GC_printf("Thread creation failed %d\n", (int)GetLastError()); FAIL; } if (WaitForSingleObject(win_created_h, INFINITE) != WAIT_OBJECT_0) FAIL; CloseHandle(win_created_h); # endif # if NTHREADS > 0 for (i = 0; i < NTHREADS; i++) { h[i] = GC_CreateThread(NULL, 0, thr_run_one_test, 0, 0, &thread_id); if (h[i] == (HANDLE)NULL) { GC_printf("Thread creation failed %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 %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 check_heap_stats(); return(0); } #endif /* GC_WIN32_THREADS */ #ifdef PCR int test(void) { PCR_Th_T * th1; PCR_Th_T * th2; int code; n_tests = 0; /* GC_enable_incremental(); */ 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) { 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"); } check_heap_stats(); return(0); } #endif #if defined(GC_PTHREADS) void * thr_run_one_test(void * arg) { run_one_test(); return(0); } #ifdef GC_DEBUG # define GC_free GC_debug_free #endif int main(void) { pthread_t th[NTHREADS]; pthread_attr_t attr; int code; int i; # 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_COND_INIT(); pthread_attr_init(&attr); # if defined(GC_IRIX_THREADS) || defined(GC_FREEBSD_THREADS) \ || defined(GC_DARWIN_THREADS) || defined(GC_AIX_THREADS) \ || defined(GC_OPENBSD_THREADS) pthread_attr_setstacksize(&attr, 1000000); # endif n_tests = 0; # if (defined(MPROTECT_VDB)) && !defined(REDIRECT_MALLOC) \ && !defined(MAKE_BACK_GRAPH) && !defined(USE_PROC_FOR_LIBRARIES) \ && !defined(NO_INCREMENTAL) GC_enable_incremental(); GC_printf("Switched to incremental mode\n"); # if defined(MPROTECT_VDB) GC_printf("Emulating dirty bits with mprotect/signals\n"); # else # ifdef PROC_VDB GC_printf("Reading dirty bits from /proc\n"); # else GC_printf("Using DEFAULT_VDB dirty bit implementation\n"); # endif # endif # endif GC_set_warn_proc(warn_proc); if ((code = pthread_key_create(&fl_key, 0)) != 0) { GC_printf("Key creation failed %d\n", code); FAIL; } 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 %d\n", i, code); FAIL; } } run_one_test(); for (i = 0; i < NTHREADS; ++i) { if ((code = pthread_join(th[i], 0)) != 0) { GC_printf("Thread %d failed %d\n", i, code); FAIL; } } check_heap_stats(); (void)fflush(stdout); pthread_attr_destroy(&attr); GC_printf("Completed %u collections\n", (unsigned)GC_get_gc_no()); # ifdef PTW32_STATIC_LIB pthread_win32_thread_detach_np (); pthread_win32_process_detach_np (); # endif return(0); } #endif /* GC_PTHREADS */