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-rw-r--r--erts/emulator/beam/beam_emu.c6
-rw-r--r--erts/emulator/beam/erl_alloc.types4
-rw-r--r--erts/emulator/beam/erl_gc.c18
-rw-r--r--erts/emulator/beam/erl_process.c9
-rw-r--r--erts/emulator/beam/erl_process.h11
-rw-r--r--erts/emulator/beam/external.c203
-rwxr-xr-xerts/emulator/beam/global.h346
-rw-r--r--erts/emulator/beam/utils.c48
-rw-r--r--erts/emulator/test/binary_SUITE.erl56
9 files changed, 328 insertions, 373 deletions
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c
index 592cfe273f..b413f0e859 100644
--- a/erts/emulator/beam/beam_emu.c
+++ b/erts/emulator/beam/beam_emu.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 1996-2013. All Rights Reserved.
+ * Copyright Ericsson AB 1996-2014. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -48,7 +48,7 @@
# define OpCase(OpCode) case op_##OpCode
# define CountCase(OpCode) case op_count_##OpCode
# define OpCode(OpCode) ((Uint*)op_##OpCode)
-# define Goto(Rel) {Go = (int)(Rel); goto emulator_loop;}
+# define Goto(Rel) {Go = (int)(UWord)(Rel); goto emulator_loop;}
# define LabelAddr(Addr) &&##Addr
#else
# define OpCase(OpCode) lb_##OpCode
@@ -133,7 +133,7 @@ do { \
/* We don't check the range if an ordinary switch is used */
#ifdef NO_JUMP_TABLE
-#define VALID_INSTR(IP) (0 <= (int)(IP) && ((int)(IP) < (NUMBER_OF_OPCODES*2+10)))
+#define VALID_INSTR(IP) ((UWord)(IP) < (NUMBER_OF_OPCODES*2+10))
#else
#define VALID_INSTR(IP) \
((SWord)LabelAddr(emulator_loop) <= (SWord)(IP) && \
diff --git a/erts/emulator/beam/erl_alloc.types b/erts/emulator/beam/erl_alloc.types
index 32308fae9b..b4e52770e3 100644
--- a/erts/emulator/beam/erl_alloc.types
+++ b/erts/emulator/beam/erl_alloc.types
@@ -1,7 +1,7 @@
#
# %CopyrightBegin%
#
-# Copyright Ericsson AB 2003-2013. All Rights Reserved.
+# Copyright Ericsson AB 2003-2014. All Rights Reserved.
#
# The contents of this file are subject to the Erlang Public License,
# Version 1.1, (the "License"); you may not use this file except in
@@ -150,7 +150,7 @@ type LINK_LH STANDARD PROCESSES link_lh
type SUSPEND_MON STANDARD PROCESSES suspend_monitor
type PEND_SUSPEND SHORT_LIVED PROCESSES pending_suspend
type PROC_LIST SHORT_LIVED PROCESSES proc_list
-type EXTRA_ROOT SHORT_LIVED PROCESSES extra_root
+type SAVED_ESTACK SHORT_LIVED PROCESSES saved_estack
type FUN_ENTRY LONG_LIVED CODE fun_entry
type ATOM_TXT LONG_LIVED ATOM atom_text
type BEAM_REGISTER EHEAP PROCESSES beam_register
diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c
index c5585d39e8..8ff6f9a3b9 100644
--- a/erts/emulator/beam/erl_gc.c
+++ b/erts/emulator/beam/erl_gc.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2002-2013. All Rights Reserved.
+ * Copyright Ericsson AB 2002-2014. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -1975,17 +1975,6 @@ setup_rootset(Process *p, Eterm *objv, int nobj, Rootset *rootset)
++n;
}
- /*
- * A trapping BIF can add to rootset by setting the extra_root
- * in the process_structure.
- */
- if (p->extra_root != NULL) {
- roots[n].v = p->extra_root->objv;
- roots[n].sz = p->extra_root->sz;
- ++n;
- }
-
-
ASSERT((is_nil(p->seq_trace_token) ||
is_tuple(follow_moved(p->seq_trace_token)) ||
is_atom(p->seq_trace_token)));
@@ -2563,11 +2552,6 @@ offset_one_rootset(Process *p, Sint offs, char* area, Uint area_size,
p->dictionary->used,
offs, area, area_size);
}
- if (p->extra_root != NULL) {
- offset_heap_ptr(p->extra_root->objv,
- p->extra_root->sz,
- offs, area, area_size);
- }
offset_heap_ptr(&p->fvalue, 1, offs, area, area_size);
offset_heap_ptr(&p->ftrace, 1, offs, area, area_size);
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index 21fd8dd50a..9983a26688 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 1996-2013. All Rights Reserved.
+ * Copyright Ericsson AB 1996-2014. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -8755,7 +8755,6 @@ erl_create_process(Process* parent, /* Parent of process (default group leader).
p->htop = p->heap;
p->heap_sz = sz;
p->catches = 0;
- p->extra_root = NULL;
p->bin_vheap_sz = p->min_vheap_size;
p->bin_old_vheap_sz = p->min_vheap_size;
@@ -10219,12 +10218,6 @@ erts_continue_exit_process(Process *p)
if (pbt)
erts_free(ERTS_ALC_T_BPD, (void *) pbt);
- if (p->extra_root != NULL) {
- (p->extra_root->cleanup)(p->extra_root); /* Should deallocate
- whole structure */
- p->extra_root = NULL;
- }
-
delete_process(p);
#ifdef ERTS_SMP
diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h
index 043621125c..e35d1c785c 100644
--- a/erts/emulator/beam/erl_process.h
+++ b/erts/emulator/beam/erl_process.h
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 1996-2013. All Rights Reserved.
+ * Copyright Ericsson AB 1996-2014. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -711,13 +711,6 @@ struct ErtsPendingSuspend_ {
#endif
-typedef struct ErlExtraRootSet_ ErlExtraRootSet;
-struct ErlExtraRootSet_ {
- Eterm *objv;
- Uint sz;
- void (*cleanup)(ErlExtraRootSet *);
-};
-
/* Defines to ease the change of memory architecture */
# define HEAP_START(p) (p)->heap
# define HEAP_TOP(p) (p)->htop
@@ -811,8 +804,6 @@ struct process {
ErlMessageQueue msg; /* Message queue */
- ErlExtraRootSet *extra_root; /* Used by trapping BIF's */
-
union {
ErtsBifTimer *bif_timers; /* Bif timers aiming at this process */
void *terminate;
diff --git a/erts/emulator/beam/external.c b/erts/emulator/beam/external.c
index bccbedc7bd..5e7a5cab6e 100644
--- a/erts/emulator/beam/external.c
+++ b/erts/emulator/beam/external.c
@@ -87,7 +87,8 @@
static Export term_to_binary_trap_export;
static byte* enc_term(ErtsAtomCacheMap *, Eterm, byte*, Uint32, struct erl_off_heap_header** off_heap);
-static int enc_term_int(Process *p,ErtsAtomCacheMap *acmp, Eterm obj, byte* ep, Uint32 dflags,
+struct TTBEncodeContext_;
+static int enc_term_int(struct TTBEncodeContext_*,ErtsAtomCacheMap *acmp, Eterm obj, byte* ep, Uint32 dflags,
struct erl_off_heap_header** off_heap, Sint *reds, byte **res);
static Uint is_external_string(Eterm obj, int* p_is_string);
static byte* enc_atom(ErtsAtomCacheMap *, Eterm, byte*, Uint32);
@@ -103,7 +104,8 @@ static Eterm erts_term_to_binary_int(Process* p, Eterm Term, int level, Uint fla
Binary *context_b);
static Uint encode_size_struct2(ErtsAtomCacheMap *, Eterm, unsigned);
-static int encode_size_struct_int(Process *p, ErtsAtomCacheMap *acmp, Eterm obj,
+struct TTBSizeContext_;
+static int encode_size_struct_int(struct TTBSizeContext_*, ErtsAtomCacheMap *acmp, Eterm obj,
unsigned dflags, Sint *reds, Uint *res);
static Export binary_to_term_trap_export;
@@ -1086,7 +1088,6 @@ BIF_RETTYPE term_to_binary_2(BIF_ALIST_2)
int level = 0;
Uint flags = TERM_TO_BINARY_DFLAGS;
Eterm res;
- Binary *bin = NULL;
while (is_list(Flags)) {
Eterm arg = CAR(list_val(Flags));
@@ -1123,7 +1124,7 @@ BIF_RETTYPE term_to_binary_2(BIF_ALIST_2)
goto error;
}
- res = erts_term_to_binary_int(p, Term, level, flags, bin);
+ res = erts_term_to_binary_int(p, Term, level, flags, NULL);
if (is_tuple(res)) {
erts_set_gc_state(p, 0);
BIF_TRAP1(&term_to_binary_trap_export,BIF_P,res);
@@ -1726,14 +1727,20 @@ erts_term_to_binary(Process* p, Eterm Term, int level, Uint flags) {
typedef enum { TTBSize, TTBEncode, TTBCompress } TTBState;
-typedef struct {
+typedef struct TTBSizeContext_ {
Uint flags;
int level;
+ Uint result;
+ Eterm obj;
+ ErtsEStack estack;
} TTBSizeContext;
-typedef struct {
+typedef struct TTBEncodeContext_ {
Uint flags;
int level;
+ byte* ep;
+ Eterm obj;
+ ErtsWStack wstack;
Binary *result_bin;
} TTBEncodeContext;
@@ -1763,8 +1770,10 @@ static void ttb_context_destructor(Binary *context_bin)
context->alive = 0;
switch (context->state) {
case TTBSize:
+ DESTROY_SAVED_ESTACK(&context->s.sc.estack);
break;
case TTBEncode:
+ DESTROY_SAVED_WSTACK(&context->s.ec.wstack);
if (context->s.ec.result_bin != NULL) { /* Set to NULL if ever made alive! */
ASSERT(erts_refc_read(&(context->s.ec.result_bin->refc),0) == 0);
erts_bin_free(context->s.ec.result_bin);
@@ -1829,6 +1838,7 @@ static Eterm erts_term_to_binary_int(Process* p, Eterm Term, int level, Uint fla
/* Setup enough to get started */
context->state = TTBSize;
context->alive = 1;
+ context->s.sc.estack.start = NULL;
context->s.sc.flags = flags;
context->s.sc.level = level;
} else {
@@ -1844,7 +1854,8 @@ static Eterm erts_term_to_binary_int(Process* p, Eterm Term, int level, Uint fla
int level;
Uint flags;
/* Try for fast path */
- if (encode_size_struct_int(p, NULL, Term, context->s.sc.flags, &reds, &size) < 0) {
+ if (encode_size_struct_int(&context->s.sc, NULL, Term,
+ context->s.sc.flags, &reds, &size) < 0) {
EXPORT_CONTEXT();
/* Same state */
RETURN_STATE();
@@ -1870,6 +1881,7 @@ static Eterm erts_term_to_binary_int(Process* p, Eterm Term, int level, Uint fla
context->state = TTBEncode;
context->s.ec.flags = flags;
context->s.ec.level = level;
+ context->s.ec.wstack.wstart = NULL;
context->s.ec.result_bin = result_bin;
break;
}
@@ -1881,7 +1893,7 @@ static Eterm erts_term_to_binary_int(Process* p, Eterm Term, int level, Uint fla
Binary *result_bin;
flags = context->s.ec.flags;
- if (enc_term_int(p,NULL,Term, bytes+1, flags, NULL, &reds, &endp) < 0) {
+ if (enc_term_int(&context->s.ec, NULL,Term, bytes+1, flags, NULL, &reds, &endp) < 0) {
EXPORT_CONTEXT();
RETURN_STATE();
}
@@ -2289,27 +2301,6 @@ dec_pid(ErtsDistExternal *edep, Eterm** hpp, byte* ep, ErlOffHeap* off_heap, Ete
#define ENC_PATCH_FUN_SIZE ((Eterm) 2)
#define ENC_LAST_ARRAY_ELEMENT ((Eterm) 3)
-/* Free extra rootset (used when trapping) */
-static void cleanup_ttb_extra_root(ErlExtraRootSet *rs)
-{
- if (rs->objv != NULL) {
- erts_free(ERTS_ALC_T_EXTRA_ROOT, rs->objv);
- }
- erts_free(ERTS_ALC_T_EXTRA_ROOT, rs);
-}
-
-/* Same as above, but we have an extra "stack" beyond GC reach, i.e. an array of two extra roots */
-static void cleanup_ttb_extra_root_2(ErlExtraRootSet *rs)
-{
- if (rs->objv != NULL) {
- erts_free(ERTS_ALC_T_EXTRA_ROOT, rs->objv);
- }
- if (rs[1].objv != NULL) {
- erts_free(ERTS_ALC_T_EXTRA_ROOT, rs[1].objv);
- }
-
- erts_free(ERTS_ALC_T_EXTRA_ROOT, rs);
-}
static byte*
enc_term(ErtsAtomCacheMap *acmp, Eterm obj, byte* ep, Uint32 dflags,
@@ -2321,39 +2312,43 @@ enc_term(ErtsAtomCacheMap *acmp, Eterm obj, byte* ep, Uint32 dflags,
}
static int
-enc_term_int(Process *p,ErtsAtomCacheMap *acmp, Eterm obj, byte* ep, Uint32 dflags,
+enc_term_int(TTBEncodeContext* ctx, ErtsAtomCacheMap *acmp, Eterm obj, byte* ep, Uint32 dflags,
struct erl_off_heap_header** off_heap, Sint *reds, byte **res)
{
- DECLARE_ESTACK(s);
- DECLARE_WSTACK(com);
+ DECLARE_WSTACK(s);
Uint n;
Uint i;
Uint j;
Uint* ptr;
Eterm val;
FloatDef f;
- int count_reds = (p != NULL && reds != NULL);
Sint r = 0;
+#if HALFWORD_HEAP
+ UWord wobj;
+#endif
- if (count_reds) {
- ESTACK_CHANGE_ALLOCATOR(s, ERTS_ALC_T_EXTRA_ROOT);
- WSTACK_CHANGE_ALLOCATOR(com, ERTS_ALC_T_EXTRA_ROOT);
+
+ if (ctx) {
+ WSTACK_CHANGE_ALLOCATOR(s, ERTS_ALC_T_SAVED_ESTACK);
r = *reds;
- }
- if (p && p->extra_root) { /* restore saved stacks and byte pointer */
- ESTACK_RESTORE(s,p->extra_root[0].objv, p->extra_root[0].sz);
- obj = ESTACK_POP(s);
- WSTACK_RESTORE(com, p->extra_root[1].objv, p->extra_root[1].sz);
- ep = (byte *) WSTACK_POP(com);
+ if (ctx->wstack.wstart) { /* restore saved stacks and byte pointer */
+ WSTACK_RESTORE(s, &ctx->wstack);
+ ep = ctx->ep;
+ obj = ctx->obj;
+ }
}
goto L_jump_start;
outer_loop:
- while (!ESTACK_ISEMPTY(s)) {
- obj = ESTACK_POP(s);
- switch (val = WSTACK_POP(com)) {
+ while (!WSTACK_ISEMPTY(s)) {
+#if HALFWORD_HEAP
+ obj = (Eterm) (wobj = WSTACK_POP(s));
+#else
+ obj = WSTACK_POP(s);
+#endif
+ switch (val = WSTACK_POP(s)) {
case ENC_TERM:
break;
case ENC_ONE_CONS:
@@ -2364,55 +2359,52 @@ enc_term_int(Process *p,ErtsAtomCacheMap *acmp, Eterm obj, byte* ep, Uint32 dfla
obj = CAR(cons);
tl = CDR(cons);
- WSTACK_PUSH(com, is_list(tl) ? ENC_ONE_CONS : ENC_TERM);
- ESTACK_PUSH(s, tl);
+ WSTACK_PUSH(s, is_list(tl) ? ENC_ONE_CONS : ENC_TERM);
+ WSTACK_PUSH(s, tl);
}
break;
case ENC_PATCH_FUN_SIZE:
- /* obj will be discarded, it was NIL */
{
- byte* size_p = (byte *) WSTACK_POP(com);
+#if HALFWORD_HEAP
+ byte* size_p = (byte *) wobj;
+#else
+ byte* size_p = (byte *) obj;
+#endif
put_int32(ep - size_p, size_p);
}
goto outer_loop;
case ENC_LAST_ARRAY_ELEMENT:
/* obj is the tuple */
{
- Eterm* ptr = tuple_val(obj);
- i = arityval(*ptr);
- obj = ptr[i];
+#if HALFWORD_HEAP
+ Eterm* ptr = (Eterm *) wobj;
+#else
+ Eterm* ptr = (Eterm *) obj;
+#endif
+ obj = *ptr;
}
break;
default: /* ENC_LAST_ARRAY_ELEMENT+1 and upwards */
{
- Eterm* ptr = tuple_val(obj);
- i = arityval(*ptr);
- ESTACK_PUSH(s, obj); /* put back tuple and next element index */
- WSTACK_PUSH(com, val-1);
- obj = ptr[i - (val - ENC_LAST_ARRAY_ELEMENT)]; /* the index is counting down */
+#if HALFWORD_HEAP
+ Eterm* ptr = (Eterm *) wobj;
+#else
+ Eterm* ptr = (Eterm *) obj;
+#endif
+ WSTACK_PUSH(s, val-1);
+ obj = *ptr++;
+ WSTACK_PUSH(s, (UWord)ptr);
}
break;
}
L_jump_start:
- if (count_reds && --r == 0) {
+ if (ctx && --r == 0) {
*reds = r;
- ESTACK_PUSH(s,obj); /* push back current object, to be popped on restore */
- WSTACK_PUSH(com,((UWord) ep));
- if (p->extra_root == NULL) {
- /* NB. Allocate an array of two "extra-roots", of which only the first element
- is seen and handled by the GC. Index 1 holds the Wstack. */
- p->extra_root = erts_alloc(ERTS_ALC_T_EXTRA_ROOT, sizeof(ErlExtraRootSet)*2);
- p->extra_root->objv = NULL;
- p->extra_root->sz = 0;
- p->extra_root->cleanup = cleanup_ttb_extra_root_2;
- p->extra_root[1].objv = NULL;
- p->extra_root[1].sz = 0;
- p->extra_root[1].cleanup = NULL; /* Never used */
- }
- ESTACK_SAVE(s, p->extra_root[0].objv, p->extra_root[0].sz);
- WSTACK_SAVE(com, p->extra_root[1].objv, (p->extra_root[1].sz));
+ ctx->obj = obj;
+ ctx->ep = ep;
+ WSTACK_SAVE(s, &ctx->wstack);
return -1;
}
switch(tag_val_def(obj)) {
@@ -2558,8 +2550,8 @@ enc_term_int(Process *p,ErtsAtomCacheMap *acmp, Eterm obj, byte* ep, Uint32 dfla
ep += 4;
}
if (i > 0) {
- WSTACK_PUSH(com, ENC_LAST_ARRAY_ELEMENT+i-1);
- ESTACK_PUSH(s, obj);
+ WSTACK_PUSH(s, ENC_LAST_ARRAY_ELEMENT+i-1);
+ WSTACK_PUSH(s, (UWord)ptr);
}
break;
@@ -2703,9 +2695,8 @@ enc_term_int(Process *p,ErtsAtomCacheMap *acmp, Eterm obj, byte* ep, Uint32 dfla
int ei;
*ep++ = NEW_FUN_EXT;
- WSTACK_PUSH(com, (UWord) ep); /* Position for patching in size */
- WSTACK_PUSH(com, ENC_PATCH_FUN_SIZE);
- ESTACK_PUSH(s,NIL); /* Will be thrown away */
+ WSTACK_PUSH(s, ENC_PATCH_FUN_SIZE);
+ WSTACK_PUSH(s, (UWord) ep); /* Position for patching in size */
ep += 4;
*ep = funp->arity;
ep += 1;
@@ -2722,8 +2713,8 @@ enc_term_int(Process *p,ErtsAtomCacheMap *acmp, Eterm obj, byte* ep, Uint32 dfla
fun_env:
for (ei = funp->num_free-1; ei > 0; ei--) {
- WSTACK_PUSH(com, ENC_TERM);
- ESTACK_PUSH(s, (UWord) funp->env[ei]);
+ WSTACK_PUSH(s, ENC_TERM);
+ WSTACK_PUSH(s, (UWord) funp->env[ei]);
}
if (funp->num_free != 0) {
obj = funp->env[0];
@@ -2766,13 +2757,9 @@ enc_term_int(Process *p,ErtsAtomCacheMap *acmp, Eterm obj, byte* ep, Uint32 dfla
break;
}
}
- DESTROY_ESTACK(s);
- DESTROY_WSTACK(com);
- if (p && p->extra_root) {
- cleanup_ttb_extra_root_2(p->extra_root);
- p->extra_root = NULL;
- }
- if (count_reds) {
+ DESTROY_WSTACK(s);
+ if (ctx) {
+ ASSERT(ctx->wstack.wstart == NULL);
*reds = r;
}
*res = ep;
@@ -3742,26 +3729,24 @@ static Uint encode_size_struct2(ErtsAtomCacheMap *acmp, Eterm obj, unsigned dfla
}
static int
-encode_size_struct_int(Process *p, ErtsAtomCacheMap *acmp, Eterm obj,
+encode_size_struct_int(TTBSizeContext* ctx, ErtsAtomCacheMap *acmp, Eterm obj,
unsigned dflags, Sint *reds, Uint *res)
{
DECLARE_ESTACK(s);
Uint m, i, arity;
Uint result = 0;
- int count_reds = (p != NULL && reds != 0);
Sint r = 0;
- if (count_reds) {
- ESTACK_CHANGE_ALLOCATOR(s, ERTS_ALC_T_EXTRA_ROOT);
+ if (ctx) {
+ ESTACK_CHANGE_ALLOCATOR(s, ERTS_ALC_T_SAVED_ESTACK);
r = *reds;
- }
-
- if (p && p->extra_root) { /* restore saved stack */
- ESTACK_RESTORE(s,p->extra_root->objv, p->extra_root->sz + 1);
- result = ESTACK_POP(s); /*Untagged, beyond p->extra_root->sz */
- obj = ESTACK_POP(s);
- }
+ if (ctx->estack.start) { /* restore saved stack */
+ ESTACK_RESTORE(s, &ctx->estack);
+ result = ctx->result;
+ obj = ctx->obj;
+ }
+ }
goto L_jump_start;
@@ -3787,18 +3772,11 @@ encode_size_struct_int(Process *p, ErtsAtomCacheMap *acmp, Eterm obj,
}
L_jump_start:
- if (count_reds && --r == 0) {
+ if (ctx && --r == 0) {
*reds = r;
- ESTACK_PUSH(s,obj); /* push back current object */
- ESTACK_PUSH(s,result); /* Untagged, will be out of GC reach */
- if (p->extra_root == NULL) {
- p->extra_root = erts_alloc(ERTS_ALC_T_EXTRA_ROOT, sizeof(ErlExtraRootSet));
- p->extra_root->objv = NULL;
- p->extra_root->sz = 0;
- p->extra_root->cleanup = cleanup_ttb_extra_root;
- }
- ESTACK_SAVE(s, p->extra_root->objv, p->extra_root->sz);
- --p->extra_root->sz; /* Hide result from GC */
+ ctx->obj = obj;
+ ctx->result = result;
+ ESTACK_SAVE(s, &ctx->estack);
return -1;
}
switch (tag_val_def(obj)) {
@@ -4001,11 +3979,8 @@ encode_size_struct_int(Process *p, ErtsAtomCacheMap *acmp, Eterm obj,
}
DESTROY_ESTACK(s);
- if (p && p->extra_root) {
- cleanup_ttb_extra_root(p->extra_root);
- p->extra_root = NULL;
- }
- if (count_reds) {
+ if (ctx) {
+ ASSERT(ctx->estack.start == NULL);
*reds = r;
}
*res = result;
diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h
index 6e5d352e5b..c183c519ff 100755
--- a/erts/emulator/beam/global.h
+++ b/erts/emulator/beam/global.h
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 1996-2013. All Rights Reserved.
+ * Copyright Ericsson AB 1996-2014. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -370,231 +370,233 @@ extern int stackdump_on_exit;
* DESTROY_ESTACK(Stack)
*/
+typedef struct {
+ UWord* start;
+ UWord* sp;
+ UWord* end;
+ ErtsAlcType_t alloc_type;
+}ErtsEStack;
-void erl_grow_stack(ErtsAlcType_t a_type, Eterm** start, Eterm** sp, Eterm** end);
-#define ESTK_CONCAT(a,b) a##b
-#define ESTK_SUBSCRIPT(s,i) *((Eterm *)((byte *)ESTK_CONCAT(s,_start) + (i)))
#define DEF_ESTACK_SIZE (16)
-#define DECLARE_ESTACK(s) \
- Eterm ESTK_CONCAT(s,_default_stack)[DEF_ESTACK_SIZE]; \
- Eterm* ESTK_CONCAT(s,_start) = ESTK_CONCAT(s,_default_stack); \
- Eterm* ESTK_CONCAT(s,_sp) = ESTK_CONCAT(s,_start); \
- Eterm* ESTK_CONCAT(s,_end) = ESTK_CONCAT(s,_start) + DEF_ESTACK_SIZE;\
- ErtsAlcType_t ESTK_CONCAT(s,_alloc_type) = ERTS_ALC_T_ESTACK
+void erl_grow_estack(ErtsEStack*, Eterm* def_stack);
+#define ESTK_CONCAT(a,b) a##b
+#define ESTK_DEF_STACK(s) ESTK_CONCAT(s,_default_estack)
+
+#define DECLARE_ESTACK(s) \
+ UWord ESTK_DEF_STACK(s)[DEF_ESTACK_SIZE]; \
+ ErtsEStack s = { \
+ ESTK_DEF_STACK(s), /* start */ \
+ ESTK_DEF_STACK(s), /* sp */ \
+ ESTK_DEF_STACK(s) + DEF_ESTACK_SIZE, /* end */ \
+ ERTS_ALC_T_ESTACK /* alloc_type */ \
+ }
#define ESTACK_CHANGE_ALLOCATOR(s,t) \
do { \
- if (ESTK_CONCAT(s,_start) != ESTK_CONCAT(s,_default_stack)) { \
+ if (s.start != ESTK_DEF_STACK(s)) { \
erl_exit(1, "Internal error - trying to change allocator " \
"type of active estack\n"); \
} \
- ESTK_CONCAT(s,_alloc_type) = (t); \
+ s.alloc_type = (t); \
} while (0)
+#define DESTROY_ESTACK(s) \
+do { \
+ if (s.start != ESTK_DEF_STACK(s)) { \
+ erts_free(s.alloc_type, s.start); \
+ } \
+} while(0)
+
+
/*
- * Do not free the stack after this, it may have pointers into what
- * was saved in 'v'. 'v' and 'vsize' are changed by this macro. If
- * 'v' points to anything, it should have been allocated by a previous
- * call to this macro. Be careful to set a correct allocator prior to
- * saving.
- * 'v' can be any lvalue pointer, it will point to an array of UWord
- * after calling this macro.
+ * Do not free the stack after this, it may have pointers into what
+ * was saved in 'dst'.
*/
-#define ESTACK_SAVE(s,v,vsize) /* v and vsize are "name parameters" */ \
-do { \
- Uint _esz = ESTACK_COUNT(s); \
- if (ESTK_CONCAT(s,_start) == ESTK_CONCAT(s,_default_stack)) { \
- if ((v) == NULL) { \
- (v) = erts_alloc(ESTK_CONCAT(s,_alloc_type), \
- DEF_ESTACK_SIZE * sizeof(Eterm)); \
- } \
- memcpy((v),ESTK_CONCAT(s,_start),_esz*sizeof(Eterm)); \
- } else { \
- (v) = (void *) ESTK_CONCAT(s,_start); \
- } \
- (vsize) = _esz; \
+#define ESTACK_SAVE(s,dst)\
+do {\
+ if (s.start == ESTK_DEF_STACK(s)) {\
+ UWord _wsz = ESTACK_COUNT(s);\
+ (dst)->start = erts_alloc(s.alloc_type,\
+ DEF_ESTACK_SIZE * sizeof(UWord));\
+ memcpy((dst)->start, s.start,_wsz*sizeof(UWord));\
+ (dst)->sp = (dst)->start + _wsz;\
+ (dst)->end = (dst)->start + DEF_ESTACK_SIZE;\
+ (dst)->alloc_type = s.alloc_type;\
+ } else\
+ *(dst) = s;\
} while (0)
-/*
- * Use on empty stack, only the allocator can be changed before this
- * The vector parameter is reset to NULL if the vector is moved to stack,
- * otherwise it's kept for reuse, so a saved and restored vector might
- * need freeing using the correct allocator parameter.
- * 'v' can be any lvalue pointer, it's cast to an (Eterm *).
+#define DESTROY_SAVED_ESTACK(estack)\
+do {\
+ if ((estack)->start) {\
+ erts_free((estack)->alloc_type, (estack)->start);\
+ (estack)->start = NULL;\
+ }\
+} while(0)
+
+/*
+ * Use on empty stack, only the allocator can be changed before this.
+ * The src stack is reset to NULL.
*/
-#define ESTACK_RESTORE(s, v, vsize) /*v is a "name parameter"*/ \
-do { \
- if ((vsize) > DEF_ESTACK_SIZE) { \
- Uint _ca = DEF_ESTACK_SIZE; \
- while (_ca < (vsize)) \
- _ca = _ca * 2; \
- ESTK_CONCAT(s,_start) = (Eterm *) (v); \
- ESTK_CONCAT(s,_end) = ((Eterm *)(v)) + _ca; \
- ESTK_CONCAT(s,_sp) = ESTK_CONCAT(s,_start) + (vsize); \
- (v) = NULL; \
- } else { \
- memcpy(ESTK_CONCAT(s,_start),(v),(vsize)*sizeof(Eterm));\
- ESTK_CONCAT(s,_sp) = ESTK_CONCAT(s,_start) + (vsize); \
- } \
- } while (0)
+#define ESTACK_RESTORE(s, src) \
+do { \
+ ASSERT(s.start == ESTK_DEF_STACK(s)); \
+ s = *(src); /* struct copy */ \
+ (src)->start = NULL; \
+ ASSERT(s.sp >= s.start); \
+ ASSERT(s.sp <= s.end); \
+} while (0)
-#define ESTACK_IS_STATIC(s) (ESTK_CONCAT(s,_start) == ESTK_CONCAT(s,_default_stack))
+#define ESTACK_IS_STATIC(s) (s.start == ESTK_DEF_STACK(s)))
-#define DESTROY_ESTACK(s) \
-do { \
- if (ESTK_CONCAT(s,_start) != ESTK_CONCAT(s,_default_stack)) { \
- erts_free(ESTK_CONCAT(s,_alloc_type), ESTK_CONCAT(s,_start)); \
- } \
+#define ESTACK_PUSH(s, x) \
+do { \
+ if (s.sp == s.end) { \
+ erl_grow_estack(&s, ESTK_DEF_STACK(s)); \
+ } \
+ *s.sp++ = (x); \
} while(0)
-#define ESTACK_PUSH(s, x) \
-do { \
- if (ESTK_CONCAT(s,_sp) == ESTK_CONCAT(s,_end)) { \
- erl_grow_stack(ESTK_CONCAT(s,_alloc_type),&ESTK_CONCAT(s,_start), \
- &ESTK_CONCAT(s,_sp), &ESTK_CONCAT(s,_end)); \
- } \
- *ESTK_CONCAT(s,_sp)++ = (x); \
+#define ESTACK_PUSH2(s, x, y) \
+do { \
+ if (s.sp > s.end - 2) { \
+ erl_grow_estack(&s, ESTK_DEF_STACK(s)); \
+ } \
+ *s.sp++ = (x); \
+ *s.sp++ = (y); \
} while(0)
-#define ESTACK_PUSH2(s, x, y) \
-do { \
- if (ESTK_CONCAT(s,_sp) > ESTK_CONCAT(s,_end) - 2) { \
- erl_grow_stack(ESTK_CONCAT(s,_alloc_type),&ESTK_CONCAT(s,_start), \
- &ESTK_CONCAT(s,_sp), &ESTK_CONCAT(s,_end)); \
- } \
- *ESTK_CONCAT(s,_sp)++ = (x); \
- *ESTK_CONCAT(s,_sp)++ = (y); \
+#define ESTACK_PUSH3(s, x, y, z) \
+do { \
+ if (s.sp > s.end - 3) { \
+ erl_grow_estack(&s, ESTK_DEF_STACK(s)); \
+ } \
+ *s.sp++ = (x); \
+ *s.sp++ = (y); \
+ *s.sp++ = (z); \
} while(0)
-#define ESTACK_PUSH3(s, x, y, z) \
-do { \
- if (ESTK_CONCAT(s,_sp) > ESTK_CONCAT(s,_end) - 3) { \
- erl_grow_stack(&ESTK_CONCAT(s,_start), &ESTK_CONCAT(s,_sp), \
- &ESTK_CONCAT(s,_end)); \
- } \
- *ESTK_CONCAT(s,_sp)++ = (x); \
- *ESTK_CONCAT(s,_sp)++ = (y); \
- *ESTK_CONCAT(s,_sp)++ = (z); \
-} while(0)
+#define ESTACK_COUNT(s) (s.sp - s.start)
+#define ESTACK_ISEMPTY(s) (s.sp == s.start)
+#define ESTACK_POP(s) (*(--s.sp))
-#define ESTACK_COUNT(s) (ESTK_CONCAT(s,_sp) - ESTK_CONCAT(s,_start))
-#define ESTACK_ISEMPTY(s) (ESTK_CONCAT(s,_sp) == ESTK_CONCAT(s,_start))
-#define ESTACK_POP(s) (*(--ESTK_CONCAT(s,_sp)))
+/*
+ * WSTACK: same as ESTACK but with UWord instead of Eterm
+ */
+typedef struct {
+ UWord* wstart;
+ UWord* wsp;
+ UWord* wend;
+ ErtsAlcType_t alloc_type;
+}ErtsWStack;
-void erl_grow_wstack(ErtsAlcType_t a_type, UWord** start, UWord** sp, UWord** end);
-#define WSTK_CONCAT(a,b) a##b
-#define WSTK_SUBSCRIPT(s,i) *((UWord *)((byte *)WSTK_CONCAT(s,_start) + (i)))
#define DEF_WSTACK_SIZE (16)
-#define DECLARE_WSTACK(s) \
- UWord WSTK_CONCAT(s,_default_stack)[DEF_WSTACK_SIZE]; \
- UWord* WSTK_CONCAT(s,_start) = WSTK_CONCAT(s,_default_stack); \
- UWord* WSTK_CONCAT(s,_sp) = WSTK_CONCAT(s,_start); \
- UWord* WSTK_CONCAT(s,_end) = WSTK_CONCAT(s,_start) + DEF_WSTACK_SIZE; \
- ErtsAlcType_t WSTK_CONCAT(s,_alloc_type) = ERTS_ALC_T_ESTACK
+void erl_grow_wstack(ErtsWStack*, Eterm* def_stack);
+#define WSTK_CONCAT(a,b) a##b
+#define WSTK_DEF_STACK(s) WSTK_CONCAT(s,_default_wstack)
+
+#define DECLARE_WSTACK(s) \
+ UWord WSTK_DEF_STACK(s)[DEF_WSTACK_SIZE]; \
+ ErtsWStack s = { \
+ WSTK_DEF_STACK(s), /* wstart */ \
+ WSTK_DEF_STACK(s), /* wsp */ \
+ WSTK_DEF_STACK(s) + DEF_WSTACK_SIZE, /* wend */ \
+ ERTS_ALC_T_ESTACK /* alloc_type */ \
+ }
#define WSTACK_CHANGE_ALLOCATOR(s,t) \
do { \
- if (WSTK_CONCAT(s,_start) != WSTK_CONCAT(s,_default_stack)) { \
+ if (s.wstart != WSTK_DEF_STACK(s)) { \
erl_exit(1, "Internal error - trying to change allocator " \
"type of active wstack\n"); \
} \
- WSTK_CONCAT(s,_alloc_type) = (t); \
+ s.alloc_type = (t); \
} while (0)
-#define DESTROY_WSTACK(s) \
-do { \
- if (WSTK_CONCAT(s,_start) != WSTK_CONCAT(s,_default_stack)) { \
- erts_free(WSTK_CONCAT(s,_alloc_type), WSTK_CONCAT(s,_start)); \
- } \
+#define DESTROY_WSTACK(s) \
+do { \
+ if (s.wstart != WSTK_DEF_STACK(s)) { \
+ erts_free(s.alloc_type, s.wstart); \
+ } \
} while(0)
+
/*
- * Do not free the stack after this, it may have pointers into what
- * was saved in 'v'. 'v' and 'vsize' are changed by this macro. If
- * 'v' points to anything, it should have been allocated by a previous
- * call to this macro. Be careful to set a correct allocator prior to
- * saving.
- * 'v' can be any lvalue pointer, it will point to an array of UWord
- * after calling this macro.
+ * Do not free the stack after this, it may have pointers into what
+ * was saved in 'dst'.
*/
-#define WSTACK_SAVE(s,v,vsize) /* v and vsize are "name parameters" */ \
-do { \
- Uint _wsz = WSTACK_COUNT(s); \
- if (WSTK_CONCAT(s,_start) == WSTK_CONCAT(s,_default_stack)) { \
- if ((v) == NULL) { \
- (v) = erts_alloc(WSTK_CONCAT(s,_alloc_type), \
- DEF_WSTACK_SIZE * sizeof(UWord)); \
- } \
- memcpy((v),WSTK_CONCAT(s,_start),_wsz*sizeof(UWord)); \
- } else { \
- (v) = (void *) WSTK_CONCAT(s,_start); \
- } \
- (vsize) = _wsz; \
+#define WSTACK_SAVE(s,dst)\
+do {\
+ if (s.wstart == WSTK_DEF_STACK(s)) {\
+ UWord _wsz = WSTACK_COUNT(s);\
+ (dst)->wstart = erts_alloc(s.alloc_type,\
+ DEF_WSTACK_SIZE * sizeof(UWord));\
+ memcpy((dst)->wstart, s.wstart,_wsz*sizeof(UWord));\
+ (dst)->wsp = (dst)->wstart + _wsz;\
+ (dst)->wend = (dst)->wstart + DEF_WSTACK_SIZE;\
+ (dst)->alloc_type = s.alloc_type;\
+ } else\
+ *(dst) = s;\
} while (0)
-/*
- * Use on empty stack, only the allocator can be changed before this
- * The vector parameter is reset to NULL if the vector is moved to stack,
- * otherwise it's kept for reuse, so a saved and restored vector might
- * need freeing using the correct allocator parameter.
- * 'v' can be any lvalue pointer, it's cast to an (UWord *).
+#define DESTROY_SAVED_WSTACK(wstack)\
+do {\
+ if ((wstack)->wstart) {\
+ erts_free((wstack)->alloc_type, (wstack)->wstart);\
+ (wstack)->wstart = NULL;\
+ }\
+} while(0)
+
+/*
+ * Use on empty stack, only the allocator can be changed before this.
+ * The src stack is reset to NULL.
*/
-#define WSTACK_RESTORE(s, v, vsize) /*v is a "name parameter"*/ \
-do { \
- if ((vsize) > DEF_WSTACK_SIZE) { \
- Uint _ca = DEF_WSTACK_SIZE; \
- while (_ca < (vsize)) \
- _ca = _ca * 2; \
- WSTK_CONCAT(s,_start) = (UWord *) (v); \
- WSTK_CONCAT(s,_end) = ((UWord *)(v)) + _ca; \
- WSTK_CONCAT(s,_sp) = WSTK_CONCAT(s,_start) + (vsize); \
- (v) = NULL; \
- } else { \
- memcpy(WSTK_CONCAT(s,_start),(v),(vsize)*sizeof(UWord));\
- WSTK_CONCAT(s,_sp) = WSTK_CONCAT(s,_start) + (vsize); \
- } \
- } while (0)
+#define WSTACK_RESTORE(s, src) \
+do { \
+ ASSERT(s.wstart == WSTK_DEF_STACK(s)); \
+ s = *(src); /* struct copy */ \
+ (src)->wstart = NULL; \
+ ASSERT(s.wsp >= s.wstart); \
+ ASSERT(s.wsp <= s.wend); \
+} while (0)
-#define WSTACK_IS_STATIC(s) (WSTK_CONCAT(s,_start) == WSTK_CONCAT(s,_default_stack))
+#define WSTACK_IS_STATIC(s) (s.wstart == WSTK_DEF_STACK(s)))
-#define WSTACK_PUSH(s, x) \
-do { \
- if (WSTK_CONCAT(s,_sp) == WSTK_CONCAT(s,_end)) { \
- erl_grow_wstack(WSTK_CONCAT(s,_alloc_type), &WSTK_CONCAT(s,_start), \
- &WSTK_CONCAT(s,_sp), &WSTK_CONCAT(s,_end)); \
- } \
- *WSTK_CONCAT(s,_sp)++ = (x); \
+#define WSTACK_PUSH(s, x) \
+do { \
+ if (s.wsp == s.wend) { \
+ erl_grow_wstack(&s, WSTK_DEF_STACK(s)); \
+ } \
+ *s.wsp++ = (x); \
} while(0)
-#define WSTACK_PUSH2(s, x, y) \
-do { \
- if (WSTK_CONCAT(s,_sp) > WSTK_CONCAT(s,_end) - 2) { \
- erl_grow_wstack(WSTK_CONCAT(s,_alloc_type), &WSTK_CONCAT(s,_start), \
- &WSTK_CONCAT(s,_sp), &WSTK_CONCAT(s,_end)); \
- } \
- *WSTK_CONCAT(s,_sp)++ = (x); \
- *WSTK_CONCAT(s,_sp)++ = (y); \
+#define WSTACK_PUSH2(s, x, y) \
+do { \
+ if (s.wsp > s.wend - 2) { \
+ erl_grow_wstack(&s, WSTK_DEF_STACK(s)); \
+ } \
+ *s.wsp++ = (x); \
+ *s.wsp++ = (y); \
} while(0)
-#define WSTACK_PUSH3(s, x, y, z) \
-do { \
- if (WSTK_CONCAT(s,_sp) > WSTK_CONCAT(s,_end) - 3) { \
- erl_grow_wstack(WSTK_CONCAT(s,_alloc_type), &WSTK_CONCAT(s,_start), \
- &WSTK_CONCAT(s,_sp), &WSTK_CONCAT(s,_end)); \
- } \
- *WSTK_CONCAT(s,_sp)++ = (x); \
- *WSTK_CONCAT(s,_sp)++ = (y); \
- *WSTK_CONCAT(s,_sp)++ = (z); \
+#define WSTACK_PUSH3(s, x, y, z) \
+do { \
+ if (s.wsp > s.wend - 3) { \
+ erl_grow_wstack(&s, WSTK_DEF_STACK(s)); \
+ } \
+ *s.wsp++ = (x); \
+ *s.wsp++ = (y); \
+ *s.wsp++ = (z); \
} while(0)
-#define WSTACK_COUNT(s) (WSTK_CONCAT(s,_sp) - WSTK_CONCAT(s,_start))
+#define WSTACK_COUNT(s) (s.wsp - s.wstart)
+#define WSTACK_ISEMPTY(s) (s.wsp == s.wstart)
+#define WSTACK_POP(s) (*(--s.wsp))
-#define WSTACK_ISEMPTY(s) (WSTK_CONCAT(s,_sp) == WSTK_CONCAT(s,_start))
-#define WSTACK_POP(s) (*(--WSTK_CONCAT(s,_sp)))
/* binary.c */
diff --git a/erts/emulator/beam/utils.c b/erts/emulator/beam/utils.c
index 297c4bf439..7f8bdcb2ca 100644
--- a/erts/emulator/beam/utils.c
+++ b/erts/emulator/beam/utils.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 1996-2013. All Rights Reserved.
+ * Copyright Ericsson AB 1996-2014. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -185,39 +185,41 @@ erts_set_hole_marker(Eterm* ptr, Uint sz)
* Helper function for the ESTACK macros defined in global.h.
*/
void
-erl_grow_stack(ErtsAlcType_t a_type, Eterm** start, Eterm** sp, Eterm** end)
+erl_grow_estack(ErtsEStack* s, Eterm* default_estack)
{
- Uint old_size = (*end - *start);
+ Uint old_size = (s->end - s->start);
Uint new_size = old_size * 2;
- Uint sp_offs = *sp - *start;
- if (new_size > 2 * DEF_ESTACK_SIZE) {
- *start = erts_realloc(a_type, (void *) *start, new_size*sizeof(Eterm));
+ Uint sp_offs = s->sp - s->start;
+ if (s->start != default_estack) {
+ s->start = erts_realloc(s->alloc_type, s->start,
+ new_size*sizeof(Eterm));
} else {
- Eterm* new_ptr = erts_alloc(a_type, new_size*sizeof(Eterm));
- sys_memcpy(new_ptr, *start, old_size*sizeof(Eterm));
- *start = new_ptr;
+ Eterm* new_ptr = erts_alloc(s->alloc_type, new_size*sizeof(Eterm));
+ sys_memcpy(new_ptr, s->start, old_size*sizeof(Eterm));
+ s->start = new_ptr;
}
- *end = *start + new_size;
- *sp = *start + sp_offs;
+ s->end = s->start + new_size;
+ s->sp = s->start + sp_offs;
}
/*
- * Helper function for the ESTACK macros defined in global.h.
+ * Helper function for the WSTACK macros defined in global.h.
*/
void
-erl_grow_wstack(ErtsAlcType_t a_type, UWord** start, UWord** sp, UWord** end)
+erl_grow_wstack(ErtsWStack* s, UWord* default_wstack)
{
- Uint old_size = (*end - *start);
+ Uint old_size = (s->wend - s->wstart);
Uint new_size = old_size * 2;
- Uint sp_offs = *sp - *start;
- if (new_size > 2 * DEF_ESTACK_SIZE) {
- *start = erts_realloc(a_type, (void *) *start, new_size*sizeof(UWord));
+ Uint sp_offs = s->wsp - s->wstart;
+ if (s->wstart != default_wstack) {
+ s->wstart = erts_realloc(s->alloc_type, s->wstart,
+ new_size*sizeof(UWord));
} else {
- UWord* new_ptr = erts_alloc(a_type, new_size*sizeof(UWord));
- sys_memcpy(new_ptr, *start, old_size*sizeof(UWord));
- *start = new_ptr;
+ UWord* new_ptr = erts_alloc(s->alloc_type, new_size*sizeof(UWord));
+ sys_memcpy(new_ptr, s->wstart, old_size*sizeof(UWord));
+ s->wstart = new_ptr;
}
- *end = *start + new_size;
- *sp = *start + sp_offs;
+ s->wend = s->wstart + new_size;
+ s->wsp = s->wstart + sp_offs;
}
/* CTYPE macros */
@@ -2846,7 +2848,7 @@ pop_next:
return 0;
not_equal:
- DESTROY_ESTACK(stack);
+ DESTROY_WSTACK(stack);
return j;
#undef CMP_NODES
diff --git a/erts/emulator/test/binary_SUITE.erl b/erts/emulator/test/binary_SUITE.erl
index eee299db56..a390c536bb 100644
--- a/erts/emulator/test/binary_SUITE.erl
+++ b/erts/emulator/test/binary_SUITE.erl
@@ -58,10 +58,10 @@
ordering/1,unaligned_order/1,gc_test/1,
bit_sized_binary_sizes/1,
otp_6817/1,deep/1,obsolete_funs/1,robustness/1,otp_8117/1,
- otp_8180/1, ttb_trap/1]).
+ otp_8180/1, trapping/1]).
%% Internal exports.
--export([sleeper/0,ttb_loop/2]).
+-export([sleeper/0,trapping_loop/4]).
suite() -> [{ct_hooks,[ts_install_cth]},
{timetrap,{minutes,2}}].
@@ -76,7 +76,7 @@ all() ->
bad_term_to_binary, more_bad_terms, otp_5484, otp_5933,
ordering, unaligned_order, gc_test,
bit_sized_binary_sizes, otp_6817, otp_8117, deep,
- obsolete_funs, robustness, otp_8180, ttb_trap].
+ obsolete_funs, robustness, otp_8180, trapping].
groups() ->
[].
@@ -1345,36 +1345,44 @@ run_otp_8180(Name) ->
end || Bin <- Bins],
ok.
-%% Test that exit and GC during term_to_binary trap does not crash.
-ttb_trap(Config) when is_list(Config)->
- case erlang:system_info(wordsize) of
- N when N < 8 ->
- {skipped, "Only on 64bit machines"};
- _ ->
- do_ttb_trap(5)
- end.
+%% Test that exit and GC during trapping term_to_binary and binary_to_term
+%% does not crash.
+trapping(Config) when is_list(Config)->
+ do_trapping(5, term_to_binary,
+ fun() -> [lists:duplicate(2000000,2000000)] end),
+ do_trapping(5, binary_to_term,
+ fun() -> [term_to_binary(lists:duplicate(2000000,2000000))] end).
-do_ttb_trap(0) ->
+do_trapping(0, _, _) ->
ok;
-do_ttb_trap(N) ->
- Pid = spawn(?MODULE,ttb_loop,[1000,self()]),
+do_trapping(N, Bif, ArgFun) ->
+ io:format("N=~p: Do ~p ~s gc.\n", [N, Bif, case N rem 2 of 0 -> "with"; 1 -> "without" end]),
+ Pid = spawn(?MODULE,trapping_loop,[Bif, ArgFun, 1000, self()]),
receive ok -> ok end,
receive after 100 -> ok end,
- erlang:garbage_collect(Pid),
- receive after 100 -> ok end,
+ Ref = make_ref(),
+ case N rem 2 of
+ 0 -> erlang:garbage_collect(Pid, [{async,Ref}]),
+ receive after 100 -> ok end;
+ 1 -> void
+ end,
exit(Pid,kill),
+ case N rem 2 of
+ 0 -> receive {garbage_collect, Ref, _} -> ok end;
+ 1 -> void
+ end,
receive after 1 -> ok end,
- do_ttb_trap(N-1).
+ do_trapping(N-1, Bif, ArgFun).
-ttb_loop(N,Pid) ->
- Term = lists:duplicate(2000000,2000000),
+trapping_loop(Bif, ArgFun, N, Pid) ->
+ Args = ArgFun(),
Pid ! ok,
- ttb_loop2(N,Term).
-ttb_loop2(0,_T) ->
+ trapping_loop2(Bif,Args,N).
+trapping_loop2(_,_,0) ->
ok;
-ttb_loop2(N,T) ->
- apply(erlang,term_to_binary,[T]),
- ttb_loop2(N-1,T).
+trapping_loop2(Bif,Args,N) ->
+ apply(erlang,Bif,Args),
+ trapping_loop2(Bif, Args, N-1).
%% Utilities.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 13:43:11 +0000