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-rw-r--r--erts/emulator/beam/beam_load.c4
-rw-r--r--erts/emulator/beam/erl_db.c24
-rw-r--r--erts/emulator/sys/unix/sys.c6
-rwxr-xr-xerts/emulator/sys/win32/sys.c8
-rw-r--r--lib/stdlib/doc/src/ets.xml6
-rw-r--r--lib/stdlib/test/ets_SUITE.erl18
6 files changed, 47 insertions, 19 deletions
diff --git a/erts/emulator/beam/beam_load.c b/erts/emulator/beam/beam_load.c
index b589d1c930..915af7fbb1 100644
--- a/erts/emulator/beam/beam_load.c
+++ b/erts/emulator/beam/beam_load.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
@@ -409,7 +409,7 @@ typedef struct LoaderState {
__result = __result << 8 | *Stp->file_p++; \
} \
Dest = __result; \
- } while (0)
+ }
#define GetByte(Stp, Dest) \
if ((Stp)->file_left < 1) { \
diff --git a/erts/emulator/beam/erl_db.c b/erts/emulator/beam/erl_db.c
index 41e64fcd4f..a5d67571e2 100644
--- a/erts/emulator/beam/erl_db.c
+++ b/erts/emulator/beam/erl_db.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
@@ -125,6 +125,7 @@ get_meta_main_tab_lock(unsigned slot)
static erts_smp_spinlock_t meta_main_tab_main_lock;
static Uint meta_main_tab_first_free; /* Index of first free slot */
static int meta_main_tab_cnt; /* Number of active tables */
+static int meta_main_tab_top; /* Highest ever used slot + 1 */
static Uint meta_main_tab_slot_mask; /* The slot index part of an unnamed table id */
static Uint meta_main_tab_seq_incr;
static Uint meta_main_tab_seq_cnt = 0; /* To give unique(-ish) table identifiers */
@@ -1469,6 +1470,10 @@ BIF_RETTYPE ets_new_2(BIF_ALIST_2)
ASSERT(slot>=0 && slot<db_max_tabs);
meta_main_tab_first_free = GET_NEXT_FREE_SLOT(slot);
meta_main_tab_cnt++;
+ if (slot >= meta_main_tab_top) {
+ ASSERT(slot == meta_main_tab_top);
+ meta_main_tab_top = slot + 1;
+ }
if (is_named) {
ret = BIF_ARG_1;
@@ -2058,27 +2063,31 @@ BIF_RETTYPE ets_all_0(BIF_ALIST_0)
{
DbTable* tb;
Eterm previous;
- int i, j;
+ int i;
Eterm* hp;
Eterm* hendp;
int t_tabs_cnt;
- int t_max_tabs;
+ int t_top;
erts_smp_spin_lock(&meta_main_tab_main_lock);
t_tabs_cnt = meta_main_tab_cnt;
- t_max_tabs = db_max_tabs;
+ t_top = meta_main_tab_top;
erts_smp_spin_unlock(&meta_main_tab_main_lock);
hp = HAlloc(BIF_P, 2*t_tabs_cnt);
hendp = hp + 2*t_tabs_cnt;
previous = NIL;
- j = 0;
- for(i = 0; (i < t_max_tabs && j < t_tabs_cnt); i++) {
+ for(i = 0; i < t_top; i++) {
erts_smp_rwmtx_t *mmtl = get_meta_main_tab_lock(i);
erts_smp_rwmtx_rlock(mmtl);
if (IS_SLOT_ALIVE(i)) {
- j++;
+ if (hp == hendp) {
+ /* Racing table creator, grab some more heap space */
+ t_tabs_cnt = 10;
+ hp = HAlloc(BIF_P, 2*t_tabs_cnt);
+ hendp = hp + 2*t_tabs_cnt;
+ }
tb = meta_main_tab[i].u.tb;
previous = CONS(hp, tb->common.id, previous);
hp += 2;
@@ -2849,6 +2858,7 @@ void init_db(void)
ERTS_ETS_MISC_MEM_ADD(size);
meta_main_tab_cnt = 0;
+ meta_main_tab_top = 0;
for (i=1; i<db_max_tabs; i++) {
SET_NEXT_FREE_SLOT(i-1,i);
}
diff --git a/erts/emulator/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c
index a5294ad84e..865cb50a56 100644
--- a/erts/emulator/sys/unix/sys.c
+++ b/erts/emulator/sys/unix/sys.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
@@ -2561,7 +2561,7 @@ void *erts_sys_aligned_alloc(UWord alignment, UWord size)
#ifdef HAVE_POSIX_MEMALIGN
void *ptr = NULL;
int error;
- ASSERT(alignment && (alignment & ~alignment) == 0); /* power of 2 */
+ ASSERT(alignment && (alignment & (alignment-1)) == 0); /* power of 2 */
error = posix_memalign(&ptr, (size_t) alignment, (size_t) size);
#if HAVE_ERTS_MSEG
if (error || !ptr) {
@@ -2584,7 +2584,7 @@ void *erts_sys_aligned_alloc(UWord alignment, UWord size)
void erts_sys_aligned_free(UWord alignment, void *ptr)
{
- ASSERT(alignment && (alignment & ~alignment) == 0); /* power of 2 */
+ ASSERT(alignment && (alignment & (alignment-1)) == 0); /* power of 2 */
free(ptr);
}
diff --git a/erts/emulator/sys/win32/sys.c b/erts/emulator/sys/win32/sys.c
index 5ea4703a7a..a11ac73ebc 100755
--- a/erts/emulator/sys/win32/sys.c
+++ b/erts/emulator/sys/win32/sys.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
@@ -2757,7 +2757,7 @@ void erts_sys_free(ErtsAlcType_t t, void *x, void *p)
void *erts_sys_aligned_alloc(UWord alignment, UWord size)
{
void *ptr;
- ASSERT(alignment && (alignment & ~alignment) == 0); /* power of 2 */
+ ASSERT(alignment && (alignment & (alignment-1)) == 0); /* power of 2 */
ptr = _aligned_malloc((size_t) size, (size_t) alignment);
ASSERT(!ptr || (((UWord) ptr) & (alignment - 1)) == 0);
return ptr;
@@ -2765,14 +2765,14 @@ void *erts_sys_aligned_alloc(UWord alignment, UWord size)
void erts_sys_aligned_free(UWord alignment, void *ptr)
{
- ASSERT(alignment && (alignment & ~alignment) == 0); /* power of 2 */
+ ASSERT(alignment && (alignment & (alignment-1)) == 0); /* power of 2 */
_aligned_free(ptr);
}
void *erts_sys_aligned_realloc(UWord alignment, void *ptr, UWord size, UWord old_size)
{
void *new_ptr;
- ASSERT(alignment && (alignment & ~alignment) == 0); /* power of 2 */
+ ASSERT(alignment && (alignment & (alignment-1)) == 0); /* power of 2 */
new_ptr = _aligned_realloc(ptr, (size_t) size, (size_t) alignment);
ASSERT(!new_ptr || (((UWord) new_ptr) & (alignment - 1)) == 0);
return new_ptr;
diff --git a/lib/stdlib/doc/src/ets.xml b/lib/stdlib/doc/src/ets.xml
index 21cf8e4149..3df24bf688 100644
--- a/lib/stdlib/doc/src/ets.xml
+++ b/lib/stdlib/doc/src/ets.xml
@@ -4,7 +4,7 @@
<erlref>
<header>
<copyright>
- <year>1996</year><year>2013</year>
+ <year>1996</year><year>2014</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -171,6 +171,10 @@
<p>Returns a list of all tables at the node. Named tables are
given by their names, unnamed tables are given by their
table identifiers.</p>
+ <p>There is no guarantee of consistency in the returned list. Tables created
+ or deleted by other processes "during" the ets:all() call may or may
+ not be included in the list. Only tables created/deleted <em>before</em>
+ ets:all() is called are guaranteed to be included/excluded.</p>
</desc>
</func>
<func>
diff --git a/lib/stdlib/test/ets_SUITE.erl b/lib/stdlib/test/ets_SUITE.erl
index 82c3e7ecaf..8dc8b2c291 100644
--- a/lib/stdlib/test/ets_SUITE.erl
+++ b/lib/stdlib/test/ets_SUITE.erl
@@ -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
@@ -75,6 +75,7 @@
-export([otp_9932/1]).
-export([otp_9423/1]).
-export([otp_10182/1]).
+-export([ets_all/1]).
-export([memory_check_summary/1]).
-export([init_per_testcase/2, end_per_testcase/2]).
@@ -151,6 +152,7 @@ all() ->
otp_10182,
otp_9932,
otp_9423,
+ ets_all,
memory_check_summary]. % MUST BE LAST
@@ -5565,7 +5567,19 @@ otp_10182(Config) when is_list(Config) ->
ets:delete(Db),
In = Out.
-
+%% Test that ets:all include/exclude tables that we know are created/deleted
+ets_all(Config) when is_list(Config) ->
+ Pids = [spawn_link(fun() -> ets_all_run() end) || _ <- [1,2]],
+ receive after 3*1000 -> ok end,
+ [begin unlink(P), exit(P,kill) end || P <- Pids],
+ ok.
+
+ets_all_run() ->
+ Table = ets:new(undefined, []),
+ true = lists:member(Table, ets:all()),
+ ets:delete(Table),
+ false = lists:member(Table, ets:all()),
+ ets_all_run().
%
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 03:34:10 +0000