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-rw-r--r--erts/aclocal.m42
-rw-r--r--erts/doc/src/notes.xml23
-rw-r--r--erts/emulator/beam/beam_debug.c31
-rw-r--r--erts/emulator/beam/erl_db_hash.c60
-rw-r--r--erts/emulator/beam/erl_map.c5
-rw-r--r--erts/emulator/beam/erl_process.c36
-rw-r--r--erts/emulator/drivers/unix/ttsl_drv.c2
-rw-r--r--erts/emulator/hipe/hipe_bif_list.m432
-rw-r--r--erts/emulator/sys/unix/sys.c16
-rw-r--r--erts/emulator/test/erts_debug_SUITE.erl47
-rw-r--r--erts/emulator/test/map_SUITE.erl44
-rw-r--r--erts/vsn.mk2
12 files changed, 228 insertions, 72 deletions
diff --git a/erts/aclocal.m4 b/erts/aclocal.m4
index 0714ce6030..11c311f2c0 100644
--- a/erts/aclocal.m4
+++ b/erts/aclocal.m4
@@ -1906,7 +1906,7 @@ case "$THR_LIB_NAME" in
#define _DARWIN_C_SOURCE
#include <pthread.h>],
[char buff[256]; pthread_getname_np(pthread_self(), buff, 256);],
- pthread_getname=normal)
+ pthread_getname=linux)
AC_TRY_LINK([#define __USE_GNU
#define _DARWIN_C_SOURCE
#include <pthread.h>],
diff --git a/erts/doc/src/notes.xml b/erts/doc/src/notes.xml
index ab6291614c..bed1ac463d 100644
--- a/erts/doc/src/notes.xml
+++ b/erts/doc/src/notes.xml
@@ -31,6 +31,29 @@
</header>
<p>This document describes the changes made to the ERTS application.</p>
+<section><title>Erts 7.0.3</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ Fixed a binary memory leak when printing to shell using
+ the tty driver (i.e. not -oldshell).</p>
+ <p>
+ Own Id: OTP-12941</p>
+ </item>
+ <item>
+ <p>
+ Fix a bug where the standard error port sometimes crashes
+ with eagain as the reason.</p>
+ <p>
+ Own Id: OTP-12942</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Erts 7.0.2</title>
<section><title>Fixed Bugs and Malfunctions</title>
diff --git a/erts/emulator/beam/beam_debug.c b/erts/emulator/beam/beam_debug.c
index c756de8c8e..c774a70d4c 100644
--- a/erts/emulator/beam/beam_debug.c
+++ b/erts/emulator/beam/beam_debug.c
@@ -298,8 +298,8 @@ erts_debug_disassemble_1(BIF_ALIST_1)
(void) erts_bld_uword(NULL, &hsz, (BeamInstr) code_ptr);
hp = HAlloc(p, hsz);
addr = erts_bld_uword(&hp, NULL, (BeamInstr) code_ptr);
- ASSERT(is_atom(funcinfo[0]));
- ASSERT(is_atom(funcinfo[1]));
+ ASSERT(is_atom(funcinfo[0]) || funcinfo[0] == NIL);
+ ASSERT(is_atom(funcinfo[1]) || funcinfo[1] == NIL);
mfa = TUPLE3(hp, (Eterm) funcinfo[0], (Eterm) funcinfo[1], make_small((Eterm) funcinfo[2]));
hp += 4;
return TUPLE3(hp, addr, bin, mfa);
@@ -669,7 +669,6 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr)
case op_new_map_dII:
case op_update_map_assoc_jsdII:
case op_update_map_exact_jsdII:
- case op_i_get_map_elements_fsI:
{
int n = unpacked[-1];
@@ -693,6 +692,32 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr)
}
}
break;
+ case op_i_get_map_elements_fsI:
+ {
+ int n = unpacked[-1];
+
+ while (n > 0) {
+ if (n % 3 == 1) {
+ erts_print(to, to_arg, " %X", ap[0]);
+ } else if (!is_header(ap[0])) {
+ erts_print(to, to_arg, " %T", (Eterm) ap[0]);
+ } else {
+ switch ((ap[0] >> 2) & 0x03) {
+ case R_REG_DEF:
+ erts_print(to, to_arg, " x(0)");
+ break;
+ case X_REG_DEF:
+ erts_print(to, to_arg, " x(%d)", ap[0] >> 4);
+ break;
+ case Y_REG_DEF:
+ erts_print(to, to_arg, " y(%d)", ap[0] >> 4);
+ break;
+ }
+ }
+ ap++, size++, n--;
+ }
+ }
+ break;
}
erts_print(to, to_arg, "\n");
diff --git a/erts/emulator/beam/erl_db_hash.c b/erts/emulator/beam/erl_db_hash.c
index 81b0c4465c..98a2e2842a 100644
--- a/erts/emulator/beam/erl_db_hash.c
+++ b/erts/emulator/beam/erl_db_hash.c
@@ -148,8 +148,11 @@ static ERTS_INLINE Uint hash_to_ix(DbTableHash* tb, HashValue hval)
}
/* Remember a slot containing a pseudo-deleted item (INVALID_HASH)
-*/
-static ERTS_INLINE void add_fixed_deletion(DbTableHash* tb, int ix)
+ * Return false if we got raced by unfixing thread
+ * and the object should be deleted for real.
+ */
+static ERTS_INLINE int add_fixed_deletion(DbTableHash* tb, int ix,
+ erts_aint_t fixated_by_me)
{
erts_aint_t was_next;
erts_aint_t exp_next;
@@ -160,12 +163,18 @@ static ERTS_INLINE void add_fixed_deletion(DbTableHash* tb, int ix)
fixd->slot = ix;
was_next = erts_smp_atomic_read_acqb(&tb->fixdel);
do { /* Lockless atomic insertion in linked list: */
- exp_next = was_next;
+ if (NFIXED(tb) <= fixated_by_me) {
+ erts_db_free(ERTS_ALC_T_DB_FIX_DEL, (DbTable*)tb,
+ fixd, sizeof(FixedDeletion));
+ return 0; /* raced by unfixer */
+ }
+ exp_next = was_next;
fixd->next = (FixedDeletion*) exp_next;
- was_next = erts_smp_atomic_cmpxchg_relb(&tb->fixdel,
- (erts_aint_t) fixd,
- exp_next);
+ was_next = erts_smp_atomic_cmpxchg_mb(&tb->fixdel,
+ (erts_aint_t) fixd,
+ exp_next);
}while (was_next != exp_next);
+ return 1;
}
@@ -607,8 +616,8 @@ void db_unfix_table_hash(DbTableHash *tb)
|| (erts_smp_lc_rwmtx_is_rlocked(&tb->common.rwlock)
&& !tb->common.is_thread_safe));
restart:
- fixdel = (FixedDeletion*) erts_smp_atomic_xchg_acqb(&tb->fixdel,
- (erts_aint_t) NULL);
+ fixdel = (FixedDeletion*) erts_smp_atomic_xchg_mb(&tb->fixdel,
+ (erts_aint_t) NULL);
while (fixdel != NULL) {
FixedDeletion *fx = fixdel;
int ix = fx->slot;
@@ -1142,9 +1151,9 @@ int db_erase_hash(DbTable *tbl, Eterm key, Eterm *ret)
while(b != 0) {
if (has_live_key(tb,b,key,hval)) {
--nitems_diff;
- if (nitems_diff == -1 && IS_FIXED(tb)) {
+ if (nitems_diff == -1 && IS_FIXED(tb)
+ && add_fixed_deletion(tb, ix, 0)) {
/* Pseudo remove (no need to keep several of same key) */
- add_fixed_deletion(tb, ix);
b->hvalue = INVALID_HASH;
} else {
*bp = b->next;
@@ -1196,9 +1205,8 @@ static int db_erase_object_hash(DbTable *tbl, Eterm object, Eterm *ret)
++nkeys;
if (db_eq(&tb->common,object, &b->dbterm)) {
--nitems_diff;
- if (nkeys==1 && IS_FIXED(tb)) { /* Pseudo remove */
- add_fixed_deletion(tb,ix);
- b->hvalue = INVALID_HASH;
+ if (nkeys==1 && IS_FIXED(tb) && add_fixed_deletion(tb,ix,0)) {
+ b->hvalue = INVALID_HASH; /* Pseudo remove */
bp = &b->next;
b = b->next;
} else {
@@ -1820,14 +1828,17 @@ static int db_select_delete_hash(Process *p,
int did_erase = 0;
if (db_match_dbterm(&tb->common, p, mpi.mp, 0,
&(*current)->dbterm, NULL, 0) == am_true) {
+ HashDbTerm *del;
if (NFIXED(tb) > fixated_by_me) { /* fixated by others? */
if (slot_ix != last_pseudo_delete) {
- add_fixed_deletion(tb, slot_ix);
- last_pseudo_delete = slot_ix;
+ if (!add_fixed_deletion(tb, slot_ix, fixated_by_me))
+ goto do_erase;
+ last_pseudo_delete = slot_ix;
}
(*current)->hvalue = INVALID_HASH;
} else {
- HashDbTerm *del = *current;
+ do_erase:
+ del = *current;
*current = (*current)->next;
free_term(tb, del);
did_erase = 1;
@@ -1931,14 +1942,17 @@ static int db_select_delete_continue_hash(Process *p,
int did_erase = 0;
if (db_match_dbterm(&tb->common, p, mp, 0,
&(*current)->dbterm, NULL, 0) == am_true) {
+ HashDbTerm *del;
if (NFIXED(tb) > fixated_by_me) { /* fixated by others? */
if (slot_ix != last_pseudo_delete) {
- add_fixed_deletion(tb, slot_ix);
+ if (!add_fixed_deletion(tb, slot_ix, fixated_by_me))
+ goto do_erase;
last_pseudo_delete = slot_ix;
}
(*current)->hvalue = INVALID_HASH;
} else {
- HashDbTerm *del = *current;
+ do_erase:
+ del = *current;
*current = (*current)->next;
free_term(tb, del);
did_erase = 1;
@@ -2089,9 +2103,9 @@ static int db_take_hash(Process *p, DbTable *tbl, Eterm key, Eterm *ret)
*ret = get_term_list(p, tb, key, hval, b, &bend);
while (b != bend) {
--nitems_diff;
- if (nitems_diff == -1 && IS_FIXED(tb)) {
+ if (nitems_diff == -1 && IS_FIXED(tb)
+ && add_fixed_deletion(tb, ix, 0)) {
/* Pseudo remove (no need to keep several of same key) */
- add_fixed_deletion(tb, ix);
bp = &b->next;
b->hvalue = INVALID_HASH;
b = b->next;
@@ -2131,7 +2145,7 @@ int db_mark_all_deleted_hash(DbTable *tbl)
for (i = 0; i < NACTIVE(tb); i++) {
if ((list = BUCKET(tb,i)) != NULL) {
- add_fixed_deletion(tb, i);
+ add_fixed_deletion(tb, i, 0);
do {
list->hvalue = INVALID_HASH;
list = list->next;
@@ -2908,8 +2922,8 @@ db_finalize_dbterm_hash(int cret, DbUpdateHandle* handle)
ASSERT((&b->dbterm == handle->dbterm) == !(tb->common.compress && handle->flags & DB_MUST_RESIZE));
if (handle->flags & DB_NEW_OBJECT && cret != DB_ERROR_NONE) {
- if (IS_FIXED(tb)) {
- add_fixed_deletion(tb, hash_to_ix(tb, b->hvalue));
+ if (IS_FIXED(tb) && add_fixed_deletion(tb, hash_to_ix(tb, b->hvalue),
+ 0)) {
b->hvalue = INVALID_HASH;
} else {
*bp = b->next;
diff --git a/erts/emulator/beam/erl_map.c b/erts/emulator/beam/erl_map.c
index a91e36e3c5..ff2a355309 100644
--- a/erts/emulator/beam/erl_map.c
+++ b/erts/emulator/beam/erl_map.c
@@ -32,7 +32,9 @@
#include "global.h"
#include "erl_process.h"
#include "error.h"
+#define ERL_WANT_HIPE_BIF_WRAPPER__
#include "bif.h"
+#undef ERL_WANT_HIPE_BIF_WRAPPER__
#include "erl_binary.h"
#include "erl_map.h"
@@ -952,8 +954,11 @@ BIF_RETTYPE maps_keys_1(BIF_ALIST_1) {
BIF_P->fvalue = BIF_ARG_1;
BIF_ERROR(BIF_P, BADMAP);
}
+
/* maps:merge/2 */
+HIPE_WRAPPER_BIF_DISABLE_GC(maps_merge, 2)
+
BIF_RETTYPE maps_merge_2(BIF_ALIST_2) {
if (is_flatmap(BIF_ARG_1)) {
if (is_flatmap(BIF_ARG_2)) {
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index ee1dd36d48..7135c0475e 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -9177,6 +9177,10 @@ erts_set_process_priority(Process *p, Eterm value)
a = erts_smp_atomic32_cmpxchg_mb(&p->state, n, e);
} while (a != e);
+
+ if (slocked)
+ erts_smp_proc_unlock(p, ERTS_PROC_LOCK_STATUS);
+
}
switch (oprio) {
@@ -11522,10 +11526,14 @@ save_pending_exiter(Process *p)
{
ErtsProcList *plp;
ErtsRunQueue *rq;
+ ErtsSchedulerData *esdp = erts_get_scheduler_data();
ERTS_SMP_LC_ASSERT(ERTS_PROC_LOCK_STATUS & erts_proc_lc_my_proc_locks(p));
- rq = erts_get_runq_current(NULL);
+ if (!esdp)
+ rq = RUNQ_READ_RQ(&p->run_queue);
+ else
+ rq = esdp->run_queue;
plp = proclist_create(p);
@@ -11542,6 +11550,7 @@ save_pending_exiter(Process *p)
else
#endif
wake_scheduler(rq);
+
}
#endif
@@ -11730,23 +11739,21 @@ send_exit_signal(Process *c_p, /* current process if and only
if (need_locks
&& erts_smp_proc_trylock(rp, need_locks) == EBUSY) {
/* ... but we havn't got all locks on it ... */
- save_pending_exiter(rp);
+ save_pending_exiter(rp);
/*
* The pending exit will be discovered when next
* process is scheduled in
*/
- goto set_pending_exit;
- }
- else {
- /* ...and we have all locks on it... */
- *rp_locks = ERTS_PROC_LOCKS_ALL;
- set_proc_exiting(rp,
- state,
- (is_immed(rsn)
- ? rsn
- : copy_object(rsn, rp)),
- NULL);
+ goto set_pending_exit;
}
+ /* ...and we have all locks on it... */
+ *rp_locks = ERTS_PROC_LOCKS_ALL;
+ set_proc_exiting(rp,
+ state,
+ (is_immed(rsn)
+ ? rsn
+ : copy_object(rsn, rp)),
+ NULL);
}
else { /* Process running... */
@@ -12126,7 +12133,8 @@ erts_do_exit_process(Process* p, Eterm reason)
#endif
if (p->static_flags & ERTS_STC_FLG_SYSTEM_PROC)
- erl_exit(1, "System process %T terminated: %T\n", p->common.id, reason);
+ erl_exit(ERTS_DUMP_EXIT, "System process %T terminated: %T\n",
+ p->common.id, reason);
#ifdef ERTS_SMP
ERTS_SMP_CHK_HAVE_ONLY_MAIN_PROC_LOCK(p);
diff --git a/erts/emulator/drivers/unix/ttsl_drv.c b/erts/emulator/drivers/unix/ttsl_drv.c
index 0f773b69fb..53146e71f0 100644
--- a/erts/emulator/drivers/unix/ttsl_drv.c
+++ b/erts/emulator/drivers/unix/ttsl_drv.c
@@ -720,6 +720,7 @@ static void ttysl_from_erlang(ErlDrvData ttysl_data, char* buf, ErlDrvSizeT coun
}
driver_enq_bin(ttysl_port,putcbuf,0,putcpos);
+ driver_free_binary(putcbuf);
if (sz == 0) {
for (;;) {
@@ -1207,6 +1208,7 @@ static int outc(int c)
putcbuf->orig_bytes[putcpos++] = c;
if (putcpos == putclen) {
driver_enq_bin(ttysl_port,putcbuf,0,putclen);
+ driver_free_binary(putcbuf);
putcpos = 0;
putclen = TTY_BUFFSIZE;
putcbuf = driver_alloc_binary(BUFSIZ);
diff --git a/erts/emulator/hipe/hipe_bif_list.m4 b/erts/emulator/hipe/hipe_bif_list.m4
index b3bd5e4357..6aa0c9a32e 100644
--- a/erts/emulator/hipe/hipe_bif_list.m4
+++ b/erts/emulator/hipe/hipe_bif_list.m4
@@ -269,21 +269,23 @@ noproc_primop_interface_1(nbif_atomic_inc, hipe_atomic_inc)
/* BIFs that disable GC while trapping are called via a wrapper
* to reserve stack space for the "trap frame".
*/
-define(CFUN,`ifelse($1,term_to_binary_1,hipe_wrapper_term_to_binary_1,
-ifelse($1,term_to_binary_2,hipe_wrapper_term_to_binary_2,
-ifelse($1,binary_to_term_1,hipe_wrapper_binary_to_term_1,
-ifelse($1,binary_to_term_2,hipe_wrapper_binary_to_term_2,
-ifelse($1,binary_to_list_1,hipe_wrapper_binary_to_list_1,
-ifelse($1,binary_to_list_3,hipe_wrapper_binary_to_list_3,
-ifelse($1,bitstring_to_list_1,hipe_wrapper_bitstring_to_list_1,
-ifelse($1,list_to_binary_1,hipe_wrapper_list_to_binary_1,
-ifelse($1,iolist_to_binary_1,hipe_wrapper_iolist_to_binary_1,
-ifelse($1,binary_list_to_bin_1,hipe_wrapper_binary_list_to_bin_1,
-ifelse($1,list_to_bitstring_1,hipe_wrapper_list_to_bitstring_1,
-ifelse($1,send_2,hipe_wrapper_send_2,
-ifelse($1,send_3,hipe_wrapper_send_3,
-ifelse($1,ebif_bang_2,hipe_wrapper_ebif_bang_2,
-$1))))))))))))))')
+define(CFUN,`ifelse(
+$1, term_to_binary_1, hipe_wrapper_$1,
+$1, term_to_binary_2, hipe_wrapper_$1,
+$1, binary_to_term_1, hipe_wrapper_$1,
+$1, binary_to_term_2, hipe_wrapper_$1,
+$1, binary_to_list_1, hipe_wrapper_$1,
+$1, binary_to_list_3, hipe_wrapper_$1,
+$1, bitstring_to_list_1, hipe_wrapper_$1,
+$1, list_to_binary_1, hipe_wrapper_$1,
+$1, iolist_to_binary_1, hipe_wrapper_$1,
+$1, binary_list_to_bin_1, hipe_wrapper_$1,
+$1, list_to_bitstring_1, hipe_wrapper_$1,
+$1, send_2, hipe_wrapper_$1,
+$1, send_3, hipe_wrapper_$1,
+$1, ebif_bang_2, hipe_wrapper_$1,
+$1, maps_merge_2, hipe_wrapper_$1,
+$1)')
define(BIF_LIST,`standard_bif_interface_$3(nbif_$4, CFUN($4))')
include(TARGET/`erl_bif_list.h')
diff --git a/erts/emulator/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c
index b036b20b7b..8d7da3e47e 100644
--- a/erts/emulator/sys/unix/sys.c
+++ b/erts/emulator/sys/unix/sys.c
@@ -2527,7 +2527,7 @@ fd_async(void *async_data)
SysIOVec *iov0;
SysIOVec *iov;
int iovlen;
- int err;
+ int err = 0;
/* much of this code is stolen from efile_drv:invoke_writev */
driver_pdl_lock(dd->blocking->pdl);
iov0 = driver_peekq(dd->port_num, &iovlen);
@@ -2542,8 +2542,11 @@ fd_async(void *async_data)
memcpy(iov,iov0,iovlen*sizeof(SysIOVec));
driver_pdl_unlock(dd->blocking->pdl);
- res = writev(dd->ofd, iov, iovlen);
- err = errno;
+ do {
+ res = writev(dd->ofd, iov, iovlen);
+ } while (res < 0 && errno == EINTR);
+ if (res < 0)
+ err = errno;
erts_free(ERTS_ALC_T_SYS_WRITE_BUF, iov);
}
@@ -2582,7 +2585,12 @@ void fd_ready_async(ErlDrvData drv_data,
return /* 0; */;
}
} else if (dd->blocking->res < 0) {
- driver_failure_posix(port_num, dd->blocking->err);
+ if (dd->blocking->err == ERRNO_BLOCK) {
+ set_busy_port(port_num, 1);
+ /* still data left to write in queue */
+ driver_async(port_num, &dd->blocking->pkey, fd_async, dd, NULL);
+ } else
+ driver_failure_posix(port_num, dd->blocking->err);
return; /* -1; */
}
return; /* 0; */
diff --git a/erts/emulator/test/erts_debug_SUITE.erl b/erts/emulator/test/erts_debug_SUITE.erl
index 3dd77eb920..35677f9953 100644
--- a/erts/emulator/test/erts_debug_SUITE.erl
+++ b/erts/emulator/test/erts_debug_SUITE.erl
@@ -139,23 +139,48 @@ flat_size_big_1(Term, Size0, Limit) when Size0 < Limit ->
flat_size_big_1(_, _, _) -> ok.
df(Config) when is_list(Config) ->
- ?line P0 = pps(),
- ?line PrivDir = ?config(priv_dir, Config),
- ?line ok = file:set_cwd(PrivDir),
- ?line erts_debug:df(?MODULE),
- ?line Beam = filename:join(PrivDir, ?MODULE_STRING++".dis"),
- ?line {ok,Bin} = file:read_file(Beam),
- ?line ok = io:put_chars(binary_to_list(Bin)),
- ?line ok = file:delete(Beam),
- ?line true = (P0 == pps()),
+ P0 = pps(),
+ PrivDir = ?config(priv_dir, Config),
+ ok = file:set_cwd(PrivDir),
+
+ AllLoaded = [M || {M,_} <- code:all_loaded()],
+ {Pid,Ref} = spawn_monitor(fun() -> df_smoke(AllLoaded) end),
+ receive
+ {'DOWN',Ref,process,Pid,Status} ->
+ normal = Status
+ after 20*1000 ->
+ %% Not finished (i.e. a slow computer). Stop now.
+ Pid ! stop,
+ receive
+ {'DOWN',Ref,process,Pid,Status} ->
+ normal = Status,
+ io:format("...")
+ end
+ end,
+ io:nl(),
+ _ = [_ = file:delete(atom_to_list(M) ++ ".dis") ||
+ M <- AllLoaded],
+
+ true = (P0 == pps()),
ok.
+df_smoke([M|Ms]) ->
+ io:format("~p", [M]),
+ erts_debug:df(M),
+ receive
+ stop ->
+ ok
+ after 0 ->
+ df_smoke(Ms)
+ end;
+df_smoke([]) -> ok.
+
pps() ->
{erlang:ports()}.
instructions(Config) when is_list(Config) ->
- ?line Is = erts_debug:instructions(),
- ?line _ = [list_to_atom(I) || I <- Is],
+ Is = erts_debug:instructions(),
+ _ = [list_to_atom(I) || I <- Is],
ok.
id(I) ->
diff --git a/erts/emulator/test/map_SUITE.erl b/erts/emulator/test/map_SUITE.erl
index 1a89101916..886ae7d516 100644
--- a/erts/emulator/test/map_SUITE.erl
+++ b/erts/emulator/test/map_SUITE.erl
@@ -2391,6 +2391,9 @@ check_keys_exist([K|Ks],M) ->
check_keys_exist(Ks,M).
t_bif_merge_and_check(Config) when is_list(Config) ->
+
+ io:format("rand:export_seed() -> ~p\n",[rand:export_seed()]),
+
%% simple disjunct ones
%% make sure all keys are unique
Kss = [[a,b,c,d],
@@ -2438,8 +2441,49 @@ t_bif_merge_and_check(Config) when is_list(Config) ->
M41 = maps:merge(M4,M1),
ok = check_key_values(KVs1 ++ [{d,5}] ++ KVs, M41),
+ [begin Ma = random_map(SzA, a),
+ Mb = random_map(SzB, b),
+ ok = merge_maps(Ma, Mb)
+ end || SzA <- [3,10,20,100,200,1000], SzB <- [3,10,20,100,200,1000]],
+
ok.
+% Generate random map with an average of Sz number of pairs: K -> {V,K}
+random_map(Sz, V) ->
+ random_map_insert(#{}, 0, V, Sz*2).
+
+random_map_insert(M0, K0, _, Sz) when K0 > Sz ->
+ M0;
+random_map_insert(M0, K0, V, Sz) ->
+ Key = K0 + rand:uniform(3),
+ random_map_insert(M0#{Key => {V,Key}}, Key, V, Sz).
+
+
+merge_maps(A, B) ->
+ AB = maps:merge(A, B),
+ %%io:format("A=~p\nB=~p\n",[A,B]),
+ maps_foreach(fun(K,VB) -> VB = maps:get(K, AB)
+ end, B),
+ maps_foreach(fun(K,VA) ->
+ case {maps:get(K, AB),maps:find(K, B)} of
+ {VA, error} -> ok;
+ {VB, {ok, VB}} -> ok
+ end
+ end, A),
+
+ maps_foreach(fun(K,V) ->
+ case {maps:find(K, A),maps:find(K, B)} of
+ {{ok, V}, error} -> ok;
+ {error, {ok, V}} -> ok;
+ {{ok,_}, {ok, V}} -> ok
+ end
+ end, AB),
+ ok.
+
+maps_foreach(Fun, Map) ->
+ maps:fold(fun(K,V,_) -> Fun(K,V) end, void, Map).
+
+
check_key_values([],_) -> ok;
check_key_values([{K,V}|KVs],M) ->
V = maps:get(K,M),
diff --git a/erts/vsn.mk b/erts/vsn.mk
index 478f581f13..38b9a13e63 100644
--- a/erts/vsn.mk
+++ b/erts/vsn.mk
@@ -18,7 +18,7 @@
# %CopyrightEnd%
#
-VSN = 7.0.2
+VSN = 7.0.3
# Port number 4365 in 4.2
# Port number 4366 in 4.3
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 20:09:30 +0000