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Diffstat (limited to 'erts/emulator/beam/bif.c')
-rw-r--r--erts/emulator/beam/bif.c133
1 files changed, 75 insertions, 58 deletions
diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c
index 13d31285b2..b43137597e 100644
--- a/erts/emulator/beam/bif.c
+++ b/erts/emulator/beam/bif.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
@@ -1869,6 +1869,7 @@ do_send(Process *p, Eterm to, Eterm msg, int suspend, Eterm *refp) {
} else if (is_external_pid(to)) {
dep = external_pid_dist_entry(to);
if(dep == erts_this_dist_entry) {
+#if DEBUG
erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf();
erts_dsprintf(dsbufp,
"Discarding message %T from %T to %T in an old "
@@ -1879,6 +1880,7 @@ do_send(Process *p, Eterm to, Eterm msg, int suspend, Eterm *refp) {
external_pid_creation(to),
erts_this_node->creation);
erts_send_error_to_logger(p->group_leader, dsbufp);
+#endif
return 0;
}
return remote_send(p, dep, to, to, msg, suspend);
@@ -1886,8 +1888,13 @@ do_send(Process *p, Eterm to, Eterm msg, int suspend, Eterm *refp) {
Eterm id = erts_whereis_name_to_id(p, to);
rp = erts_proc_lookup(id);
- if (rp)
+ if (rp) {
+ if (IS_TRACED(p))
+ trace_send(p, to, msg);
+ if (ERTS_PROC_GET_SAVED_CALLS_BUF(p))
+ save_calls(p, &exp_send);
goto send_message;
+ }
pt = erts_port_lookup(id,
(erts_port_synchronous_ops
@@ -1907,6 +1914,7 @@ do_send(Process *p, Eterm to, Eterm msg, int suspend, Eterm *refp) {
} else if (is_external_port(to)
&& (external_port_dist_entry(to)
== erts_this_dist_entry)) {
+#if DEBUG
erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf();
erts_dsprintf(dsbufp,
"Discarding message %T from %T to %T in an old "
@@ -1917,6 +1925,7 @@ do_send(Process *p, Eterm to, Eterm msg, int suspend, Eterm *refp) {
external_port_creation(to),
erts_this_node->creation);
erts_send_error_to_logger(p->group_leader, dsbufp);
+#endif
return 0;
} else if (is_internal_port(to)) {
int ret_val;
@@ -2675,7 +2684,7 @@ BIF_RETTYPE list_to_atom_1(BIF_ALIST_1)
if (i < 0) {
erts_free(ERTS_ALC_T_TMP, (void *) buf);
- i = list_length(BIF_ARG_1);
+ i = erts_list_length(BIF_ARG_1);
if (i > MAX_ATOM_CHARACTERS) {
BIF_ERROR(BIF_P, SYSTEM_LIMIT);
}
@@ -2763,9 +2772,10 @@ static int do_list_to_integer(Process *p, Eterm orig_list,
Eterm *integer, Eterm *rest)
{
Sint i = 0;
+ Uint ui = 0;
int skip = 0;
int neg = 0;
- int n = 0;
+ Sint n = 0;
int m;
int lg2;
Eterm res;
@@ -2816,8 +2826,8 @@ static int do_list_to_integer(Process *p, Eterm orig_list,
unsigned_val(CAR(list_val(lst))) > '9') {
break;
}
- i = i * 10;
- i = i + unsigned_val(CAR(list_val(lst))) - '0';
+ ui = ui * 10;
+ ui = ui + unsigned_val(CAR(list_val(lst))) - '0';
n++;
lst = CDR(list_val(lst));
if (is_nil(lst)) {
@@ -2841,10 +2851,13 @@ static int do_list_to_integer(Process *p, Eterm orig_list,
*/
if (n <= SMALL_DIGITS) { /* It must be small */
- if (neg) i = -i;
+ if (neg) i = -(Sint)ui;
+ else i = (Sint)ui;
res = make_small(i);
} else {
- lg2 = (n+1)*230/69+1;
+ /* Convert from log10 to log2 by multiplying with 1/log10(2)=3.3219
+ which we round up to (3 + 1/3) */
+ lg2 = (n+1)*3 + (n+1)/3 + 1;
m = (lg2+D_EXP-1)/D_EXP; /* number of digits */
m = BIG_NEED_SIZE(m); /* number of words + thing */
@@ -2882,9 +2895,6 @@ static int do_list_to_integer(Process *p, Eterm orig_list,
res = big_plus_small(res, m, hp);
}
- if (is_big(res)) /* check if small */
- res = big_plus_small(res, 0, hp); /* includes conversion to small */
-
if (neg) {
if (is_small(res))
res = make_small(-signed_val(res));
@@ -2894,8 +2904,12 @@ static int do_list_to_integer(Process *p, Eterm orig_list,
}
}
- if (is_big(res)) {
- hp += (big_arity(res)+1);
+ if (is_not_small(res)) {
+ res = big_plus_small(res, 0, hp); /* includes conversion to small */
+
+ if (is_not_small(res)) {
+ hp += (big_arity(res)+1);
+ }
}
HRelease(p,hp_end,hp);
}
@@ -2953,7 +2967,7 @@ BIF_RETTYPE list_to_integer_2(BIF_ALIST_2)
char *buf = NULL;
int base;
- i = list_length(BIF_ARG_1);
+ i = erts_list_length(BIF_ARG_1);
if (i < 0)
BIF_ERROR(BIF_P, BADARG);
@@ -3292,7 +3306,7 @@ BIF_RETTYPE list_to_float_1(BIF_ALIST_1)
Eterm res;
char *buf = NULL;
- i = list_length(BIF_ARG_1);
+ i = erts_list_length(BIF_ARG_1);
if (i < 0)
BIF_ERROR(BIF_P, BADARG);
@@ -3407,7 +3421,7 @@ BIF_RETTYPE list_to_tuple_1(BIF_ALIST_1)
Eterm* hp;
int len;
- if ((len = list_length(list)) < 0 || len > ERTS_MAX_TUPLE_SIZE) {
+ if ((len = erts_list_length(list)) < 0 || len > ERTS_MAX_TUPLE_SIZE) {
BIF_ERROR(BIF_P, BADARG);
}
@@ -3764,45 +3778,6 @@ BIF_RETTYPE now_0(BIF_ALIST_0)
/**********************************************************************/
-BIF_RETTYPE garbage_collect_1(BIF_ALIST_1)
-{
- int reds;
- Process *rp;
-
- if (is_not_pid(BIF_ARG_1)) {
- BIF_ERROR(BIF_P, BADARG);
- }
-
- if (BIF_P->common.id == BIF_ARG_1)
- rp = BIF_P;
- else {
-#ifdef ERTS_SMP
- rp = erts_pid2proc_suspend(BIF_P, ERTS_PROC_LOCK_MAIN,
- BIF_ARG_1, ERTS_PROC_LOCK_MAIN);
- if (rp == ERTS_PROC_LOCK_BUSY)
- ERTS_BIF_YIELD1(bif_export[BIF_garbage_collect_1], BIF_P, BIF_ARG_1);
-#else
- rp = erts_proc_lookup(BIF_ARG_1);
-#endif
- if (!rp)
- BIF_RET(am_false);
- }
-
- /* The GC cost is taken for the process executing this BIF. */
-
- FLAGS(rp) |= F_NEED_FULLSWEEP;
- reds = erts_garbage_collect(rp, 0, rp->arg_reg, rp->arity);
-
-#ifdef ERTS_SMP
- if (BIF_P != rp) {
- erts_resume(rp, ERTS_PROC_LOCK_MAIN);
- erts_smp_proc_unlock(rp, ERTS_PROC_LOCK_MAIN);
- }
-#endif
-
- BIF_RET2(am_true, reds);
-}
-
BIF_RETTYPE garbage_collect_0(BIF_ALIST_0)
{
int reds;
@@ -4372,7 +4347,11 @@ BIF_RETTYPE system_flag_2(BIF_ALIST_2)
switch (erts_set_schedulers_online(BIF_P,
ERTS_PROC_LOCK_MAIN,
signed_val(BIF_ARG_2),
- &old_no)) {
+ &old_no
+#ifdef ERTS_DIRTY_SCHEDULERS
+ , 0
+#endif
+ )) {
case ERTS_SCHDLR_SSPND_DONE:
BIF_RET(make_small(old_no));
case ERTS_SCHDLR_SSPND_YIELD_RESTART:
@@ -4504,6 +4483,33 @@ BIF_RETTYPE system_flag_2(BIF_ALIST_2)
ref,
old ? am_true : am_false);
}
+#if defined(ERTS_SMP) && defined(ERTS_DIRTY_SCHEDULERS)
+ } else if (BIF_ARG_1 == am_dirty_cpu_schedulers_online) {
+ Sint old_no;
+ if (!is_small(BIF_ARG_2))
+ goto error;
+ switch (erts_set_schedulers_online(BIF_P,
+ ERTS_PROC_LOCK_MAIN,
+ signed_val(BIF_ARG_2),
+ &old_no,
+ 1)) {
+ case ERTS_SCHDLR_SSPND_DONE:
+ BIF_RET(make_small(old_no));
+ case ERTS_SCHDLR_SSPND_YIELD_RESTART:
+ ERTS_VBUMP_ALL_REDS(BIF_P);
+ BIF_TRAP2(bif_export[BIF_system_flag_2],
+ BIF_P, BIF_ARG_1, BIF_ARG_2);
+ case ERTS_SCHDLR_SSPND_YIELD_DONE:
+ ERTS_BIF_YIELD_RETURN_X(BIF_P, make_small(old_no),
+ am_dirty_cpu_schedulers_online);
+ case ERTS_SCHDLR_SSPND_EINVAL:
+ goto error;
+ default:
+ ASSERT(0);
+ BIF_ERROR(BIF_P, EXC_INTERNAL_ERROR);
+ break;
+ }
+#endif
} else if (ERTS_IS_ATOM_STR("scheduling_statistics", BIF_ARG_1)) {
int what;
if (ERTS_IS_ATOM_STR("disable", BIF_ARG_2))
@@ -4527,7 +4533,7 @@ BIF_RETTYPE system_flag_2(BIF_ALIST_2)
BIF_P->group_leader,
"A call to erlang:system_flag(cpu_topology, _) was made.\n"
"The cpu_topology argument is deprecated and scheduled\n"
- "for removal in erts-5.10/OTP-R16. For more information\n"
+ "for removal in Erlang/OTP 18. For more information\n"
"see the erlang:system_flag/2 documentation.\n");
BIF_TRAP1(set_cpu_topology_trap, BIF_P, BIF_ARG_2);
} else if (ERTS_IS_ATOM_STR("scheduler_bind_type", BIF_ARG_1)) {
@@ -4535,7 +4541,7 @@ BIF_RETTYPE system_flag_2(BIF_ALIST_2)
BIF_P->group_leader,
"A call to erlang:system_flag(scheduler_bind_type, _) was\n"
"made. The scheduler_bind_type argument is deprecated and\n"
- "scheduled for removal in erts-5.10/OTP-R16. For more\n"
+ "scheduled for removal in Erlang/OTP 18. For more\n"
"information see the erlang:system_flag/2 documentation.\n");
return erts_bind_schedulers(BIF_P, BIF_ARG_2);
}
@@ -4654,6 +4660,17 @@ BIF_RETTYPE bump_reductions_1(BIF_ALIST_1)
BIF_RET2(am_true, reds);
}
+BIF_RETTYPE erts_internal_cmp_term_2(BIF_ALIST_2) {
+ Sint res = CMP_TERM(BIF_ARG_1,BIF_ARG_2);
+
+ /* ensure -1, 0, 1 result */
+ if (res < 0) {
+ BIF_RET(make_small(-1));
+ } else if (res > 0) {
+ BIF_RET(make_small(1));
+ }
+ BIF_RET(make_small(0));
+}
/*
* Processes doing yield on return in a bif ends up in bif_return_trap().
*/
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-07 12:01:38 +0000