aboutsummaryrefslogtreecommitdiffstats
path: root/erts/emulator/beam/utils.c
diff options
context:
space:
mode:
Diffstat (limited to 'erts/emulator/beam/utils.c')
-rw-r--r--erts/emulator/beam/utils.c292
1 files changed, 105 insertions, 187 deletions
diff --git a/erts/emulator/beam/utils.c b/erts/emulator/beam/utils.c
index 5fc42f231a..08f8ca9788 100644
--- a/erts/emulator/beam/utils.c
+++ b/erts/emulator/beam/utils.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 1996-2017. All Rights Reserved.
+ * Copyright Ericsson AB 1996-2018. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -43,7 +43,6 @@
#include "erl_printf.h"
#include "erl_threads.h"
#include "erl_lock_count.h"
-#include "erl_smp.h"
#include "erl_time.h"
#include "erl_thr_progress.h"
#include "erl_thr_queue.h"
@@ -60,6 +59,7 @@
#endif
#define ERTS_WANT_NFUNC_SCHED_INTERNALS__
#include "erl_nfunc_sched.h"
+#include "erl_proc_sig_queue.h"
#undef M_TRIM_THRESHOLD
#undef M_TOP_PAD
@@ -140,7 +140,7 @@ Eterm*
erts_set_hole_marker(Eterm* ptr, Uint sz)
{
Eterm* p = ptr;
- int i;
+ Uint i;
for (i = 0; i < sz; i++) {
*p++ = ERTS_HOLE_MARKER;
@@ -1924,184 +1924,164 @@ make_internal_hash(Eterm term, Uint32 salt)
#undef HCONST
#undef MIX
+/* error_logger !
+ {log, Level, format, [args], #{ gl, pid, time, error_logger => #{tag, emulator => true} }}
+*/
static Eterm
-do_allocate_logger_message(Eterm gleader, Eterm **hp, ErlOffHeap **ohp,
- ErlHeapFragment **bp, Process **p, Uint sz)
+do_allocate_logger_message(Eterm gleader, ErtsMonotonicTime *ts, Eterm *pid,
+ Eterm **hp, ErlOffHeap **ohp,
+ ErlHeapFragment **bp, Uint sz)
{
Uint gl_sz;
gl_sz = IS_CONST(gleader) ? 0 : size_object(gleader);
- sz = sz + gl_sz;
+ sz = sz + gl_sz + 6 /*outer 5-tuple*/
+ + MAP2_SZ /* error_logger map */;
+
+ *pid = erts_get_current_pid();
-#ifndef ERTS_SMP
-#ifdef USE_THREADS
- if (!erts_get_scheduler_data()) /* Must be scheduler thread */
- *p = NULL;
+ if (is_nil(gleader) && is_non_value(*pid)) {
+ sz += MAP2_SZ /* metadata map no gl, no pid */;
+ } else if (is_nil(gleader) || is_non_value(*pid))
+ sz += MAP3_SZ /* metadata map no gl or no pid*/;
else
-#endif
- {
- *p = erts_whereis_process(NULL, 0, am_error_logger, 0, 0);
- if (*p) {
- erts_aint32_t state = erts_smp_atomic32_read_acqb(&(*p)->state);
- if (state & (ERTS_PSFLG_RUNNING|ERTS_PSFLG_RUNNING_SYS))
- *p = NULL;
- }
- }
+ sz += MAP4_SZ /* metadata map w gl w pid*/;
- if (!*p) {
- return NIL;
- }
+ *ts = ERTS_MONOTONIC_TO_USEC(erts_get_monotonic_time(NULL) + erts_get_time_offset());
+ erts_bld_sint64(NULL, &sz, *ts);
- /* So we have an error logger, lets build the message */
-#endif
*bp = new_message_buffer(sz);
*ohp = &(*bp)->off_heap;
*hp = (*bp)->mem;
- return (is_nil(gleader)
- ? am_noproc
- : (IS_CONST(gleader)
- ? gleader
- : copy_struct(gleader,gl_sz,hp,*ohp)));
+ return copy_struct(gleader,gl_sz,hp,*ohp);
}
-static void do_send_logger_message(Eterm *hp, ErlOffHeap *ohp, ErlHeapFragment *bp,
- Process *p, Eterm message)
+static void do_send_logger_message(Eterm gl, Eterm tag, Eterm format, Eterm args,
+ ErtsMonotonicTime ts, Eterm pid,
+ Eterm *hp, ErlHeapFragment *bp)
{
-#ifdef HARDDEBUG
- erts_fprintf(stderr, "%T\n", message);
-#endif
-#ifdef ERTS_SMP
- {
- Eterm from = erts_get_current_pid();
- if (is_not_internal_pid(from))
- from = NIL;
- erts_queue_error_logger_message(from, message, bp);
+ Eterm message, md, el_tag = tag;
+ Eterm time = erts_bld_sint64(&hp, NULL, ts);
+
+ /* This mapping is needed for the backwards compatible error_logger */
+ switch (tag) {
+ case am_info: el_tag = am_info_msg; break;
+ case am_warning: el_tag = am_warning_msg; break;
+ default:
+ ASSERT(am_error);
+ break;
}
-#else
- {
- ErtsMessage *mp = erts_alloc_message(0, NULL);
- mp->data.heap_frag = bp;
- erts_queue_message(p, 0, mp, message, am_system);
+
+ md = MAP2(hp, am_emulator, am_true, ERTS_MAKE_AM("tag"), el_tag);
+ hp += MAP2_SZ;
+
+ if (is_nil(gl) && is_non_value(pid)) {
+ /* no gl and no pid, probably from a port */
+ md = MAP2(hp,
+ am_error_logger, md,
+ am_time, time);
+ hp += MAP2_SZ;
+ pid = NIL;
+ } else if (is_nil(gl)) {
+ /* no gl */
+ md = MAP3(hp,
+ am_error_logger, md,
+ am_pid, pid,
+ am_time, time);
+ hp += MAP3_SZ;
+ } else if (is_non_value(pid)) {
+ /* no gl */
+ md = MAP3(hp,
+ am_error_logger, md,
+ ERTS_MAKE_AM("gl"), gl,
+ am_time, time);
+ hp += MAP3_SZ;
+ pid = NIL;
+ } else {
+ md = MAP4(hp,
+ am_error_logger, md,
+ ERTS_MAKE_AM("gl"), gl,
+ am_pid, pid,
+ am_time, time);
+ hp += MAP4_SZ;
}
-#endif
+
+ message = TUPLE5(hp, am_log, tag, format, args, md);
+ erts_queue_error_logger_message(pid, message, bp);
}
-/* error_logger !
- {notify,{info_msg,gleader,{emulator,format,[args]}}} |
- {notify,{error,gleader,{emulator,format,[args]}}} |
- {notify,{warning_msg,gleader,{emulator,format,[args}]}} */
-static int do_send_to_logger(Eterm tag, Eterm gleader, char *buf, int len)
+static int do_send_to_logger(Eterm tag, Eterm gl, char *buf, size_t len)
{
Uint sz;
- Eterm gl;
- Eterm list,args,format,tuple1,tuple2,tuple3;
+ Eterm list, args, format, pid;
+ ErtsMonotonicTime ts;
Eterm *hp = NULL;
ErlOffHeap *ohp = NULL;
ErlHeapFragment *bp = NULL;
- Process *p = NULL;
-
- ASSERT(is_atom(tag));
-
- if (len <= 0) {
- return -1;
- }
sz = len * 2 /* message list */ + 2 /* cons surrounding message list */
- + 3 /*outer 2-tuple*/ + 4 /* middle 3-tuple */ + 4 /*inner 3-tuple */
+ 8 /* "~s~n" */;
/* gleader size is accounted and allocated next */
- gl = do_allocate_logger_message(gleader, &hp, &ohp, &bp, &p, sz);
-
- if(is_nil(gl)) {
- /* buf *always* points to a null terminated string */
- erts_fprintf(stderr, "(no error logger present) %T: \"%s\"\n",
- tag, buf);
- return 0;
- }
+ gl = do_allocate_logger_message(gl, &ts, &pid, &hp, &ohp, &bp, sz);
list = buf_to_intlist(&hp, buf, len, NIL);
args = CONS(hp,list,NIL);
hp += 2;
format = buf_to_intlist(&hp, "~s~n", 4, NIL);
- tuple1 = TUPLE3(hp, am_emulator, format, args);
- hp += 4;
- tuple2 = TUPLE3(hp, tag, gl, tuple1);
- hp += 4;
- tuple3 = TUPLE2(hp, am_notify, tuple2);
- do_send_logger_message(hp, ohp, bp, p, tuple3);
+ do_send_logger_message(gl, tag, format, args, ts, pid, hp, bp);
return 0;
}
-static int do_send_term_to_logger(Eterm tag, Eterm gleader,
- char *buf, int len, Eterm args)
+static int do_send_term_to_logger(Eterm tag, Eterm gl,
+ char *buf, size_t len, Eterm args)
{
Uint sz;
- Eterm gl;
Uint args_sz;
- Eterm format,tuple1,tuple2,tuple3;
+ Eterm format, pid;
+ ErtsMonotonicTime ts;
Eterm *hp = NULL;
ErlOffHeap *ohp = NULL;
ErlHeapFragment *bp = NULL;
- Process *p = NULL;
- ASSERT(is_atom(tag));
+ ASSERT(len > 0);
args_sz = size_object(args);
- sz = len * 2 /* format */ + args_sz
- + 3 /*outer 2-tuple*/ + 4 /* middle 3-tuple */ + 4 /*inner 3-tuple */;
+ sz = len * 2 /* format */ + args_sz;
/* gleader size is accounted and allocated next */
- gl = do_allocate_logger_message(gleader, &hp, &ohp, &bp, &p, sz);
-
- if(is_nil(gl)) {
- /* buf *always* points to a null terminated string */
- erts_fprintf(stderr, "(no error logger present) %T: \"%s\" %T\n",
- tag, buf, args);
- return 0;
- }
+ gl = do_allocate_logger_message(gl, &ts, &pid, &hp, &ohp, &bp, sz);
format = buf_to_intlist(&hp, buf, len, NIL);
args = copy_struct(args, args_sz, &hp, ohp);
- tuple1 = TUPLE3(hp, am_emulator, format, args);
- hp += 4;
- tuple2 = TUPLE3(hp, tag, gl, tuple1);
- hp += 4;
- tuple3 = TUPLE2(hp, am_notify, tuple2);
- do_send_logger_message(hp, ohp, bp, p, tuple3);
+ do_send_logger_message(gl, tag, format, args, ts, pid, hp, bp);
return 0;
}
static ERTS_INLINE int
-send_info_to_logger(Eterm gleader, char *buf, int len)
+send_info_to_logger(Eterm gleader, char *buf, size_t len)
{
- return do_send_to_logger(am_info_msg, gleader, buf, len);
+ return do_send_to_logger(am_info, gleader, buf, len);
}
static ERTS_INLINE int
-send_warning_to_logger(Eterm gleader, char *buf, int len)
+send_warning_to_logger(Eterm gleader, char *buf, size_t len)
{
- Eterm tag;
- switch (erts_error_logger_warnings) {
- case am_info: tag = am_info_msg; break;
- case am_warning: tag = am_warning_msg; break;
- default: tag = am_error; break;
- }
- return do_send_to_logger(tag, gleader, buf, len);
+ return do_send_to_logger(erts_error_logger_warnings, gleader, buf, len);
}
static ERTS_INLINE int
-send_error_to_logger(Eterm gleader, char *buf, int len)
+send_error_to_logger(Eterm gleader, char *buf, size_t len)
{
return do_send_to_logger(am_error, gleader, buf, len);
}
static ERTS_INLINE int
-send_error_term_to_logger(Eterm gleader, char *buf, int len, Eterm args)
+send_error_term_to_logger(Eterm gleader, char *buf, size_t len, Eterm args)
{
return do_send_term_to_logger(am_error, gleader, buf, len, args);
}
@@ -3182,6 +3162,9 @@ tailrecur_ne:
int cmp;
byte* a_ptr;
byte* b_ptr;
+ if (eq_only && a_size != b_size) {
+ RETURN_NEQ(a_size - b_size);
+ }
ERTS_GET_BINARY_BYTES(a, a_ptr, a_bitoffs, a_bitsize);
ERTS_GET_BINARY_BYTES(b, b_ptr, b_bitoffs, b_bitsize);
if ((a_bitsize | b_bitsize | a_bitoffs | b_bitoffs) == 0) {
@@ -3557,7 +3540,7 @@ store_external_or_ref_(Uint **hpp, ErlOffHeap* oh, Eterm ns)
if (is_external_header(*from_hp)) {
ExternalThing *etp = (ExternalThing *) from_hp;
ASSERT(is_external(ns));
- erts_smp_refc_inc(&etp->node->refc, 2);
+ erts_refc_inc(&etp->node->refc, 2);
}
else if (is_ordinary_ref_thing(from_hp))
return make_internal_ref(to_hp);
@@ -4390,15 +4373,20 @@ erts_read_env(char *key)
char *value = erts_alloc(ERTS_ALC_T_TMP, value_len);
int res;
while (1) {
- res = erts_sys_getenv_raw(key, value, &value_len);
- if (res <= 0)
- break;
- value = erts_realloc(ERTS_ALC_T_TMP, value, value_len);
+ res = erts_sys_explicit_8bit_getenv(key, value, &value_len);
+
+ if (res >= 0) {
+ break;
+ }
+
+ value = erts_realloc(ERTS_ALC_T_TMP, value, value_len);
}
- if (res != 0) {
- erts_free(ERTS_ALC_T_TMP, value);
- return NULL;
+
+ if (res != 1) {
+ erts_free(ERTS_ALC_T_TMP, value);
+ return NULL;
}
+
return value;
}
@@ -4712,22 +4700,6 @@ void
erts_interval_init(erts_interval_t *icp)
{
erts_atomic64_init_nob(&icp->counter.atomic, 0);
-#ifdef DEBUG
- icp->smp_api = 0;
-#endif
-}
-
-void
-erts_smp_interval_init(erts_interval_t *icp)
-{
-#ifdef ERTS_SMP
- erts_interval_init(icp);
-#else
- icp->counter.not_atomic = 0;
-#endif
-#ifdef DEBUG
- icp->smp_api = 1;
-#endif
}
static ERTS_INLINE Uint64
@@ -4767,79 +4739,25 @@ ensure_later_interval_acqb(erts_interval_t *icp, Uint64 ic)
Uint64
erts_step_interval_nob(erts_interval_t *icp)
{
- ASSERT(!icp->smp_api);
return step_interval_nob(icp);
}
Uint64
erts_step_interval_relb(erts_interval_t *icp)
{
- ASSERT(!icp->smp_api);
- return step_interval_relb(icp);
-}
-
-Uint64
-erts_smp_step_interval_nob(erts_interval_t *icp)
-{
- ASSERT(icp->smp_api);
-#ifdef ERTS_SMP
- return step_interval_nob(icp);
-#else
- return ++icp->counter.not_atomic;
-#endif
-}
-
-Uint64
-erts_smp_step_interval_relb(erts_interval_t *icp)
-{
- ASSERT(icp->smp_api);
-#ifdef ERTS_SMP
return step_interval_relb(icp);
-#else
- return ++icp->counter.not_atomic;
-#endif
}
Uint64
erts_ensure_later_interval_nob(erts_interval_t *icp, Uint64 ic)
{
- ASSERT(!icp->smp_api);
return ensure_later_interval_nob(icp, ic);
}
Uint64
erts_ensure_later_interval_acqb(erts_interval_t *icp, Uint64 ic)
{
- ASSERT(!icp->smp_api);
- return ensure_later_interval_acqb(icp, ic);
-}
-
-Uint64
-erts_smp_ensure_later_interval_nob(erts_interval_t *icp, Uint64 ic)
-{
- ASSERT(icp->smp_api);
-#ifdef ERTS_SMP
- return ensure_later_interval_nob(icp, ic);
-#else
- if (icp->counter.not_atomic > ic)
- return icp->counter.not_atomic;
- else
- return ++icp->counter.not_atomic;
-#endif
-}
-
-Uint64
-erts_smp_ensure_later_interval_acqb(erts_interval_t *icp, Uint64 ic)
-{
- ASSERT(icp->smp_api);
-#ifdef ERTS_SMP
return ensure_later_interval_acqb(icp, ic);
-#else
- if (icp->counter.not_atomic > ic)
- return icp->counter.not_atomic;
- else
- return ++icp->counter.not_atomic;
-#endif
}
/*
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 04:44:55 +0000