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-rw-r--r--erts/emulator/beam/erl_bif_ddll.c57
1 files changed, 32 insertions, 25 deletions
diff --git a/erts/emulator/beam/erl_bif_ddll.c b/erts/emulator/beam/erl_bif_ddll.c
index 28bec6325c..e9bfb39035 100644
--- a/erts/emulator/beam/erl_bif_ddll.c
+++ b/erts/emulator/beam/erl_bif_ddll.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2006-2013. All Rights Reserved.
+ * Copyright Ericsson AB 2006-2017. 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.
@@ -48,6 +48,7 @@
#include "erl_version.h"
#include "erl_bif_unique.h"
#include "dtrace-wrapper.h"
+#include "lttng-wrapper.h"
#ifdef ERTS_SMP
#define DDLL_SMP 1
@@ -1098,7 +1099,7 @@ void erts_ddll_increment_port_count(DE_Handle *dh)
void erts_ddll_decrement_port_count(DE_Handle *dh)
{
assert_drv_list_locked();
-#if DEBUG
+#ifdef DEBUG
ASSERT(erts_smp_atomic32_dec_read_nob(&dh->port_count) >= 0);
#else
erts_smp_atomic32_dec_nob(&dh->port_count);
@@ -1108,25 +1109,25 @@ void erts_ddll_decrement_port_count(DE_Handle *dh)
static void first_ddll_reference(DE_Handle *dh)
{
assert_drv_list_rwlocked();
- erts_refc_init(&(dh->refc),1);
+ erts_smp_refc_init(&(dh->refc),1);
}
void erts_ddll_reference_driver(DE_Handle *dh)
{
assert_drv_list_locked();
- if (erts_refc_inctest(&(dh->refc),1) == 1) {
- erts_refc_inc(&(dh->refc),2); /* add a reference for the scheduled operation */
+ if (erts_smp_refc_inctest(&(dh->refc),1) == 1) {
+ erts_smp_refc_inc(&(dh->refc),2); /* add a reference for the scheduled operation */
}
}
void erts_ddll_reference_referenced_driver(DE_Handle *dh)
{
- erts_refc_inc(&(dh->refc),2);
+ erts_smp_refc_inc(&(dh->refc),2);
}
void erts_ddll_dereference_driver(DE_Handle *dh)
{
- if (erts_refc_dectest(&(dh->refc),0) == 0) {
+ if (erts_smp_refc_dectest(&(dh->refc),0) == 0) {
/* No lock here, but if the driver is referenced again,
the scheduled deletion is added as a reference too, see above */
erts_schedule_misc_op(ddll_no_more_references, (void *) dh);
@@ -1149,11 +1150,11 @@ static void restore_process_references(DE_Handle *dh)
{
DE_ProcEntry *p;
assert_drv_list_rwlocked();
- ASSERT(erts_refc_read(&(dh->refc),0) == 0);
+ ASSERT(erts_smp_refc_read(&(dh->refc),0) == 0);
for(p = dh->procs;p != NULL; p = p->next) {
if (p->awaiting_status == ERL_DE_PROC_LOADED) {
ASSERT(p->flags & ERL_DE_FL_DEREFERENCED);
- erts_refc_inc(&(dh->refc),1);
+ erts_smp_refc_inc(&(dh->refc),1);
p->flags &= ~ERL_DE_FL_DEREFERENCED;
}
}
@@ -1175,9 +1176,9 @@ static void ddll_no_more_references(void *vdh)
lock_drv_list();
- x = erts_refc_read(&(dh->refc),0);
+ x = erts_smp_refc_read(&(dh->refc),0);
if (x > 0) {
- x = erts_refc_dectest(&(dh->refc),0); /* delete the reference added for me */
+ x = erts_smp_refc_dectest(&(dh->refc),0); /* delete the reference added for me */
}
@@ -1309,7 +1310,7 @@ static Eterm notify_when_loaded(Process *p, Eterm name_term, char *name, ErtsPro
case ERL_DE_FORCE_RELOAD:
break;
default:
- erl_exit(1,"Internal error, unknown state %u in dynamic driver.", drv->handle->status);
+ erts_exit(ERTS_ERROR_EXIT,"Internal error, unknown state %u in dynamic driver.", drv->handle->status);
}
p->flags |= F_USING_DDLL;
r = add_monitor(p, drv->handle, ERL_DE_PROC_AWAIT_LOAD);
@@ -1475,8 +1476,10 @@ static void add_proc_loaded_deref(DE_Handle *dh, Process *proc)
static Eterm copy_ref(Eterm ref, Eterm *hp)
{
- RefThing *ptr = ref_thing_ptr(ref);
- memcpy(hp, ptr, sizeof(RefThing));
+ ErtsORefThing *ptr;
+ ASSERT(is_internal_ordinary_ref(ref));
+ ptr = ordinary_ref_thing_ptr(ref);
+ memcpy(hp, ptr, sizeof(ErtsORefThing));
return (make_internal_ref(hp));
}
@@ -1619,6 +1622,7 @@ static int do_unload_driver_entry(DE_Handle *dh, Eterm *save_name)
if (q->finish) {
int fpe_was_unmasked = erts_block_fpe();
DTRACE1(driver_finish, q->name);
+ LTTNG1(driver_finish, q->name);
(*(q->finish))();
erts_unblock_fpe(fpe_was_unmasked);
}
@@ -1641,7 +1645,7 @@ static int load_driver_entry(DE_Handle **dhp, char *path, char *name)
dh->handle = NULL;
dh->procs = NULL;
erts_smp_atomic32_init_nob(&dh->port_count, 0);
- erts_refc_init(&(dh->refc), (erts_aint_t) 0);
+ erts_smp_refc_init(&(dh->refc), (erts_aint_t) 0);
dh->status = -1;
dh->reload_full_path = NULL;
dh->reload_driver_name = NULL;
@@ -1679,7 +1683,7 @@ static int reload_driver_entry(DE_Handle *dh)
dh->reload_full_path = NULL;
dh->reload_driver_name = NULL;
- ASSERT(erts_refc_read(&(dh->refc),0) == 0);
+ ASSERT(erts_smp_refc_read(&(dh->refc),0) == 0);
ASSERT(dh->full_path != NULL);
erts_free(ERTS_ALC_T_DDLL_HANDLE, (void *) dh->full_path);
dh->full_path = NULL;
@@ -1707,32 +1711,35 @@ static void notify_proc(Process *proc, Eterm ref, Eterm driver_name, Eterm type,
Eterm mess;
Eterm r;
Eterm *hp;
- ErlHeapFragment *bp;
- ErlOffHeap *ohp;
+ ErtsMessage *mp;
ErtsProcLocks rp_locks = 0;
+ ErlOffHeap *ohp;
ERTS_SMP_CHK_NO_PROC_LOCKS;
assert_drv_list_rwlocked();
if (errcode != 0) {
int need = load_error_need(errcode);
Eterm e;
- hp = erts_alloc_message_heap(6 /* tuple */ + 3 /* Error tuple */ +
- REF_THING_SIZE + need, &bp, &ohp,
- proc, &rp_locks);
+ mp = erts_alloc_message_heap(proc, &rp_locks,
+ (6 /* tuple */ + 3 /* Error tuple */ +
+ ERTS_REF_THING_SIZE + need),
+ &hp, &ohp);
r = copy_ref(ref,hp);
- hp += REF_THING_SIZE;
+ hp += ERTS_REF_THING_SIZE;
e = build_load_error_hp(hp, errcode);
hp += need;
mess = TUPLE2(hp,tag,e);
hp += 3;
mess = TUPLE5(hp,type,r,am_driver,driver_name,mess);
} else {
- hp = erts_alloc_message_heap(6 /* tuple */ + REF_THING_SIZE, &bp, &ohp, proc, &rp_locks);
+ mp = erts_alloc_message_heap(proc, &rp_locks,
+ 6 /* tuple */ + ERTS_REF_THING_SIZE,
+ &hp, &ohp);
r = copy_ref(ref,hp);
- hp += REF_THING_SIZE;
+ hp += ERTS_REF_THING_SIZE;
mess = TUPLE5(hp,type,r,am_driver,driver_name,tag);
}
- erts_queue_message(proc, &rp_locks, bp, mess, am_undefined);
+ erts_queue_message(proc, rp_locks, mp, mess, am_system);
erts_smp_proc_unlock(proc, rp_locks);
ERTS_SMP_CHK_NO_PROC_LOCKS;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-21 23:21:04 +0000