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-rw-r--r--erts/emulator/beam/io.c35
1 files changed, 3 insertions, 32 deletions
diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c
index d754fc634e..fdd26fcc4b 100644
--- a/erts/emulator/beam/io.c
+++ b/erts/emulator/beam/io.c
@@ -6787,7 +6787,7 @@ int driver_monitor_process(ErlDrvPort drvport,
{
Port *prt;
int ret;
-#if !HEAP_ON_C_STACK || (defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_CHECK))
+#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_CHECK)
ErtsSchedulerData *sched = erts_get_scheduler_data();
#endif
@@ -6798,16 +6798,6 @@ int driver_monitor_process(ErlDrvPort drvport,
/* Now (in SMP) we should have either the port lock (if we have a scheduler) or the port data lock
(if we're a driver thread) */
ERTS_SMP_LC_ASSERT((sched != NULL || prt->port_data_lock));
-
-#if !HEAP_ON_C_STACK
- if (!sched) {
- /* Need a separate allocation for the ref :( */
- Eterm *buf = erts_alloc(ERTS_ALC_T_TEMP_TERM,
- sizeof(Eterm)*REF_THING_SIZE);
- ret = do_driver_monitor_process(prt,buf,process,monitor);
- erts_free(ERTS_ALC_T_TEMP_TERM,buf);
- } else
-#endif
{
DeclareTmpHeapNoproc(buf,REF_THING_SIZE);
UseTmpHeapNoproc(REF_THING_SIZE);
@@ -6860,7 +6850,7 @@ int driver_demonitor_process(ErlDrvPort drvport,
{
Port *prt;
int ret;
-#if !HEAP_ON_C_STACK || (defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_CHECK))
+#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_CHECK)
ErtsSchedulerData *sched = erts_get_scheduler_data();
#endif
@@ -6871,15 +6861,6 @@ int driver_demonitor_process(ErlDrvPort drvport,
/* Now we should have either the port lock (if we have a scheduler) or the port data lock
(if we're a driver thread) */
ERTS_SMP_LC_ASSERT((sched != NULL || prt->port_data_lock));
-#if !HEAP_ON_C_STACK
- if (!sched) {
- /* Need a separate allocation for the ref :( */
- Eterm *buf = erts_alloc(ERTS_ALC_T_TEMP_TERM,
- sizeof(Eterm)*REF_THING_SIZE);
- ret = do_driver_demonitor_process(prt,buf,monitor);
- erts_free(ERTS_ALC_T_TEMP_TERM,buf);
- } else
-#endif
{
DeclareTmpHeapNoproc(buf,REF_THING_SIZE);
UseTmpHeapNoproc(REF_THING_SIZE);
@@ -6915,7 +6896,7 @@ ErlDrvTermData driver_get_monitored_process(ErlDrvPort drvport,
{
Port *prt;
ErlDrvTermData ret;
-#if !HEAP_ON_C_STACK || (defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_CHECK))
+#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_CHECK)
ErtsSchedulerData *sched = erts_get_scheduler_data();
#endif
@@ -6926,16 +6907,6 @@ ErlDrvTermData driver_get_monitored_process(ErlDrvPort drvport,
/* Now we should have either the port lock (if we have a scheduler) or the port data lock
(if we're a driver thread) */
ERTS_SMP_LC_ASSERT((sched != NULL || prt->port_data_lock));
-
-#if !HEAP_ON_C_STACK
- if (!sched) {
- /* Need a separate allocation for the ref :( */
- Eterm *buf = erts_alloc(ERTS_ALC_T_TEMP_TERM,
- sizeof(Eterm)*REF_THING_SIZE);
- ret = do_driver_get_monitored_process(prt,buf,monitor);
- erts_free(ERTS_ALC_T_TEMP_TERM,buf);
- } else
-#endif
{
DeclareTmpHeapNoproc(buf,REF_THING_SIZE);
UseTmpHeapNoproc(REF_THING_SIZE);