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-rw-r--r--erts/emulator/sys/unix/sys.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/erts/emulator/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c
index 4b2edace0a..789b455f2d 100644
--- a/erts/emulator/sys/unix/sys.c
+++ b/erts/emulator/sys/unix/sys.c
@@ -161,6 +161,7 @@ int erts_use_kernel_poll = 0;
struct {
int (*select)(ErlDrvPort, ErlDrvEvent, int, int);
+ int (*enif_select)(ErlNifEnv*, ErlNifEvent, enum ErlNifSelectFlags, void*, Eterm);
int (*event)(ErlDrvPort, ErlDrvEvent, ErlDrvEventData);
void (*check_io_as_interrupt)(void);
void (*check_io_interrupt)(int);
@@ -184,6 +185,13 @@ driver_event(ErlDrvPort port, ErlDrvEvent event, ErlDrvEventData event_data)
return (*io_func.event)(port, event, event_data);
}
+int enif_select(ErlNifEnv* env, ErlNifEvent event,
+ enum ErlNifSelectFlags flags, void* obj, Eterm ref)
+{
+ return (*io_func.enif_select)(env, event, flags, obj, ref);
+}
+
+
Eterm erts_check_io_info(void *p)
{
return (*io_func.info)(p);
@@ -201,6 +209,7 @@ init_check_io(void)
{
if (erts_use_kernel_poll) {
io_func.select = driver_select_kp;
+ io_func.enif_select = enif_select_kp;
io_func.event = driver_event_kp;
#ifdef ERTS_POLL_NEED_ASYNC_INTERRUPT_SUPPORT
io_func.check_io_as_interrupt = erts_check_io_async_sig_interrupt_kp;
@@ -216,6 +225,7 @@ init_check_io(void)
}
else {
io_func.select = driver_select_nkp;
+ io_func.enif_select = enif_select_nkp;
io_func.event = driver_event_nkp;
#ifdef ERTS_POLL_NEED_ASYNC_INTERRUPT_SUPPORT
io_func.check_io_as_interrupt = erts_check_io_async_sig_interrupt_nkp;