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-rw-r--r--erts/emulator/sys/common/erl_check_io.c14
-rw-r--r--erts/emulator/sys/common/erl_check_io.h4
-rw-r--r--erts/emulator/sys/unix/sys.c2
3 files changed, 12 insertions, 8 deletions
diff --git a/erts/emulator/sys/common/erl_check_io.c b/erts/emulator/sys/common/erl_check_io.c
index 089f10fd8e..2964b09b8c 100644
--- a/erts/emulator/sys/common/erl_check_io.c
+++ b/erts/emulator/sys/common/erl_check_io.c
@@ -1198,7 +1198,7 @@ done_unknown:
return ret;
}
-enum ErlNifSelectReturn
+int
ERTS_CIO_EXPORT(enif_select)(ErlNifEnv* env,
ErlNifEvent e,
enum ErlNifSelectFlags mode,
@@ -1213,7 +1213,7 @@ ERTS_CIO_EXPORT(enif_select)(ErlNifEnv* env,
ErtsPollEvents new_events, old_events;
ErtsDrvEventState *state;
int wake_poller;
- enum ErlNifSelectReturn ret;
+ int ret;
enum { NO_STOP=0, CALL_STOP, CALL_STOP_AND_RELEASE } call_stop = NO_STOP;
#if ERTS_CIO_HAVE_DRV_EVENT
ErtsDrvEventDataState *free_event = NULL;
@@ -1229,11 +1229,11 @@ ERTS_CIO_EXPORT(enif_select)(ErlNifEnv* env,
#ifdef ERTS_SYS_CONTINOUS_FD_NUMBERS
if ((unsigned)fd >= (unsigned)erts_smp_atomic_read_nob(&drv_ev_state_len)) {
if (fd < 0) {
- return ERL_NIF_SELECT_ERROR | ERL_NIF_SELECT_INVALID_EVENT;
+ return INT_MIN | ERL_NIF_SELECT_INVALID_EVENT;
}
if (fd >= max_fds) {
nif_select_large_fd_error(fd, mode, resource, ref);
- return ERL_NIF_SELECT_ERROR | ERL_NIF_SELECT_INVALID_EVENT;
+ return INT_MIN | ERL_NIF_SELECT_INVALID_EVENT;
}
grow_drv_ev_state(fd);
}
@@ -1327,7 +1327,7 @@ ERTS_CIO_EXPORT(enif_select)(ErlNifEnv* env,
state->driver.nif->out.ddeselect_cnt = 0;
state->driver.stop.resource = NULL;
}
- ret = ERL_NIF_SELECT_ERROR | ERL_NIF_SELECT_FAILED;
+ ret = INT_MIN | ERL_NIF_SELECT_FAILED;
goto done;
}
@@ -2518,6 +2518,10 @@ static void drv_ev_state_free(void *des)
void
ERTS_CIO_EXPORT(erts_init_check_io)(void)
{
+ ERTS_CT_ASSERT((INT_MIN & (ERL_NIF_SELECT_STOP_CALLED |
+ ERL_NIF_SELECT_STOP_SCHEDULED |
+ ERL_NIF_SELECT_INVALID_EVENT |
+ ERL_NIF_SELECT_FAILED)) == 0);
erts_smp_atomic_init_nob(&erts_check_io_time, 0);
erts_smp_atomic_init_nob(&pollset.in_poll_wait, 0);
diff --git a/erts/emulator/sys/common/erl_check_io.h b/erts/emulator/sys/common/erl_check_io.h
index 4f9efeefcd..f02d6c1f62 100644
--- a/erts/emulator/sys/common/erl_check_io.h
+++ b/erts/emulator/sys/common/erl_check_io.h
@@ -34,8 +34,8 @@
int driver_select_kp(ErlDrvPort, ErlDrvEvent, int, int);
int driver_select_nkp(ErlDrvPort, ErlDrvEvent, int, int);
-enum ErlNifSelectReturn enif_select_kp(ErlNifEnv*, ErlNifEvent, enum ErlNifSelectFlags, void*, const ErlNifPid*, Eterm);
-enum ErlNifSelectReturn enif_select_nkp(ErlNifEnv*, ErlNifEvent, enum ErlNifSelectFlags, void*, const ErlNifPid*, Eterm);
+int enif_select_kp(ErlNifEnv*, ErlNifEvent, enum ErlNifSelectFlags, void*, const ErlNifPid*, Eterm);
+int enif_select_nkp(ErlNifEnv*, ErlNifEvent, enum ErlNifSelectFlags, void*, const ErlNifPid*, Eterm);
int driver_event_kp(ErlDrvPort, ErlDrvEvent, ErlDrvEventData);
int driver_event_nkp(ErlDrvPort, ErlDrvEvent, ErlDrvEventData);
Uint erts_check_io_size_kp(void);
diff --git a/erts/emulator/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c
index 4843ee4ba2..f4bdc129e1 100644
--- a/erts/emulator/sys/unix/sys.c
+++ b/erts/emulator/sys/unix/sys.c
@@ -161,7 +161,7 @@ int erts_use_kernel_poll = 0;
struct {
int (*select)(ErlDrvPort, ErlDrvEvent, int, int);
- enum ErlNifSelectReturn (*enif_select)(ErlNifEnv*, ErlNifEvent, enum ErlNifSelectFlags, void*, const ErlNifPid*, Eterm);
+ int (*enif_select)(ErlNifEnv*, ErlNifEvent, enum ErlNifSelectFlags, void*, const ErlNifPid*, Eterm);
int (*event)(ErlDrvPort, ErlDrvEvent, ErlDrvEventData);
void (*check_io_as_interrupt)(void);
void (*check_io_interrupt)(int);