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Diffstat (limited to 'erts/emulator/beam/erl_bif_port.c')
-rw-r--r--erts/emulator/beam/erl_bif_port.c62
1 files changed, 47 insertions, 15 deletions
diff --git a/erts/emulator/beam/erl_bif_port.c b/erts/emulator/beam/erl_bif_port.c
index 27c24197ea..86bcf43678 100644
--- a/erts/emulator/beam/erl_bif_port.c
+++ b/erts/emulator/beam/erl_bif_port.c
@@ -41,6 +41,7 @@
#include "external.h"
#include "packet_parser.h"
#include "erl_bits.h"
+#include "erl_bif_unique.h"
#include "dtrace-wrapper.h"
static Port *open_port(Process* p, Eterm name, Eterm settings, int *err_typep, int *err_nump);
@@ -50,10 +51,10 @@ static void free_args(char **);
char *erts_default_arg0 = "default";
-BIF_RETTYPE open_port_2(BIF_ALIST_2)
+BIF_RETTYPE erts_internal_open_port_2(BIF_ALIST_2)
{
Port *port;
- Eterm port_id;
+ Eterm res;
char *str;
int err_type, err_num;
@@ -61,27 +62,58 @@ BIF_RETTYPE open_port_2(BIF_ALIST_2)
if (!port) {
if (err_type == -3) {
ASSERT(err_num == BADARG || err_num == SYSTEM_LIMIT);
- BIF_ERROR(BIF_P, err_num);
+ if (err_num == BADARG)
+ res = am_badarg;
+ else if (err_num == SYSTEM_LIMIT)
+ res = am_system_limit;
+ else
+ /* this is only here to silence gcc, it should not happen */
+ BIF_ERROR(BIF_P, EXC_INTERNAL_ERROR);
} else if (err_type == -2) {
str = erl_errno_id(err_num);
+ res = erts_atom_put((byte *) str, strlen(str), ERTS_ATOM_ENC_LATIN1, 1);
} else {
- str = "einval";
+ res = am_einval;
}
- BIF_P->fvalue = erts_atom_put((byte *) str, strlen(str), ERTS_ATOM_ENC_LATIN1, 1);
- BIF_ERROR(BIF_P, EXC_ERROR);
- }
+ BIF_RET(res);
+ }
+
+ if (port->drv_ptr->flags & ERL_DRV_FLAG_USE_INIT_ACK) {
+ /* Copied from erl_port_task.c */
+ port->async_open_port = erts_alloc(ERTS_ALC_T_PRTSD,
+ sizeof(*port->async_open_port));
+ erts_make_ref_in_array(port->async_open_port->ref);
+ port->async_open_port->to = BIF_P->common.id;
+
+ erts_smp_proc_lock(BIF_P, ERTS_PROC_LOCKS_MSG_RECEIVE | ERTS_PROC_LOCK_LINK);
+ if (ERTS_PROC_PENDING_EXIT(BIF_P)) {
+ /* need to exit caller instead */
+ erts_smp_proc_unlock(BIF_P, ERTS_PROC_LOCKS_MSG_RECEIVE | ERTS_PROC_LOCK_LINK);
+ KILL_CATCHES(BIF_P);
+ BIF_P->freason = EXC_EXIT;
+ erts_port_release(port);
+ BIF_RET(am_badarg);
+ }
+
+ ERTS_SMP_MSGQ_MV_INQ2PRIVQ(BIF_P);
+ BIF_P->msg.save = BIF_P->msg.last;
- erts_smp_proc_lock(BIF_P, ERTS_PROC_LOCK_LINK);
+ erts_smp_proc_unlock(BIF_P, ERTS_PROC_LOCKS_MSG_RECEIVE);
+
+ res = erts_proc_store_ref(BIF_P, port->async_open_port->ref);
+ } else {
+ res = port->common.id;
+ erts_smp_proc_lock(BIF_P, ERTS_PROC_LOCK_LINK);
+ }
- port_id = port->common.id;
erts_add_link(&ERTS_P_LINKS(port), LINK_PID, BIF_P->common.id);
- erts_add_link(&ERTS_P_LINKS(BIF_P), LINK_PID, port_id);
+ erts_add_link(&ERTS_P_LINKS(BIF_P), LINK_PID, port->common.id);
erts_smp_proc_unlock(BIF_P, ERTS_PROC_LOCK_LINK);
erts_port_release(port);
- BIF_RET(port_id);
+ BIF_RET(res);
}
static ERTS_INLINE Port *
@@ -617,7 +649,7 @@ BIF_RETTYPE port_get_data_1(BIF_ALIST_1)
static Port *
open_port(Process* p, Eterm name, Eterm settings, int *err_typep, int *err_nump)
{
- int i;
+ Sint i;
Eterm option;
Uint arity;
Eterm* tp;
@@ -945,8 +977,8 @@ static char **convert_args(Eterm l)
{
char **pp;
char *b;
- int n;
- int i = 0;
+ Sint n;
+ Sint i = 0;
Eterm str;
if (is_not_list(l) && is_not_nil(l)) {
return NULL;
@@ -992,7 +1024,7 @@ static byte* convert_environment(Process* p, Eterm env)
Eterm* temp_heap;
Eterm* hp;
Uint heap_size;
- int n;
+ Sint n;
Sint size;
byte* bytes;
int encoding = erts_get_native_filename_encoding();