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-rw-r--r--erts/emulator/beam/atom.names1
-rw-r--r--erts/emulator/beam/bif.tab2
-rw-r--r--erts/emulator/beam/erl_bif_port.c54
-rw-r--r--erts/emulator/beam/erl_driver.h4
-rw-r--r--erts/emulator/beam/erl_port.h5
-rw-r--r--erts/emulator/beam/io.c60
6 files changed, 114 insertions, 12 deletions
diff --git a/erts/emulator/beam/atom.names b/erts/emulator/beam/atom.names
index 967cf013f0..f20d99f114 100644
--- a/erts/emulator/beam/atom.names
+++ b/erts/emulator/beam/atom.names
@@ -209,6 +209,7 @@ atom dsend_continue_trap
atom dunlink
atom duplicate_bag
atom dupnames
+atom einval
atom elib_malloc
atom emulator
atom enable_trace
diff --git a/erts/emulator/beam/bif.tab b/erts/emulator/beam/bif.tab
index 65f8d6f1f5..884555dee2 100644
--- a/erts/emulator/beam/bif.tab
+++ b/erts/emulator/beam/bif.tab
@@ -115,7 +115,7 @@ bif erlang:time_offset/0
bif erlang:time_offset/1
bif erlang:timestamp/0
-bif erlang:open_port/2
+bif erts_internal:open_port/2
bif erlang:pid_to_list/1
bif erlang:ports/0
diff --git a/erts/emulator/beam/erl_bif_port.c b/erts/emulator/beam/erl_bif_port.c
index e47d7bcbbb..839abd0424 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 *
diff --git a/erts/emulator/beam/erl_driver.h b/erts/emulator/beam/erl_driver.h
index e71b87803b..5f2115ef7f 100644
--- a/erts/emulator/beam/erl_driver.h
+++ b/erts/emulator/beam/erl_driver.h
@@ -163,6 +163,7 @@ typedef struct {
#define ERL_DRV_FLAG_USE_PORT_LOCKING (1 << 0)
#define ERL_DRV_FLAG_SOFT_BUSY (1 << 1)
#define ERL_DRV_FLAG_NO_BUSY_MSGQ (1 << 2)
+#define ERL_DRV_FLAG_USE_INIT_ACK (1 << 3)
/*
* Integer types
@@ -690,6 +691,9 @@ EXTERN char *driver_dl_error(void);
EXTERN int erl_drv_putenv(char *key, char *value);
EXTERN int erl_drv_getenv(char *key, char *value, size_t *value_size);
+/* spawn start init ack */
+EXTERN void erl_drv_init_ack(ErlDrvPort ix, ErlDrvData res);
+
#endif /* !ERL_DRIVER_TYPES_ONLY */
#ifdef WIN32_DYNAMIC_ERL_DRIVER
diff --git a/erts/emulator/beam/erl_port.h b/erts/emulator/beam/erl_port.h
index acd68ef0ad..bc4b412594 100644
--- a/erts/emulator/beam/erl_port.h
+++ b/erts/emulator/beam/erl_port.h
@@ -187,6 +187,11 @@ struct _erl_drv_port {
ErtsPrtSD *psd; /* Port specific data */
int reds; /* Only used while executing driver callbacks */
+
+ struct {
+ Eterm to;
+ Uint32 ref[ERTS_MAX_REF_NUMBERS];
+ } *async_open_port; /* Reference used with async open port */
};
diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c
index fdd26fcc4b..409df846e9 100644
--- a/erts/emulator/beam/io.c
+++ b/erts/emulator/beam/io.c
@@ -84,6 +84,7 @@ static void deliver_result(Eterm sender, Eterm pid, Eterm res);
static int init_driver(erts_driver_t *, ErlDrvEntry *, DE_Handle *);
static void terminate_port(Port *p);
static void pdl_init(void);
+static int driver_failure_term(ErlDrvPort ix, Eterm term, int eof);
#ifdef ERTS_SMP
static void driver_monitor_lock_pdl(Port *p);
static void driver_monitor_unlock_pdl(Port *p);
@@ -383,6 +384,7 @@ static Port *create_port(char *name,
ERTS_PTMR_INIT(prt);
erts_port_task_handle_init(&prt->timeout_task);
prt->psd = NULL;
+ prt->async_open_port = NULL;
prt->drv_data = (SWord) 0;
prt->os_pid = -1;
@@ -2732,6 +2734,61 @@ erts_port_link(Process *c_p, Port *prt, Eterm to, Eterm *refp)
port_sig_link);
}
+static void
+init_ack_send_reply(Port *port, Eterm resp)
+{
+
+ if (!is_internal_port(resp)) {
+ Process *rp = erts_proc_lookup_raw(port->async_open_port->to);
+ erts_smp_proc_lock(rp, ERTS_PROC_LOCK_LINK);
+ erts_remove_link(&ERTS_P_LINKS(port), port->async_open_port->to);
+ erts_remove_link(&ERTS_P_LINKS(rp), port->common.id);
+ erts_smp_proc_unlock(rp, ERTS_PROC_LOCK_LINK);
+ }
+ port_sched_op_reply(port->async_open_port->to,
+ port->async_open_port->ref,
+ resp);
+
+ erts_free(ERTS_ALC_T_PRTSD, port->async_open_port);
+ port->async_open_port = NULL;
+}
+
+void
+erl_drv_init_ack(ErlDrvPort ix, ErlDrvData res) {
+ Port *port = erts_drvport2port(ix);
+ SWord err_type = (SWord)res;
+ Eterm resp;
+
+ if (port == ERTS_INVALID_ERL_DRV_PORT && port->async_open_port)
+ return;
+
+ if (port->async_open_port) {
+ switch(err_type) {
+ case -3:
+ resp = am_badarg;
+ break;
+ case -2: {
+ char *str = erl_errno_id(errno);
+ resp = erts_atom_put((byte *) str, strlen(str),
+ ERTS_ATOM_ENC_LATIN1, 1);
+ break;
+ }
+ case -1:
+ resp = am_einval;
+ break;
+ default:
+ resp = port->common.id;
+ break;
+ }
+
+ init_ack_send_reply(port, resp);
+
+ if (err_type == -1 || err_type == -2 || err_type == -3)
+ driver_failure_term(ix, am_normal, 0);
+ port->drv_data = err_type;
+ }
+}
+
void erts_init_io(int port_tab_size,
int port_tab_size_ignore_files,
int legacy_port_tab)
@@ -6972,6 +7029,9 @@ driver_failure_term(ErlDrvPort ix, Eterm term, int eof)
if (prt == ERTS_INVALID_ERL_DRV_PORT)
return -1;
ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(prt));
+
+ if (prt->async_open_port)
+ init_ack_send_reply(prt, prt->common.id);
if (eof)
flush_linebuf_messages(prt, state);
if (state & ERTS_PORT_SFLG_CLOSING) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-23 01:36:34 +0000