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authorSverker Eriksson <[email protected]>2018-09-10 17:26:11 +0200
committerSverker Eriksson <[email protected]>2018-09-18 14:27:52 +0200
commitfd5ec01f342a885fe1ba0103fe6ece71a85f42f0 (patch)
treecc221762fd7d10851ef550cc3564610c2ec127a5 /erts/emulator/beam/io.c
parentbb531e8bf209b0071bb6084b5ba96f11b39e9183 (diff)
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erts: Refactor port dist_entry & conn_id into PRTSD
spelled out as "port specific data".
Diffstat (limited to 'erts/emulator/beam/io.c')
-rw-r--r--erts/emulator/beam/io.c37
1 files changed, 21 insertions, 16 deletions
diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c
index 99d75a93ef..5325480901 100644
--- a/erts/emulator/beam/io.c
+++ b/erts/emulator/beam/io.c
@@ -375,7 +375,6 @@ static Port *create_port(char *name,
prt->control_flags = 0;
prt->bytes_in = 0;
prt->bytes_out = 0;
- prt->dist_entry = NULL;
ERTS_PORT_INIT_CONNECTED(prt, pid);
prt->common.u.alive.reg = NULL;
ERTS_PTMR_INIT(prt);
@@ -3613,12 +3612,12 @@ terminate_port(Port *prt)
erts_cleanup_port_data(prt);
+ ASSERT(erts_prtsd_get(prt, ERTS_PRTSD_DIST_ENTRY) == NULL);
+
psd = (ErtsPrtSD *) erts_atomic_read_nob(&prt->psd);
if (psd)
erts_free(ERTS_ALC_T_PRTSD, psd);
- ASSERT(prt->dist_entry == NULL);
-
kill_port(prt);
/*
@@ -3759,10 +3758,12 @@ erts_deliver_port_exit(Port *prt, Eterm from, Eterm reason, int send_closed,
DRV_MONITOR_UNLOCK_PDL(prt);
}
- if ((state & ERTS_PORT_SFLG_DISTRIBUTION) && prt->dist_entry) {
- erts_do_net_exits(prt->dist_entry, modified_reason);
- erts_deref_dist_entry(prt->dist_entry);
- prt->dist_entry = NULL;
+ if (state & ERTS_PORT_SFLG_DISTRIBUTION) {
+ DistEntry *dep = (DistEntry*) erts_prtsd_get(prt, ERTS_PRTSD_DIST_ENTRY);
+ ASSERT(dep);
+ erts_do_net_exits(dep, modified_reason);
+ erts_deref_dist_entry(dep);
+ erts_prtsd_set(prt, ERTS_PRTSD_DIST_ENTRY, NULL);
erts_atomic32_read_band_relb(&prt->state,
~ERTS_PORT_SFLG_DISTRIBUTION);
}
@@ -5050,7 +5051,7 @@ set_busy_port(ErlDrvPort dprt, int on)
DTRACE1(port_not_busy, port_str);
}
#endif
- if (prt->dist_entry) {
+ if (erts_prtsd_get(prt, ERTS_PRTSD_DIST_ENTRY) != NULL) {
/*
* Processes suspended on distribution ports are
* normally queued on the dist entry.
@@ -6169,10 +6170,12 @@ int driver_output_binary(ErlDrvPort ix, char* hbuf, ErlDrvSizeT hlen,
else
erts_atomic64_add_nob(&bytes_in, (erts_aint64_t) (hlen + len));
if (state & ERTS_PORT_SFLG_DISTRIBUTION) {
- erts_atomic64_inc_nob(&prt->dist_entry->in);
+ DistEntry* dep = (DistEntry*) erts_prtsd_get(prt, ERTS_PRTSD_DIST_ENTRY);
+ Uint32 conn_id = (Uint32)(UWord) erts_prtsd_get(prt, ERTS_PRTSD_CONN_ID);
+ erts_atomic64_inc_nob(&dep->in);
return erts_net_message(prt,
- prt->dist_entry,
- prt->connection_id,
+ dep,
+ conn_id,
(byte*) hbuf, hlen,
(byte*) (bin->orig_bytes+offs), len);
}
@@ -6211,17 +6214,19 @@ int driver_output2(ErlDrvPort ix, char* hbuf, ErlDrvSizeT hlen,
else
erts_atomic64_add_nob(&bytes_in, (erts_aint64_t) (hlen + len));
if (state & ERTS_PORT_SFLG_DISTRIBUTION) {
- erts_atomic64_inc_nob(&prt->dist_entry->in);
+ DistEntry *dep = (DistEntry*) erts_prtsd_get(prt, ERTS_PRTSD_DIST_ENTRY);
+ Uint32 conn_id = (Uint32)(UWord) erts_prtsd_get(prt, ERTS_PRTSD_CONN_ID);
+ erts_atomic64_inc_nob(&dep->in);
if (len == 0)
return erts_net_message(prt,
- prt->dist_entry,
- prt->connection_id,
+ dep,
+ conn_id,
NULL, 0,
(byte*) hbuf, hlen);
else
return erts_net_message(prt,
- prt->dist_entry,
- prt->connection_id,
+ dep,
+ conn_id,
(byte*) hbuf, hlen,
(byte*) buf, len);
}