diff options
Diffstat (limited to 'erts/emulator/beam/bif.c')
-rw-r--r-- | erts/emulator/beam/bif.c | 173 |
1 files changed, 77 insertions, 96 deletions
diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c index eb44d5632a..3cf0a02679 100644 --- a/erts/emulator/beam/bif.c +++ b/erts/emulator/beam/bif.c @@ -184,7 +184,7 @@ BIF_RETTYPE link_1(BIF_ALIST_1) DistEntry *dep; ErtsLink *lnk; int code; - ErtsDSigData dsd; + ErtsDSigSendContext ctx; dep = external_pid_dist_entry(BIF_ARG_1); if (dep == erts_this_dist_entry) @@ -201,9 +201,9 @@ BIF_RETTYPE link_1(BIF_ALIST_1) ldp = erts_link_to_data(lnk); - code = erts_dsig_prepare(&dsd, dep, BIF_P, + code = erts_dsig_prepare(&ctx, dep, BIF_P, ERTS_PROC_LOCK_MAIN, - ERTS_DSP_RLOCK, 0, 1); + ERTS_DSP_RLOCK, 0, 1, 1); switch (code) { case ERTS_DSIG_PREP_NOT_ALIVE: case ERTS_DSIG_PREP_NOT_CONNECTED: @@ -222,7 +222,7 @@ BIF_RETTYPE link_1(BIF_ALIST_1) ASSERT(inserted); (void)inserted; erts_de_runlock(dep); - code = erts_dsig_send_link(&dsd, BIF_P->common.id, BIF_ARG_1); + code = erts_dsig_send_link(&ctx, BIF_P->common.id, BIF_ARG_1); if (code == ERTS_DSIG_SEND_YIELD) ERTS_BIF_YIELD_RETURN(BIF_P, am_true); ASSERT(code == ERTS_DSIG_SEND_OK); @@ -307,7 +307,7 @@ demonitor(Process *c_p, Eterm ref, Eterm *multip) DistEntry *dep; int code = ERTS_DSIG_SEND_OK; int deleted; - ErtsDSigData dsd; + ErtsDSigSendContext ctx; ASSERT(is_external_pid(to) || is_node_name_atom(to)); @@ -323,8 +323,8 @@ demonitor(Process *c_p, Eterm ref, Eterm *multip) } } - code = erts_dsig_prepare(&dsd, dep, c_p, ERTS_PROC_LOCK_MAIN, - ERTS_DSP_RLOCK, 0, 0); + code = erts_dsig_prepare(&ctx, dep, c_p, ERTS_PROC_LOCK_MAIN, + ERTS_DSP_RLOCK, 0, 1, 0); deleted = erts_monitor_dist_delete(&mdp->target); @@ -353,8 +353,8 @@ demonitor(Process *c_p, Eterm ref, Eterm *multip) * monitor list since in case of monitor name * the atom is stored there. Yield if necessary. */ - code = erts_dsig_send_demonitor(&dsd, c_p->common.id, - watched, mdp->ref, 0); + code = erts_dsig_send_demonitor(&ctx, c_p->common.id, + watched, mdp->ref); break; } @@ -534,7 +534,7 @@ BIF_RETTYPE monitor_2(BIF_ALIST_2) } if (is_external_pid(target)) { - ErtsDSigData dsd; + ErtsDSigSendContext ctx; int code; dep = external_pid_dist_entry(target); @@ -552,9 +552,9 @@ BIF_RETTYPE monitor_2(BIF_ALIST_2) BIF_P->common.id, id, name); erts_monitor_tree_insert(&ERTS_P_MONITORS(BIF_P), &mdp->origin); - code = erts_dsig_prepare(&dsd, dep, + code = erts_dsig_prepare(&ctx, dep, BIF_P, ERTS_PROC_LOCK_MAIN, - ERTS_DSP_RLOCK, 0, 1); + ERTS_DSP_RLOCK, 0, 1, 1); switch (code) { case ERTS_DSIG_PREP_NOT_ALIVE: case ERTS_DSIG_PREP_NOT_CONNECTED: @@ -569,7 +569,7 @@ BIF_RETTYPE monitor_2(BIF_ALIST_2) ASSERT(inserted); (void)inserted; erts_de_runlock(dep); - code = erts_dsig_send_monitor(&dsd, BIF_P->common.id, target, ref); + code = erts_dsig_send_monitor(&ctx, BIF_P->common.id, target, ref); break; } @@ -915,7 +915,7 @@ BIF_RETTYPE unlink_1(BIF_ALIST_1) ErtsLinkData *ldp; DistEntry *dep; int code; - ErtsDSigData dsd; + ErtsDSigSendContext ctx; dep = external_pid_dist_entry(BIF_ARG_1); if (dep == erts_this_dist_entry) @@ -933,15 +933,15 @@ BIF_RETTYPE unlink_1(BIF_ALIST_1) else erts_link_release(lnk); - code = erts_dsig_prepare(&dsd, dep, BIF_P, ERTS_PROC_LOCK_MAIN, - ERTS_DSP_NO_LOCK, 0, 0); + code = erts_dsig_prepare(&ctx, dep, BIF_P, ERTS_PROC_LOCK_MAIN, + ERTS_DSP_NO_LOCK, 0, 1, 0); switch (code) { case ERTS_DSIG_PREP_NOT_ALIVE: case ERTS_DSIG_PREP_NOT_CONNECTED: BIF_RET(am_true); case ERTS_DSIG_PREP_PENDING: case ERTS_DSIG_PREP_CONNECTED: - code = erts_dsig_send_unlink(&dsd, BIF_P->common.id, BIF_ARG_1); + code = erts_dsig_send_unlink(&ctx, BIF_P->common.id, BIF_ARG_1); if (code == ERTS_DSIG_SEND_YIELD) ERTS_BIF_YIELD_RETURN(BIF_P, am_true); break; @@ -1302,18 +1302,11 @@ static BIF_RETTYPE send_exit_signal_bif(Process *c_p, Eterm id, Eterm reason, in ERTS_BIF_PREP_RET(ret_val, am_true); /* Old incarnation of this node... */ else { int code; - ErtsSendContext ctx; - - ctx.suspend = !0; - ctx.connect = !0; - ctx.deref_dep = 0; - ctx.return_term = am_true; - ctx.dss.reds = (Sint) (ERTS_BIF_REDS_LEFT(c_p) * TERM_TO_BINARY_LOOP_FACTOR); - ctx.dss.phase = ERTS_DSIG_SEND_PHASE_INIT; - ctx.dss.from = c_p->common.id; - - code = erts_dsig_prepare(&ctx.dsd, dep, c_p, ERTS_PROC_LOCK_MAIN, - ERTS_DSP_NO_LOCK, 0, 1); + ErtsDSigSendContext ctx; + + code = erts_dsig_prepare(&ctx, dep, c_p, ERTS_PROC_LOCK_MAIN, + ERTS_DSP_NO_LOCK, 0, 0, 1); + switch (code) { case ERTS_DSIG_PREP_NOT_ALIVE: case ERTS_DSIG_PREP_NOT_CONNECTED: @@ -1827,33 +1820,36 @@ ebif_bang_2(BIF_ALIST_2) static Sint remote_send(Process *p, DistEntry *dep, - Eterm to, Eterm full_to, Eterm msg, - ErtsSendContext* ctx) + Eterm to, Eterm node, Eterm full_to, Eterm msg, + Eterm return_term, Eterm *ctxpp, + int connect, int suspend) { Sint res; int code; + ErtsDSigSendContext ctx; ASSERT(is_atom(to) || is_external_pid(to)); - ctx->dep = dep; - code = erts_dsig_prepare(&ctx->dsd, dep, p, ERTS_PROC_LOCK_MAIN, + code = erts_dsig_prepare(&ctx, dep, p, ERTS_PROC_LOCK_MAIN, ERTS_DSP_NO_LOCK, - !ctx->suspend, ctx->connect); + !suspend, 0, connect); + ctx.return_term = return_term; + ctx.node = node; switch (code) { case ERTS_DSIG_PREP_NOT_ALIVE: case ERTS_DSIG_PREP_NOT_CONNECTED: res = SEND_NOCONNECT; break; case ERTS_DSIG_PREP_WOULD_SUSPEND: - ASSERT(!ctx->suspend); + ASSERT(!suspend); res = SEND_YIELD; break; case ERTS_DSIG_PREP_PENDING: case ERTS_DSIG_PREP_CONNECTED: { if (is_atom(to)) - code = erts_dsig_send_reg_msg(to, msg, ctx); + code = erts_dsig_send_reg_msg(&ctx, to, msg); else - code = erts_dsig_send_msg(to, msg, ctx); + code = erts_dsig_send_msg(&ctx, to, msg); /* * Note that reductions have been bumped on calling * process by erts_dsig_send_reg_msg() or @@ -1861,9 +1857,19 @@ static Sint remote_send(Process *p, DistEntry *dep, */ if (code == ERTS_DSIG_SEND_YIELD) res = SEND_YIELD_RETURN; - else if (code == ERTS_DSIG_SEND_CONTINUE) + else if (code == ERTS_DSIG_SEND_CONTINUE) { + erts_set_gc_state(p, 0); + + /* Keep a reference to the dist entry if the + name is an not a pid. */ + if (is_atom(to)) { + erts_ref_dist_entry(ctx.dep); + ctx.deref_dep = 1; + } + + *ctxpp = erts_dsend_export_trap_context(p, &ctx); res = SEND_YIELD_CONTINUE; - else if (code == ERTS_DSIG_SEND_TOO_LRG) + } else if (code == ERTS_DSIG_SEND_TOO_LRG) res = SEND_SYSTEM_LIMIT; else res = 0; @@ -1885,7 +1891,8 @@ static Sint remote_send(Process *p, DistEntry *dep, } static Sint -do_send(Process *p, Eterm to, Eterm msg, Eterm *refp, ErtsSendContext *ctx) +do_send(Process *p, Eterm to, Eterm msg, Eterm return_term, Eterm *refp, + Eterm *dist_ctx, int connect, int suspend) { Eterm portid; Port *pt; @@ -1917,7 +1924,8 @@ do_send(Process *p, Eterm to, Eterm msg, Eterm *refp, ErtsSendContext *ctx) erts_send_error_to_logger(p->group_leader, dsbufp); return 0; } - return remote_send(p, dep, to, to, msg, ctx); + return remote_send(p, dep, to, dep->sysname, to, msg, return_term, + dist_ctx, connect, suspend); } else if (is_atom(to)) { Eterm id = erts_whereis_name_to_id(p, to); @@ -1972,7 +1980,7 @@ do_send(Process *p, Eterm to, Eterm msg, Eterm *refp, ErtsSendContext *ctx) ret_val = 0; if (pt) { - int ps_flags = ctx->suspend ? 0 : ERTS_PORT_SIG_FLG_NOSUSPEND; + int ps_flags = suspend ? 0 : ERTS_PORT_SIG_FLG_NOSUSPEND; *refp = NIL; if (IS_TRACED_FL(p, F_TRACE_SEND)) /* trace once only !! */ @@ -1987,12 +1995,12 @@ do_send(Process *p, Eterm to, Eterm msg, Eterm *refp, ErtsSendContext *ctx) switch (erts_port_command(p, ps_flags, pt, msg, refp)) { case ERTS_PORT_OP_BUSY: /* Nothing has been sent */ - if (ctx->suspend) + if (suspend) erts_suspend(p, ERTS_PROC_LOCK_MAIN, pt); return SEND_YIELD; case ERTS_PORT_OP_BUSY_SCHEDULED: /* Message was sent */ - if (ctx->suspend) { + if (suspend) { erts_suspend(p, ERTS_PROC_LOCK_MAIN, pt); ret_val = SEND_YIELD_RETURN; break; @@ -2063,13 +2071,10 @@ do_send(Process *p, Eterm to, Eterm msg, Eterm *refp, ErtsSendContext *ctx) ASSERT(dep != erts_this_dist_entry); deref_dep = 1; } - ctx->dsd.node = tp[2]; - ret = remote_send(p, dep, tp[1], to, msg, ctx); - if (ret == SEND_YIELD_CONTINUE) { - erts_ref_dist_entry(ctx->dep); - ctx->deref_dep = 1; - } + ret = remote_send(p, dep, tp[1], tp[2], to, msg, return_term, + dist_ctx, connect, suspend); + if (deref_dep) erts_deref_dist_entry(dep); return ret; @@ -2108,26 +2113,16 @@ BIF_RETTYPE send_3(BIF_ALIST_3) Eterm l = opts; Sint result; - - DeclareTypedTmpHeap(ErtsSendContext, ctx, BIF_P); + int connect = 1, suspend = 1; + Eterm ctx; ERTS_MSACC_PUSH_STATE_M_X(); - UseTmpHeap(sizeof(ErtsSendContext)/sizeof(Eterm), BIF_P); - - ctx->suspend = !0; - ctx->connect = !0; - ctx->deref_dep = 0; - ctx->return_term = am_ok; - ctx->dss.reds = (Sint) (ERTS_BIF_REDS_LEFT(p) * TERM_TO_BINARY_LOOP_FACTOR); - ctx->dss.phase = ERTS_DSIG_SEND_PHASE_INIT; - ctx->dss.from = BIF_P->common.id; - while (is_list(l)) { if (CAR(list_val(l)) == am_noconnect) { - ctx->connect = 0; + connect = 0; } else if (CAR(list_val(l)) == am_nosuspend) { - ctx->suspend = 0; + suspend = 0; } else { ERTS_BIF_PREP_ERROR(retval, p, BADARG); goto done; @@ -2144,7 +2139,7 @@ BIF_RETTYPE send_3(BIF_ALIST_3) #endif ERTS_MSACC_SET_STATE_CACHED_M_X(ERTS_MSACC_STATE_SEND); - result = do_send(p, to, msg, &ref, ctx); + result = do_send(p, to, msg, am_ok, &ref, &ctx, connect, suspend); ERTS_MSACC_POP_STATE_M_X(); if (result >= 0) { @@ -2157,22 +2152,21 @@ BIF_RETTYPE send_3(BIF_ALIST_3) switch (result) { case SEND_NOCONNECT: - if (ctx->connect) { + if (connect) { ERTS_BIF_PREP_RET(retval, am_ok); } else { ERTS_BIF_PREP_RET(retval, am_noconnect); } break; case SEND_YIELD: - if (ctx->suspend) { - ERTS_BIF_PREP_YIELD3(retval, - bif_export[BIF_send_3], p, to, msg, opts); + if (suspend) { + ERTS_BIF_PREP_YIELD3(retval, bif_export[BIF_send_3], p, to, msg, opts); } else { ERTS_BIF_PREP_RET(retval, am_nosuspend); } break; case SEND_YIELD_RETURN: - if (!ctx->suspend) { + if (!suspend) { ERTS_BIF_PREP_RET(retval, am_nosuspend); break; } @@ -2197,9 +2191,7 @@ BIF_RETTYPE send_3(BIF_ALIST_3) break; case SEND_YIELD_CONTINUE: BUMP_ALL_REDS(p); - erts_set_gc_state(p, 0); - ERTS_BIF_PREP_TRAP1(retval, &dsend_continue_trap_export, p, - erts_dsend_export_trap_context(p, ctx)); + ERTS_BIF_PREP_TRAP1(retval, &dsend_continue_trap_export, p, ctx); break; default: erts_exit(ERTS_ABORT_EXIT, "send_3 invalid result %d\n", (int)result); @@ -2207,7 +2199,6 @@ BIF_RETTYPE send_3(BIF_ALIST_3) } done: - UnUseTmpHeap(sizeof(ErtsSendContext)/sizeof(Eterm), BIF_P); return retval; } @@ -2221,14 +2212,14 @@ BIF_RETTYPE send_2(BIF_ALIST_2) static BIF_RETTYPE dsend_continue_trap_1(BIF_ALIST_1) { Binary* bin = erts_magic_ref2bin(BIF_ARG_1); - ErtsSendContext* ctx = (ErtsSendContext*) ERTS_MAGIC_BIN_DATA(bin); + ErtsDSigSendContext *ctx = (ErtsDSigSendContext*) ERTS_MAGIC_BIN_DATA(bin); Sint initial_reds = (Sint) (ERTS_BIF_REDS_LEFT(BIF_P) * TERM_TO_BINARY_LOOP_FACTOR); int result; ASSERT(ERTS_MAGIC_BIN_DESTRUCTOR(bin) == erts_dsend_context_dtor); - ctx->dss.reds = initial_reds; - result = erts_dsig_send(&ctx->dsd, &ctx->dss); + ctx->reds = initial_reds; + result = erts_dsig_send(ctx); switch (result) { case ERTS_DSIG_SEND_OK: @@ -2237,7 +2228,7 @@ static BIF_RETTYPE dsend_continue_trap_1(BIF_ALIST_1) break; case ERTS_DSIG_SEND_YIELD: /*SEND_YIELD_RETURN*/ erts_set_gc_state(BIF_P, 1); - if (!ctx->suspend) + if (ctx->no_suspend) BIF_RET(am_nosuspend); ERTS_BIF_YIELD_RETURN(BIF_P, ctx->return_term); @@ -2262,21 +2253,14 @@ Eterm erl_send(Process *p, Eterm to, Eterm msg) Eterm retval; Eterm ref; Sint result; - DeclareTypedTmpHeap(ErtsSendContext, ctx, p); + Eterm ctx; ERTS_MSACC_PUSH_AND_SET_STATE_M_X(ERTS_MSACC_STATE_SEND); - UseTmpHeap(sizeof(ErtsSendContext)/sizeof(Eterm), p); + #ifdef DEBUG ref = NIL; #endif - ctx->suspend = !0; - ctx->connect = !0; - ctx->deref_dep = 0; - ctx->return_term = msg; - ctx->dss.reds = (Sint) (ERTS_BIF_REDS_LEFT(p) * TERM_TO_BINARY_LOOP_FACTOR); - ctx->dss.phase = ERTS_DSIG_SEND_PHASE_INIT; - ctx->dss.from = p->common.id; - result = do_send(p, to, msg, &ref, ctx); + result = do_send(p, to, msg, msg, &ref, &ctx, 1, 1); ERTS_MSACC_POP_STATE_M_X(); @@ -2318,9 +2302,7 @@ Eterm erl_send(Process *p, Eterm to, Eterm msg) break; case SEND_YIELD_CONTINUE: BUMP_ALL_REDS(p); - erts_set_gc_state(p, 0); - ERTS_BIF_PREP_TRAP1(retval, &dsend_continue_trap_export, p, - erts_dsend_export_trap_context(p, ctx)); + ERTS_BIF_PREP_TRAP1(retval, &dsend_continue_trap_export, p, ctx); break; default: erts_exit(ERTS_ABORT_EXIT, "invalid send result %d\n", (int)result); @@ -2328,7 +2310,6 @@ Eterm erl_send(Process *p, Eterm to, Eterm msg) } done: - UnUseTmpHeap(sizeof(ErtsSendContext)/sizeof(Eterm), p); return retval; } @@ -4385,21 +4366,21 @@ BIF_RETTYPE erts_internal_group_leader_2(BIF_ALIST_2) if (is_external_pid(BIF_ARG_2)) { DistEntry *dep; int code; - ErtsDSigData dsd; + ErtsDSigSendContext ctx; dep = external_pid_dist_entry(BIF_ARG_2); ERTS_ASSERT(dep); if(dep == erts_this_dist_entry) BIF_ERROR(BIF_P, BADARG); - code = erts_dsig_prepare(&dsd, dep, BIF_P, ERTS_PROC_LOCK_MAIN, - ERTS_DSP_NO_LOCK, 0, 1); + code = erts_dsig_prepare(&ctx, dep, BIF_P, ERTS_PROC_LOCK_MAIN, + ERTS_DSP_NO_LOCK, 0, 1, 1); switch (code) { case ERTS_DSIG_PREP_NOT_ALIVE: case ERTS_DSIG_PREP_NOT_CONNECTED: BIF_RET(am_true); case ERTS_DSIG_PREP_PENDING: case ERTS_DSIG_PREP_CONNECTED: - code = erts_dsig_send_group_leader(&dsd, BIF_ARG_1, BIF_ARG_2); + code = erts_dsig_send_group_leader(&ctx, BIF_ARG_1, BIF_ARG_2); if (code == ERTS_DSIG_SEND_YIELD) ERTS_BIF_YIELD_RETURN(BIF_P, am_true); BIF_RET(am_true); |