diff options
Diffstat (limited to 'erts')
-rw-r--r-- | erts/emulator/beam/big.c | 8 | ||||
-rw-r--r-- | erts/emulator/beam/external.c | 53 | ||||
-rw-r--r-- | erts/emulator/beam/packet_parser.c | 2 | ||||
-rw-r--r-- | erts/emulator/beam/utils.c | 4 | ||||
-rw-r--r-- | erts/emulator/drivers/common/inet_drv.c | 8 | ||||
-rw-r--r-- | erts/emulator/test/decode_packet_SUITE.erl | 4 | ||||
-rw-r--r-- | erts/emulator/test/hash_SUITE.erl | 8 | ||||
-rw-r--r-- | erts/emulator/test/nif_SUITE.erl | 168 | ||||
-rw-r--r-- | erts/emulator/test/nif_SUITE_data/nif_SUITE.c | 114 | ||||
-rw-r--r-- | erts/emulator/test/send_term_SUITE.erl | 67 | ||||
-rw-r--r-- | erts/emulator/test/send_term_SUITE_data/send_term_drv.c | 218 | ||||
-rw-r--r-- | erts/epmd/src/epmd.c | 8 | ||||
-rw-r--r-- | erts/epmd/src/epmd_cli.c | 36 | ||||
-rw-r--r-- | erts/epmd/src/epmd_srv.c | 6 |
14 files changed, 498 insertions, 206 deletions
diff --git a/erts/emulator/beam/big.c b/erts/emulator/beam/big.c index 90d3a0304a..2d250f32cf 100644 --- a/erts/emulator/beam/big.c +++ b/erts/emulator/beam/big.c @@ -1509,14 +1509,14 @@ Eterm erts_uint64_to_big(Uint64 x, Eterm **hpp) *hp = make_pos_bignum_header(2); BIG_DIGIT(hp, 0) = (Uint) (x & ((Uint) 0xffffffff)); BIG_DIGIT(hp, 1) = (Uint) ((x >> 32) & ((Uint) 0xffffffff)); - *hpp += 2; + *hpp += 3; } else #endif { *hp = make_pos_bignum_header(1); BIG_DIGIT(hp, 0) = (Uint) x; - *hpp += 1; + *hpp += 2; } return make_big(hp); } @@ -1539,7 +1539,7 @@ Eterm erts_sint64_to_big(Sint64 x, Eterm **hpp) *hp = make_pos_bignum_header(2); BIG_DIGIT(hp, 0) = (Uint) (x & ((Uint) 0xffffffff)); BIG_DIGIT(hp, 1) = (Uint) ((x >> 32) & ((Uint) 0xffffffff)); - *hpp += 2; + *hpp += 3; } else #endif @@ -1549,7 +1549,7 @@ Eterm erts_sint64_to_big(Sint64 x, Eterm **hpp) else *hp = make_pos_bignum_header(1); BIG_DIGIT(hp, 0) = (Uint) x; - *hpp += 1; + *hpp += 2; } return make_big(hp); } diff --git a/erts/emulator/beam/external.c b/erts/emulator/beam/external.c index f41b61d73d..466165f26f 100644 --- a/erts/emulator/beam/external.c +++ b/erts/emulator/beam/external.c @@ -65,11 +65,9 @@ # endif #endif -/* - * For backward compatibility reasons, only encode integers that - * fit in 28 bits (signed) using INTEGER_EXT. +/* Does Sint fit in Sint32? */ -#define IS_SSMALL28(x) (((Uint) (((x) >> (28-1)) + 1)) < 2) +#define IS_SSMALL32(x) (((Uint) (((x) >> (32-1)) + 1)) < 2) /* * Valid creations for nodes are 1, 2, or 3. 0 can also be sent @@ -1571,13 +1569,15 @@ enc_term(ErtsAtomCacheMap *acmp, Eterm obj, byte* ep, Uint32 dflags) case SMALL_DEF: { + /* From R14B we no longer restrict INTEGER_EXT to 28 bits, + * as done earlier for backward compatibility reasons. */ Sint val = signed_val(obj); if ((Uint)val < 256) { *ep++ = SMALL_INTEGER_EXT; put_int8(val, ep); ep++; - } else if (sizeof(Sint) == 4 || IS_SSMALL28(val)) { + } else if (sizeof(Sint) == 4 || IS_SSMALL32(val)) { *ep++ = INTEGER_EXT; put_int32(val, ep); ep += 4; @@ -1599,18 +1599,32 @@ enc_term(ErtsAtomCacheMap *acmp, Eterm obj, byte* ep, Uint32 dflags) break; case BIG_DEF: - if ((n = big_bytes(obj)) < 256) { - *ep++ = SMALL_BIG_EXT; - put_int8(n, ep); - ep += 1; - } - else { - *ep++ = LARGE_BIG_EXT; - put_int32(n, ep); - ep += 4; + { + int sign = big_sign(obj); + n = big_bytes(obj); + if (sizeof(Sint)==4 && n<=4) { + Uint dig = big_digit(obj,0); + Sint val = sign ? -dig : dig; + if ((val<0) == sign) { + *ep++ = INTEGER_EXT; + put_int32(val, ep); + ep += 4; + break; + } + } + if (n < 256) { + *ep++ = SMALL_BIG_EXT; + put_int8(n, ep); + ep += 1; + } + else { + *ep++ = LARGE_BIG_EXT; + put_int32(n, ep); + ep += 4; + } + *ep++ = sign; + ep = big_to_bytes(obj, ep); } - *ep++ = big_sign(obj); - ep = big_to_bytes(obj, ep); break; case PID_DEF: @@ -2687,7 +2701,7 @@ encode_size_struct2(ErtsAtomCacheMap *acmp, Eterm obj, unsigned dflags) if ((Uint)val < 256) result += 1 + 1; /* SMALL_INTEGER_EXT */ - else if (sizeof(Sint) == 4 || IS_SSMALL28(val)) + else if (sizeof(Sint) == 4 || IS_SSMALL32(val)) result += 1 + 4; /* INTEGER_EXT */ else { DeclareTmpHeapNoproc(tmp_big,2); @@ -2699,7 +2713,10 @@ encode_size_struct2(ErtsAtomCacheMap *acmp, Eterm obj, unsigned dflags) } break; case BIG_DEF: - if ((i = big_bytes(obj)) < 256) + i = big_bytes(obj); + if (sizeof(Sint)==4 && i <= 4 && (big_digit(obj,0)-big_sign(obj)) < (1<<31)) + result += 1 + 4; /* INTEGER_EXT */ + else if (i < 256) result += 1 + 1 + 1 + i; /* tag,size,sign,digits */ else result += 1 + 4 + 1 + i; /* tag,size,sign,digits */ diff --git a/erts/emulator/beam/packet_parser.c b/erts/emulator/beam/packet_parser.c index 8c8029d450..5bcd567b5f 100644 --- a/erts/emulator/beam/packet_parser.c +++ b/erts/emulator/beam/packet_parser.c @@ -679,7 +679,7 @@ int packet_parse_http(const char* buf, int len, int* statep, while (n && SP(ptr)) { ptr++; n--; } - if (ptr==p0) return -1; + if (ptr==p0 && n>0) return -1; /* NOTE: the syntax allows empty reason phrases */ (*statep) = !0; diff --git a/erts/emulator/beam/utils.c b/erts/emulator/beam/utils.c index da6f9ed12f..b8d407f5e5 100644 --- a/erts/emulator/beam/utils.c +++ b/erts/emulator/beam/utils.c @@ -409,7 +409,7 @@ erts_bld_uint64(Uint **hpp, Uint *szp, Uint64 ui64) } else { if (szp) - *szp = ERTS_UINT64_HEAP_SIZE(ui64); + *szp += ERTS_UINT64_HEAP_SIZE(ui64); if (hpp) res = erts_uint64_to_big(ui64, hpp); } @@ -426,7 +426,7 @@ erts_bld_sint64(Uint **hpp, Uint *szp, Sint64 si64) } else { if (szp) - *szp = ERTS_SINT64_HEAP_SIZE(si64); + *szp += ERTS_SINT64_HEAP_SIZE(si64); if (hpp) res = erts_sint64_to_big(si64, hpp); } diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c index 87691fc1bc..0ea54930ba 100644 --- a/erts/emulator/drivers/common/inet_drv.c +++ b/erts/emulator/drivers/common/inet_drv.c @@ -9333,11 +9333,13 @@ static int packet_inet_input(udp_descriptor* udesc, HANDLE event) if (err != ERRNO_BLOCK) { if (!desc->active) { #ifdef HAVE_SCTP - if (short_recv) + if (short_recv) { async_error_am(desc, am_short_recv); - else -#else + } else { async_error(desc, err); + } +#else + async_error(desc, err); #endif driver_cancel_timer(desc->port); sock_select(desc,FD_READ,0); diff --git a/erts/emulator/test/decode_packet_SUITE.erl b/erts/emulator/test/decode_packet_SUITE.erl index 6cde286871..d9e961be2f 100644 --- a/erts/emulator/test/decode_packet_SUITE.erl +++ b/erts/emulator/test/decode_packet_SUITE.erl @@ -304,6 +304,10 @@ http(Config) when is_list(Config) -> {ok, {http_request, 'GET', ResB, {1,1}}, Rest} = decode_pkt(http_bin,Bin) end, lists:foreach(UriF, http_uri_variants()), + + %% Response with empty phrase + ?line {ok,{http_response,{1,1},200,[]},<<>>} = decode_pkt(http, <<"HTTP/1.1 200\r\n">>, []), + ?line {ok,{http_response,{1,1},200,<<>>},<<>>} = decode_pkt(http_bin, <<"HTTP/1.1 200\r\n">>, []), ok. http_with_bin(http) -> diff --git a/erts/emulator/test/hash_SUITE.erl b/erts/emulator/test/hash_SUITE.erl index 85bdb8bff8..f5d1871bfb 100644 --- a/erts/emulator/test/hash_SUITE.erl +++ b/erts/emulator/test/hash_SUITE.erl @@ -480,14 +480,14 @@ otp_5292_test() -> S2 = md5([md5(hash_int(S, E, PH)) || {Start, N, Sz} <- d(), {S, E} <- int(Start, N, Sz)]), ?line Comment = case S1 of - <<43,186,76,102,87,4,110,245,203,177,206,6,130,69,43,99>> -> + <<4,248,208,156,200,131,7,1,173,13,239,173,112,81,16,174>> -> ?line big = erlang:system_info(endian), "Big endian machine"; - <<21,206,139,15,149,28,167,81,98,225,132,254,49,125,174,195>> -> + <<180,28,33,231,239,184,71,125,76,47,227,241,78,184,176,233>> -> ?line little = erlang:system_info(endian), "Little endian machine" end, - ?line <<140,37,79,80,26,242,130,22,20,229,123,240,223,244,43,99>> = S2, + ?line <<124,81,198,121,174,233,19,137,10,83,33,80,226,111,238,99>> = S2, ?line 2 = erlang:hash(1, (1 bsl 27) -1), ?line {'EXIT', _} = (catch erlang:hash(1, (1 bsl 27))), {comment, Comment}. @@ -507,7 +507,7 @@ hash_int(Start, End, F) -> {Start, End, md5(HL)}. md5(T) -> - erlang:md5(term_to_binary(T)). + erlang:md5(term_to_binary(T)). bit_level_binaries() -> ?line [3511317,7022633,14044578,28087749,56173436,112344123,90467083|_] = diff --git a/erts/emulator/test/nif_SUITE.erl b/erts/emulator/test/nif_SUITE.erl index 888bf582d8..f45cfa3e4a 100644 --- a/erts/emulator/test/nif_SUITE.erl +++ b/erts/emulator/test/nif_SUITE.erl @@ -30,7 +30,7 @@ fin_per_testcase/2, basic/1, reload/1, upgrade/1, heap_frag/1, types/1, many_args/1, binaries/1, get_string/1, get_atom/1, api_macros/1, from_array/1, iolist_as_binary/1, resource/1, resource_binary/1, resource_takeover/1, - threading/1, send/1, send2/1, send_threaded/1, neg/1, is_checks/1, + threading/1, send/1, send2/1, send3/1, send_threaded/1, neg/1, is_checks/1, get_length/1, make_atom/1, make_string/1]). -export([many_args_100/100]). @@ -51,7 +51,7 @@ all(suite) -> [basic, reload, upgrade, heap_frag, types, many_args, binaries, get_string, get_atom, api_macros, from_array, iolist_as_binary, resource, resource_binary, - resource_takeover, threading, send, send2, send_threaded, neg, is_checks, + resource_takeover, threading, send, send2, send3, send_threaded, neg, is_checks, get_length, make_atom, make_string]. %%init_per_testcase(_Case, Config) -> @@ -916,7 +916,164 @@ forwarder(To, N) -> other_term() -> {fun(X,Y) -> X*Y end, make_ref()}. - + +send3(doc) -> ["Message sending stress test"]; +send3(Config) when is_list(Config) -> + %% Let a number of processes send random message blobs between each other + %% using enif_send. Kill and spawn new ones randomly to keep a ~constant + %% number of workers running. + Seed = now(), + io:format("seed: ~p\n",[Seed]), + random:seed(Seed), + ets:new(nif_SUITE,[named_table,public]), + ?line true = ets:insert(nif_SUITE,{send3,0,0,0,0}), + timer:send_after(10000, timeout), % Run for 10 seconds + SpawnCnt = send3_controller(0, [], [], 20), + ?line [{_,Rcv,SndOk,SndFail,Balance}] = ets:lookup(nif_SUITE,send3), + io:format("spawns=~p received=~p, sent=~p send-failure=~p balance=~p\n", + [SpawnCnt,Rcv,SndOk,SndFail,Balance]), + ets:delete(nif_SUITE). + +send3_controller(SpawnCnt, [], _, infinity) -> + SpawnCnt; +send3_controller(SpawnCnt0, Mons0, Pids0, Tick) -> + receive + timeout -> + io:format("Timeout. Sending 'halt' to ~p\n",[Pids0]), + lists:foreach(fun(P) -> P ! {halt,self()} end, Pids0), + lists:foreach(fun(P) -> receive {halted,P} -> ok end end, Pids0), + QTot = lists:foldl(fun(P,QSum) -> + {message_queue_len,QLen} = + erlang:process_info(P,message_queue_len), + QSum + QLen + end, 0, Pids0), + io:format("Total queue length ~p\n",[QTot]), + lists:foreach(fun(P) -> P ! die end, Pids0), + send3_controller(SpawnCnt0, Mons0, [], infinity); + {'DOWN', MonRef, process, _Pid, _} -> + Mons1 = lists:delete(MonRef, Mons0), + %%io:format("Got DOWN from ~p. Monitors left: ~p\n",[Pid,Mons1]), + send3_controller(SpawnCnt0, Mons1, Pids0, Tick) + after Tick -> + Max = 20, + N = length(Pids0), + PidN = random:uniform(Max), + %%io:format("N=~p PidN=~p Pids0=~p\n", [N,PidN,Pids0]), + case PidN > N of + true -> + {NewPid,Mon} = spawn_opt(fun send3_proc/0, [link,monitor]), + lists:foreach(fun(P) -> P ! {is_born,NewPid} end, Pids0), + ?line Balance = ets:lookup_element(nif_SUITE,send3,5), + Inject = (Balance =< 0), + case Inject of + true -> ok; + false -> ets:update_element(nif_SUITE,send3,{5,-1}) + end, + NewPid ! {pids,Pids0,Inject}, + send3_controller(SpawnCnt0+1, [Mon|Mons0], [NewPid|Pids0], Tick); + false -> + KillPid = lists:nth(PidN,Pids0), + KillPid ! die, + Pids1 = lists:delete(KillPid, Pids0), + lists:foreach(fun(P) -> P ! {is_dead,KillPid} end, Pids1), + send3_controller(SpawnCnt0, Mons0, Pids1, Tick) + end + end. + +send3_proc() -> + %%io:format("Process ~p spawned\n",[self()]), + send3_proc([self()], {0,0,0}, {1,2,3,4,5}). +send3_proc(Pids0, Counters={Rcv,SndOk,SndFail}, State0) -> + %%io:format("~p: Pids0=~p", [self(), Pids0]), + %%timer:sleep(10), + receive + {pids, Pids1, Inject} -> + %%io:format("~p: got ~p Inject=~p\n", [self(), Pids1, Inject]), + ?line Pids0 = [self()], + Pids2 = [self() | Pids1], + case Inject of + true -> send3_proc_send(Pids2, Counters, State0); + false -> send3_proc(Pids2, Counters, State0) + end; + {is_born, Pid} -> + %%io:format("~p: is_born ~p, got ~p\n", [self(), Pid, Pids0]), + send3_proc([Pid | Pids0], Counters, State0); + {is_dead, Pid} -> + Pids1 = lists:delete(Pid,Pids0), + %%io:format("~p: is_dead ~p, got ~p\n", [self(), Pid, Pids1]), + send3_proc(Pids1, Counters, State0); + {blob, Blob0} -> + %%io:format("~p: blob ~p\n", [self(), Blob0]), + State1 = send3_new_state(State0, Blob0), + send3_proc_send(Pids0, {Rcv+1,SndOk,SndFail}, State1); + die -> + %%io:format("Process ~p terminating, stats = ~p\n",[self(),Counters]), + {message_queue_len,Dropped} = erlang:process_info(self(),message_queue_len), + _R = ets:update_counter(nif_SUITE,send3, + [{2,Rcv},{3,SndOk},{4,SndFail},{5,1-Dropped}]), + %%io:format("~p: dies R=~p\n", [self(), R]), + ok; + {halt,Papa} -> + Papa ! {halted,self()}, + io:format("~p halted\n",[self()]), + receive die -> ok end, + io:format("~p dying\n",[self()]) + end. + +send3_proc_send(Pids, {Rcv,SndOk,SndFail}, State0) -> + To = lists:nth(random:uniform(length(Pids)),Pids), + Blob = send3_make_blob(), + State1 = send3_new_state(State0,Blob), + case send3_send(To, Blob) of + true -> + send3_proc(Pids, {Rcv,SndOk+1,SndFail}, State1); + false -> + send3_proc(Pids, {Rcv,SndOk,SndFail+1}, State1) + end. + + +send3_make_blob() -> + case random:uniform(20)-1 of + 0 -> {term,[]}; + N -> + MsgEnv = alloc_msgenv(), + repeat(N bsr 1, + fun(_) -> grow_blob(MsgEnv,other_term(),random:uniform(1 bsl 20)) + end, void), + case (N band 1) of + 0 -> {term,copy_blob(MsgEnv)}; + 1 -> {msgenv,MsgEnv} + end + end. + +send3_send(Pid, Msg) -> + %% 90% enif_send and 10% normal bang + case random:uniform(10) of + 1 -> send3_send_bang(Pid,Msg); + _ -> send3_send_nif(Pid,Msg) + end. +send3_send_nif(Pid, {term,Blob}) -> + %%io:format("~p send term nif\n",[self()]), + send_term(Pid, {blob, Blob}) =:= 1; +send3_send_nif(Pid, {msgenv,MsgEnv}) -> + %%io:format("~p send blob nif\n",[self()]), + send3_blob(MsgEnv, Pid, blob) =:= 1. + +send3_send_bang(Pid, {term,Blob}) -> + %%io:format("~p send term bang\n",[self()]), + Pid ! {blob, Blob}, + true; +send3_send_bang(Pid, {msgenv,MsgEnv}) -> + %%io:format("~p send blob bang\n",[self()]), + Pid ! {blob, copy_blob(MsgEnv)}, + true. + +send3_new_state(State, Blob) -> + case random:uniform(5+2) of + N when N =< 5-> setelement(N, State, Blob); + _ -> State % Don't store blob + end. + neg(doc) -> ["Negative testing of load_nif"]; neg(Config) when is_list(Config) -> TmpMem = tmpmem(), @@ -1070,10 +1227,13 @@ send_new_blob(_,_) -> ?nif_stub. alloc_msgenv() -> ?nif_stub. clear_msgenv(_) -> ?nif_stub. grow_blob(_,_) -> ?nif_stub. +grow_blob(_,_,_) -> ?nif_stub. send_blob(_,_) -> ?nif_stub. +send3_blob(_,_,_) -> ?nif_stub. send_blob_thread(_,_,_) -> ?nif_stub. join_send_thread(_) -> ?nif_stub. - +copy_blob(_) -> ?nif_stub. +send_term(_,_) -> ?nif_stub. nif_stub_error(Line) -> exit({nif_not_loaded,module,?MODULE,line,Line}). diff --git a/erts/emulator/test/nif_SUITE_data/nif_SUITE.c b/erts/emulator/test/nif_SUITE_data/nif_SUITE.c index c8cd323b7e..17f644829f 100644 --- a/erts/emulator/test/nif_SUITE_data/nif_SUITE.c +++ b/erts/emulator/test/nif_SUITE_data/nif_SUITE.c @@ -1038,36 +1038,41 @@ static ERL_NIF_TERM make_term_copy(struct make_term_info* mti, int n) { return enif_make_copy(mti->dst_env, mti->other_term); } + +typedef ERL_NIF_TERM Make_term_Func(struct make_term_info*, int); +static Make_term_Func* make_funcs[] = { + make_term_binary, + make_term_int, + make_term_ulong, + make_term_double, + make_term_atom, + make_term_existing_atom, + make_term_string, + //make_term_ref, + make_term_sub_binary, + make_term_uint, + make_term_long, + make_term_tuple0, + make_term_list0, + make_term_resource, + make_term_new_binary, + make_term_caller_pid, + make_term_tuple, + make_term_list, + make_term_list_cell, + make_term_tuple_from_array, + make_term_list_from_array, + make_term_garbage, + make_term_copy +}; +static unsigned num_of_make_funcs() +{ + return sizeof(make_funcs)/sizeof(*make_funcs); +} static int make_term_n(struct make_term_info* mti, int n, ERL_NIF_TERM* res) { - typedef ERL_NIF_TERM Make_term_Func(struct make_term_info*, int); - static Make_term_Func* funcs[] = { - make_term_binary, - make_term_int, - make_term_ulong, - make_term_double, - make_term_atom, - make_term_existing_atom, - make_term_string, - //make_term_ref, - make_term_sub_binary, - make_term_uint, - make_term_long, - make_term_tuple0, - make_term_list0, - make_term_resource, - make_term_new_binary, - make_term_caller_pid, - make_term_tuple, - make_term_list, - make_term_list_cell, - make_term_tuple_from_array, - make_term_list_from_array, - make_term_garbage, - make_term_copy - }; - if (n < sizeof(funcs)/sizeof(*funcs)) { - *res = funcs[n](mti, n); + if (n < num_of_make_funcs()) { + *res = make_funcs[n](mti, n); push_term(mti, *res); return 1; } @@ -1167,14 +1172,14 @@ static ERL_NIF_TERM grow_blob(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[ { union { void* vp; struct make_term_info* p; }mti; ERL_NIF_TERM term; - if (!enif_get_resource(env, argv[0], msgenv_resource_type, &mti.vp)) { + if (!enif_get_resource(env, argv[0], msgenv_resource_type, &mti.vp) + || (argc>2 && !enif_get_uint(env,argv[2], &mti.p->n))) { return enif_make_badarg(env); } mti.p->caller_env = env; mti.p->other_term = argv[1]; - while (!make_term_n(mti.p, mti.p->n++, &term)) { - mti.p->n = 0; - } + mti.p->n %= num_of_make_funcs(); + make_term_n(mti.p, mti.p->n++, &term); mti.p->blob = enif_make_list_cell(mti.p->dst_env, term, mti.p->blob); return atom_ok; } @@ -1194,6 +1199,23 @@ static ERL_NIF_TERM send_blob(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[ return enif_make_tuple3(env, atom_ok, enif_make_int(env,res), copy); } +static ERL_NIF_TERM send3_blob(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + union { void* vp; struct make_term_info* p; }mti; + ErlNifPid to; + ERL_NIF_TERM copy; + int res; + if (!enif_get_resource(env, argv[0], msgenv_resource_type, &mti.vp) + || !enif_get_local_pid(env, argv[1], &to)) { + return enif_make_badarg(env); + } + mti.p->blob = enif_make_tuple2(mti.p->dst_env, + enif_make_copy(mti.p->dst_env, argv[2]), + mti.p->blob); + res = enif_send(env, &to, mti.p->dst_env, mti.p->blob); + return enif_make_int(env,res); +} + void* threaded_sender(void *arg) { @@ -1253,6 +1275,28 @@ static ERL_NIF_TERM join_send_thread(ErlNifEnv* env, int argc, const ERL_NIF_TER return enif_make_tuple2(env, atom_ok, enif_make_int(env, mti.p->send_res)); } +static ERL_NIF_TERM copy_blob(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + union { void* vp; struct make_term_info* p; }mti; + if (!enif_get_resource(env, argv[0], msgenv_resource_type, &mti.vp)) { + return enif_make_badarg(env); + } + return enif_make_copy(env, mti.p->blob); +} + +static ERL_NIF_TERM send_term(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + ErlNifEnv* menv; + ErlNifPid pid; + int ret; + if (!enif_get_local_pid(env, argv[0], &pid)) { + return enif_make_badarg(env); + } + menv = enif_alloc_env(); + ret = enif_send(env, &pid, menv, enif_make_copy(menv, argv[1])); + enif_free_env(menv); + return enif_make_int(env, ret); +} static ErlNifFunc nif_funcs[] = { @@ -1291,9 +1335,13 @@ static ErlNifFunc nif_funcs[] = {"alloc_msgenv", 0, alloc_msgenv}, {"clear_msgenv", 1, clear_msgenv}, {"grow_blob", 2, grow_blob}, + {"grow_blob", 3, grow_blob}, {"send_blob", 2, send_blob}, + {"send3_blob", 3, send3_blob}, {"send_blob_thread", 3, send_blob_thread}, - {"join_send_thread", 1, join_send_thread} + {"join_send_thread", 1, join_send_thread}, + {"copy_blob", 1, copy_blob}, + {"send_term", 2, send_term} }; ERL_NIF_INIT(nif_SUITE,nif_funcs,load,reload,upgrade,unload) diff --git a/erts/emulator/test/send_term_SUITE.erl b/erts/emulator/test/send_term_SUITE.erl index 489adbd660..5fd01a9ac5 100644 --- a/erts/emulator/test/send_term_SUITE.erl +++ b/erts/emulator/test/send_term_SUITE.erl @@ -76,40 +76,43 @@ basic(Config) when is_list(Config) -> ?line ExpectedBinTup = term(P, 7), %% single terms - ?line [] = term(P, 8), % ERL_DRV_NIL - ?line '' = term(P, 9), % ERL_DRV_ATOM - ?line an_atom = term(P, 10), % ERL_DRV_ATOM - ?line -4711 = term(P, 11), % ERL_DRV_INT - ?line 4711 = term(P, 12), % ERL_DRV_UINT - ?line P = term(P, 13), % ERL_DRV_PORT - ?line <<>> = term(P, 14), % ERL_DRV_BINARY - ?line <<"hejsan">> = term(P, 15), % ERL_DRV_BINARY - ?line <<>> = term(P, 16), % ERL_DRV_BUF2BINARY - ?line <<>> = term(P, 17), % ERL_DRV_BUF2BINARY - ?line <<"hoppsan">> = term(P, 18), % ERL_DRV_BUF2BINARY - ?line "" = term(P, 19), % ERL_DRV_STRING - ?line "" = term(P, 20), % ERL_DRV_STRING - ?line "hippsan" = term(P, 21), % ERL_DRV_STRING - ?line {} = term(P, 22), % ERL_DRV_TUPLE - ?line [] = term(P, 23), % ERL_DRV_LIST - ?line Self = term(P, 24), % ERL_DRV_PID - ?line [] = term(P, 25), % ERL_DRV_STRING_CONS - ?line AFloat = term(P, 26), % ERL_DRV_FLOAT + Singles = [{[], 8}, % ERL_DRV_NIL + {'', 9}, % ERL_DRV_ATOM + {an_atom, 10}, % ERL_DRV_ATOM + {-4711, 11}, % ERL_DRV_INT + {4711, 12}, % ERL_DRV_UINT + {P, 13}, % ERL_DRV_PORT + {<<>>, 14}, % ERL_DRV_BINARY + {<<"hejsan">>, 15}, % ERL_DRV_BINARY + {<<>>, 16}, % ERL_DRV_BUF2BINARY + {<<>>, 17}, % ERL_DRV_BUF2BINARY + {<<"hoppsan">>, 18}, % ERL_DRV_BUF2BINARY + {"", 19}, % ERL_DRV_STRING + {"", 20}, % ERL_DRV_STRING + {"hippsan", 21}, % ERL_DRV_STRING + {{}, 22}, % ERL_DRV_TUPLE + {[], 23}, % ERL_DRV_LIST + {Self, 24}, % ERL_DRV_PID + {[], 25}, % ERL_DRV_STRING_CONS + {[], 27}, % ERL_DRV_EXT2TERM + {18446744073709551615, 28}, % ERL_DRV_UINT64 + {20233590931456, 29}, % ERL_DRV_UINT64 + {4711, 30}, % ERL_DRV_UINT64 + {0, 31}, % ERL_DRV_UINT64 + {9223372036854775807, 32}, % ERL_DRV_INT64 + {20233590931456, 33}, % ERL_DRV_INT64 + {4711, 34}, % ERL_DRV_INT64 + {0, 35}, % ERL_DRV_INT64 + {-1, 36}, % ERL_DRV_INT64 + {-4711, 37}, % ERL_DRV_INT64 + {-20233590931456, 38}, % ERL_DRV_INT64 + {-9223372036854775808, 39}], % ERL_DRV_INT64 + ?line {Terms, Ops} = lists:unzip(Singles), + ?line Terms = term(P,Ops), + + AFloat = term(P, 26), % ERL_DRV_FLOAT ?line true = AFloat < 0.001, ?line true = AFloat > -0.001, - ?line [] = term(P, 27), % ERL_DRV_EXT2TERM - ?line 18446744073709551615 = term(P, 28), % ERL_DRV_UINT64 - ?line 20233590931456 = term(P, 29), % ERL_DRV_UINT64 - ?line 4711 = term(P, 30), % ERL_DRV_UINT64 - ?line 0 = term(P, 31), % ERL_DRV_UINT64 - ?line 9223372036854775807 = term(P, 32), % ERL_DRV_INT64 - ?line 20233590931456 = term(P, 33), % ERL_DRV_INT64 - ?line 4711 = term(P, 34), % ERL_DRV_INT64 - ?line 0 = term(P, 35), % ERL_DRV_INT64 - ?line -1 = term(P, 36), % ERL_DRV_INT64 - ?line -4711 = term(P, 37), % ERL_DRV_INT64 - ?line -20233590931456 = term(P, 38), % ERL_DRV_INT64 - ?line -9223372036854775808 = term(P, 39), % ERL_DRV_INT64 %% Failure cases. ?line [] = term(P, 127), diff --git a/erts/emulator/test/send_term_SUITE_data/send_term_drv.c b/erts/emulator/test/send_term_SUITE_data/send_term_drv.c index 6638de0560..165cce2e9d 100644 --- a/erts/emulator/test/send_term_SUITE_data/send_term_drv.c +++ b/erts/emulator/test/send_term_SUITE_data/send_term_drv.c @@ -17,6 +17,7 @@ */ #include "erl_driver.h" +#include <stdio.h> #include <errno.h> #include <string.h> @@ -65,12 +66,21 @@ static void fail_term(ErlDrvTermData* msg, int len, int line); static void send_term_drv_run(ErlDrvData port, char *buf, int count) { - ErlDrvTermData msg[1024]; - - switch (*buf) { + char buf7[1024]; + ErlDrvTermData spec[1024]; + ErlDrvTermData* msg = spec; + ErlDrvBinary* bins[15]; + int bin_ix = 0; + ErlDrvSInt64 s64[15]; + int s64_ix = 0; + ErlDrvUInt64 u64[15]; + int u64_ix = 0; + int i = 0; + + for (i=0; i<count; i++) switch (buf[i]) { case 0: msg[0] = ERL_DRV_NIL; - output_term(msg, 1); + msg += 1; break; case 1: /* Most term types inside a tuple. */ @@ -102,7 +112,7 @@ static void send_term_drv_run(ErlDrvData port, char *buf, int count) msg[22] = driver_connected(erlang_port); msg[23] = ERL_DRV_TUPLE; msg[24] = (ErlDrvTermData) 7; - output_term(msg, 25); + msg += 25; } break; @@ -117,7 +127,7 @@ static void send_term_drv_run(ErlDrvData port, char *buf, int count) msg[i] = ERL_DRV_NIL; msg[i+1] = ERL_DRV_LIST; msg[i+2] = (ErlDrvTermData) 201; - output_term(msg, i+3); + msg += i+3; } break; @@ -126,7 +136,7 @@ static void send_term_drv_run(ErlDrvData port, char *buf, int count) ErlDrvBinary* bin; int i; - bin = driver_alloc_binary(256); + bin = bins[bin_ix++] = driver_alloc_binary(256); for (i = 0; i < 256; i++) { bin->orig_bytes[i] = i; } @@ -140,8 +150,7 @@ static void send_term_drv_run(ErlDrvData port, char *buf, int count) msg[7] = (ErlDrvTermData) 23; msg[8] = ERL_DRV_TUPLE; msg[9] = (ErlDrvTermData) 2; - output_term(msg, 10); - driver_free_binary(bin); + msg += 10; } break; @@ -152,11 +161,11 @@ static void send_term_drv_run(ErlDrvData port, char *buf, int count) msg[3] = driver_caller(erlang_port); msg[4] = ERL_DRV_TUPLE; msg[5] = (ErlDrvTermData) 2; - output_term(msg, 6); + msg += 6; break; case 5: - output_term(msg, make_ext_term_list(msg, 0)); + msg += make_ext_term_list(msg, 0); break; case 6: @@ -166,94 +175,91 @@ static void send_term_drv_run(ErlDrvData port, char *buf, int count) msg[3] = ~((ErlDrvTermData) 0); msg[4] = ERL_DRV_TUPLE; msg[5] = (ErlDrvTermData) 2; - output_term(msg, 6); + msg += 6; break; case 7: { int len = 0; - char buf[1024]; - memset(buf, 17, sizeof(buf)); + memset(buf7, 17, sizeof(buf7)); /* empty heap binary */ msg[len++] = ERL_DRV_BUF2BINARY; msg[len++] = (ErlDrvTermData) NULL; /* NULL is ok if size == 0 */ msg[len++] = (ErlDrvTermData) 0; /* empty heap binary again */ msg[len++] = ERL_DRV_BUF2BINARY; - msg[len++] = (ErlDrvTermData) &buf[0]; /* ptr is ok if size == 0 */ + msg[len++] = (ErlDrvTermData) buf7; /* ptr is ok if size == 0 */ msg[len++] = (ErlDrvTermData) 0; /* heap binary */ msg[len++] = ERL_DRV_BUF2BINARY; - msg[len++] = (ErlDrvTermData) &buf[0]; + msg[len++] = (ErlDrvTermData) buf7; msg[len++] = (ErlDrvTermData) 17; /* off heap binary */ msg[len++] = ERL_DRV_BUF2BINARY; - msg[len++] = (ErlDrvTermData) &buf[0]; - msg[len++] = (ErlDrvTermData) sizeof(buf); + msg[len++] = (ErlDrvTermData) buf7; + msg[len++] = (ErlDrvTermData) sizeof(buf7); msg[len++] = ERL_DRV_TUPLE; msg[len++] = (ErlDrvTermData) 4; - output_term(msg, len); + msg += len; break; } case 8: msg[0] = ERL_DRV_NIL; - output_term(msg, 1); + msg += 1; break; case 9: msg[0] = ERL_DRV_ATOM; msg[1] = (ErlDrvTermData) driver_mk_atom(""); - output_term(msg, 2); + msg += 2; break; case 10: msg[0] = ERL_DRV_ATOM; msg[1] = (ErlDrvTermData) driver_mk_atom("an_atom"); - output_term(msg, 2); + msg += 2; break; case 11: msg[0] = ERL_DRV_INT; msg[1] = (ErlDrvTermData) -4711; - output_term(msg, 2); + msg += 2; break; case 12: msg[0] = ERL_DRV_UINT; msg[1] = (ErlDrvTermData) 4711; - output_term(msg, 2); + msg += 2; break; case 13: msg[0] = ERL_DRV_PORT; msg[1] = driver_mk_port(erlang_port); - output_term(msg, 2); + msg += 2; break; case 14: { - ErlDrvBinary *dbin = driver_alloc_binary(0); + ErlDrvBinary *dbin = bins[bin_ix++] = driver_alloc_binary(0); msg[0] = ERL_DRV_BINARY; msg[1] = (ErlDrvTermData) dbin; msg[2] = (ErlDrvTermData) 0; msg[3] = (ErlDrvTermData) 0; - output_term(msg, 4); - driver_free_binary(dbin); + msg += 4; break; } case 15: { - char buf[] = "hejsan"; - ErlDrvBinary *dbin = driver_alloc_binary(sizeof(buf)-1); + static const char buf[] = "hejsan"; + ErlDrvBinary *dbin = bins[bin_ix++] = driver_alloc_binary(sizeof(buf)-1); if (dbin) memcpy((void *) dbin->orig_bytes, (void *) buf, sizeof(buf)-1); msg[0] = ERL_DRV_BINARY; msg[1] = (ErlDrvTermData) dbin; msg[2] = (ErlDrvTermData) (dbin ? sizeof(buf)-1 : 0); msg[3] = (ErlDrvTermData) 0; - output_term(msg, 4); - driver_free_binary(dbin); + msg += 4; break; } @@ -261,24 +267,24 @@ static void send_term_drv_run(ErlDrvData port, char *buf, int count) msg[0] = ERL_DRV_BUF2BINARY; msg[1] = (ErlDrvTermData) NULL; msg[2] = (ErlDrvTermData) 0; - output_term(msg, 3); + msg += 3; break; case 17: { - char buf[] = ""; + static const char buf[] = ""; msg[0] = ERL_DRV_BUF2BINARY; msg[1] = (ErlDrvTermData) buf; msg[2] = (ErlDrvTermData) sizeof(buf)-1; - output_term(msg, 3); + msg += 3; break; } case 18: { - char buf[] = "hoppsan"; + static const char buf[] = "hoppsan"; msg[0] = ERL_DRV_BUF2BINARY; msg[1] = (ErlDrvTermData) buf; msg[2] = (ErlDrvTermData) sizeof(buf)-1; - output_term(msg, 3); + msg += 3; break; } @@ -286,44 +292,44 @@ static void send_term_drv_run(ErlDrvData port, char *buf, int count) msg[0] = ERL_DRV_STRING; msg[1] = (ErlDrvTermData) buf; msg[2] = (ErlDrvTermData) 0; - output_term(msg, 3); + msg += 3; break; case 20: { - char buf[] = ""; + static const char buf[] = ""; msg[0] = ERL_DRV_STRING; msg[1] = (ErlDrvTermData) buf; msg[2] = (ErlDrvTermData) sizeof(buf)-1; - output_term(msg, 3); + msg += 3; break; } case 21: { - char buf[] = "hippsan"; + static const char buf[] = "hippsan"; msg[0] = ERL_DRV_STRING; msg[1] = (ErlDrvTermData) buf; msg[2] = (ErlDrvTermData) sizeof(buf)-1; - output_term(msg, 3); + msg += 3; break; } case 22: msg[0] = ERL_DRV_TUPLE; msg[1] = (ErlDrvTermData) 0; - output_term(msg, 2); + msg += 2; break; case 23: msg[0] = ERL_DRV_NIL; msg[1] = ERL_DRV_LIST; msg[2] = (ErlDrvTermData) 1; - output_term(msg, 3); + msg += 3; break; case 24: msg[0] = ERL_DRV_PID; msg[1] = driver_connected(erlang_port); - output_term(msg, 2); + msg += 2; break; case 25: @@ -331,132 +337,131 @@ static void send_term_drv_run(ErlDrvData port, char *buf, int count) msg[1] = ERL_DRV_STRING_CONS; msg[2] = (ErlDrvTermData) ""; msg[3] = (ErlDrvTermData) 0; - output_term(msg, 4); + msg += 4; break; case 26: { - double my_float = 0.0; + static double my_float = 0.0; msg[0] = ERL_DRV_FLOAT; msg[1] = (ErlDrvTermData) &my_float; - output_term(msg, 2); + msg += 2; break; } case 27: { - char buf[] = {131, 106}; /* [] */ + static char buf[] = {131, 106}; /* [] */ msg[0] = ERL_DRV_EXT2TERM; msg[1] = (ErlDrvTermData) buf; msg[2] = (ErlDrvTermData) sizeof(buf); - output_term(msg, 3); + msg += 3; break; } case 28: { - ErlDrvUInt64 x = ~((ErlDrvUInt64) 0); + ErlDrvUInt64* x = &u64[u64_ix++]; + *x = ~((ErlDrvUInt64) 0); msg[0] = ERL_DRV_UINT64; - msg[1] = (ErlDrvTermData) &x; - output_term(msg, 2); - + msg[1] = (ErlDrvTermData) x; + msg += 2; break; } case 29: { - ErlDrvUInt64 x = ((ErlDrvUInt64) 4711) << 32; + ErlDrvUInt64* x = &u64[u64_ix++]; + *x = ((ErlDrvUInt64) 4711) << 32; msg[0] = ERL_DRV_UINT64; - msg[1] = (ErlDrvTermData) &x; - output_term(msg, 2); - + msg[1] = (ErlDrvTermData) x; + msg += 2; break; } case 30: { - ErlDrvUInt64 x = 4711; + ErlDrvUInt64* x = &u64[u64_ix++]; + *x = 4711; msg[0] = ERL_DRV_UINT64; - msg[1] = (ErlDrvTermData) &x; - output_term(msg, 2); - + msg[1] = (ErlDrvTermData) x; + msg += 2; break; } case 31: { - ErlDrvUInt64 x = 0; + ErlDrvUInt64* x = &u64[u64_ix++]; + *x = 0; msg[0] = ERL_DRV_UINT64; - msg[1] = (ErlDrvTermData) &x; - output_term(msg, 2); - + msg[1] = (ErlDrvTermData) x; + msg += 2; break; } case 32: { - ErlDrvSInt64 x = ((((ErlDrvUInt64) 0x7fffffff) << 32) - | ((ErlDrvUInt64) 0xffffffff)); + ErlDrvSInt64* x = &s64[s64_ix++]; + *x = ((((ErlDrvUInt64) 0x7fffffff) << 32) | ((ErlDrvUInt64) 0xffffffff)); msg[0] = ERL_DRV_INT64; - msg[1] = (ErlDrvTermData) &x; - output_term(msg, 2); - + msg[1] = (ErlDrvTermData) x; + msg += 2; break; } case 33: { - ErlDrvSInt64 x = (ErlDrvSInt64) (((ErlDrvUInt64) 4711) << 32); + ErlDrvSInt64* x = &s64[s64_ix++]; + *x = (ErlDrvSInt64) (((ErlDrvUInt64) 4711) << 32); msg[0] = ERL_DRV_INT64; - msg[1] = (ErlDrvTermData) &x; - output_term(msg, 2); - + msg[1] = (ErlDrvTermData) x; + msg += 2; break; } case 34: { - ErlDrvSInt64 x = 4711; + ErlDrvSInt64* x = &s64[s64_ix++]; + *x = 4711; msg[0] = ERL_DRV_INT64; - msg[1] = (ErlDrvTermData) &x; - output_term(msg, 2); - + msg[1] = (ErlDrvTermData) x; + msg += 2; break; } case 35: { - ErlDrvSInt64 x = 0; + ErlDrvSInt64* x = &s64[s64_ix++]; + *x = 0; msg[0] = ERL_DRV_INT64; - msg[1] = (ErlDrvTermData) &x; - output_term(msg, 2); - + msg[1] = (ErlDrvTermData) x; + msg += 2; break; } case 36: { - ErlDrvSInt64 x = -1; + ErlDrvSInt64* x = &s64[s64_ix++]; + *x = -1; msg[0] = ERL_DRV_INT64; - msg[1] = (ErlDrvTermData) &x; - output_term(msg, 2); - + msg[1] = (ErlDrvTermData) x; + msg += 2; break; } case 37: { - ErlDrvSInt64 x = -4711; + ErlDrvSInt64* x = &s64[s64_ix++]; + *x = -4711; msg[0] = ERL_DRV_INT64; - msg[1] = (ErlDrvTermData) &x; - output_term(msg, 2); - + msg[1] = (ErlDrvTermData) x; + msg += 2; break; } case 38: { - ErlDrvSInt64 x = ((ErlDrvSInt64) ((ErlDrvUInt64) 4711) << 32)*-1; + ErlDrvSInt64* x = &s64[s64_ix++]; + *x = ((ErlDrvSInt64) ((ErlDrvUInt64) 4711) << 32)*-1; msg[0] = ERL_DRV_INT64; - msg[1] = (ErlDrvTermData) &x; - output_term(msg, 2); - + msg[1] = (ErlDrvTermData) x; + msg += 2; break; } case 39: { - ErlDrvSInt64 x = ((ErlDrvSInt64) 1) << 63; + ErlDrvSInt64* x = &s64[s64_ix++]; + *x = ((ErlDrvSInt64) 1) << 63; msg[0] = ERL_DRV_INT64; - msg[1] = (ErlDrvTermData) &x; - output_term(msg, 2); - + msg[1] = (ErlDrvTermData) x; + msg += 2; break; } @@ -464,7 +469,7 @@ static void send_term_drv_run(ErlDrvData port, char *buf, int count) case 127: /* Error cases */ { long refc; - ErlDrvBinary* bin = driver_alloc_binary(256); + ErlDrvBinary* bin = bins[bin_ix++] = driver_alloc_binary(256); FAIL_TERM(msg, 0); @@ -537,7 +542,7 @@ static void send_term_drv_run(ErlDrvData port, char *buf, int count) refc = driver_binary_get_refc(bin); if (refc > 3) { char sbuf[128]; - sprintf(sbuf, "bad_refc:%d", refc); + sprintf(sbuf, "bad_refc:%ld", refc); driver_failure_atom(erlang_port, sbuf); } driver_free_binary(bin); @@ -644,6 +649,7 @@ static void send_term_drv_run(ErlDrvData port, char *buf, int count) /* Signal end of test case */ msg[0] = ERL_DRV_NIL; driver_output_term(erlang_port, msg, 1); + return; } break; @@ -651,6 +657,16 @@ static void send_term_drv_run(ErlDrvData port, char *buf, int count) driver_failure_atom(erlang_port, "bad_request"); break; } + if (count > 1) { + *msg++ = ERL_DRV_NIL; + *msg++ = ERL_DRV_LIST; + *msg++ = count + 1; + } + output_term(spec, msg-spec); + if ((bin_ix|s64_ix|u64_ix) > 15) abort(); + while (bin_ix) { + driver_free_binary(bins[--bin_ix]); + } } static void output_term(ErlDrvTermData* msg, int len) diff --git a/erts/epmd/src/epmd.c b/erts/epmd/src/epmd.c index c509c49b39..6ddf30efe3 100644 --- a/erts/epmd/src/epmd.c +++ b/erts/epmd/src/epmd.c @@ -226,6 +226,12 @@ int main(int argc, char** argv) else usage(g); epmd_cleanup_exit(g,0); + } else if (strcmp(argv[0], "-stop") == 0) { + if (argc == 2) + stop_cli(g, argv[1]); + else + usage(g); + epmd_cleanup_exit(g,0); } else usage(g); @@ -382,7 +388,7 @@ static void run_daemon(EpmdVars *g) static void usage(EpmdVars *g) { fprintf(stderr, "usage: epmd [-d|-debug] [DbgExtra...] [-port No] [-daemon]\n"); - fprintf(stderr, " [-d|-debug] [-port No] [-names|-kill]\n\n"); + fprintf(stderr, " [-d|-debug] [-port No] [-names|-kill|-stop name]\n\n"); fprintf(stderr, "See the Erlang epmd manual page for info about the usage.\n"); fprintf(stderr, "The -port and DbgExtra options are\n\n"); fprintf(stderr, " -port No\n"); diff --git a/erts/epmd/src/epmd_cli.c b/erts/epmd/src/epmd_cli.c index c12f711bc5..2aed861390 100644 --- a/erts/epmd/src/epmd_cli.c +++ b/erts/epmd/src/epmd_cli.c @@ -54,6 +54,42 @@ void kill_epmd(EpmdVars *g) } } +void stop_cli(EpmdVars *g, char *name) +{ + char buf[1024]; + int fd, rval, bsize; + + bsize = strlen(name); + if (bsize > 1000) { + printf("epmd: Name too long!"); + epmd_cleanup_exit(g, 1); + } + + fd = conn_to_epmd(g); + bsize++; + put_int16(bsize, buf); + buf[2] = EPMD_STOP_REQ; + bsize += 2; + strcpy(buf+3, name); + + if (write(fd, buf, bsize) != bsize) { + printf("epmd: Can't write to epmd\n"); + epmd_cleanup_exit(g,1); + } + if ((rval = read_fill(fd,buf,7)) == 7) { + buf[7] = '\000'; + printf("%s\n", buf); + epmd_cleanup_exit(g,0); + } else if (rval < 0) { + printf("epmd: failed to read answer from local epmd\n"); + epmd_cleanup_exit(g,1); + } else { /* rval is now 0 or 1 */ + buf[rval] = '\0'; + printf("epmd: local epmd responded with <%s>\n", buf); + epmd_cleanup_exit(g,1); + } +} + /* what == EPMD_NAMES_REQ || EPMD_DUMP_REQ */ void epmd_call(EpmdVars *g,int what) diff --git a/erts/epmd/src/epmd_srv.c b/erts/epmd/src/epmd_srv.c index 34f657fb16..c836bf0bb7 100644 --- a/erts/epmd/src/epmd_srv.c +++ b/erts/epmd/src/epmd_srv.c @@ -591,7 +591,7 @@ static void do_request(g, fd, s, buf, bsize) if (bsize <= 1) { - dbg_printf(g,0,"packet to small for request PORT2_REQ (%d)", bsize); + dbg_printf(g,0,"packet too small for request PORT2_REQ (%d)", bsize); return; } @@ -740,7 +740,7 @@ static void do_request(g, fd, s, buf, bsize) dbg_printf(g,1,"** got STOP_REQ"); if (bsize <= 1 ) { - dbg_printf(g,0,"packet to small for request STOP_REQ (%d)",bsize); + dbg_printf(g,0,"packet too small for request STOP_REQ (%d)",bsize); return; } @@ -902,7 +902,7 @@ static void node_init(EpmdVars *g) /* We have got a close on a connection and it may be a - EPMD_ALIVE_CLOSE_REQ. Note that this call shouild be called + EPMD_ALIVE_CLOSE_REQ. Note that this call should be called *before* calling conn_close() */ static int node_unreg(EpmdVars *g,char *name) |