diff options
Diffstat (limited to 'erts/emulator')
| -rw-r--r-- | erts/emulator/beam/erl_db_hash.c | 2 | ||||
| -rw-r--r-- | erts/emulator/beam/erl_init.c | 10 | ||||
| -rw-r--r-- | erts/emulator/beam/erl_process.c | 14 | ||||
| -rw-r--r-- | erts/emulator/sys/unix/sys.c | 4 | ||||
| -rw-r--r-- | erts/emulator/test/bs_construct_SUITE.erl | 13 | ||||
| -rw-r--r-- | erts/emulator/test/gc_SUITE.erl | 151 | ||||
| -rw-r--r-- | erts/emulator/test/nif_SUITE.erl | 87 | ||||
| -rw-r--r-- | erts/emulator/test/nif_SUITE_data/nif_SUITE.c | 31 |
8 files changed, 194 insertions, 118 deletions
diff --git a/erts/emulator/beam/erl_db_hash.c b/erts/emulator/beam/erl_db_hash.c index 08a0f0e83b..0addfaa3c7 100644 --- a/erts/emulator/beam/erl_db_hash.c +++ b/erts/emulator/beam/erl_db_hash.c @@ -676,7 +676,7 @@ int db_create_hash(Process *p, DbTable *tbl) sizeof(DbTableHashFineLocks)); for (i=0; i<DB_HASH_LOCK_CNT; ++i) { erts_smp_rwmtx_init_opt_x(&tb->locks->lck_vec[i].lck, &rwmtx_opt, - "db_hash_slot", make_small(i)); + "db_hash_slot", tb->common.the_name); } /* This important property is needed to guarantee the two buckets * involved in a grow/shrink operation it protected by the same lock: diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c index ac99f043e6..6172595552 100644 --- a/erts/emulator/beam/erl_init.c +++ b/erts/emulator/beam/erl_init.c @@ -431,7 +431,7 @@ erl_first_process_otp(char* modname, void* code, unsigned size, int argc, char** } static Eterm -erl_system_process_otp(Eterm parent_pid, char* modname) +erl_system_process_otp(Eterm parent_pid, char* modname, int off_heap_msgq) { Eterm start_mod; Process* parent; @@ -447,6 +447,8 @@ erl_system_process_otp(Eterm parent_pid, char* modname) parent = erts_pid2proc(NULL, 0, parent_pid, ERTS_PROC_LOCK_MAIN); so.flags = erts_default_spo_flags|SPO_SYSTEM_PROC; + if (off_heap_msgq) + so.flags |= SPO_OFF_HEAP_MSGQ; res = erl_create_process(parent, start_mod, am_start, NIL, &so); erts_smp_proc_unlock(parent, ERTS_PROC_LOCK_MAIN); return res; @@ -2326,14 +2328,14 @@ erl_start(int argc, char **argv) */ Eterm pid; - pid = erl_system_process_otp(otp_ring0_pid, "erts_code_purger"); + pid = erl_system_process_otp(otp_ring0_pid, "erts_code_purger", !0); erts_code_purger = (Process *) erts_ptab_pix2intptr_ddrb(&erts_proc, internal_pid_index(pid)); ASSERT(erts_code_purger && erts_code_purger->common.id == pid); erts_proc_inc_refc(erts_code_purger); - pid = erl_system_process_otp(otp_ring0_pid, "erts_literal_area_collector"); + pid = erl_system_process_otp(otp_ring0_pid, "erts_literal_area_collector", !0); erts_literal_area_collector = (Process *) erts_ptab_pix2intptr_ddrb(&erts_proc, internal_pid_index(pid)); @@ -2342,7 +2344,7 @@ erl_start(int argc, char **argv) erts_proc_inc_refc(erts_literal_area_collector); #ifdef ERTS_DIRTY_SCHEDULERS - pid = erl_system_process_otp(otp_ring0_pid, "erts_dirty_process_code_checker"); + pid = erl_system_process_otp(otp_ring0_pid, "erts_dirty_process_code_checker", !0); erts_dirty_process_code_checker = (Process *) erts_ptab_pix2intptr_ddrb(&erts_proc, internal_pid_index(pid)); diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c index 7952e3031d..d4385e3987 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -11331,7 +11331,9 @@ cleanup_sys_tasks(Process *c_p, erts_aint32_t in_state, int in_reds) erts_aint32_t state = in_state; int max_reds = in_reds; int reds = 0; - int qmask = 0; + int qmask = 1; /* Set to 1 to force looping as long as there + * are dirty tasks. + */ ERTS_SMP_LC_ASSERT(erts_proc_lc_my_proc_locks(c_p) == ERTS_PROC_LOCK_MAIN); @@ -13935,6 +13937,16 @@ erts_continue_exit_process(Process *p) goto yield; } +#ifdef DEBUG + erts_smp_proc_lock(p, ERTS_PROC_LOCK_STATUS); + ASSERT(p->sys_task_qs == NULL); + ASSERT(ERTS_PROC_GET_DELAYED_GC_TASK_QS(p) == NULL); +#ifdef ERTS_DIRTY_SCHEDULERS + ASSERT(p->dirty_sys_tasks == NULL); +#endif + erts_smp_proc_unlock(p, ERTS_PROC_LOCK_STATUS); +#endif + if (p->flags & F_USING_DDLL) { erts_ddll_proc_dead(p, ERTS_PROC_LOCK_MAIN); p->flags &= ~F_USING_DDLL; diff --git a/erts/emulator/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c index b1bea3a960..5cf0a49972 100644 --- a/erts/emulator/sys/unix/sys.c +++ b/erts/emulator/sys/unix/sys.c @@ -1456,12 +1456,12 @@ erts_sys_main_thread(void) erts_thread_disable_fpe(); #ifdef __DARWIN__ initialize_darwin_main_thread_pipes(); -#endif +#else /* Become signal receiver thread... */ #ifdef ERTS_ENABLE_LOCK_CHECK erts_lc_set_thread_name("signal_receiver"); #endif - +#endif smp_sig_notify(0); /* Notify initialized */ /* Wait for a signal to arrive... */ diff --git a/erts/emulator/test/bs_construct_SUITE.erl b/erts/emulator/test/bs_construct_SUITE.erl index 95042ac802..ed03284a5b 100644 --- a/erts/emulator/test/bs_construct_SUITE.erl +++ b/erts/emulator/test/bs_construct_SUITE.erl @@ -537,6 +537,8 @@ huge_binary(Config) when is_list(Config) -> ct:timetrap({seconds, 60}), 16777216 = size(<<0:(id(1 bsl 26)),(-1):(id(1 bsl 26))>>), garbage_collect(), + FreeMem = free_mem(), + io:format("Free memory (Mb): ~p\n", [FreeMem]), {Shift,Return} = case free_mem() of undefined -> %% This test has to be inlined inside the case to @@ -552,10 +554,14 @@ huge_binary(Config) when is_list(Config) -> garbage_collect(), id(<<0:((1 bsl 31)-1)>>), {31,"Limit huge binaries to 256 Mb"}; - _ -> + Mb when Mb > 200 -> garbage_collect(), id(<<0:((1 bsl 30)-1)>>), - {30,"Limit huge binary to 128 Mb"} + {30,"Limit huge binary to 128 Mb"}; + _ -> + garbage_collect(), + id(<<0:((1 bsl 29)-1)>>), + {29,"Limit huge binary to 64 Mb"} end, garbage_collect(), id(<<0:((1 bsl Shift)-1)>>), @@ -567,13 +573,14 @@ huge_binary(Config) when is_list(Config) -> Comment -> {comment, Comment} end. +%% Return the amount of free memory in Mb. free_mem() -> {ok,Apps} = application:ensure_all_started(os_mon), Mem = memsup:get_system_memory_data(), [ok = application:stop(App)||App <- Apps], case proplists:get_value(free_memory,Mem) of undefined -> undefined; - Val -> Val div 1024 + Val -> Val div (1024*1024) end. system_limit(Config) when is_list(Config) -> diff --git a/erts/emulator/test/gc_SUITE.erl b/erts/emulator/test/gc_SUITE.erl index 35dd147550..2c2cb9c32d 100644 --- a/erts/emulator/test/gc_SUITE.erl +++ b/erts/emulator/test/gc_SUITE.erl @@ -203,89 +203,90 @@ long_receive() -> end. minor_major_gc_option_self(_Config) -> - Endless = fun Endless() -> - receive - {gc, Type} -> erlang:garbage_collect(self(), [{type, Type}]) - after 100 -> ok end, - Endless() - end, - - %% Try as major, a test process will self-trigger GC - P1 = spawn(Endless), - erlang:garbage_collect(P1, []), - erlang:trace(P1, true, [garbage_collection]), - P1 ! {gc, major}, - expect_trace_messages(P1, [gc_major_start, gc_major_end]), - erlang:trace(P1, false, [garbage_collection]), - erlang:exit(P1, kill), - - %% Try as minor, a test process will self-trigger GC - P2 = spawn(Endless), - erlang:garbage_collect(P2, []), - erlang:trace(P2, true, [garbage_collection]), - P2 ! {gc, minor}, - expect_trace_messages(P2, [gc_minor_start, gc_minor_end]), - erlang:trace(P2, false, [garbage_collection]), - erlang:exit(P2, kill). + %% Try as major, the test process will self-trigger GC + check_gc_tracing_around( + fun(Pid, Ref) -> + Pid ! {gc, Ref, major} + end, [gc_major_start, gc_major_end]), + + %% Try as minor, the test process will self-trigger GC + check_gc_tracing_around( + fun(Pid, Ref) -> + Pid ! {gc, Ref, minor} + end, [gc_minor_start, gc_minor_end]). minor_major_gc_option_async(_Config) -> - Endless = fun Endless() -> - receive after 100 -> ok end, - Endless() - end, - - %% Try with default option, must be major gc - P1 = spawn(Endless), - erlang:garbage_collect(P1, []), - erlang:trace(P1, true, [garbage_collection]), - erlang:garbage_collect(P1, []), - expect_trace_messages(P1, [gc_major_start, gc_major_end]), - erlang:trace(P1, false, [garbage_collection]), - erlang:exit(P1, kill), + %% Try with default option, must be major GC + check_gc_tracing_around( + fun(Pid, _Ref) -> + erlang:garbage_collect(Pid, []) + end, [gc_major_start, gc_major_end]), %% Try with the 'major' type - P2 = spawn(Endless), - erlang:garbage_collect(P2, []), - erlang:trace(P2, true, [garbage_collection]), - erlang:garbage_collect(P2, [{type, major}]), - expect_trace_messages(P2, [gc_major_start, gc_major_end]), - erlang:trace(P2, false, [garbage_collection]), - erlang:exit(P2, kill), + check_gc_tracing_around( + fun(Pid, _Ref) -> + erlang:garbage_collect(Pid, [{type, major}]) + end, [gc_major_start, gc_major_end]), %% Try with 'minor' option, once - P3 = spawn(Endless), - erlang:garbage_collect(P3, []), - erlang:trace(P3, true, [garbage_collection]), - erlang:garbage_collect(P3, [{type, minor}]), - expect_trace_messages(P3, [gc_minor_start, gc_minor_end]), - erlang:trace(P3, false, [garbage_collection]), - erlang:exit(P3, kill), + check_gc_tracing_around( + fun(Pid, _Ref) -> + erlang:garbage_collect(Pid, [{type, minor}]) + end, [gc_minor_start, gc_minor_end]), %% Try with 'minor' option, once, async - P4 = spawn(Endless), + check_gc_tracing_around( + fun(Pid, Ref) -> + ?assertEqual(async, + erlang:garbage_collect(Pid, [{type, minor}, {async, Ref}])), + + receive + {garbage_collect, Ref, true} -> + ok + after 10000 -> + ct:fail("Did not receive a completion notification on async GC") + end + end, [gc_minor_start, gc_minor_end]). + +%% Traces garbage collection around the given operation, and fails the test if +%% it results in any unexpected messages or if the expected trace tags are not +%% received. +check_gc_tracing_around(Fun, ExpectedTraceTags) -> Ref = erlang:make_ref(), - erlang:garbage_collect(P4, []), - erlang:trace(P4, true, [garbage_collection]), - ?assertEqual(async, - erlang:garbage_collect(P4, [{type, minor}, {async, Ref}])), - expect_trace_messages(P4, [gc_minor_start, gc_minor_end]), - erlang:trace(P4, false, [garbage_collection]), - receive {garbage_collect, Ref, true} -> ok; - Other4 -> ct:pal("Unexpected message: ~p~n" - ++ "while waiting for async gc result", [Other4]) - after 2000 -> ?assert(false) - end, - erlang:exit(P4, kill). - -%% Given a list of atoms, trace tags - receives messages and checks if they are -%% trace events, and if the tag matches. Else will crash failing the test. -expect_trace_messages(_Pid, []) -> ok; + Pid = spawn( + fun Endless() -> + receive + {gc, Ref, Type} -> + erlang:garbage_collect(self(), [{type, Type}]) + after 100 -> + ok + end, + Endless() + end), + erlang:garbage_collect(Pid, []), + erlang:trace(Pid, true, [garbage_collection]), + Fun(Pid, Ref), + expect_trace_messages(Pid, ExpectedTraceTags), + erlang:trace(Pid, false, [garbage_collection]), + erlang:exit(Pid, kill), + check_no_unexpected_messages(). + +%% Ensures that trace messages with the provided tags have all been received +%% within a reasonable timeframe. +expect_trace_messages(_Pid, []) -> + ok; expect_trace_messages(Pid, [Tag | TraceTags]) -> receive - {trace, Pid, Tag, _Data} -> ok; - AnythingElse -> - ct:pal("Unexpected message: ~p~nWhile expected {trace, _, ~p, _}", - [AnythingElse, Tag]), - ?assert(false) - end, - expect_trace_messages(Pid, TraceTags). + {trace, Pid, Tag, _Data} -> + expect_trace_messages(Pid, TraceTags) + after 4000 -> + ct:fail("Didn't receive tag ~p within 4000ms", [Tag]) + end. + +check_no_unexpected_messages() -> + receive + Anything -> + ct:fail("Unexpected message: ~p", [Anything]) + after 0 -> + ok + end. diff --git a/erts/emulator/test/nif_SUITE.erl b/erts/emulator/test/nif_SUITE.erl index 1eb58699b2..bcea9e3539 100644 --- a/erts/emulator/test/nif_SUITE.erl +++ b/erts/emulator/test/nif_SUITE.erl @@ -488,7 +488,7 @@ select(Config) when is_list(Config) -> %% Wait for read eagain = read_nif(R, 3), 0 = select_nif(R,?ERL_NIF_SELECT_READ,R,null,Ref), - [] = flush(), + [] = flush(0), ok = write_nif(W, <<"hej">>), [{select, R, Ref, ready_input}] = flush(), 0 = select_nif(R,?ERL_NIF_SELECT_READ,R,self(),Ref2), @@ -505,7 +505,7 @@ select(Config) when is_list(Config) -> %% Wait for write Written = write_full(W, $a), 0 = select_nif(W,?ERL_NIF_SELECT_WRITE,W,self(),Ref), - [] = flush(), + [] = flush(0), Written = read_nif(R,byte_size(Written)), [{select, W, Ref, ready_output}] = flush(), @@ -515,7 +515,7 @@ select(Config) when is_list(Config) -> [{fd_resource_stop, W_ptr, _}] = flush(), {1, {W_ptr,_}} = last_fd_stop_call(), true = is_closed_nif(W), - [] = flush(), + [] = flush(0), 0 = select_nif(R,?ERL_NIF_SELECT_READ,R,self(),Ref), [{select, R, Ref, ready_input}] = flush(), eof = read_nif(R,1), @@ -540,7 +540,7 @@ select_2(Config) -> 0 = select_nif(R,?ERL_NIF_SELECT_READ,R,null,Ref1), 0 = select_nif(R,?ERL_NIF_SELECT_READ,R,self(),Ref2), - [] = flush(), + [] = flush(0), ok = write_nif(W, <<"hej">>), [{select, R, Ref2, ready_input}] = flush(), <<"hej">> = read_nif(R, 3), @@ -551,7 +551,7 @@ select_2(Config) -> Papa = self(), spawn_link(fun() -> 0 = select_nif(R,?ERL_NIF_SELECT_READ,R,null,Ref1), - [] = flush(), + [] = flush(0), Papa ! sync, [{select, R, Ref1, ready_input}] = flush(), <<"hej">> = read_nif(R, 3), @@ -560,7 +560,7 @@ select_2(Config) -> sync = receive_any(), ok = write_nif(W, <<"hej">>), done = receive_any(), - [] = flush(), + [] = flush(0), check_stop_ret(select_nif(R,?ERL_NIF_SELECT_STOP,R,null,Ref1)), [{fd_resource_stop, R_ptr, _}] = flush(), @@ -629,6 +629,15 @@ monitor_process_a(Config) -> monitor_process_b(Config) -> ensure_lib_loaded(Config), + monitor_process_b_do(false), + case erlang:system_info(threads) of + true -> monitor_process_b_do(true); + false -> ok + end, + ok. + + +monitor_process_b_do(FromThread) -> Pid = spawn_link(fun() -> receive return -> ok @@ -637,8 +646,11 @@ monitor_process_b(Config) -> R_ptr = alloc_monitor_resource_nif(), {0,_} = monitor_process_nif(R_ptr, Pid, true, self()), [R_ptr] = monitored_by(Pid), - ok = release_resource(R_ptr), - [] = flush(), + case FromThread of + false -> ok = release_resource(R_ptr); + true -> ok = release_resource_from_thread(R_ptr) + end, + [] = flush(0), {R_ptr, _, 1} = last_resource_dtor_call(), [] = monitored_by(Pid), Pid ! return, @@ -660,7 +672,7 @@ monitor_process_c(Config) -> exit end), [{Pid, done, R_ptr, Mon1}, - {monitor_resource_down, R_ptr, Pid, Mon2}] = flush(), + {monitor_resource_down, R_ptr, Pid, Mon2}] = flush(2), compare_monitors_nif(Mon1, Mon2), {R_ptr, _, 1} = last_resource_dtor_call(), ok. @@ -708,7 +720,7 @@ demonitor_process(Config) -> 1 = demonitor_process_nif(R_ptr, MonBin2), ok = release_resource(R_ptr), - [] = flush(), + [] = flush(0), {R_ptr, _, 1} = last_resource_dtor_call(), [] = monitored_by(Pid), Pid ! return, @@ -2307,10 +2319,16 @@ receive_any(Timeout) -> after Timeout -> timeout end. flush() -> - flush(10). -flush(Timeout) -> + flush(1). + +flush(0) -> + flush(0, 10); % don't waste too much time waiting for nothing +flush(N) -> + flush(N, 1000). + +flush(N, Timeout) -> receive M -> - [M | flush(Timeout)] + [M | flush(N-1)] after Timeout -> [] end. @@ -2619,9 +2637,9 @@ nif_snprintf(Config) -> nif_internal_hash(Config) -> ensure_lib_loaded(Config), HashValueBitSize = nif_hash_result_bitsize(internal), - Terms = unique([random_term() || _ <- lists:seq(1, 5000)]), + Terms = unique([random_term() || _ <- lists:seq(1, 500)]), HashValues = [hash_nif(internal, Term, 0) || Term <- Terms], - test_bit_distribution_fitness(HashValues, HashValueBitSize, 0.05). + test_bit_distribution_fitness(HashValues, HashValueBitSize). nif_internal_hash_salted(Config) -> ensure_lib_loaded(Config), @@ -2630,7 +2648,7 @@ nif_internal_hash_salted(Config) -> nif_phash2(Config) -> ensure_lib_loaded(Config), HashValueBitSize = nif_hash_result_bitsize(phash2), - Terms = unique([random_term() || _ <- lists:seq(1, 5000)]), + Terms = unique([random_term() || _ <- lists:seq(1, 500)]), HashValues = lists:map( fun (Term) -> @@ -2643,12 +2661,12 @@ nif_phash2(Config) -> HashValue end, Terms), - test_bit_distribution_fitness(HashValues, HashValueBitSize, 0.05). + test_bit_distribution_fitness(HashValues, HashValueBitSize). test_salted_nif_hash(HashType) -> HashValueBitSize = nif_hash_result_bitsize(HashType), - Terms = unique([random_term() || _ <- lists:seq(1, 5000)]), - Salts = unique([random_uint32() || _ <- lists:seq(1, 100)]), + Terms = unique([random_term() || _ <- lists:seq(1, 500)]), + Salts = unique([random_uint32() || _ <- lists:seq(1, 50)]), {HashValuesPerSalt, HashValuesPerTerm} = lists:mapfoldl( fun (Salt, Acc) -> @@ -2669,22 +2687,20 @@ test_salted_nif_hash(HashType) -> % Test per-salt hash distribution of different terms lists:foreach( fun ({_Salt, HashValues}) -> - test_bit_distribution_fitness(HashValues, HashValueBitSize, 0.05) + test_bit_distribution_fitness(HashValues, HashValueBitSize) end, HashValuesPerSalt), % Test per-term hash distribution of different salts dict:fold( fun (_Term, HashValues, Acc) -> - % Be more tolerant of relative deviation, - % as there's fewer hash values here. - test_bit_distribution_fitness(HashValues, HashValueBitSize, 0.30), + test_bit_distribution_fitness(HashValues, HashValueBitSize), Acc end, ok, HashValuesPerTerm). -test_bit_distribution_fitness(Integers, BitSize, MaxRelativeDeviation) -> +test_bit_distribution_fitness(Integers, BitSize) -> MaxInteger = (1 bsl BitSize) - 1, OnesPerBit = lists:foldl( @@ -2700,19 +2716,29 @@ test_bit_distribution_fitness(Integers, BitSize, MaxRelativeDeviation) -> orddict:new(), Integers), - ExpectedNrOfOnes = length(Integers) div 2, + N = length(Integers), + ExpectedNrOfOnes = N div 2, + %% ExpectedNrOfOnes should have a binomial distribution + %% with a standard deviation as: + ExpectedStdDev = math:sqrt(N) / 2, + %% which can be approximated as a normal distribution + %% where we allow a deviation of 6 std.devs + %% for a fail probability of 0.000000002: + MaxStdDevs = 6, + FailureText = orddict:fold( fun (BitIndex, NrOfOnes, Acc) -> - RelativeDeviation = abs(NrOfOnes - ExpectedNrOfOnes) / length(Integers), - case RelativeDeviation >= MaxRelativeDeviation of - false -> Acc; + Deviation = abs(NrOfOnes - ExpectedNrOfOnes) / ExpectedStdDev, + case Deviation >= MaxStdDevs of + false -> + Acc; true -> [Acc, io_lib:format( "Unreasonable deviation on number of set bits (i=~p): " - "expected ~p, got ~p (relative dev. ~.3f)~n", - [BitIndex, ExpectedNrOfOnes, NrOfOnes, RelativeDeviation])] + "expected ~p, got ~p (# std.dev ~.3f > ~p)~n", + [BitIndex, ExpectedNrOfOnes, NrOfOnes, Deviation, MaxStdDevs])] end end, [], @@ -2789,6 +2815,7 @@ alloc_resource(_,_) -> ?nif_stub. make_resource(_) -> ?nif_stub. get_resource(_,_) -> ?nif_stub. release_resource(_) -> ?nif_stub. +release_resource_from_thread(_) -> ?nif_stub. last_resource_dtor_call() -> ?nif_stub. make_new_resource(_,_) -> ?nif_stub. check_is(_,_,_,_,_,_,_,_,_,_,_) -> ?nif_stub. diff --git a/erts/emulator/test/nif_SUITE_data/nif_SUITE.c b/erts/emulator/test/nif_SUITE_data/nif_SUITE.c index 3747291e7e..15d31162ed 100644 --- a/erts/emulator/test/nif_SUITE_data/nif_SUITE.c +++ b/erts/emulator/test/nif_SUITE_data/nif_SUITE.c @@ -972,6 +972,30 @@ static ERL_NIF_TERM release_resource(ErlNifEnv* env, int argc, const ERL_NIF_TER return enif_make_atom(env,"ok"); } +static void* threaded_release_resource(void* resource) +{ + enif_release_resource(resource); +} + +static ERL_NIF_TERM release_resource_from_thread(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + void* resource; + ErlNifTid tid; + int err; + + if (!get_pointer(env, argv[0], &resource)) { + return enif_make_badarg(env); + } + if (enif_thread_create("nif_SUITE:release_resource_from_thread", &tid, + threaded_release_resource, resource, NULL) != 0) { + return enif_make_badarg(env); + } + err = enif_thread_join(tid, NULL); + assert(err == 0); + return atom_ok; +} + + /* * argv[0] an atom * argv[1] a binary @@ -2537,6 +2561,7 @@ static ERL_NIF_TERM monitor_frenzy_nif(ErlNifEnv* env, int argc, const ERL_NIF_T static unsigned long spawn_cnt = 0; static unsigned long kill_cnt = 0; static unsigned long proc_histogram[FRENZY_PROCS_MAX]; + static int initialized = 0; static const unsigned int primes[] = {7, 13, 17, 19}; @@ -2556,7 +2581,7 @@ static ERL_NIF_TERM monitor_frenzy_nif(ErlNifEnv* env, int argc, const ERL_NIF_T if (enif_is_atom(env, Op)) { if (Op == atom_init) { - if (procs_lock || !enif_get_uint(env, Rnd, &frenzy_rand_bits_max)) + if (initialized || !enif_get_uint(env, Rnd, &frenzy_rand_bits_max)) return enif_make_badarg(env); procs_lock = enif_mutex_create("nif_SUITE:monitor_frenzy.procs"); @@ -2583,6 +2608,7 @@ static ERL_NIF_TERM monitor_frenzy_nif(ErlNifEnv* env, int argc, const ERL_NIF_T spawn_cnt = 1; kill_cnt = 0; + initialized = 1; return enif_make_uint(env, 0); /* SelfPix */ } else if (Op == atom_stats) { @@ -2613,7 +2639,7 @@ static ERL_NIF_TERM monitor_frenzy_nif(ErlNifEnv* env, int argc, const ERL_NIF_T enif_make_ulong(env, res_dtor_cnt))); } - else if (Op == atom_stop && procs_lock) { /* stop all */ + else if (Op == atom_stop && initialized) { /* stop all */ /* Release all resources */ for (rix = 0; rix < FRENZY_RESOURCES_MAX; rix++) { @@ -2903,6 +2929,7 @@ static ErlNifFunc nif_funcs[] = {"make_resource", 1, make_resource}, {"get_resource", 2, get_resource}, {"release_resource", 1, release_resource}, + {"release_resource_from_thread", 1, release_resource_from_thread}, {"last_resource_dtor_call", 0, last_resource_dtor_call}, {"make_new_resource", 2, make_new_resource}, {"check_is", 11, check_is}, |