diff options
Diffstat (limited to 'erts')
-rw-r--r-- | erts/doc/src/erl_nif.xml | 35 | ||||
-rw-r--r-- | erts/emulator/beam/erl_nif.c | 11 | ||||
-rw-r--r-- | erts/emulator/beam/erl_process.c | 3 | ||||
-rw-r--r-- | erts/emulator/beam/io.c | 1 | ||||
-rw-r--r-- | erts/emulator/test/sensitive_SUITE.erl | 3 | ||||
-rw-r--r-- | erts/test/otp_SUITE.erl | 38 |
6 files changed, 60 insertions, 31 deletions
diff --git a/erts/doc/src/erl_nif.xml b/erts/doc/src/erl_nif.xml index 8daa67aa87..5fc6508aad 100644 --- a/erts/doc/src/erl_nif.xml +++ b/erts/doc/src/erl_nif.xml @@ -136,9 +136,7 @@ ok then retrieved by calling <seealso marker="#enif_priv_data">enif_priv_data</seealso>.</p> <p>There is no way to explicitly unload a NIF library. A library will be automatically unloaded when the module code that it belongs to is purged - by the code server. A NIF library will also be unloaded if it is replaced - by another version of the library by a second call to - <c>erlang:load_nif/2</c> from the same module code.</p> + by the code server.</p> </description> <section> <title>FUNCTIONALITY</title> @@ -308,21 +306,9 @@ ok initialization is needed.</p> </item> - <tag><marker id="reload"/>int (*reload)(ErlNifEnv* env, void** priv_data, ERL_NIF_TERM load_info)</tag> - <item><p><c>reload</c> is called when the NIF library is loaded - and there is already a previously loaded library for this - module code.</p> - <p>Works the same as <c>load</c>. The only difference is that - <c>*priv_data</c> already contains the value set by the - previous call to <c>load</c> or <c>reload</c>.</p> - <p>The library will fail to load if <c>reload</c> returns - anything other than 0 or if <c>reload</c> is NULL.</p> - </item> - <tag><marker id="upgrade"/>int (*upgrade)(ErlNifEnv* env, void** priv_data, void** old_priv_data, ERL_NIF_TERM load_info)</tag> <item><p><c>upgrade</c> is called when the NIF library is loaded - and there is no previously loaded library for this module - code, BUT there is old code of this module with a loaded NIF library.</p> + and there is old code of this module with a loaded NIF library.</p> <p>Works the same as <c>load</c>. The only difference is that <c>*old_priv_data</c> already contains the value set by the last call to <c>load</c> or <c>reload</c> for the old module @@ -339,6 +325,23 @@ ok called for a replaced library as a consequence of <c>reload</c>.</p> </item> + <tag><marker id="reload"/>int (*reload)(ErlNifEnv* env, void** priv_data, ERL_NIF_TERM load_info)</tag> + <note><p>The reload mechanism is <em>deprecated</em>. It was only intended + as a development feature. Do not use it as an upgrade method for + live production systems. It might be removed in future releases. Be sure + to pass <c>reload</c> as <c>NULL</c> to <seealso marker="#ERL_NIF_INIT">ERL_NIF_INIT</seealso> + to disable it when not used.</p> + </note> + <item><p><c>reload</c> is called when the NIF library is loaded + and there is already a previously loaded library for this + module code.</p> + <p>Works the same as <c>load</c>. The only difference is that + <c>*priv_data</c> already contains the value set by the + previous call to <c>load</c> or <c>reload</c>.</p> + <p>The library will fail to load if <c>reload</c> returns + anything other than 0 or if <c>reload</c> is NULL.</p> + </item> + </taglist> </section> diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c index 143f631f58..58a09986d2 100644 --- a/erts/emulator/beam/erl_nif.c +++ b/erts/emulator/beam/erl_nif.c @@ -1507,6 +1507,7 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2) Eterm ret = am_ok; int veto; struct erl_module_nif* lib = NULL; + int reload_warning = 0; len = list_length(BIF_ARG_1); if (len < 0) { @@ -1646,6 +1647,7 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2) else { mod->nif->entry = NULL; /* to prevent 'unload' callback */ erts_unload_nif(mod->nif); + reload_warning = 1; } } else { @@ -1714,6 +1716,15 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2) erts_smp_thr_progress_unblock(); erts_smp_proc_lock(BIF_P, ERTS_PROC_LOCK_MAIN); erts_free(ERTS_ALC_T_TMP, lib_name); + + if (reload_warning) { + erts_dsprintf_buf_t* dsbufp = erts_create_logger_dsbuf(); + erts_dsprintf(dsbufp, + "Repeated calls to erlang:load_nif from module '%T'.\n\n" + "The NIF reload mechanism is deprecated and must not " + "be used in production systems.\n", mod_atom); + erts_send_warning_to_logger(BIF_P->group_leader, dsbufp); + } BIF_RET(ret); } diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c index ec4b1dcd98..055211ad9b 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -909,7 +909,7 @@ handle_async_ready_clean(ErtsAuxWorkData *awdp, #ifdef ERTS_SMP if (awdp->async_ready.need_thr_prgr - && !erts_thr_progress_has_reached(awdp->misc.thr_prgr)) { + && !erts_thr_progress_has_reached(awdp->async_ready.thr_prgr)) { return aux_work & ~ERTS_SSI_AUX_WORK_ASYNC_READY_CLEAN; } @@ -928,6 +928,7 @@ handle_async_ready_clean(ErtsAuxWorkData *awdp, erts_thr_progress_wakeup(awdp->esdp, awdp->async_ready.thr_prgr); awdp->async_ready.need_thr_prgr = 1; + return aux_work & ~ERTS_SSI_AUX_WORK_ASYNC_READY_CLEAN; #endif default: return aux_work; diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c index c2cc03509e..759621d3c2 100644 --- a/erts/emulator/beam/io.c +++ b/erts/emulator/beam/io.c @@ -644,7 +644,6 @@ erts_open_driver(erts_driver_t* driver, /* Pointer to driver. */ name, opts); erts_unblock_fpe(fpe_was_unmasked); port->caller = NIL; - erts_unblock_fpe(fpe_was_unmasked); if (IS_TRACED_FL(port, F_TRACE_SCHED_PORTS)) { trace_sched_ports_where(port, am_out, am_start); } diff --git a/erts/emulator/test/sensitive_SUITE.erl b/erts/emulator/test/sensitive_SUITE.erl index 634df367ca..e073eab596 100644 --- a/erts/emulator/test/sensitive_SUITE.erl +++ b/erts/emulator/test/sensitive_SUITE.erl @@ -160,8 +160,7 @@ recv_trace(Config) when is_list(Config) -> ?line {messages,Messages} = process_info(Tracer, messages), [{trace,Parent,'receive',a}, {trace,Parent,'receive',{trace_delivered,_,_}}, - {trace,Parent,'receive',c}, - {trace,Parent,'receive',{trace_delivered,_,_}}] = Messages, + {trace,Parent,'receive',c}|_] = Messages, ?line unlink(Tracer), exit(Tracer, kill), ?line unlink(Sender), exit(Sender, kill), diff --git a/erts/test/otp_SUITE.erl b/erts/test/otp_SUITE.erl index d61fbbddcf..79cd91221f 100644 --- a/erts/test/otp_SUITE.erl +++ b/erts/test/otp_SUITE.erl @@ -94,15 +94,16 @@ undefined_functions(Config) when is_list(Config) -> case Undef of [] -> ok; _ -> + Fd = open_log(Config, "undefined_functions"), foreach(fun ({MFA1,MFA2}) -> io:format("~s calls undefined ~s", + [format_mfa(MFA1),format_mfa(MFA2)]), + io:format(Fd, "~s ~s\n", [format_mfa(MFA1),format_mfa(MFA2)]) end, Undef), + close_log(Fd), ?line ?t:fail({length(Undef),undefined_functions_in_otp}) - - end, - - ok. + end. hipe_filter(Undef) -> case erlang:system_info(hipe_architecture) of @@ -211,7 +212,10 @@ deprecated_not_in_obsolete(Config) when is_list(Config) -> _ -> io:put_chars("The following functions have -deprecated() attributes,\n" "but are not listed in otp_internal:obsolete/3.\n"), - ?line print_mfas(L), + ?line print_mfas(group_leader(), L), + Fd = open_log(Config, "deprecated_not_obsolete"), + print_mfas(Fd, L), + close_log(Fd), ?line ?t:fail({length(L),deprecated_but_not_obsolete}) end. @@ -232,11 +236,13 @@ obsolete_but_not_deprecated(Config) when is_list(Config) -> io:put_chars("The following functions are listed " "in otp_internal:obsolete/3,\n" "but don't have -deprecated() attributes.\n"), - ?line print_mfas(L), + ?line print_mfas(group_leader(), L), + Fd = open_log(Config, "obsolete_not_deprecated"), + print_mfas(Fd, L), + close_log(Fd), ?line ?t:fail({length(L),obsolete_but_not_deprecated}) end. - call_to_deprecated(Config) when is_list(Config) -> Server = ?config(xref_server, Config), ?line {ok,DeprecatedCalls} = xref:q(Server, "strict(E || DF)"), @@ -302,10 +308,20 @@ strong_components(Config) when is_list(Config) -> %%% -print_mfas([MFA|T]) -> - io:format("~s\n", [format_mfa(MFA)]), - print_mfas(T); -print_mfas([]) -> ok. +print_mfas(Fd, [MFA|T]) -> + io:format(Fd, "~s\n", [format_mfa(MFA)]), + print_mfas(Fd, T); +print_mfas(_, []) -> ok. format_mfa({M,F,A}) -> lists:flatten(io_lib:format("~s:~s/~p", [M,F,A])). + +open_log(Config, Name) -> + PrivDir = ?config(priv_dir, Config), + RunDir = filename:dirname(filename:dirname(PrivDir)), + Path = filename:join(RunDir, "system_"++Name++".log"), + {ok,Fd} = file:open(Path, [write]), + Fd. + +close_log(Fd) -> + ok = file:close(Fd). |