diff options
Diffstat (limited to 'erts/emulator/beam/erl_init.c')
-rw-r--r-- | erts/emulator/beam/erl_init.c | 108 |
1 files changed, 40 insertions, 68 deletions
diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c index 163724ed3c..547e4064a2 100644 --- a/erts/emulator/beam/erl_init.c +++ b/erts/emulator/beam/erl_init.c @@ -128,7 +128,7 @@ const Eterm etp_hole_marker = 0; static int modified_sched_thread_suggested_stack_size = 0; -Eterm erts_init_process_id; +Eterm erts_init_process_id = ERTS_INVALID_PID; /* * Note about VxWorks: All variables must be initialized by executable code, @@ -163,7 +163,6 @@ int erts_initialized = 0; * Configurable parameters. */ -Uint display_items; /* no of items to display in traces etc */ int H_MIN_SIZE; /* The minimum heap grain */ int BIN_VH_MIN_SIZE; /* The minimum binary virtual*/ int H_MAX_SIZE; /* The maximum heap size */ @@ -354,6 +353,7 @@ erl_init(int ncpu, erts_init_bif(); erts_init_bif_chksum(); erts_init_bif_binary(); + erts_init_bif_guard(); erts_init_bif_persistent_term(); erts_init_bif_re(); erts_init_unicode(); /* after RE to get access to PCRE unicode */ @@ -376,6 +376,7 @@ erl_init(int ncpu, } static Eterm + erl_spawn_system_process(Process* parent, Eterm mod, Eterm func, Eterm args, ErlSpawnOpts *so) { @@ -397,16 +398,15 @@ erl_spawn_system_process(Process* parent, Eterm mod, Eterm func, Eterm args, } static Eterm -erl_first_process_otp(char* modname, void* code, unsigned size, int argc, char** argv) +erl_first_process_otp(char* mod_name, int argc, char** argv) { int i; - Eterm start_mod; Eterm args; Eterm res; Eterm* hp; Process parent; ErlSpawnOpts so; - Eterm env; + Eterm boot_mod; /* * We need a dummy parent process to be able to call erl_create_process(). @@ -422,16 +422,14 @@ erl_first_process_otp(char* modname, void* code, unsigned size, int argc, char** args = CONS(hp, new_binary(&parent, (byte*)argv[i], len), args); hp += 2; } - env = new_binary(&parent, code, size); + boot_mod = erts_atom_put((byte *) mod_name, sys_strlen(mod_name), + ERTS_ATOM_ENC_LATIN1, 1); args = CONS(hp, args, NIL); hp += 2; - args = CONS(hp, env, args); - - start_mod = erts_atom_put((byte *) modname, sys_strlen(modname), - ERTS_ATOM_ENC_LATIN1, 1); + args = CONS(hp, boot_mod, args); so.flags = erts_default_spo_flags; - res = erl_spawn_system_process(&parent, start_mod, am_start, args, &so); + res = erl_spawn_system_process(&parent, am_erl_init, am_start, args, &so); ASSERT(is_internal_pid(res)); erts_proc_unlock(&parent, ERTS_PROC_LOCK_MAIN); @@ -527,7 +525,6 @@ erts_preloaded(Process* p) /* static variables that must not change (use same values at restart) */ static char* program; static char* init = "init"; -static char* boot = "boot"; static int boot_argc; static char** boot_argv; @@ -581,9 +578,6 @@ void erts_usage(void) int this_rel = this_rel_num(); erts_fprintf(stderr, "Usage: %s [flags] [ -- [init_args] ]\n", progname(program)); erts_fprintf(stderr, "The flags are:\n\n"); - - /* erts_fprintf(stderr, "-# number set the number of items to be used in traces etc\n"); */ - erts_fprintf(stderr, "-a size suggested stack size in kilo words for threads\n"); erts_fprintf(stderr, " in the async-thread pool, valid range is [%d-%d]\n", ERTS_ASYNC_THREAD_MIN_STACK_SIZE, @@ -591,18 +585,15 @@ void erts_usage(void) erts_fprintf(stderr, "-A number set number of threads in async thread pool,\n"); erts_fprintf(stderr, " valid range is [0-%d]\n", ERTS_MAX_NO_OF_ASYNC_THREADS); - erts_fprintf(stderr, "-B[c|d|i] c to have Ctrl-c interrupt the Erlang shell,\n"); erts_fprintf(stderr, " d (or no extra option) to disable the break\n"); erts_fprintf(stderr, " handler, i to ignore break signals\n"); - - /* erts_fprintf(stderr, "-b func set the boot function (default boot)\n"); */ - erts_fprintf(stderr, "-c bool enable or disable time correction\n"); erts_fprintf(stderr, "-C mode set time warp mode; valid modes are:\n"); erts_fprintf(stderr, " no_time_warp|single_time_warp|multi_time_warp\n"); erts_fprintf(stderr, "-d don't write a crash dump for internally detected errors\n"); erts_fprintf(stderr, " (halt(String) will still produce a crash dump)\n"); + erts_fprintf(stderr, "-dcg set the limit for the number of decentralized counter groups\n"); erts_fprintf(stderr, "-fn[u|a|l] Control how filenames are interpreted\n"); erts_fprintf(stderr, "-hms size set minimum heap size in words (default %d)\n", H_DEFAULT_SIZE); @@ -616,7 +607,6 @@ void erts_usage(void) erts_pd_initial_size); erts_fprintf(stderr, "-hmqd val set default message queue data flag for processes,\n"); erts_fprintf(stderr, " valid values are: off_heap | on_heap\n"); - erts_fprintf(stderr, "-IOp number set number of pollsets to be used to poll for I/O,\n"); erts_fprintf(stderr, " This value has to be equal or smaller than the\n"); erts_fprintf(stderr, " number of poll threads. If the current platform\n"); @@ -627,9 +617,7 @@ void erts_usage(void) erts_fprintf(stderr, " number of poll threads."); erts_fprintf(stderr, "-IOPt number set number of threads to be used to poll for I/O\n"); erts_fprintf(stderr, " as a percentage of the number of schedulers."); - - /* erts_fprintf(stderr, "-i module set the boot module (default init)\n"); */ - + erts_fprintf(stderr, "-i module set the boot module (default init)\n"); erts_fprintf(stderr, "-n[s|a|d] Control behavior of signals to ports\n"); erts_fprintf(stderr, " Note that this flag is deprecated!\n"); erts_fprintf(stderr, "-M<X> <Y> memory allocator switches,\n"); @@ -644,7 +632,6 @@ void erts_usage(void) erts_fprintf(stderr, "-R number set compatibility release number,\n"); erts_fprintf(stderr, " valid range [%d-%d]\n", this_rel-2, this_rel); - erts_fprintf(stderr, "-r force ets memory block to be moved on realloc\n"); erts_fprintf(stderr, "-rg amount set reader groups limit\n"); erts_fprintf(stderr, "-sbt type set scheduler bind type, valid types are:\n"); @@ -715,9 +702,7 @@ void erts_usage(void) erts_fprintf(stderr, "-T number set modified timing level, valid range is [0-%d]\n", ERTS_MODIFIED_TIMING_LEVELS-1); erts_fprintf(stderr, "-V print Erlang version\n"); - erts_fprintf(stderr, "-v turn on chatty mode (GCs will be reported etc)\n"); - erts_fprintf(stderr, "-W<i|w|e> set error logger warnings mapping,\n"); erts_fprintf(stderr, " see error_logger documentation for details\n"); erts_fprintf(stderr, "-zdbbl size set the distribution buffer busy limit in kilobytes\n"); @@ -729,9 +714,6 @@ void erts_usage(void) erts_fprintf(stderr, "-zebwt val set ets busy wait threshold, valid values are:\n"); erts_fprintf(stderr, " none|very_short|short|medium|long|very_long|extremely_long\n"); #endif - erts_fprintf(stderr, "-ztma bool enable/disable tuple module apply support in emulator\n"); - erts_fprintf(stderr, " (transitional flag for parameterized modules; recompile\n"); - erts_fprintf(stderr, " with +tuple_calls for compatibility with future versions)\n"); erts_fprintf(stderr, "\n"); erts_fprintf(stderr, "Note that if the emulator is started with erlexec (typically\n"); erts_fprintf(stderr, "from the erl script), these flags should be specified with +.\n"); @@ -804,6 +786,8 @@ early_init(int *argc, char **argv) /* int dirty_io_scheds; int max_reader_groups; int reader_groups; + int max_decentralized_counter_groups; + int decentralized_counter_groups; char envbuf[21]; /* enough for any 64-bit integer */ size_t envbufsz; @@ -811,7 +795,6 @@ early_init(int *argc, char **argv) /* erts_sched_compact_load = 1; erts_printf_eterm_func = erts_printf_term; - display_items = 200; erts_backtrace_depth = DEFAULT_BACKTRACE_SIZE; erts_async_max_threads = ERTS_DEFAULT_NO_ASYNC_THREADS; erts_async_thread_suggested_stack_size = ERTS_ASYNC_THREAD_MIN_STACK_SIZE; @@ -824,7 +807,8 @@ early_init(int *argc, char **argv) /* erts_initialized = 0; - erts_pre_early_init_cpu_topology(&max_reader_groups, + erts_pre_early_init_cpu_topology(&max_decentralized_counter_groups, + &max_reader_groups, &ncpu, &ncpuonln, &ncpuavail); @@ -885,6 +869,24 @@ early_init(int *argc, char **argv) /* } if (argv[i][0] == '-') { switch (argv[i][1]) { + case 'd': { + char *sub_param = argv[i]+2; + if (has_prefix("cg", sub_param)) { + char *arg = get_arg(sub_param+2, argv[i+1], &i); + if (sscanf(arg, "%d", &max_decentralized_counter_groups) != 1) { + erts_fprintf(stderr, + "bad decentralized counter groups limit: %s\n", arg); + erts_usage(); + } + if (max_decentralized_counter_groups < 0) { + erts_fprintf(stderr, + "bad decentralized counter groups limit: %d\n", + max_decentralized_counter_groups); + erts_usage(); + } + } + break; + } case 'r': { char *sub_param = argv[i]+2; if (has_prefix("g", sub_param)) { @@ -1206,8 +1208,10 @@ early_init(int *argc, char **argv) /* erts_early_init_cpu_topology(no_schedulers, &max_main_threads, max_reader_groups, - &reader_groups); - + &reader_groups, + max_decentralized_counter_groups, + &decentralized_counter_groups); + erts_flxctr_setup(decentralized_counter_groups); { erts_thr_late_init_data_t elid = ERTS_THR_LATE_INIT_DATA_DEF_INITER; elid.mem.std.alloc = ethr_std_alloc; @@ -1318,25 +1322,9 @@ erl_start(int argc, char **argv) /* * NOTE: -M flags are handled (and removed from argv) by - * erts_alloc_init(). - * - * The -d, -m, -S, -t, and -T flags was removed in - * Erlang 5.3/OTP R9C. - * - * -S, and -T has been reused in Erlang 5.5/OTP R11B. - * - * -d has been reused in a patch R12B-4. + * erts_alloc_init(). */ - case '#' : - arg = get_arg(argv[i]+2, argv[i+1], &i); - if ((display_items = atoi(arg)) == 0) { - erts_fprintf(stderr, "bad display items%s\n", arg); - erts_usage(); - } - VERBOSE(DEBUG_SYSTEM, - ("using display items %d\n",display_items)); - break; case 'p': if (!sys_strncmp(argv[i],"-pc",3)) { int printable_chars = ERL_PRINTABLE_CHARACTERS_LATIN1; @@ -1615,11 +1603,6 @@ erl_start(int argc, char **argv) init = get_arg(argv[i]+2, argv[i+1], &i); break; - case 'b': - /* define name of initial function */ - boot = get_arg(argv[i]+2, argv[i+1], &i); - break; - case 'B': if (argv[i][2] == 'i') /* +Bi */ ignore_break = 1; @@ -2215,17 +2198,6 @@ erl_start(int argc, char **argv) erts_usage(); } } - else if (has_prefix("tma", sub_param)) { - arg = get_arg(sub_param+3, argv[i+1], &i); - if (sys_strcmp(arg,"true") == 0) { - tuple_module_apply = 1; - } else if (sys_strcmp(arg,"false") == 0) { - tuple_module_apply = 0; - } else { - erts_fprintf(stderr, "bad tuple module apply %s\n", arg); - erts_usage(); - } - } else { erts_fprintf(stderr, "bad -z option %s\n", argv[i]); erts_usage(); @@ -2316,8 +2288,8 @@ erl_start(int argc, char **argv) erts_initialized = 1; - erts_init_process_id = erl_first_process_otp("otp_ring0", NULL, 0, - boot_argc, boot_argv); + erts_init_process_id = erl_first_process_otp(init, boot_argc, boot_argv); + ASSERT(erts_init_process_id != ERTS_INVALID_PID); { /* |