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-rw-r--r--erts/emulator/beam/erl_init.c239
1 files changed, 190 insertions, 49 deletions
diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c
index 1eb3dba240..223c9c4d7e 100644
--- a/erts/emulator/beam/erl_init.c
+++ b/erts/emulator/beam/erl_init.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 1997-2012. All Rights Reserved.
+ * Copyright Ericsson AB 1997-2013. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -44,6 +44,7 @@
#include "erl_thr_progress.h"
#include "erl_thr_queue.h"
#include "erl_async.h"
+#include "erl_ptab.h"
#ifdef HIPE
#include "hipe_mode_switch.h" /* for hipe_mode_switch_init() */
@@ -54,6 +55,68 @@
# include <sys/resource.h>
#endif
+#define ERTS_DEFAULT_NO_ASYNC_THREADS 10
+
+/*
+ * The variables below (prefixed with etp_) are for erts/etc/unix/etp-commands
+ * only. Do not remove even though they aren't used elsewhere in the emulator!
+ */
+#ifdef ERTS_SMP
+const int etp_smp_compiled = 1;
+#else
+const int etp_smp_compiled = 0;
+#endif
+#ifdef USE_THREADS
+const int etp_thread_compiled = 1;
+#else
+const int etp_thread_compiled = 0;
+#endif
+const char etp_erts_version[] = ERLANG_VERSION;
+const char etp_otp_release[] = ERLANG_OTP_RELEASE;
+const char etp_compile_date[] = ERLANG_COMPILE_DATE;
+const char etp_arch[] = ERLANG_ARCHITECTURE;
+#ifdef ERTS_ENABLE_KERNEL_POLL
+const int etp_kernel_poll_support = 1;
+#else
+const int etp_kernel_poll_support = 0;
+#endif
+#if defined(ARCH_64)
+const int etp_arch_bits = 64;
+#elif defined(ARCH_32)
+const int etp_arch_bits = 32;
+#else
+# error "Not 64-bit, nor 32-bit arch"
+#endif
+#if HALFWORD_HEAP
+const int etp_halfword = 1;
+#else
+const int etp_halfword = 0;
+#endif
+#ifdef HIPE
+const int etp_hipe = 1;
+#else
+const int etp_hipe = 0;
+#endif
+#ifdef DEBUG
+const int etp_debug_compiled = 1;
+#else
+const int etp_debug_compiled = 0;
+#endif
+#ifdef ERTS_ENABLE_LOCK_COUNT
+const int etp_lock_count = 1;
+#else
+const int etp_lock_count = 0;
+#endif
+#ifdef ERTS_ENABLE_LOCK_CHECK
+const int etp_lock_check = 1;
+#else
+const int etp_lock_check = 0;
+#endif
+#ifdef WORDS_BIGENDIAN
+const int etp_big_endian = 1;
+#else
+const int etp_big_endian = 0;
+#endif
/*
* Note about VxWorks: All variables must be initialized by executable code,
* not by an initializer. Otherwise a new instance of the emulator will
@@ -66,9 +129,10 @@ extern void ConNormalExit(void);
extern void ConWaitForExit(void);
#endif
-static void erl_init(int ncpu);
-
-#define ERTS_MIN_COMPAT_REL 7
+static void erl_init(int ncpu,
+ int proc_tab_sz,
+ int port_tab_sz,
+ int port_tab_sz_ignore_files);
static erts_atomic_t exiting;
@@ -151,8 +215,6 @@ ErtsModifiedTimings erts_modified_timings[] = {
Export *erts_delay_trap = NULL;
-int erts_use_r9_pids_ports;
-
int ignore_break;
int replace_intr;
@@ -216,12 +278,18 @@ void
erts_short_init(void)
{
int ncpu = early_init(NULL, NULL);
- erl_init(ncpu);
+ erl_init(ncpu,
+ ERTS_DEFAULT_MAX_PROCESSES,
+ ERTS_DEFAULT_MAX_PORTS,
+ 0);
erts_initialized = 1;
}
static void
-erl_init(int ncpu)
+erl_init(int ncpu,
+ int proc_tab_sz,
+ int port_tab_sz,
+ int port_tab_sz_ignore_files)
{
init_benchmarking();
@@ -229,7 +297,7 @@ erl_init(int ncpu)
erts_init_gc();
erts_init_time();
erts_init_sys_common_misc();
- erts_init_process(ncpu);
+ erts_init_process(ncpu, proc_tab_sz);
erts_init_scheduling(no_schedulers,
no_schedulers_online);
erts_init_cpu_topology(); /* Must be after init_scheduling */
@@ -241,6 +309,7 @@ erl_init(int ncpu)
erts_init_trace();
erts_init_binary();
erts_init_bits();
+ erts_code_ix_init();
erts_init_fun_table();
init_atom_table();
init_export_table();
@@ -250,6 +319,7 @@ erl_init(int ncpu)
erts_bif_info_init();
erts_ddll_init();
init_emulator();
+ erts_ptab_init(); /* Must be after init_emulator() */
erts_bp_init();
init_db(); /* Must be after init_emulator */
erts_bif_timer_init();
@@ -257,7 +327,7 @@ erl_init(int ncpu)
init_dist();
erl_drv_thr_init();
erts_init_async();
- init_io();
+ erts_init_io(port_tab_sz, port_tab_sz_ignore_files);
init_load();
erts_init_bif();
erts_init_bif_chksum();
@@ -288,8 +358,9 @@ erl_first_process_otp(char* modname, void* code, unsigned size, int argc, char**
ErlSpawnOpts so;
Eterm env;
- start_mod = am_atom_put(modname, sys_strlen(modname));
- if (erts_find_function(start_mod, am_start, 2) == NULL) {
+ start_mod = erts_atom_put((byte *) modname, sys_strlen(modname), ERTS_ATOM_ENC_LATIN1, 1);
+ if (erts_find_function(start_mod, am_start, 2,
+ erts_active_code_ix()) == NULL) {
erl_exit(5, "No function %s:start/2\n", modname);
}
@@ -384,11 +455,11 @@ load_preloaded(void)
i = 0;
while ((name = preload_p[i].name) != NULL) {
length = preload_p[i].size;
- module_name = am_atom_put(name, sys_strlen(name));
+ module_name = erts_atom_put((byte *) name, sys_strlen(name), ERTS_ATOM_ENC_LATIN1, 1);
if ((code = sys_preload_begin(&preload_p[i])) == 0)
erl_exit(1, "Failed to find preloaded code for module %s\n",
name);
- res = erts_load_module(NULL, 0, NIL, &module_name, code, length);
+ res = erts_preload_module(NULL, 0, NIL, &module_name, code, length);
sys_preload_end(&preload_p[i]);
if (res != NIL)
erl_exit(1,"Failed loading preloaded module %s (%T)\n",
@@ -400,6 +471,7 @@ load_preloaded(void)
/* be helpful (or maybe downright rude:-) */
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");
@@ -433,21 +505,25 @@ void erts_usage(void)
/* erts_fprintf(stderr, "-i module set the boot module (default init)\n"); */
erts_fprintf(stderr, "-K boolean enable or disable kernel poll\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");
erts_fprintf(stderr, " see the erts_alloc(3) documentation for more info.\n");
erts_fprintf(stderr, "-P number set maximum number of processes on this node,\n");
erts_fprintf(stderr, " valid range is [%d-%d]\n",
- ERTS_MIN_PROCESSES, ERTS_MAX_PROCESSES);
+ ERTS_MIN_PROCESSES, ERTS_MAX_PROCESSES);
+ erts_fprintf(stderr, "-Q number set maximum number of ports on this node,\n");
+ erts_fprintf(stderr, " valid range is [%d-%d]\n",
+ ERTS_MIN_PORTS, ERTS_MAX_PORTS);
erts_fprintf(stderr, "-R number set compatibility release number,\n");
erts_fprintf(stderr, " valid range [%d-%d]\n",
- ERTS_MIN_COMPAT_REL, this_rel_num());
+ 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");
- erts_fprintf(stderr, " u|ns|ts|ps|s|nnts|nnps|tnnps|db\n");
+ erts_fprintf(stderr, "-stbt type u|ns|ts|ps|s|nnts|nnps|tnnps|db\n");
erts_fprintf(stderr, "-sbwt val set scheduler busy wait threshold, valid values are:\n");
erts_fprintf(stderr, " none|very_short|short|medium|long|very_long.\n");
erts_fprintf(stderr, "-scl bool enable/disable compaction of scheduler load,\n");
@@ -455,13 +531,14 @@ void erts_usage(void)
erts_fprintf(stderr, "-sct cput set cpu topology,\n");
erts_fprintf(stderr, " see the erl(1) documentation for more info.\n");
erts_fprintf(stderr, "-sws val set scheduler wakeup strategy, valid values are:\n");
- erts_fprintf(stderr, " default|legacy|proposal.\n");
+ erts_fprintf(stderr, " default|legacy.\n");
erts_fprintf(stderr, "-swt val set scheduler wakeup threshold, valid values are:\n");
erts_fprintf(stderr, " very_low|low|medium|high|very_high.\n");
erts_fprintf(stderr, "-sss size suggested stack size in kilo words for scheduler threads,\n");
erts_fprintf(stderr, " valid range is [%d-%d]\n",
ERTS_SCHED_THREAD_MIN_STACK_SIZE,
ERTS_SCHED_THREAD_MAX_STACK_SIZE);
+ erts_fprintf(stderr, "-spp Bool set port parallelism scheduling hint\n");
erts_fprintf(stderr, "-S n1:n2 set number of schedulers (n1), and number of\n");
erts_fprintf(stderr, " schedulers online (n2), valid range for both\n");
erts_fprintf(stderr, " numbers are [1-%d]\n",
@@ -556,7 +633,7 @@ early_init(int *argc, char **argv) /*
erts_disable_tolerant_timeofday = 0;
display_items = 200;
erts_backtrace_depth = DEFAULT_BACKTRACE_SIZE;
- erts_async_max_threads = 0;
+ erts_async_max_threads = ERTS_DEFAULT_NO_ASYNC_THREADS;
erts_async_thread_suggested_stack_size = ERTS_ASYNC_THREAD_MIN_STACK_SIZE;
H_MIN_SIZE = H_DEFAULT_SIZE;
BIN_VH_MIN_SIZE = VH_DEFAULT_SIZE;
@@ -583,8 +660,6 @@ early_init(int *argc, char **argv) /*
erts_compat_rel = this_rel_num();
- erts_use_r9_pids_ports = 0;
-
erts_sys_pre_init();
erts_atomic_init_nob(&exiting, 0);
#ifdef ERTS_SMP
@@ -627,7 +702,7 @@ early_init(int *argc, char **argv) /*
if (erts_sys_getenv__("ERL_THREAD_POOL_SIZE", envbuf, &envbufsz) == 0)
erts_async_max_threads = atoi(envbuf);
else
- erts_async_max_threads = 0;
+ erts_async_max_threads = ERTS_DEFAULT_NO_ASYNC_THREADS;
if (erts_async_max_threads > ERTS_MAX_NO_OF_ASYNC_THREADS)
erts_async_max_threads = ERTS_MAX_NO_OF_ASYNC_THREADS;
@@ -839,11 +914,13 @@ erl_start(int argc, char **argv)
{
int i = 1;
char* arg=NULL;
- char* Parg = NULL;
int have_break_handler = 1;
char envbuf[21]; /* enough for any 64-bit integer */
size_t envbufsz;
int ncpu = early_init(&argc, argv);
+ int proc_tab_sz = ERTS_DEFAULT_MAX_PROCESSES;
+ int port_tab_sz = ERTS_DEFAULT_MAX_PORTS;
+ int port_tab_sz_ignore_files = 0;
envbufsz = sizeof(envbuf);
if (erts_sys_getenv_raw(ERL_MAX_ETS_TABLES_ENV, envbuf, &envbufsz) == 0)
@@ -914,6 +991,7 @@ erl_start(int argc, char **argv)
break;
case 'a':
erts_set_user_requested_filename_encoding(ERL_FILENAME_UNKNOWN);
+ break;
default:
erts_fprintf(stderr, "bad filename encoding %s, can be (l,u or a)\n", arg);
erts_usage();
@@ -1094,12 +1172,53 @@ erl_start(int argc, char **argv)
arg);
break;
- case 'P':
- /* set maximum number of processes */
- Parg = get_arg(argv[i]+2, argv[i+1], &i);
- erts_max_processes = atoi(Parg);
- /* Check of result is delayed until later. This is because +R
- may be given after +P. */
+ case 'n':
+ arg = get_arg(argv[i]+2, argv[i+1], &i);
+ switch (arg[0]) {
+ case 's': /* synchronous */
+ erts_port_synchronous_ops = 1;
+ erts_port_schedule_all_ops = 0;
+ break;
+ case 'a': /* asynchronous */
+ erts_port_synchronous_ops = 0;
+ erts_port_schedule_all_ops = 1;
+ break;
+ case 'd': /* Default - schedule on conflict (asynchronous) */
+ erts_port_synchronous_ops = 0;
+ erts_port_schedule_all_ops = 0;
+ break;
+ default:
+ bad_n_option:
+ erts_fprintf(stderr, "bad -n option %s\n", arg);
+ erts_usage();
+ }
+ if (arg[1] != '\0')
+ goto bad_n_option;
+ break;
+
+ case 'P': /* set maximum number of processes */
+ arg = get_arg(argv[i]+2, argv[i+1], &i);
+ errno = 0;
+ proc_tab_sz = strtol(arg, NULL, 10);
+ if (errno != 0
+ || proc_tab_sz < ERTS_MIN_PROCESSES
+ || ERTS_MAX_PROCESSES < proc_tab_sz) {
+ erts_fprintf(stderr, "bad number of processes %s\n", arg);
+ erts_usage();
+ }
+ break;
+
+ case 'Q': /* set maximum number of ports */
+ arg = get_arg(argv[i]+2, argv[i+1], &i);
+ errno = 0;
+ port_tab_sz = strtol(arg, NULL, 10);
+ if (errno != 0
+ || port_tab_sz < ERTS_MIN_PROCESSES
+ || ERTS_MAX_PROCESSES < port_tab_sz) {
+ erts_fprintf(stderr, "bad number of ports %s\n", arg);
+ erts_usage();
+ }
+ port_tab_sz_ignore_files = 1;
break;
case 'S' : /* Was handled in early_init() just read past it */
@@ -1121,7 +1240,7 @@ erl_start(int argc, char **argv)
case ERTS_INIT_SCHED_BIND_TYPE_ERROR_NO_CPU_TOPOLOGY:
estr = "no cpu topology available";
break;
- case ERTS_INIT_SCHED_BIND_TYPE_ERROR_NO_BAD_TYPE:
+ case ERTS_INIT_SCHED_BIND_TYPE_ERROR_BAD_TYPE:
estr = "invalid type";
break;
default:
@@ -1201,8 +1320,31 @@ erl_start(int argc, char **argv)
erts_usage();
}
}
+ else if (has_prefix("pp", sub_param)) {
+ arg = get_arg(sub_param+2, argv[i+1], &i);
+ if (sys_strcmp(arg, "true") == 0)
+ erts_port_parallelism = 1;
+ else if (sys_strcmp(arg, "false") == 0)
+ erts_port_parallelism = 0;
+ else {
+ erts_fprintf(stderr,
+ "bad port parallelism scheduling hint %s\n",
+ arg);
+ erts_usage();
+ }
+ }
else if (sys_strcmp("nsp", sub_param) == 0)
erts_use_sender_punish = 0;
+ else if (has_prefix("tbt", sub_param)) {
+ arg = get_arg(sub_param+3, argv[i+1], &i);
+ res = erts_init_scheduler_bind_type_string(arg);
+ if (res == ERTS_INIT_SCHED_BIND_TYPE_ERROR_BAD_TYPE) {
+ erts_fprintf(stderr,
+ "setting scheduler bind type '%s' failed: invalid type\n",
+ arg);
+ erts_usage();
+ }
+ }
else if (sys_strcmp("wt", sub_param) == 0) {
arg = get_arg(sub_param+2, argv[i+1], &i);
if (erts_sched_set_wakeup_other_thresold(arg) != 0) {
@@ -1282,22 +1424,19 @@ erl_start(int argc, char **argv)
case 'R': {
/* set compatibility release */
+ int this_rel;
arg = get_arg(argv[i]+2, argv[i+1], &i);
erts_compat_rel = atoi(arg);
- if (erts_compat_rel < ERTS_MIN_COMPAT_REL
- || erts_compat_rel > this_rel_num()) {
+ this_rel = this_rel_num();
+ if (erts_compat_rel < this_rel - 2 || this_rel < erts_compat_rel) {
erts_fprintf(stderr, "bad compatibility release number %s\n", arg);
erts_usage();
}
- ASSERT(ERTS_MIN_COMPAT_REL >= 7);
switch (erts_compat_rel) {
- case 7:
- case 8:
- case 9:
- erts_use_r9_pids_ports = 1;
+ /* Currently no compat features... */
default:
break;
}
@@ -1339,8 +1478,6 @@ erl_start(int argc, char **argv)
}
break;
}
- case 'n': /* XXX obsolete */
- break;
case 'c':
if (argv[i][2] == 0) { /* -c: documented option */
erts_disable_tolerant_timeofday = 1;
@@ -1395,14 +1532,13 @@ erl_start(int argc, char **argv)
i++;
}
- /* Delayed check of +P flag */
- if (erts_max_processes < ERTS_MIN_PROCESSES
- || erts_max_processes > ERTS_MAX_PROCESSES
- || (erts_use_r9_pids_ports
- && erts_max_processes > ERTS_MAX_R9_PROCESSES)) {
- erts_fprintf(stderr, "bad number of processes %s\n", Parg);
- erts_usage();
- }
+/* Output format on windows for sprintf defaults to three exponents.
+ * We use two-exponent to mimic normal sprintf behaviour.
+ */
+
+#if defined(__WIN32__) && defined(_TWO_DIGIT_EXPONENT)
+ _set_output_format(_TWO_DIGIT_EXPONENT);
+#endif
/* Restart will not reinstall the break handler */
#ifdef __WIN32__
@@ -1424,9 +1560,14 @@ erl_start(int argc, char **argv)
boot_argc = argc - i; /* Number of arguments to init */
boot_argv = &argv[i];
- erl_init(ncpu);
+ erl_init(ncpu,
+ proc_tab_sz,
+ port_tab_sz,
+ port_tab_sz_ignore_files);
load_preloaded();
+ erts_end_staging_code_ix();
+ erts_commit_staging_code_ix();
erts_initialized = 1;
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-31 23:04:35 +0000