static ERTS_INLINE void
sigusr1_exit(void)
{
char env[21]; /* enough to hold any 64-bit integer */
size_t envsz;
int i, secs = -1;
/* We do this at interrupt level, since the main reason for
* wanting to generate a crash dump in this way is that the emulator
* is hung somewhere, so it won't be able to poll any flag we set here.
*/
ERTS_SET_GOT_SIGUSR1;
envsz = sizeof(env);
if ((i = erts_sys_getenv_raw("ERL_CRASH_DUMP_SECONDS", env, &envsz)) >= 0) {
secs = i != 0 ? 0 : atoi(env);
}
prepare_crash_dump(secs);
erts_exit(ERTS_ERROR_EXIT, "Received SIGUSR1\n");
}
void
erl_sys_args(int* argc, char** argv)
{
int i, j;
erts_smp_rwmtx_init(&environ_rwmtx, "environ");
i = 1;
ASSERT(argc && argv);
while (i < *argc) {
if(argv[i][0] == '-') {
switch (argv[i][1]) {
#ifdef ERTS_ENABLE_KERNEL_POLL
case 'K': {
char *arg = get_value(argv[i] + 2, argv, &i);
if (strcmp("true", arg) == 0) {
erts_use_kernel_poll = 1;
}
else if (strcmp("false", arg) == 0) {
erts_use_kernel_poll = 0;
}
else {
erts_fprintf(stderr, "bad \"K\" value: %s\n", arg);
erts_usage();
}
break;
}
#endif
case '-':
goto done_parsing;
default:
break;
}
}
i++;
}
done_parsing:
#ifdef ERTS_ENABLE_KERNEL_POLL
if (erts_use_kernel_poll) {
char no_kp[10];
size_t no_kp_sz = sizeof(no_kp);
int res = erts_sys_getenv_raw("ERL_NO_KERNEL_POLL", no_kp, &no_kp_sz);
if (res > 0
|| (res == 0
&& sys_strcmp("false", no_kp) != 0
&& sys_strcmp("FALSE", no_kp) != 0)) {
erts_use_kernel_poll = 0;
}
}
#endif
init_check_io();
#ifdef ERTS_SMP
init_smp_sig_notify();
init_smp_sig_suspend();
#endif
/* Handled arguments have been marked with NULL. Slide arguments
not handled towards the beginning of argv. */
for (i = 0, j = 0; i < *argc; i++) {
if (argv[i])
argv[j++] = argv[i];
}
*argc = j;
}
void
erl_start(int argc, char **argv)
{
int i = 1;
char* arg=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)
user_requested_db_max_tabs = atoi(envbuf);
else
user_requested_db_max_tabs = 0;
envbufsz = sizeof(envbuf);
if (erts_sys_getenv_raw("ERL_FULLSWEEP_AFTER", envbuf, &envbufsz) == 0) {
Uint16 max_gen_gcs = atoi(envbuf);
erts_smp_atomic32_set_nob(&erts_max_gen_gcs,
(erts_aint32_t) max_gen_gcs);
}
#if (defined(__APPLE__) && defined(__MACH__)) || defined(__DARWIN__)
/*
* The default stack size on MacOS X is too small for pcre.
*/
erts_sched_thread_suggested_stack_size = 256;
#endif
#ifdef DEBUG
verbose = DEBUG_DEFAULT;
#endif
erts_error_logger_warnings = am_error;
while (i < argc) {
if (argv[i][0] != '-') {
erts_usage();
}
if (strcmp(argv[i], "--") == 0) { /* end of emulator options */
i++;
break;
}
switch (argv[i][1]) {
/*
* 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.
*/
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 'f':
if (!strncmp(argv[i],"-fn",3)) {
int warning_type = ERL_FILENAME_WARNING_WARNING;
arg = get_arg(argv[i]+3, argv[i+1], &i);
switch (*arg) {
case 'u':
switch (*(argv[i]+4)) {
case 'w':
case 0:
break;
case 'i':
warning_type = ERL_FILENAME_WARNING_IGNORE;
break;
case 'e':
warning_type = ERL_FILENAME_WARNING_ERROR;
break;
default:
erts_fprintf(stderr, "bad type of warnings for "
"wrongly coded filename: %s\n", argv[i]+4);
erts_usage();
}
erts_set_user_requested_filename_encoding
(
ERL_FILENAME_UTF8,
warning_type
);
break;
case 'l':
erts_set_user_requested_filename_encoding
(
ERL_FILENAME_LATIN1,
warning_type
);
break;
case 'a':
switch (*(argv[i]+4)) {
case 'w':
case 0:
break;
case 'i':
warning_type = ERL_FILENAME_WARNING_IGNORE;
break;
case 'e':
warning_type = ERL_FILENAME_WARNING_ERROR;
break;
default:
erts_fprintf(stderr, "bad type of warnings for "
"wrongly coded filename: %s\n", argv[i]+4);
erts_usage();
}
erts_set_user_requested_filename_encoding
(
ERL_FILENAME_UNKNOWN,
warning_type
);
break;
default:
erts_fprintf(stderr, "bad filename encoding %s, can be "
"(l,u or a, optionally followed by w, "
"i or e)\n", arg);
erts_usage();
}
break;
} else {
erts_fprintf(stderr, "%s unknown flag %s\n", argv[0], argv[i]);
erts_usage();
}
case 'L':
erts_no_line_info = 1;
break;
case 'v':
#ifdef DEBUG
if (argv[i][2] == '\0') {
verbose |= DEBUG_SYSTEM;
} else {
char *ch;
for (ch = argv[i]+2; *ch != '\0'; ch++) {
switch (*ch) {
case 's': verbose |= DEBUG_SYSTEM; break;
case 'g': verbose |= DEBUG_PRIVATE_GC; break;
case 'M': verbose |= DEBUG_MEMORY; break;
case 'a': verbose |= DEBUG_ALLOCATION; break;
case 't': verbose |= DEBUG_THREADS; break;
case 'p': verbose |= DEBUG_PROCESSES; break;
case 'm': verbose |= DEBUG_MESSAGES; break;
default : erts_fprintf(stderr,"Unknown verbose option: %c\n",*ch);
}
}
}
erts_printf("Verbose level: ");
if (verbose & DEBUG_SYSTEM) erts_printf("SYSTEM ");
if (verbose & DEBUG_PRIVATE_GC) erts_printf("PRIVATE_GC ");
if (verbose & DEBUG_MEMORY) erts_printf("PARANOID_MEMORY ");
if (verbose & DEBUG_ALLOCATION) erts_printf("ALLOCATION ");
if (verbose & DEBUG_THREADS) erts_printf("THREADS ");
if (verbose & DEBUG_PROCESSES) erts_printf("PROCESSES ");
if (verbose & DEBUG_MESSAGES) erts_printf("MESSAGES ");
erts_printf("\n");
#else
erts_fprintf(stderr, "warning: -v (only in debug compiled code)\n");
#endif
break;
case 'V' :
{
char tmp[256];
tmp[0] = tmp[1] = '\0';
#ifdef DEBUG
strcat(tmp, ",DEBUG");
#endif
#ifdef ERTS_SMP
strcat(tmp, ",SMP");
#endif
#ifdef USE_THREADS
strcat(tmp, ",ASYNC_THREADS");
#endif
#ifdef HIPE
strcat(tmp, ",HIPE");
#endif
erts_fprintf(stderr, "Erlang ");
if (tmp[1]) {
erts_fprintf(stderr, "(%s) ", tmp+1);
}
erts_fprintf(stderr, "(" EMULATOR ") emulator version "
ERLANG_VERSION "\n");
erl_exit(0, "");
}
break;
case 'H': /* undocumented */
fprintf(stderr, "The undocumented +H option has been removed (R10B-6).\n\n");
break;
case 'h': {
char *sub_param = argv[i]+2;
/* set default heap size
*
* h|ms - min_heap_size
* h|mbs - min_bin_vheap_size
*
*/
if (has_prefix("mbs", sub_param)) {
arg = get_arg(sub_param+3, argv[i+1], &i);
if ((BIN_VH_MIN_SIZE = atoi(arg)) <= 0) {
erts_fprintf(stderr, "bad heap size %s\n", arg);
erts_usage();
}
VERBOSE(DEBUG_SYSTEM, ("using minimum binary virtual heap size %d\n", BIN_VH_MIN_SIZE));
} else if (has_prefix("ms", sub_param)) {
arg = get_arg(sub_param+2, argv[i+1], &i);
if ((H_MIN_SIZE = atoi(arg)) <= 0) {
erts_fprintf(stderr, "bad heap size %s\n", arg);
erts_usage();
}
VERBOSE(DEBUG_SYSTEM, ("using minimum heap size %d\n", H_MIN_SIZE));
} else {
/* backward compatibility */
arg = get_arg(argv[i]+2, argv[i+1], &i);
if ((H_MIN_SIZE = atoi(arg)) <= 0) {
erts_fprintf(stderr, "bad heap size %s\n", arg);
erts_usage();
}
VERBOSE(DEBUG_SYSTEM, ("using minimum heap size %d\n", H_MIN_SIZE));
}
break;
}
case 'd':
/*
* Never produce crash dumps for internally detected
* errors; only produce a core dump. (Generation of
* crash dumps is destructive and makes it impossible
* to inspect the contents of process heaps in the
* core dump.)
*/
erts_no_crash_dump = 1;
break;
case 'e':
if (sys_strcmp("c", argv[i]+2) == 0) {
erts_ets_always_compress = 1;
}
else {
/* set maximum number of ets tables */
arg = get_arg(argv[i]+2, argv[i+1], &i);
if (( user_requested_db_max_tabs = atoi(arg) ) < 0) {
erts_fprintf(stderr, "bad maximum number of ets tables %s\n", arg);
erts_usage();
}
VERBOSE(DEBUG_SYSTEM,
("using maximum number of ets tables %d\n",
user_requested_db_max_tabs));
}
break;
case 'i':
/* define name of module for initial function */
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;
else if (argv[i][2] == 'c') /* +Bc */
replace_intr = 1;
else if (argv[i][2] == 'd') /* +Bd */
have_break_handler = 0;
else if (argv[i+1][0] == 'i') { /* +B i */
get_arg(argv[i]+2, argv[i+1], &i);
ignore_break = 1;
}
else if (argv[i+1][0] == 'c') { /* +B c */
get_arg(argv[i]+2, argv[i+1], &i);
replace_intr = 1;
}
else if (argv[i+1][0] == 'd') { /* +B d */
get_arg(argv[i]+2, argv[i+1], &i);
have_break_handler = 0;
}
else /* +B */
have_break_handler = 0;
break;
case 'K':
/* If kernel poll support is present,
erl_sys_args() will remove the K parameter
and value */
get_arg(argv[i]+2, argv[i+1], &i);
erts_fprintf(stderr,
"kernel-poll not supported; \"K\" parameter ignored\n",
arg);
break;
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 */
(void) get_arg(argv[i]+2, argv[i+1], &i);
break;
case 's' : {
char *estr;
int res;
char *sub_param = argv[i]+2;
if (has_prefix("bt", sub_param)) {
arg = get_arg(sub_param+2, argv[i+1], &i);
res = erts_init_scheduler_bind_type_string(arg);
if (res != ERTS_INIT_SCHED_BIND_TYPE_SUCCESS) {
switch (res) {
case ERTS_INIT_SCHED_BIND_TYPE_NOT_SUPPORTED:
estr = "not supported";
break;
case ERTS_INIT_SCHED_BIND_TYPE_ERROR_NO_CPU_TOPOLOGY:
estr = "no cpu topology available";
break;
case ERTS_INIT_SCHED_BIND_TYPE_ERROR_BAD_TYPE:
estr = "invalid type";
break;
default:
estr = "undefined error";
break;
}
erts_fprintf(stderr,
"setting scheduler bind type '%s' failed: %s\n",
arg,
estr);
erts_usage();
}
}
else if (has_prefix("bwt", sub_param)) {
arg = get_arg(sub_param+3, argv[i+1], &i);
if (erts_sched_set_busy_wait_threshold(arg) != 0) {
erts_fprintf(stderr, "bad scheduler busy wait threshold: %s\n",
arg);
erts_usage();
}
VERBOSE(DEBUG_SYSTEM,
("scheduler wakup threshold: %s\n", arg));
}
else if (has_prefix("cl", sub_param)) {
arg = get_arg(sub_param+2, argv[i+1], &i);
if (sys_strcmp("true", arg) == 0)
erts_sched_compact_load = 1;
else if (sys_strcmp("false", arg) == 0)
erts_sched_compact_load = 0;
else {
erts_fprintf(stderr,
"bad scheduler compact load value '%s'\n",
arg);
erts_usage();
}
}
else if (has_prefix("ct", sub_param)) {
arg = get_arg(sub_param+2, argv[i+1], &i);
res = erts_init_cpu_topology_string(arg);
if (res != ERTS_INIT_CPU_TOPOLOGY_OK) {
switch (res) {
case ERTS_INIT_CPU_TOPOLOGY_INVALID_ID:
estr = "invalid identifier";
break;
case ERTS_INIT_CPU_TOPOLOGY_INVALID_ID_RANGE:
estr = "invalid identifier range";
break;
case ERTS_INIT_CPU_TOPOLOGY_INVALID_HIERARCHY:
estr = "invalid hierarchy";
break;
case ERTS_INIT_CPU_TOPOLOGY_INVALID_ID_TYPE:
estr = "invalid identifier type";
break;
case ERTS_INIT_CPU_TOPOLOGY_INVALID_NODES:
estr = "invalid nodes declaration";
break;
case ERTS_INIT_CPU_TOPOLOGY_MISSING_LID:
estr = "missing logical identifier";
break;
case ERTS_INIT_CPU_TOPOLOGY_NOT_UNIQUE_LIDS:
estr = "not unique logical identifiers";
break;
case ERTS_INIT_CPU_TOPOLOGY_NOT_UNIQUE_ENTITIES:
estr = "not unique entities";
break;
case ERTS_INIT_CPU_TOPOLOGY_MISSING:
estr = "missing cpu topology";
break;
default:
estr = "undefined error";
break;
}
erts_fprintf(stderr,
"bad cpu topology '%s': %s\n",
arg,
estr);
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) {
erts_fprintf(stderr, "scheduler wakeup threshold: %s\n",
arg);
erts_usage();
}
VERBOSE(DEBUG_SYSTEM,
("scheduler wakeup threshold: %s\n", arg));
}
else if (sys_strcmp("ws", sub_param) == 0) {
arg = get_arg(sub_param+2, argv[i+1], &i);
if (erts_sched_set_wakeup_other_type(arg) != 0) {
erts_fprintf(stderr, "scheduler wakeup strategy: %s\n",
arg);
erts_usage();
}
VERBOSE(DEBUG_SYSTEM,
("scheduler wakeup threshold: %s\n", arg));
}
else if (has_prefix("ss", sub_param)) {
/* suggested stack size (Kilo Words) for scheduler threads */
arg = get_arg(sub_param+2, argv[i+1], &i);
erts_sched_thread_suggested_stack_size = atoi(arg);
if ((erts_sched_thread_suggested_stack_size
< ERTS_SCHED_THREAD_MIN_STACK_SIZE)
|| (erts_sched_thread_suggested_stack_size >
ERTS_SCHED_THREAD_MAX_STACK_SIZE)) {
erts_fprintf(stderr, "bad stack size for scheduler threads %s\n",
arg);
erts_usage();
}
VERBOSE(DEBUG_SYSTEM,
("suggested scheduler thread stack size %d kilo words\n",
erts_sched_thread_suggested_stack_size));
}
else {
erts_fprintf(stderr, "bad scheduling option %s\n", argv[i]);
erts_usage();
}
break;
}
case 't':
/* set atom table size */
arg = get_arg(argv[i]+2, argv[i+1], &i);
errno = 0;
erts_atom_table_size = strtol(arg, NULL, 10);
if (errno != 0 ||
erts_atom_table_size < MIN_ATOM_TABLE_SIZE ||
erts_atom_table_size > MAX_ATOM_TABLE_SIZE) {
erts_fprintf(stderr, "bad atom table size %s\n", arg);
erts_usage();
}
VERBOSE(DEBUG_SYSTEM,
("setting maximum number of atoms to %d\n",
erts_atom_table_size));
break;
case 'T' :
arg = get_arg(argv[i]+2, argv[i+1], &i);
errno = 0;
erts_modified_timing_level = atoi(arg);
if ((erts_modified_timing_level == 0 && errno != 0)
|| erts_modified_timing_level < 0
|| erts_modified_timing_level >= ERTS_MODIFIED_TIMING_LEVELS) {
erts_fprintf(stderr, "bad modified timing level %s\n", arg);
erts_usage();
}
else {
VERBOSE(DEBUG_SYSTEM,
("using modified timing level %d\n",
erts_modified_timing_level));
}
break;
case 'R': {
/* set compatibility release */
int this_rel;
arg = get_arg(argv[i]+2, argv[i+1], &i);
erts_compat_rel = atoi(arg);
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();
}
switch (erts_compat_rel) {
/* Currently no compat features... */
default:
break;
}
break;
}
case 'A': /* Was handled in early init just read past it */
(void) get_arg(argv[i]+2, argv[i+1], &i);
break;
case 'a':
/* suggested stack size (Kilo Words) for threads in thread pool */
arg = get_arg(argv[i]+2, argv[i+1], &i);
erts_async_thread_suggested_stack_size = atoi(arg);
if ((erts_async_thread_suggested_stack_size
< ERTS_ASYNC_THREAD_MIN_STACK_SIZE)
|| (erts_async_thread_suggested_stack_size >
ERTS_ASYNC_THREAD_MAX_STACK_SIZE)) {
erts_fprintf(stderr, "bad stack size for async threads %s\n",
arg);
erts_usage();
}
VERBOSE(DEBUG_SYSTEM,
("suggested async-thread stack size %d kilo words\n",
erts_async_thread_suggested_stack_size));
break;
case 'r': {
char *sub_param = argv[i]+2;
if (has_prefix("g", sub_param)) {
get_arg(sub_param+1, argv[i+1], &i);
/* already handled */
}
else {
erts_ets_realloc_always_moves = 1;
}
break;
}
case 'c':
if (argv[i][2] == 0) { /* -c: documented option */
erts_disable_tolerant_timeofday = 1;
}
#ifdef ERTS_OPCODE_COUNTER_SUPPORT
else if (argv[i][2] == 'i') { /* -ci: undcoumented option*/
count_instructions = 1;
}
#endif
break;
case 'W':
arg = get_arg(argv[i]+2, argv[i+1], &i);
switch (arg[0]) {
case 'i':
erts_error_logger_warnings = am_info;
break;
case 'w':
erts_error_logger_warnings = am_warning;
break;
case 'e': /* The default */
erts_error_logger_warnings = am_error;
default:
erts_fprintf(stderr, "unrecognized warning_map option %s\n", arg);
erts_usage();
}
break;
case 'z': {
char *sub_param = argv[i]+2;
int new_limit;
if (has_prefix("dbbl", sub_param)) {
arg = get_arg(sub_param+4, argv[i+1], &i);
new_limit = atoi(arg);
if (new_limit < 1 || INT_MAX/1024 < new_limit) {
erts_fprintf(stderr, "Invalid dbbl limit: %d\n", new_limit);
erts_usage();
} else {
erts_dist_buf_busy_limit = new_limit*1024;
}
} else {
erts_fprintf(stderr, "bad -z option %s\n", argv[i]);
erts_usage();
}
break;
}
default:
erts_fprintf(stderr, "%s unknown flag %s\n", argv[0], argv[i]);
erts_usage();
}
i++;
}
/* 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__
if (ignore_break)
erts_set_ignore_break();
else if (replace_intr)
erts_replace_intr();
else
init_break_handler();
#else
if (ignore_break)
erts_set_ignore_break();
else if (have_break_handler)
init_break_handler();
if (replace_intr)
erts_replace_intr();
#endif
boot_argc = argc - i; /* Number of arguments to init */
boot_argv = &argv[i];
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;
erl_first_process_otp("otp_ring0", NULL, 0, boot_argc, boot_argv);
#ifdef ERTS_SMP
erts_start_schedulers();
/* Let system specific code decide what to do with the main thread... */
erts_sys_main_thread(); /* May or may not return! */
#else
erts_thr_set_main_status(1, 1);
#if ERTS_USE_ASYNC_READY_Q
erts_get_scheduler_data()->aux_work_data.async_ready.queue
= erts_get_async_ready_queue(1);
#endif
set_main_stack_size();
process_main();
#endif
}
/* XXX THIS SHOULD BE IN SYSTEM !!!! */
void
erl_crash_dump_v(char *file, int line, char* fmt, va_list args)
{
#ifdef ERTS_SMP
ErtsThrPrgrData tpd_buf; /* in case we aren't a managed thread... */
#endif
int fd;
time_t now;
size_t dumpnamebufsize = MAXPATHLEN;
char dumpnamebuf[MAXPATHLEN];
char* dumpname;
if (ERTS_SOMEONE_IS_CRASH_DUMPING)
return;
#ifdef ERTS_SMP
/*
* Wait for all managed threads to block. If all threads haven't blocked
* after a minute, we go anyway and hope for the best...
*
* We do not release system again. We expect an exit() or abort() after
* dump has been written.
*/
erts_thr_progress_fatal_error_block(60000, &tpd_buf);
/* Either worked or not... */
/* Allow us to pass certain places without locking... */
erts_smp_atomic32_set_mb(&erts_writing_erl_crash_dump, 1);
erts_smp_tsd_set(erts_is_crash_dumping_key, (void *) 1);
#else
erts_writing_erl_crash_dump = 1;
#endif
erts_sys_prepare_crash_dump();
if (erts_sys_getenv_raw("ERL_CRASH_DUMP",&dumpnamebuf[0],&dumpnamebufsize) != 0)
dumpname = "erl_crash.dump";
else
dumpname = &dumpnamebuf[0];
fd = open(dumpname,O_WRONLY | O_CREAT | O_TRUNC,0640);
if (fd < 0)
return; /* Can't create the crash dump, skip it */
time(&now);
erts_fdprintf(fd, "=erl_crash_dump:0.1\n%s", ctime(&now));
if (file != NULL)
erts_fdprintf(fd, "The error occurred in file %s, line %d\n", file, line);
if (fmt != NULL && *fmt != '\0') {
erts_fdprintf(fd, "Slogan: ");
erts_vfdprintf(fd, fmt, args);
}
erts_fdprintf(fd, "System version: ");
erts_print_system_version(fd, NULL, NULL);
erts_fdprintf(fd, "%s\n", "Compiled: " ERLANG_COMPILE_DATE);
erts_fdprintf(fd, "Taints: ");
erts_print_nif_taints(fd, NULL);
erts_fdprintf(fd, "Atoms: %d\n", atom_table_size());
info(fd, NULL); /* General system info */
if (erts_proc.tab)
process_info(fd, NULL); /* Info about each process and port */
db_info(fd, NULL, 0);
erts_print_bif_timer_info(fd, NULL);
distribution_info(fd, NULL);
erts_fdprintf(fd, "=loaded_modules\n");
loaded(fd, NULL);
erts_dump_fun_entries(fd, NULL);
erts_deep_process_dump(fd, NULL);
erts_fdprintf(fd, "=atoms\n");
dump_atoms(fd, NULL);
/* Keep the instrumentation data at the end of the dump */
if (erts_instr_memory_map || erts_instr_stat) {
erts_fdprintf(fd, "=instr_data\n");
if (erts_instr_stat) {
erts_fdprintf(fd, "=memory_status\n");
erts_instr_dump_stat_to_fd(fd, 0);
}
if (erts_instr_memory_map) {
erts_fdprintf(fd, "=memory_map\n");
erts_instr_dump_memory_map_to_fd(fd);
}
}
erts_fdprintf(fd, "=end\n");
close(fd);
erts_fprintf(stderr,"\nCrash dump was written to: %s\n", dumpname);
}
