Erlang Run-Time System Application (ERTS)

Reference Manual

Version 11.2.2.8

Table of Contents

atomics
- Top of manual page
- add/3
- add_get/3
- compare_exchange/4
- exchange/3
- get/2
- info/1
- new/2
- put/3
- sub/3
- sub_get/3
counters
- Top of manual page
- add/3
- get/2
- info/1
- new/2
- put/3
- sub/3
driver_entry
epmd
erl
erlang
- Top of manual page
- abs/1
- adler32/1
- adler32/2
- adler32_combine/3
- append_element/2
- apply/2
- apply/3
- atom_to_binary/1
- atom_to_binary/2
- atom_to_list/1
- binary_part/2
- binary_part/3
- binary_to_atom/1
- binary_to_atom/2
- binary_to_existing_atom/1
- binary_to_existing_atom/2
- binary_to_float/1
- binary_to_integer/1
- binary_to_integer/2
- binary_to_list/1
- binary_to_list/3
- binary_to_term/1
- binary_to_term/2
- bit_size/1
- bitstring_to_list/1
- bump_reductions/1
- byte_size/1
- cancel_timer/1
- cancel_timer/2
- ceil/1
- check_old_code/1
- check_process_code/2
- check_process_code/3
- convert_time_unit/3
- crc32/1
- crc32/2
- crc32_combine/3
- date/0
- decode_packet/3
- delete_element/2
- delete_module/1
- demonitor/1
- demonitor/2
- disconnect_node/1
- display/1
- dist_ctrl_get_data/1
- dist_ctrl_get_data_notification/1
- dist_ctrl_get_opt/2
- dist_ctrl_input_handler/2
- dist_ctrl_put_data/2
- dist_ctrl_set_opt/3
- element/2
- erase/0
- erase/1
- error/1
- error/2
- exit/1
- exit/2
- external_size/1
- external_size/2
- float/1
- float_to_binary/1
- float_to_binary/2
- float_to_list/1
- float_to_list/2
- floor/1
- fun_info/1
- fun_info/2
- fun_to_list/1
- function_exported/3
- garbage_collect/0
- garbage_collect/1
- garbage_collect/2
- get/0
- get/1
- get_cookie/0
- get_keys/0
- get_keys/1
- get_stacktrace/0
- group_leader/0
- group_leader/2
- halt/0
- halt/1
- halt/2
- hd/1
- hibernate/3
- insert_element/3
- integer_to_binary/1
- integer_to_binary/2
- integer_to_list/1
- integer_to_list/2
- iolist_size/1
- iolist_to_binary/1
- iolist_to_iovec/1
- is_alive/0
- is_atom/1
- is_binary/1
- is_bitstring/1
- is_boolean/1
- is_builtin/3
- is_float/1
- is_function/1
- is_function/2
- is_integer/1
- is_list/1
- is_map/1
- is_map_key/2
- is_number/1
- is_pid/1
- is_port/1
- is_process_alive/1
- is_record/2
- is_record/3
- is_reference/1
- is_tuple/1
- length/1
- link/1
- list_to_atom/1
- list_to_binary/1
- list_to_bitstring/1
- list_to_existing_atom/1
- list_to_float/1
- list_to_integer/1
- list_to_integer/2
- list_to_pid/1
- list_to_port/1
- list_to_ref/1
- list_to_tuple/1
- load_module/2
- load_nif/2
- loaded/0
- localtime/0
- localtime_to_universaltime/1
- localtime_to_universaltime/2
- make_ref/0
- make_tuple/2
- make_tuple/3
- map_get/2
- map_size/1
- match_spec_test/3
- max/2
- md5/1
- md5_final/1
- md5_init/0
- md5_update/2
- memory/0
- memory/1
- min/2
- module_loaded/1
- monitor/2
- monitor_node/2
- monitor_node/3
- monotonic_time/0
- monotonic_time/1
- nif_error/1
- nif_error/2
- node/0
- node/1
- nodes/0
- nodes/1
- now/0
- open_port/2
- phash/2
- phash2/1
- phash2/2
- pid_to_list/1
- port_call/3
- port_close/1
- port_command/2
- port_command/3
- port_connect/2
- port_control/3
- port_info/1
- port_info/2
- port_to_list/1
- ports/0
- pre_loaded/0
- process_display/2
- process_flag/2
- process_flag/3
- process_info/1
- process_info/2
- processes/0
- purge_module/1
- put/2
- raise/3
- read_timer/1
- read_timer/2
- ref_to_list/1
- register/2
- registered/0
- resume_process/1
- round/1
- self/0
- send/2
- send/3
- send_after/3
- send_after/4
- send_nosuspend/2
- send_nosuspend/3
- set_cookie/2
- setelement/3
- size/1
- spawn/1
- spawn/2
- spawn/3
- spawn/4
- spawn_link/1
- spawn_link/2
- spawn_link/3
- spawn_link/4
- spawn_monitor/1
- spawn_monitor/2
- spawn_monitor/3
- spawn_monitor/4
- spawn_opt/2
- spawn_opt/3
- spawn_opt/4
- spawn_opt/5
- spawn_request/1
- spawn_request/2
- spawn_request/3
- spawn_request/4
- spawn_request/5
- spawn_request_abandon/1
- split_binary/2
- start_timer/3
- start_timer/4
- statistics/1
- suspend_process/1
- suspend_process/2
- system_flag/2
- system_info/1
- system_monitor/0
- system_monitor/1
- system_monitor/2
- system_profile/0
- system_profile/2
- system_time/0
- system_time/1
- term_to_binary/1
- term_to_binary/2
- term_to_iovec/1
- term_to_iovec/2
- throw/1
- time/0
- time_offset/0
- time_offset/1
- timestamp/0
- tl/1
- trace/3
- trace_delivered/1
- trace_info/2
- trace_pattern/2
- trace_pattern/3
- trunc/1
- tuple_size/1
- tuple_to_list/1
- unique_integer/0
- unique_integer/1
- universaltime/0
- universaltime_to_localtime/1
- unlink/1
- unregister/1
- whereis/1
- yield/0
erlc
erl_driver
- Top of manual page
- add_driver_entry()
- driver_alloc()
- driver_alloc_binary()
- driver_async()
- driver_async_port_key()
- driver_binary_dec_refc()
- driver_binary_get_refc()
- driver_binary_inc_refc()
- driver_caller()
- driver_cancel_timer()
- driver_compare_monitors()
- driver_connected()
- driver_create_port()
- driver_demonitor_process()
- driver_deq()
- driver_enq()
- driver_enq_bin()
- driver_enqv()
- driver_failure()
- driver_failure_atom()
- driver_failure_eof()
- driver_failure_posix()
- driver_free()
- driver_free_binary()
- driver_get_monitored_process()
- driver_get_now()
- driver_lock_driver()
- driver_mk_atom()
- driver_mk_port()
- driver_monitor_process()
- driver_output()
- driver_output2()
- driver_output_binary()
- driver_output_term()
- driver_outputv()
- driver_pdl_create()
- driver_pdl_dec_refc()
- driver_pdl_get_refc()
- driver_pdl_inc_refc()
- driver_pdl_lock()
- driver_pdl_unlock()
- driver_peekq()
- driver_peekqv()
- driver_pushq()
- driver_pushq_bin()
- driver_pushqv()
- driver_read_timer()
- driver_realloc()
- driver_realloc_binary()
- driver_select()
- driver_send_term()
- driver_set_timer()
- driver_sizeq()
- driver_system_info()
- driver_vec_to_buf()
- erl_drv_busy_msgq_limits()
- erl_drv_cond_broadcast()
- erl_drv_cond_create()
- erl_drv_cond_destroy()
- erl_drv_cond_name()
- erl_drv_cond_signal()
- erl_drv_cond_wait()
- erl_drv_consume_timeslice()
- erl_drv_convert_time_unit()
- erl_drv_equal_tids()
- erl_drv_getenv()
- erl_drv_init_ack()
- erl_drv_monotonic_time()
- erl_drv_mutex_create()
- erl_drv_mutex_destroy()
- erl_drv_mutex_lock()
- erl_drv_mutex_name()
- erl_drv_mutex_trylock()
- erl_drv_mutex_unlock()
- erl_drv_output_term()
- erl_drv_putenv()
- erl_drv_rwlock_create()
- erl_drv_rwlock_destroy()
- erl_drv_rwlock_name()
- erl_drv_rwlock_rlock()
- erl_drv_rwlock_runlock()
- erl_drv_rwlock_rwlock()
- erl_drv_rwlock_rwunlock()
- erl_drv_rwlock_tryrlock()
- erl_drv_rwlock_tryrwlock()
- erl_drv_send_term()
- erl_drv_set_os_pid()
- erl_drv_thread_create()
- erl_drv_thread_exit()
- erl_drv_thread_join()
- erl_drv_thread_name()
- erl_drv_thread_opts_create()
- erl_drv_thread_opts_destroy()
- erl_drv_thread_self()
- erl_drv_time_offset()
- erl_drv_tsd_get()
- erl_drv_tsd_key_create()
- erl_drv_tsd_key_destroy()
- erl_drv_tsd_set()
- erl_errno_id()
- remove_driver_entry()
- set_busy_port()
- set_port_control_flags()
erl_nif
- Top of manual page
- enif_alloc()
- enif_alloc_binary()
- enif_alloc_env()
- enif_alloc_resource()
- enif_binary_to_term()
- enif_clear_env()
- enif_compare()
- enif_compare_monitors()
- enif_compare_pids()
- enif_cond_broadcast()
- enif_cond_create()
- enif_cond_destroy()
- enif_cond_name()
- enif_cond_signal()
- enif_cond_wait()
- enif_consume_timeslice()
- enif_convert_time_unit()
- enif_cpu_time()
- enif_demonitor_process()
- enif_equal_tids()
- enif_fprintf()
- enif_free()
- enif_free_env()
- enif_free_iovec()
- enif_get_atom()
- enif_get_atom_length()
- enif_get_double()
- enif_get_int()
- enif_get_int64()
- enif_get_list_cell()
- enif_get_list_length()
- enif_get_local_pid()
- enif_get_local_port()
- enif_get_long()
- enif_get_map_size()
- enif_get_map_value()
- enif_get_resource()
- enif_get_string()
- enif_get_tuple()
- enif_get_uint()
- enif_get_uint64()
- enif_get_ulong()
- enif_getenv()
- enif_has_pending_exception()
- enif_hash()
- enif_inspect_binary()
- enif_inspect_iolist_as_binary()
- enif_inspect_iovec()
- enif_ioq_create()
- enif_ioq_deq()
- enif_ioq_destroy()
- enif_ioq_enq_binary()
- enif_ioq_enqv()
- enif_ioq_peek()
- enif_ioq_peek_head()
- enif_ioq_size()
- enif_is_atom()
- enif_is_binary()
- enif_is_current_process_alive()
- enif_is_empty_list()
- enif_is_exception()
- enif_is_fun()
- enif_is_identical()
- enif_is_list()
- enif_is_map()
- enif_is_number()
- enif_is_pid()
- enif_is_pid_undefined()
- enif_is_port()
- enif_is_port_alive()
- enif_is_process_alive()
- enif_is_ref()
- enif_is_tuple()
- enif_keep_resource()
- enif_make_atom()
- enif_make_atom_len()
- enif_make_badarg()
- enif_make_binary()
- enif_make_copy()
- enif_make_double()
- enif_make_existing_atom()
- enif_make_existing_atom_len()
- enif_make_int()
- enif_make_int64()
- enif_make_list()
- enif_make_list1()
- enif_make_list2()
- enif_make_list3()
- enif_make_list4()
- enif_make_list5()
- enif_make_list6()
- enif_make_list7()
- enif_make_list8()
- enif_make_list9()
- enif_make_list_cell()
- enif_make_list_from_array()
- enif_make_long()
- enif_make_map_from_arrays()
- enif_make_map_put()
- enif_make_map_remove()
- enif_make_map_update()
- enif_make_monitor_term()
- enif_make_new_binary()
- enif_make_new_map()
- enif_make_pid()
- enif_make_ref()
- enif_make_resource()
- enif_make_resource_binary()
- enif_make_reverse_list()
- enif_make_string()
- enif_make_string_len()
- enif_make_sub_binary()
- enif_make_tuple()
- enif_make_tuple1()
- enif_make_tuple2()
- enif_make_tuple3()
- enif_make_tuple4()
- enif_make_tuple5()
- enif_make_tuple6()
- enif_make_tuple7()
- enif_make_tuple8()
- enif_make_tuple9()
- enif_make_tuple_from_array()
- enif_make_uint()
- enif_make_uint64()
- enif_make_ulong()
- enif_make_unique_integer()
- enif_map_iterator_create()
- enif_map_iterator_destroy()
- enif_map_iterator_get_pair()
- enif_map_iterator_is_head()
- enif_map_iterator_is_tail()
- enif_map_iterator_next()
- enif_map_iterator_prev()
- enif_monitor_process()
- enif_monotonic_time()
- enif_mutex_create()
- enif_mutex_destroy()
- enif_mutex_lock()
- enif_mutex_name()
- enif_mutex_trylock()
- enif_mutex_unlock()
- enif_now_time()
- enif_open_resource_type()
- enif_open_resource_type_x()
- enif_port_command()
- enif_priv_data()
- enif_raise_exception()
- enif_realloc()
- enif_realloc_binary()
- enif_release_binary()
- enif_release_resource()
- enif_rwlock_create()
- enif_rwlock_destroy()
- enif_rwlock_name()
- enif_rwlock_rlock()
- enif_rwlock_runlock()
- enif_rwlock_rwlock()
- enif_rwlock_rwunlock()
- enif_rwlock_tryrlock()
- enif_rwlock_tryrwlock()
- enif_schedule_nif()
- enif_select()
- enif_select_read()
- enif_select_write()
- enif_self()
- enif_send()
- enif_set_pid_undefined()
- enif_sizeof_resource()
- enif_snprintf()
- enif_system_info()
- enif_term_to_binary()
- enif_term_type()
- enif_thread_create()
- enif_thread_exit()
- enif_thread_join()
- enif_thread_name()
- enif_thread_opts_create()
- enif_thread_opts_destroy()
- enif_thread_self()
- enif_thread_type()
- enif_time_offset()
- enif_tsd_get()
- enif_tsd_key_create()
- enif_tsd_key_destroy()
- enif_tsd_set()
- enif_vfprintf()
- enif_vsnprintf()
- enif_whereis_pid()
- enif_whereis_port()
erl_prim_loader
- Top of manual page
- get_file/1
- get_path/0
- list_dir/1
- read_file_info/1
- read_link_info/1
- set_path/1
erlsrv
erl_tracer
- Top of manual page
- Module:enabled/3
- Module:enabled_call/3
- Module:enabled_garbage_collection/3
- Module:enabled_ports/3
- Module:enabled_procs/3
- Module:enabled_receive/3
- Module:enabled_running_ports/3
- Module:enabled_running_procs/3
- Module:enabled_send/3
- Module:trace/5
- Module:trace/5
- Module:trace_call/5
- Module:trace_garbage_collection/5
- Module:trace_ports/5
- Module:trace_procs/5
- Module:trace_receive/5
- Module:trace_running_ports/5
- Module:trace_running_procs/5
- Module:trace_send/5
erts_alloc
escript
init
- Top of manual page
- boot/1
- get_argument/1
- get_arguments/0
- get_plain_arguments/0
- get_status/0
- reboot/0
- restart/0
- restart/1
- script_id/0
- stop/0
- stop/1
persistent_term
- Top of manual page
- erase/1
- get/0
- get/1
- get/2
- info/0
- put/2
run_erl
start
start_erl
werl
zlib
- Top of manual page
- adler32/2
- adler32/3
- adler32_combine/4
- close/1
- compress/1
- crc32/1
- crc32/2
- crc32/3
- crc32_combine/4
- deflate/2
- deflate/3
- deflateEnd/1
- deflateInit/1
- deflateInit/2
- deflateInit/6
- deflateParams/3
- deflateReset/1
- deflateSetDictionary/2
- getBufSize/1
- gunzip/1
- gzip/1
- inflate/2
- inflate/3
- inflateChunk/1
- inflateChunk/2
- inflateEnd/1
- inflateGetDictionary/1
- inflateInit/1
- inflateInit/2
- inflateReset/1
- inflateSetDictionary/2
- open/0
- safeInflate/2
- setBufSize/2
- set_controlling_process/2
- uncompress/1
- unzip/1
- zip/1

start

Command

start

Command Summary

OTP start script example for Unix.

Description

The start script is an example script on how to start up the Erlang system in embedded mode on Unix.

For more information about the use, see the Embedded System User's Guide in System Documentation.

Exports

start [ data_file ]

Argument:

data_file: Optional. Specifies what start_erl.data file to use.

Environment variable RELDIR can be set before calling this example, which sets the directory where to find the release files.

See Also

run_erl(1), start_erl(1)