diff options
Diffstat (limited to 'erts/preloaded/src')
| -rw-r--r-- | erts/preloaded/src/erlang.erl | 21 | ||||
| -rw-r--r-- | erts/preloaded/src/prim_file.erl | 8 |
2 files changed, 27 insertions, 2 deletions
diff --git a/erts/preloaded/src/erlang.erl b/erts/preloaded/src/erlang.erl index b409e39862..e966ac5296 100644 --- a/erts/preloaded/src/erlang.erl +++ b/erts/preloaded/src/erlang.erl @@ -79,6 +79,7 @@ -export([bump_reductions/1, byte_size/1, call_on_load_function/1]). -export([cancel_timer/1, check_old_code/1, check_process_code/2, crc32/1]). -export([crc32/2, crc32_combine/3, date/0, decode_packet/3]). +-export([delete_element/2]). -export([delete_module/1, demonitor/1, demonitor/2, display/1]). -export([display_nl/0, display_string/1, dist_exit/3, erase/0, erase/1]). -export([error/1, error/2, exit/1, exit/2, external_size/1]). @@ -88,6 +89,7 @@ -export([garbage_collect_message_area/0, get/0, get/1, get_keys/1]). -export([get_module_info/1, get_stacktrace/0, group_leader/0]). -export([group_leader/2, halt/0, halt/1, halt/2, hash/2, hibernate/3]). +-export([insert_element/3]). -export([integer_to_list/1, iolist_size/1, iolist_to_binary/1]). -export([is_alive/0, is_builtin/3, is_process_alive/1, length/1, link/1]). -export([list_to_atom/1, list_to_binary/1, list_to_bitstr/1]). @@ -529,6 +531,14 @@ date() -> decode_packet(_Type, _Bin, _Options) -> erlang:nif_error(undefined). +%% delete_element/2 +-spec erlang:delete_element(Index, Tuple1) -> Tuple2 when + Index :: pos_integer(), + Tuple1 :: tuple(), + Tuple2 :: tuple(). +delete_element(_Index, _Tuple1) -> + erlang:nif_error(undefined). + %% delete_module/1 -spec delete_module(Module) -> true | undefined when Module :: module(). @@ -820,6 +830,15 @@ hash(_Term, _Range) -> hibernate(_Module, _Function, _Args) -> erlang:nif_error(undefined). +%% insert_element/3 +-spec erlang:insert_element(Index, Tuple1, Term) -> Tuple2 when + Index :: pos_integer(), + Tuple1 :: tuple(), + Tuple2 :: tuple(), + Term :: term(). +insert_element(_Index, _Tuple1, _Term) -> + erlang:nif_error(undefined). + %% integer_to_list/1 -spec integer_to_list(Integer) -> string() when Integer :: integer(). @@ -1737,7 +1756,7 @@ process_flag(_Flag, _Value) -> {group_leader, GroupLeader :: pid()} | {heap_size, Size :: non_neg_integer()} | {initial_call, mfa()} | - {links, Pids :: [pid() | port()]} | + {links, PidsAndPorts :: [pid() | port()]} | {last_calls, false | (Calls :: [mfa()])} | {memory, Size :: non_neg_integer()} | {message_que_len, MessageQueueLen :: non_neg_integer()} | diff --git a/erts/preloaded/src/prim_file.erl b/erts/preloaded/src/prim_file.erl index eafab1bae4..c412b7faf2 100644 --- a/erts/preloaded/src/prim_file.erl +++ b/erts/preloaded/src/prim_file.erl @@ -27,7 +27,7 @@ %% Generic file contents operations -export([open/2, close/1, datasync/1, sync/1, advise/4, position/2, truncate/1, write/2, pwrite/2, pwrite/3, read/2, read_line/1, pread/2, pread/3, - copy/3, sendfile/10]). + copy/3, sendfile/10, allocate/3]). %% Specialized file operations -export([open/1, open/3]). @@ -100,6 +100,7 @@ -define(FILE_FDATASYNC, 30). -define(FILE_ADVISE, 31). -define(FILE_SENDFILE, 32). +-define(FILE_ALLOCATE, 33). %% Driver responses -define(FILE_RESP_OK, 0). @@ -293,6 +294,11 @@ advise(#file_descriptor{module = ?MODULE, data = {Port, _}}, end. %% Returns {error, Reason} | ok. +allocate(#file_descriptor{module = ?MODULE, data = {Port, _}}, Offset, Length) -> + Cmd = <<?FILE_ALLOCATE, Offset:64/signed, Length:64/signed>>, + drv_command(Port, Cmd). + +%% Returns {error, Reason} | ok. write(#file_descriptor{module = ?MODULE, data = {Port, _}}, Bytes) -> case drv_command_nt(Port, [?FILE_WRITE,erlang:dt_prepend_vm_tag_data(Bytes)],undefined) of {ok, _Size} -> |