diff options
Diffstat (limited to 'lib/stdlib/src/zip.erl')
| -rw-r--r-- | lib/stdlib/src/zip.erl | 67 |
1 files changed, 39 insertions, 28 deletions
diff --git a/lib/stdlib/src/zip.erl b/lib/stdlib/src/zip.erl index b768c6d0b9..d6031dabbc 100644 --- a/lib/stdlib/src/zip.erl +++ b/lib/stdlib/src/zip.erl @@ -3,16 +3,17 @@ %% %% Copyright Ericsson AB 2006-2013. 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 -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at %% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% @@ -24,7 +25,7 @@ list_dir/1, list_dir/2, table/1, table/2, t/1, tt/1]). -%% unzipping peicemeal +%% unzipping piecemeal -export([openzip_open/1, openzip_open/2, openzip_get/1, openzip_get/2, openzip_t/1, openzip_tt/1, @@ -214,7 +215,9 @@ -type zip_comment() :: #zip_comment{}. -type zip_file() :: #zip_file{}. --export_type([create_option/0, filename/0]). +-opaque handle() :: pid(). + +-export_type([create_option/0, filename/0, handle/0]). %% Open a zip archive with options %% @@ -500,7 +503,7 @@ do_list_dir(F, Options) -> -spec(t(Archive) -> ok when Archive :: file:name() | binary() | ZipHandle, - ZipHandle :: pid()). + ZipHandle :: handle()). t(F) when is_pid(F) -> zip_t(F); t(F) when is_record(F, openzip) -> openzip_t(F); @@ -524,7 +527,7 @@ do_t(F, RawPrint) -> -spec(tt(Archive) -> ok when Archive :: file:name() | binary() | ZipHandle, - ZipHandle :: pid()). + ZipHandle :: handle()). tt(F) when is_pid(F) -> zip_tt(F); tt(F) when is_record(F, openzip) -> openzip_tt(F); @@ -1114,15 +1117,19 @@ local_file_header_from_info_method_name(#file_info{mtime = MTime}, file_name_length = length(Name), extra_field_length = 0}. +server_init(Parent) -> + %% we want to know if our parent dies + process_flag(trap_exit, true), + server_loop(Parent, not_open). %% small, simple, stupid zip-archive server -server_loop(OpenZip) -> +server_loop(Parent, OpenZip) -> receive {From, {open, Archive, Options}} -> case openzip_open(Archive, Options) of {ok, NewOpenZip} -> From ! {self(), {ok, self()}}, - server_loop(NewOpenZip); + server_loop(Parent, NewOpenZip); Error -> From ! {self(), Error} end; @@ -1130,43 +1137,47 @@ server_loop(OpenZip) -> From ! {self(), openzip_close(OpenZip)}; {From, get} -> From ! {self(), openzip_get(OpenZip)}, - server_loop(OpenZip); + server_loop(Parent, OpenZip); {From, {get, FileName}} -> From ! {self(), openzip_get(FileName, OpenZip)}, - server_loop(OpenZip); + server_loop(Parent, OpenZip); {From, list_dir} -> From ! {self(), openzip_list_dir(OpenZip)}, - server_loop(OpenZip); + server_loop(Parent, OpenZip); {From, {list_dir, Opts}} -> From ! {self(), openzip_list_dir(OpenZip, Opts)}, - server_loop(OpenZip); + server_loop(Parent, OpenZip); {From, get_state} -> From ! {self(), OpenZip}, - server_loop(OpenZip); + server_loop(Parent, OpenZip); + {'EXIT', Parent, Reason} -> + _ = openzip_close(OpenZip), + exit({parent_died, Reason}); _ -> {error, bad_msg} end. -spec(zip_open(Archive) -> {ok, ZipHandle} | {error, Reason} when Archive :: file:name() | binary(), - ZipHandle :: pid(), + ZipHandle :: handle(), Reason :: term()). zip_open(Archive) -> zip_open(Archive, []). -spec(zip_open(Archive, Options) -> {ok, ZipHandle} | {error, Reason} when Archive :: file:name() | binary(), - ZipHandle :: pid(), + ZipHandle :: handle(), Options :: [Option], Option :: cooked | memory | {cwd, CWD :: file:filename()}, Reason :: term()). zip_open(Archive, Options) -> - Pid = spawn(fun() -> server_loop(not_open) end), - request(self(), Pid, {open, Archive, Options}). + Self = self(), + Pid = spawn_link(fun() -> server_init(Self) end), + request(Self, Pid, {open, Archive, Options}). -spec(zip_get(ZipHandle) -> {ok, [Result]} | {error, Reason} when - ZipHandle :: pid(), + ZipHandle :: handle(), Result :: file:name() | {file:name(), binary()}, Reason :: term()). @@ -1174,14 +1185,14 @@ zip_get(Pid) when is_pid(Pid) -> request(self(), Pid, get). -spec(zip_close(ZipHandle) -> ok | {error, einval} when - ZipHandle :: pid()). + ZipHandle :: handle()). zip_close(Pid) when is_pid(Pid) -> request(self(), Pid, close). -spec(zip_get(FileName, ZipHandle) -> {ok, Result} | {error, Reason} when FileName :: file:name(), - ZipHandle :: pid(), + ZipHandle :: handle(), Result :: file:name() | {file:name(), binary()}, Reason :: term()). @@ -1190,7 +1201,7 @@ zip_get(FileName, Pid) when is_pid(Pid) -> -spec(zip_list_dir(ZipHandle) -> {ok, Result} | {error, Reason} when Result :: [zip_comment() | zip_file()], - ZipHandle :: pid(), + ZipHandle :: handle(), Reason :: term()). zip_list_dir(Pid) when is_pid(Pid) -> |