diff options
| -rw-r--r-- | lib/kernel/doc/src/code.xml | 13 | ||||
| -rw-r--r-- | lib/kernel/src/code.erl | 6 | ||||
| -rw-r--r-- | lib/kernel/src/code_server.erl | 3 | ||||
| -rw-r--r-- | lib/kernel/test/code_SUITE.erl | 9 |
4 files changed, 28 insertions, 3 deletions
diff --git a/lib/kernel/doc/src/code.xml b/lib/kernel/doc/src/code.xml index 279c7558bc..a1c3eee6ec 100644 --- a/lib/kernel/doc/src/code.xml +++ b/lib/kernel/doc/src/code.xml @@ -738,6 +738,19 @@ rpc:call(Node, code, load_binary, [Module, Filename, Binary]), <c>undefined</c>.</p> </desc> </func> + + <func> + <name="get_mode" arity="0"/> + <fsummary>The code_server's mode.</fsummary> + <desc> + <p>This function returns an atom describing the code_server's mode: + <c>interactive</c> or <c>embedded</c>. </p> + <p>This information is useful when an external entity (for example, + an IDE) provides additional code for a running node. If in interactive + mode, it only needs to add to the code path. If in embedded mode, + the code has to be loaded with <c>load_binary/3</c></p> + </desc> + </func> </funcs> </erlref> diff --git a/lib/kernel/src/code.erl b/lib/kernel/src/code.erl index 8a543abd6f..03fba96d4b 100644 --- a/lib/kernel/src/code.erl +++ b/lib/kernel/src/code.erl @@ -64,7 +64,8 @@ where_is_file/1, where_is_file/2, set_primary_archive/4, - clash/0]). + clash/0, + get_mode/0]). -export_type([load_error_rsn/0, load_ret/0]). @@ -293,6 +294,9 @@ replace_path(Name, Dir) when (is_atom(Name) orelse is_list(Name)), -spec rehash() -> 'ok'. rehash() -> call(rehash). +-spec get_mode() -> 'embedded' | 'interactive'. +get_mode() -> call(get_mode). + %%----------------------------------------------------------------- call(Req) -> diff --git a/lib/kernel/src/code_server.erl b/lib/kernel/src/code_server.erl index b770fce887..5d74e8620b 100644 --- a/lib/kernel/src/code_server.erl +++ b/lib/kernel/src/code_server.erl @@ -422,6 +422,9 @@ handle_call({is_cached,File}, {_From,_Tag}, S=#state{cache=Cache}) -> end end; +handle_call(get_mode, {_From,_Tag}, S=#state{mode=Mode}) -> + {reply, Mode, S}; + handle_call(Other,{_From,_Tag}, S) -> error_msg(" ** Codeserver*** ignoring ~w~n ",[Other]), {noreply,S}. diff --git a/lib/kernel/test/code_SUITE.erl b/lib/kernel/test/code_SUITE.erl index d7424c0c9a..4c040f0a0e 100644 --- a/lib/kernel/test/code_SUITE.erl +++ b/lib/kernel/test/code_SUITE.erl @@ -33,7 +33,7 @@ purge_stacktrace/1, mult_lib_roots/1, bad_erl_libs/1, code_archive/1, code_archive2/1, on_load/1, on_load_binary/1, on_load_embedded/1, on_load_errors/1, big_boot_embedded/1, - native_early_modules/1]). + native_early_modules/1, get_mode/1]). -export([init_per_testcase/2, end_per_testcase/2, init_per_suite/1, end_per_suite/1, @@ -60,7 +60,7 @@ all() -> where_is_file_cached, purge_stacktrace, mult_lib_roots, bad_erl_libs, code_archive, code_archive2, on_load, on_load_binary, on_load_embedded, on_load_errors, - big_boot_embedded, native_early_modules]. + big_boot_embedded, native_early_modules, get_mode]. groups() -> []. @@ -1594,6 +1594,11 @@ native_early_modules_1(Architecture) -> ok end. +get_mode(suite) -> []; +get_mode(doc) -> ["Test that the mode of the code server is properly retrieved"]; +get_mode(Config) when is_list(Config) -> + interactive = code:get_mode(). + %%----------------------------------------------------------------- %% error_logger handler. %% (Copied from stdlib/test/proc_lib_SUITE.erl.) |