diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/kernel/doc/src/notes.xml | 23 | ||||
| -rw-r--r-- | lib/kernel/src/kernel.erl | 9 | ||||
| -rw-r--r-- | lib/kernel/test/code_SUITE_data/on_load_app-1.0/src/on_load_embedded.erl | 9 |
3 files changed, 40 insertions, 1 deletions
diff --git a/lib/kernel/doc/src/notes.xml b/lib/kernel/doc/src/notes.xml index 9859183390..edd6ea52b0 100644 --- a/lib/kernel/doc/src/notes.xml +++ b/lib/kernel/doc/src/notes.xml @@ -30,6 +30,29 @@ </header> <p>This document describes the changes made to the Kernel application.</p> +<section><title>Kernel 2.14.1.1</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p>In embedded mode, on_load handlers that called + <c>code:priv_dir/1</c> or other functions in <c>code</c> + would hang the system. Since the <c>crypto</c> + application now contains an on_loader handler that calls + <c>code:priv_dir/1</c>, including the <c>crypto</c> + application in the boot file would prevent the system + from starting.</p> + <p>Also extended the <c>-init_debug</c> option to print + information about on_load handlers being run to + facilitate debugging.</p> + <p> + Own Id: OTP-8902 Aux Id: seq11703 </p> + </item> + </list> + </section> + +</section> + <section><title>Kernel 2.14.1</title> <section><title>Fixed Bugs and Malfunctions</title> diff --git a/lib/kernel/src/kernel.erl b/lib/kernel/src/kernel.erl index 92ee7b441a..1e07620a3e 100644 --- a/lib/kernel/src/kernel.erl +++ b/lib/kernel/src/kernel.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2009. All Rights Reserved. +%% Copyright Ericsson AB 1996-2010. 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 @@ -143,6 +143,13 @@ init(safe) -> Boot = start_boot_server(), DiskLog = start_disk_log(), Pg2 = start_pg2(), + + %% Run the on_load handlers for all modules that have been + %% loaded so far. Running them at this point means that + %% on_load handlers can safely call kernel processes + %% (and in particular call code:priv_dir/1 or code:lib_dir/1). + init:run_on_load_handlers(), + {ok, {SupFlags, Boot ++ DiskLog ++ Pg2}}. get_code_args() -> diff --git a/lib/kernel/test/code_SUITE_data/on_load_app-1.0/src/on_load_embedded.erl b/lib/kernel/test/code_SUITE_data/on_load_app-1.0/src/on_load_embedded.erl index a39332f81d..b7fdd4d9ae 100644 --- a/lib/kernel/test/code_SUITE_data/on_load_app-1.0/src/on_load_embedded.erl +++ b/lib/kernel/test/code_SUITE_data/on_load_app-1.0/src/on_load_embedded.erl @@ -3,6 +3,15 @@ -on_load(run_me/0). run_me() -> + %% An onload handler typically calls code:priv_dir/1 + %% or code:lib_dir/1, so make sure that it works. + LibDir = code:lib_dir(on_load_app), + PrivDir = code:priv_dir(on_load_app), + LibDir = filename:dirname(PrivDir), + ModPath = code:which(?MODULE), + LibDir = filename:dirname(filename:dirname(ModPath)), + + %% Start a process to remember that the on_load was called. spawn(fun() -> register(everything_is_fine, self()), receive Any -> |