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authorSiri Hansen <siri@erlang.org>2011-04-12 16:47:17 +0200
committerSiri Hansen <siri@erlang.org>2011-04-12 16:47:17 +0200
commit098aa2ad54cfa81c07c49ed2a45d38e58bd3ecef (patch)
tree9e16dca2661790ab0e087701d6d091f9fd6c3980 /lib/stdlib/test
parent73b16ada48c683529febd1167fd5a30f83c872af (diff)
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Allow supervisor:terminate_child(SupRef,Pid) for simple_one_for_one
supervisor:terminate_child/2 was not allowed if the supervisor used restart strategy simple_one_for_one. This is now changed so that children of this type of supervisors can be terminated by specifying the child's Pid.
Diffstat (limited to 'lib/stdlib/test')
-rw-r--r--lib/stdlib/test/supervisor_SUITE.erl32
1 files changed, 23 insertions, 9 deletions
diff --git a/lib/stdlib/test/supervisor_SUITE.erl b/lib/stdlib/test/supervisor_SUITE.erl
index f9ceed8f84..cc271bd047 100644
--- a/lib/stdlib/test/supervisor_SUITE.erl
+++ b/lib/stdlib/test/supervisor_SUITE.erl
@@ -20,7 +20,7 @@
-module(supervisor_SUITE).
--include_lib("test_server/include/test_server.hrl").
+-include_lib("common_test/include/ct.hrl").
-define(TIMEOUT, 1000).
%% Testserver specific export
@@ -349,8 +349,7 @@ child_adm(Config) when is_list(Config) ->
ok = supervisor:terminate_child(sup_test, child1),
%% Start of already existing but not running process
- {error,already_present} =
- supervisor:start_child(sup_test, Child),
+ {error,already_present} = supervisor:start_child(sup_test, Child),
%% Restart
{ok, CPid2} = supervisor:restart_child(sup_test, child1),
@@ -377,6 +376,11 @@ child_adm(Config) when is_list(Config) ->
[{child1, CPid3, worker, []}] = supervisor:which_children(sup_test),
[1,1,0,1] = get_child_counts(sup_test),
+ %% Terminate with Pid not allowed when not simple_one_for_one
+ {error,not_found} = supervisor:terminate_child(sup_test, CPid3),
+ [{child1, CPid3, worker, []}] = supervisor:which_children(sup_test),
+ [1,1,0,1] = get_child_counts(sup_test),
+
{'EXIT',{noproc,{gen_server,call,[foo,which_children,infinity]}}}
= (catch supervisor:which_children(foo)),
{'EXIT',{noproc,{gen_server,call,[foo,count_children,infinity]}}}
@@ -412,16 +416,26 @@ child_adm_simple(Config) when is_list(Config) ->
[1,2,0,2] = get_child_counts(sup_test),
%% Termination
- {error, simple_one_for_one} =
- supervisor:terminate_child(sup_test, child1),
+ {error, simple_one_for_one} = supervisor:terminate_child(sup_test, child1),
+ [1,2,0,2] = get_child_counts(sup_test),
+ ok = supervisor:terminate_child(sup_test,CPid1),
+ [_] = supervisor:which_children(sup_test),
+ [1,1,0,1] = get_child_counts(sup_test),
+ false = erlang:is_process_alive(CPid1),
+ %% Terminate non-existing proccess is ok
+ ok = supervisor:terminate_child(sup_test,CPid1),
+ [_] = supervisor:which_children(sup_test),
+ [1,1,0,1] = get_child_counts(sup_test),
+ %% Terminate pid which is not a child of this supervisor is not ok
+ NoChildPid = spawn_link(fun() -> receive after infinity -> ok end end),
+ {error, not_found} = supervisor:terminate_child(sup_test, NoChildPid),
+ true = erlang:is_process_alive(NoChildPid),
%% Restart
- {error, simple_one_for_one} =
- supervisor:restart_child(sup_test, child1),
+ {error, simple_one_for_one} = supervisor:restart_child(sup_test, child1),
%% Deletion
- {error, simple_one_for_one} =
- supervisor:delete_child(sup_test, child1),
+ {error, simple_one_for_one} = supervisor:delete_child(sup_test, child1),
ok.
%%-------------------------------------------------------------------------