aboutsummaryrefslogtreecommitdiffstats
path: root/lib/kernel
diff options
context:
space:
mode:
authorRickard Green <[email protected]>2018-03-21 11:54:28 +0100
committerGitHub <[email protected]>2018-03-21 11:54:28 +0100
commitcf3cbf0871832cb0808293842e5ae726edfc12e1 (patch)
treecd67d38d40c3414275ec257a6685b86c949c621a /lib/kernel
parent2c5711efcdd48ab8a9b7cd9ae27c97b9c1f8c37e (diff)
parent4bc282d812cc2c49aa3e2d073e96c720f16aa270 (diff)
downloadotp-cf3cbf0871832cb0808293842e5ae726edfc12e1.tar.gz
otp-cf3cbf0871832cb0808293842e5ae726edfc12e1.tar.bz2
otp-cf3cbf0871832cb0808293842e5ae726edfc12e1.zip
Merge pull request #1740 from rickard-green/rickard/signals/OTP-14589
Implementation of true asynchronous signaling between processes
Diffstat (limited to 'lib/kernel')
-rw-r--r--lib/kernel/src/erts_debug.erl17
-rw-r--r--lib/kernel/src/net_kernel.erl8
-rw-r--r--lib/kernel/test/erl_distribution_SUITE.erl15
-rw-r--r--lib/kernel/test/init_SUITE.erl67
4 files changed, 53 insertions, 54 deletions
diff --git a/lib/kernel/src/erts_debug.erl b/lib/kernel/src/erts_debug.erl
index 3456c8511e..6f248626ca 100644
--- a/lib/kernel/src/erts_debug.erl
+++ b/lib/kernel/src/erts_debug.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1999-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -32,8 +32,7 @@
%%% BIFs
-export([breakpoint/2, disassemble/1, display/1, dist_ext_to_term/2,
- dump_monitors/1, dump_links/1, flat_size/1,
- get_internal_state/1, instructions/0,
+ flat_size/1, get_internal_state/1, instructions/0,
map_info/1, same/2, set_internal_state/2,
size_shared/1, copy_shared/1, dirty_cpu/2, dirty_io/2, dirty/3,
lcnt_control/1, lcnt_control/2, lcnt_collect/0, lcnt_clear/0]).
@@ -70,18 +69,6 @@ display(_) ->
dist_ext_to_term(_, _) ->
erlang:nif_error(undef).
--spec dump_monitors(Id) -> true when
- Id :: pid() | atom().
-
-dump_monitors(_) ->
- erlang:nif_error(undef).
-
--spec dump_links(Id) -> true when
- Id :: pid() | port() | atom().
-
-dump_links(_) ->
- erlang:nif_error(undef).
-
-spec flat_size(Term) -> non_neg_integer() when
Term :: term().
diff --git a/lib/kernel/src/net_kernel.erl b/lib/kernel/src/net_kernel.erl
index f38989d103..669adefdf8 100644
--- a/lib/kernel/src/net_kernel.erl
+++ b/lib/kernel/src/net_kernel.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2017. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -222,8 +222,7 @@ get_net_ticktime() ->
Error :: error | {error, term()}.
monitor_nodes(Flag) ->
case catch process_flag(monitor_nodes, Flag) of
- true -> ok;
- false -> ok;
+ N when is_integer(N) -> ok;
_ -> mk_monitor_nodes_error(Flag, [])
end.
@@ -236,8 +235,7 @@ monitor_nodes(Flag) ->
Error :: error | {error, term()}.
monitor_nodes(Flag, Opts) ->
case catch process_flag({monitor_nodes, Opts}, Flag) of
- true -> ok;
- false -> ok;
+ N when is_integer(N) -> ok;
_ -> mk_monitor_nodes_error(Flag, Opts)
end.
diff --git a/lib/kernel/test/erl_distribution_SUITE.erl b/lib/kernel/test/erl_distribution_SUITE.erl
index f6791adf86..0470f09f29 100644
--- a/lib/kernel/test/erl_distribution_SUITE.erl
+++ b/lib/kernel/test/erl_distribution_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2017. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -1144,17 +1144,16 @@ monitor_nodes_otp_6481_test(Config, TestType) when is_list(Config) ->
TestMonNodeState = monitor_node_state(),
%% io:format("~p~n", [TestMonNodeState]),
TestMonNodeState =
- MonNodeState
+ case TestType of
+ nodedown -> [];
+ nodeup -> [{self(), []}]
+ end
+ ++ lists:map(fun (_) -> {MN, []} end, Seq)
++ case TestType of
nodedown -> [{self(), []}];
nodeup -> []
end
- ++ lists:map(fun (_) -> {MN, []} end, Seq)
- ++ case TestType of
- nodedown -> [];
- nodeup -> [{self(), []}]
- end,
-
+ ++ MonNodeState,
{ok, Node} = start_node(Name, "", this),
receive {nodeup, Node} -> ok end,
diff --git a/lib/kernel/test/init_SUITE.erl b/lib/kernel/test/init_SUITE.erl
index 2b59eb2bfe..c8415b34e5 100644
--- a/lib/kernel/test/init_SUITE.erl
+++ b/lib/kernel/test/init_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -365,7 +365,9 @@ restart(Config) when is_list(Config) ->
%% Ok, the node is up, now the real test test begins.
erlang:monitor_node(Node, true),
SysProcs0 = rpc:call(Node, ?MODULE, find_system_processes, []),
- [InitPid, PurgerPid, LitCollectorPid, DirtyCodePid] = SysProcs0,
+ io:format("SysProcs0=~p~n", [SysProcs0]),
+ [InitPid, PurgerPid, LitCollectorPid,
+ DirtySigNPid, DirtySigHPid, DirtySigMPid] = SysProcs0,
InitPid = rpc:call(Node, erlang, whereis, [init]),
PurgerPid = rpc:call(Node, erlang, whereis, [erts_code_purger]),
Procs = rpc:call(Node, erlang, processes, []),
@@ -381,7 +383,9 @@ restart(Config) when is_list(Config) ->
ok = wait_restart(30, Node),
SysProcs1 = rpc:call(Node, ?MODULE, find_system_processes, []),
- [InitPid1, PurgerPid1, LitCollectorPid1, DirtyCodePid1] = SysProcs1,
+ io:format("SysProcs1=~p~n", [SysProcs1]),
+ [InitPid1, PurgerPid1, LitCollectorPid1,
+ DirtySigNPid1, DirtySigHPid1, DirtySigMPid1] = SysProcs1,
%% Still the same init process!
InitPid1 = rpc:call(Node, erlang, whereis, [init]),
@@ -394,20 +398,18 @@ restart(Config) when is_list(Config) ->
PurgerP = pid_to_list(PurgerPid1),
%% and same literal area collector process!
- case LitCollectorPid of
- undefined -> undefined = LitCollectorPid1;
- _ ->
- LitCollectorP = pid_to_list(LitCollectorPid),
- LitCollectorP = pid_to_list(LitCollectorPid1)
- end,
-
- %% and same dirty process code checker process!
- case DirtyCodePid of
- undefined -> undefined = DirtyCodePid1;
- _ ->
- DirtyCodeP = pid_to_list(DirtyCodePid),
- DirtyCodeP = pid_to_list(DirtyCodePid1)
- end,
+ LitCollectorP = pid_to_list(LitCollectorPid),
+ LitCollectorP = pid_to_list(LitCollectorPid1),
+
+ %% and same normal dirty signal handler process!
+ DirtySigNP = pid_to_list(DirtySigNPid),
+ DirtySigNP = pid_to_list(DirtySigNPid1),
+ %% and same high dirty signal handler process!
+ DirtySigHP = pid_to_list(DirtySigHPid),
+ DirtySigHP = pid_to_list(DirtySigHPid1),
+ %% and same max dirty signal handler process!
+ DirtySigMP = pid_to_list(DirtySigMPid),
+ DirtySigMP = pid_to_list(DirtySigMPid1),
NewProcs0 = rpc:call(Node, erlang, processes, []),
NewProcs = NewProcs0 -- SysProcs1,
@@ -433,7 +435,9 @@ restart(Config) when is_list(Config) ->
-record(sys_procs, {init,
code_purger,
literal_collector,
- dirty_proc_checker}).
+ dirty_sig_handler_normal,
+ dirty_sig_handler_high,
+ dirty_sig_handler_max}).
find_system_processes() ->
find_system_procs(processes(), #sys_procs{}).
@@ -442,21 +446,32 @@ find_system_procs([], SysProcs) ->
[SysProcs#sys_procs.init,
SysProcs#sys_procs.code_purger,
SysProcs#sys_procs.literal_collector,
- SysProcs#sys_procs.dirty_proc_checker];
+ SysProcs#sys_procs.dirty_sig_handler_normal,
+ SysProcs#sys_procs.dirty_sig_handler_high,
+ SysProcs#sys_procs.dirty_sig_handler_max];
find_system_procs([P|Ps], SysProcs) ->
- case process_info(P, initial_call) of
- {initial_call,{otp_ring0,start,2}} ->
+ case process_info(P, [initial_call, priority]) of
+ [{initial_call,{otp_ring0,start,2}},_] ->
undefined = SysProcs#sys_procs.init,
find_system_procs(Ps, SysProcs#sys_procs{init = P});
- {initial_call,{erts_code_purger,start,0}} ->
+ [{initial_call,{erts_code_purger,start,0}},_] ->
undefined = SysProcs#sys_procs.code_purger,
find_system_procs(Ps, SysProcs#sys_procs{code_purger = P});
- {initial_call,{erts_literal_area_collector,start,0}} ->
+ [{initial_call,{erts_literal_area_collector,start,0}},_] ->
undefined = SysProcs#sys_procs.literal_collector,
find_system_procs(Ps, SysProcs#sys_procs{literal_collector = P});
- {initial_call,{erts_dirty_process_code_checker,start,0}} ->
- undefined = SysProcs#sys_procs.dirty_proc_checker,
- find_system_procs(Ps, SysProcs#sys_procs{dirty_proc_checker = P});
+ [{initial_call,{erts_dirty_process_signal_handler,start,0}},
+ {priority,normal}] ->
+ undefined = SysProcs#sys_procs.dirty_sig_handler_normal,
+ find_system_procs(Ps, SysProcs#sys_procs{dirty_sig_handler_normal = P});
+ [{initial_call,{erts_dirty_process_signal_handler,start,0}},
+ {priority,high}] ->
+ undefined = SysProcs#sys_procs.dirty_sig_handler_high,
+ find_system_procs(Ps, SysProcs#sys_procs{dirty_sig_handler_high = P});
+ [{initial_call,{erts_dirty_process_signal_handler,start,0}},
+ {priority,max}] ->
+ undefined = SysProcs#sys_procs.dirty_sig_handler_max,
+ find_system_procs(Ps, SysProcs#sys_procs{dirty_sig_handler_max = P});
_ ->
find_system_procs(Ps, SysProcs)
end.