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authorErlang/OTP <[email protected]>2019-01-15 19:35:05 +0100
committerErlang/OTP <[email protected]>2019-01-15 19:35:05 +0100
commit113d7a9f6715b2a2785cb31e6bb369ca75abf187 (patch)
treec15ef1c5356871c68642c8ee7a9136a0a4364963 /lib
parent6bbb0b333315a7e76cb72269b23347edc560737b (diff)
parentc33dd1a2aa34b45f67b67f379d5e61985ac851fe (diff)
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Merge branch 'john/erts/prim_file-init-restart/OTP-15495/ERL-821' into maint-21
* john/erts/prim_file-init-restart/OTP-15495/ERL-821: Remove an unused variable Spawn prim_file helper as a system process
Diffstat (limited to 'lib')
-rw-r--r--lib/kernel/test/init_SUITE.erl23
1 files changed, 17 insertions, 6 deletions
diff --git a/lib/kernel/test/init_SUITE.erl b/lib/kernel/test/init_SUITE.erl
index 6a006cdc01..4f90260f98 100644
--- a/lib/kernel/test/init_SUITE.erl
+++ b/lib/kernel/test/init_SUITE.erl
@@ -295,7 +295,7 @@ is_real_system(KernelVsn, StdlibVsn) ->
%% before restart.
%% ------------------------------------------------
many_restarts() ->
- [{timetrap,{minutes,8}}].
+ [{timetrap,{minutes,16}}].
many_restarts(Config) when is_list(Config) ->
{ok, Node} = loose_node:start(init_test, "", ?DEFAULT_TIMEOUT_SEC),
@@ -315,7 +315,7 @@ loop_restart(N,Node,EHPid) ->
loose_node:stop(Node),
ct:fail(not_stopping)
end,
- ok = wait_for(30, Node, EHPid),
+ ok = wait_for(60, Node, EHPid),
loop_restart(N-1,Node,rpc:call(Node,erlang,whereis,[logger])).
wait_for(0,Node,_) ->
@@ -367,7 +367,8 @@ restart(Config) when is_list(Config) ->
SysProcs0 = rpc:call(Node, ?MODULE, find_system_processes, []),
io:format("SysProcs0=~p~n", [SysProcs0]),
[InitPid, PurgerPid, LitCollectorPid,
- DirtySigNPid, DirtySigHPid, DirtySigMPid] = SysProcs0,
+ DirtySigNPid, DirtySigHPid, DirtySigMPid,
+ PrimFilePid] = SysProcs0,
InitPid = rpc:call(Node, erlang, whereis, [init]),
PurgerPid = rpc:call(Node, erlang, whereis, [erts_code_purger]),
Procs = rpc:call(Node, erlang, processes, []),
@@ -385,7 +386,8 @@ restart(Config) when is_list(Config) ->
SysProcs1 = rpc:call(Node, ?MODULE, find_system_processes, []),
io:format("SysProcs1=~p~n", [SysProcs1]),
[InitPid1, PurgerPid1, LitCollectorPid1,
- DirtySigNPid1, DirtySigHPid1, DirtySigMPid1] = SysProcs1,
+ DirtySigNPid1, DirtySigHPid1, DirtySigMPid1,
+ PrimFilePid1] = SysProcs1,
%% Still the same init process!
InitPid1 = rpc:call(Node, erlang, whereis, [init]),
@@ -411,6 +413,10 @@ restart(Config) when is_list(Config) ->
DirtySigMP = pid_to_list(DirtySigMPid),
DirtySigMP = pid_to_list(DirtySigMPid1),
+ %% and same prim_file helper process!
+ PrimFileP = pid_to_list(PrimFilePid),
+ PrimFileP = pid_to_list(PrimFilePid1),
+
NewProcs0 = rpc:call(Node, erlang, processes, []),
NewProcs = NewProcs0 -- SysProcs1,
case check_processes(NewProcs, MaxPid) of
@@ -437,7 +443,8 @@ restart(Config) when is_list(Config) ->
literal_collector,
dirty_sig_handler_normal,
dirty_sig_handler_high,
- dirty_sig_handler_max}).
+ dirty_sig_handler_max,
+ prim_file}).
find_system_processes() ->
find_system_procs(processes(), #sys_procs{}).
@@ -448,7 +455,8 @@ find_system_procs([], SysProcs) ->
SysProcs#sys_procs.literal_collector,
SysProcs#sys_procs.dirty_sig_handler_normal,
SysProcs#sys_procs.dirty_sig_handler_high,
- SysProcs#sys_procs.dirty_sig_handler_max];
+ SysProcs#sys_procs.dirty_sig_handler_max,
+ SysProcs#sys_procs.prim_file];
find_system_procs([P|Ps], SysProcs) ->
case process_info(P, [initial_call, priority]) of
[{initial_call,{otp_ring0,start,2}},_] ->
@@ -472,6 +480,9 @@ find_system_procs([P|Ps], SysProcs) ->
{priority,max}] ->
undefined = SysProcs#sys_procs.dirty_sig_handler_max,
find_system_procs(Ps, SysProcs#sys_procs{dirty_sig_handler_max = P});
+ [{initial_call,{prim_file,start,0}},_] ->
+ undefined = SysProcs#sys_procs.prim_file,
+ find_system_procs(Ps, SysProcs#sys_procs{prim_file = P});
_ ->
find_system_procs(Ps, SysProcs)
end.