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authorRickard Green <rickard@erlang.org>2017-01-10 16:13:07 +0100
committerRickard Green <rickard@erlang.org>2017-01-10 16:13:07 +0100
commita67afb4e2e1e0dda8a8f818c844a2036e703c6f6 (patch)
tree51f03210f54654551c5137b15584952b731473bc /erts/emulator/test
parent3473ecd83a7bbe7e0bebb865f25dddb93e3bf10f (diff)
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Fix processes() BIF test cases
Diffstat (limited to 'erts/emulator/test')
-rw-r--r--erts/emulator/test/process_SUITE.erl10
1 files changed, 10 insertions, 0 deletions
diff --git a/erts/emulator/test/process_SUITE.erl b/erts/emulator/test/process_SUITE.erl
index 0f999e0efe..0f492eb982 100644
--- a/erts/emulator/test/process_SUITE.erl
+++ b/erts/emulator/test/process_SUITE.erl
@@ -1611,6 +1611,7 @@ spawn_initial_hangarounds(_Cleaner, NP, Max, Len, HAs) when NP > Max ->
{Len, HAs};
spawn_initial_hangarounds(Cleaner, NP, Max, Len, HAs) ->
Skip = 30,
+ wait_for_proc_slots(Skip+3),
HA1 = spawn_opt(?MODULE, hangaround, [Cleaner, initial_hangaround],
[{priority, low}]),
HA2 = spawn_opt(?MODULE, hangaround, [Cleaner, initial_hangaround],
@@ -1620,6 +1621,15 @@ spawn_initial_hangarounds(Cleaner, NP, Max, Len, HAs) ->
spawn_drop(Skip),
spawn_initial_hangarounds(Cleaner, NP+Skip, Max, Len+3, [HA1,HA2,HA3|HAs]).
+wait_for_proc_slots(MinFreeSlots) ->
+ case erlang:system_info(process_limit) - erlang:system_info(process_count) of
+ FreeSlots when FreeSlots < MinFreeSlots ->
+ receive after 10 -> ok end,
+ wait_for_proc_slots(MinFreeSlots);
+ _FreeSlots ->
+ ok
+ end.
+
spawn_drop(N) when N =< 0 ->
ok;
spawn_drop(N) ->