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-rw-r--r--erts/emulator/test/nif_SUITE.erl30
1 files changed, 18 insertions, 12 deletions
diff --git a/erts/emulator/test/nif_SUITE.erl b/erts/emulator/test/nif_SUITE.erl
index 0ae8e02011..f9ee96c9ca 100644
--- a/erts/emulator/test/nif_SUITE.erl
+++ b/erts/emulator/test/nif_SUITE.erl
@@ -488,7 +488,7 @@ select(Config) when is_list(Config) ->
%% Wait for read
eagain = read_nif(R, 3),
0 = select_nif(R,?ERL_NIF_SELECT_READ,R,null,Ref),
- [] = flush(),
+ [] = flush(0),
ok = write_nif(W, <<"hej">>),
[{select, R, Ref, ready_input}] = flush(),
0 = select_nif(R,?ERL_NIF_SELECT_READ,R,self(),Ref2),
@@ -505,7 +505,7 @@ select(Config) when is_list(Config) ->
%% Wait for write
Written = write_full(W, $a),
0 = select_nif(W,?ERL_NIF_SELECT_WRITE,W,self(),Ref),
- [] = flush(),
+ [] = flush(0),
Written = read_nif(R,byte_size(Written)),
[{select, W, Ref, ready_output}] = flush(),
@@ -515,7 +515,7 @@ select(Config) when is_list(Config) ->
[{fd_resource_stop, W_ptr, _}] = flush(),
{1, {W_ptr,_}} = last_fd_stop_call(),
true = is_closed_nif(W),
- [] = flush(),
+ [] = flush(0),
0 = select_nif(R,?ERL_NIF_SELECT_READ,R,self(),Ref),
[{select, R, Ref, ready_input}] = flush(),
eof = read_nif(R,1),
@@ -540,7 +540,7 @@ select_2(Config) ->
0 = select_nif(R,?ERL_NIF_SELECT_READ,R,null,Ref1),
0 = select_nif(R,?ERL_NIF_SELECT_READ,R,self(),Ref2),
- [] = flush(),
+ [] = flush(0),
ok = write_nif(W, <<"hej">>),
[{select, R, Ref2, ready_input}] = flush(),
<<"hej">> = read_nif(R, 3),
@@ -551,7 +551,7 @@ select_2(Config) ->
Papa = self(),
spawn_link(fun() ->
0 = select_nif(R,?ERL_NIF_SELECT_READ,R,null,Ref1),
- [] = flush(),
+ [] = flush(0),
Papa ! sync,
[{select, R, Ref1, ready_input}] = flush(),
<<"hej">> = read_nif(R, 3),
@@ -560,7 +560,7 @@ select_2(Config) ->
sync = receive_any(),
ok = write_nif(W, <<"hej">>),
done = receive_any(),
- [] = flush(),
+ [] = flush(0),
check_stop_ret(select_nif(R,?ERL_NIF_SELECT_STOP,R,null,Ref1)),
[{fd_resource_stop, R_ptr, _}] = flush(),
@@ -650,7 +650,7 @@ monitor_process_b_do(FromThread) ->
false -> ok = release_resource(R_ptr);
true -> ok = release_resource_from_thread(R_ptr)
end,
- [] = flush(),
+ [] = flush(0),
{R_ptr, _, 1} = last_resource_dtor_call(),
[] = monitored_by(Pid),
Pid ! return,
@@ -672,7 +672,7 @@ monitor_process_c(Config) ->
exit
end),
[{Pid, done, R_ptr, Mon1},
- {monitor_resource_down, R_ptr, Pid, Mon2}] = flush(),
+ {monitor_resource_down, R_ptr, Pid, Mon2}] = flush(2),
compare_monitors_nif(Mon1, Mon2),
{R_ptr, _, 1} = last_resource_dtor_call(),
ok.
@@ -720,7 +720,7 @@ demonitor_process(Config) ->
1 = demonitor_process_nif(R_ptr, MonBin2),
ok = release_resource(R_ptr),
- [] = flush(),
+ [] = flush(0),
{R_ptr, _, 1} = last_resource_dtor_call(),
[] = monitored_by(Pid),
Pid ! return,
@@ -2319,10 +2319,16 @@ receive_any(Timeout) ->
after Timeout -> timeout end.
flush() ->
- flush(10).
-flush(Timeout) ->
+ flush(1).
+
+flush(0) ->
+ flush(0, 10); % don't waste too much time waiting for nothing
+flush(N) ->
+ flush(N, 1000).
+
+flush(N, Timeout) ->
receive M ->
- [M | flush(Timeout)]
+ [M | flush(N-1)]
after Timeout ->
[]
end.