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| author | Peter Andersson <[email protected]> | 2012-03-08 14:03:46 +0100 |
|---|---|---|
| committer | Peter Andersson <[email protected]> | 2012-03-08 14:03:46 +0100 |
| commit | 91f60211efb41d935269edfad7a9c0312b8011d0 (patch) | |
| tree | 8e22025504af65f685b47bd63719d1f617eac4ab /lib/common_test/src/ct_util.erl | |
| parent | a7714f269498e51f02c598446ef8626c380d30b1 (diff) | |
| download | otp-91f60211efb41d935269edfad7a9c0312b8011d0.tar.gz otp-91f60211efb41d935269edfad7a9c0312b8011d0.tar.bz2 otp-91f60211efb41d935269edfad7a9c0312b8011d0.zip | |
Fix problem with buffered DOWN messages
OTP-9830
Diffstat (limited to 'lib/common_test/src/ct_util.erl')
| -rw-r--r-- | lib/common_test/src/ct_util.erl | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/lib/common_test/src/ct_util.erl b/lib/common_test/src/ct_util.erl index 3b6ad6f98d..e9bfb2590b 100644 --- a/lib/common_test/src/ct_util.erl +++ b/lib/common_test/src/ct_util.erl @@ -827,15 +827,20 @@ get_profile_data(Profile, Key, StartDir) -> %%%----------------------------------------------------------------- %%% Internal functions call(Msg) -> - MRef = erlang:monitor(process,whereis(ct_util_server)), - Ref = make_ref(), - ct_util_server ! {Msg,{self(),Ref}}, - receive - {Ref, Result} -> - erlang:demonitor(MRef, [flush]), - Result; - {'DOWN',MRef,process,_,Reason} -> - {error,{ct_util_server_down,Reason}} + case whereis(ct_util_server) of + undefined -> + {error,ct_util_server_not_running}; + Pid -> + MRef = erlang:monitor(process, Pid), + Ref = make_ref(), + ct_util_server ! {Msg,{self(),Ref}}, + receive + {Ref, Result} -> + erlang:demonitor(MRef, [flush]), + Result; + {'DOWN',MRef,process,_,Reason} -> + {error,{ct_util_server_down,Reason}} + end end. return({To,Ref},Result) -> |