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authorBjörn Gustavsson <[email protected]>2011-09-26 14:49:28 +0200
committerBjörn Gustavsson <[email protected]>2011-09-26 14:49:28 +0200
commitab017dce9a19f2fcd470c85f562122aac161b466 (patch)
treeafb01b1565a6d7ee35e77154fc096a8fd061c42e /erts/emulator/test
parent97f3a064f27843a9f825210c1c7a27075b7b3ad7 (diff)
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busy_port_SUITE: Avoid crash in register/2
Add an end_per_testcase/2 function to ensure that the process with the name 'busy_drv_server' has been killed before the next test case attempts to register a process with the same name.
Diffstat (limited to 'erts/emulator/test')
-rw-r--r--erts/emulator/test/busy_port_SUITE.erl16
1 files changed, 15 insertions, 1 deletions
diff --git a/erts/emulator/test/busy_port_SUITE.erl b/erts/emulator/test/busy_port_SUITE.erl
index 8365e1c540..dac2a70f59 100644
--- a/erts/emulator/test/busy_port_SUITE.erl
+++ b/erts/emulator/test/busy_port_SUITE.erl
@@ -20,7 +20,7 @@
-module(busy_port_SUITE).
-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
- init_per_group/2,end_per_group/2,
+ init_per_group/2,end_per_group/2,end_per_testcase/2,
io_to_busy/1, message_order/1, send_3/1,
system_monitor/1, no_trap_exit/1,
no_trap_exit_unlinked/1, trap_exit/1, multiple_writers/1,
@@ -53,6 +53,20 @@ init_per_group(_GroupName, Config) ->
end_per_group(_GroupName, Config) ->
Config.
+end_per_testcase(_Case, Config) when is_list(Config) ->
+ case whereis(busy_drv_server) of
+ undefined ->
+ ok;
+ Pid when is_pid(Pid) ->
+ Ref = monitor(process, Pid),
+ unlink(Pid),
+ exit(Pid, kill),
+ receive
+ {'DOWN',Ref,process,Pid,_} ->
+ ok
+ end
+ end,
+ Config.
%% Tests I/O operations to a busy port, to make sure a suspended send
%% operation is correctly restarted. This used to crash Beam.