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authorRainer Gerhards <rgerhards@adiscon.com>2010-03-17 16:39:18 +0100
committerRainer Gerhards <rgerhards@adiscon.com>2010-03-17 16:39:18 +0100
commit679434312c20d9651faff26b8b3a5ab203be7ff3 (patch)
tree105bf490b92b0033e3f8c2a5e070136d40337741 /tests
parentba0f23182a55b26b2265d2138c707cbc7ddbb72e (diff)
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added test to check for deadlock condition in async-written files
Note that this introduces a test case that breaks the current code. This commit does NOT yet provide the necessary code patch. Thus make check does currently hang.
Diffstat (limited to 'tests')
-rw-r--r--tests/Makefile.am3
-rwxr-xr-xtests/asynwr_deadlock.sh23
-rw-r--r--tests/testsuites/asynwr_deadlock.conf21
3 files changed, 47 insertions, 0 deletions
diff --git a/tests/Makefile.am b/tests/Makefile.am
index bc7902b1..3c2223d9 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -14,6 +14,7 @@ TESTS = $(TESTRUNS) cfg.sh \
asynwr_small.sh \
asynwr_tinybuf.sh \
asynwr_large.sh \
+ asynwr_deadlock.sh \
gzipwr_large.sh \
gzipwr_large_dynfile.sh \
complex1.sh \
@@ -154,6 +155,8 @@ EXTRA_DIST= 1.rstest 2.rstest 3.rstest err1.rstest \
testsuites/asynwr_tinybuf.conf \
asynwr_large.sh \
testsuites/asynwr_large.conf \
+ asynwr_deadlock.sh \
+ testsuites/asynwr_deadlock.conf \
gzipwr_large.sh \
testsuites/gzipwr_large.conf \
gzipwr_large_dynfile.sh \
diff --git a/tests/asynwr_deadlock.sh b/tests/asynwr_deadlock.sh
new file mode 100755
index 00000000..2d08419c
--- /dev/null
+++ b/tests/asynwr_deadlock.sh
@@ -0,0 +1,23 @@
+# This is test case from practice, with the version we introduced it, it
+# caused a deadlock on shutdown. I have added it to the test suite to automatically
+# detect such things in the future.
+#
+# added 2010-03-17 by Rgerhards
+# This file is part of the rsyslog project, released under GPLv3
+echo ================================================================================
+echo TEST: \[asynwr_deadlock.sh\]: a case known to have caused a deadlock in the past
+source $srcdir/diag.sh init
+# uncomment for debugging support:
+export RSYSLOG_DEBUG="debug nostdout noprintmutexaction"
+export RSYSLOG_DEBUGLOG="log"
+source $srcdir/diag.sh startup asynwr_deadlock.conf
+# just send one message
+source $srcdir/diag.sh tcpflood -m1
+# sleep is important! need to make sure the instance is inactive
+sleep 1
+# now try shutdown. The actual test is if the process does hang here!
+echo "processing must continue soon"
+source $srcdir/diag.sh shutdown-when-empty # shut down rsyslogd when done processing messages
+source $srcdir/diag.sh wait-shutdown # and wait for it to terminate
+source $srcdir/diag.sh seq-check 0 0
+source $srcdir/diag.sh exit
diff --git a/tests/testsuites/asynwr_deadlock.conf b/tests/testsuites/asynwr_deadlock.conf
new file mode 100644
index 00000000..b3a052df
--- /dev/null
+++ b/tests/testsuites/asynwr_deadlock.conf
@@ -0,0 +1,21 @@
+# simple async writing test
+# rgerhards, 2010-03-09
+$IncludeConfig diag-common.conf
+
+$ModLoad ../plugins/imtcp/.libs/imtcp
+$MainMsgQueueTimeoutShutdown 10000
+$InputTCPServerRun 13514
+
+$template outfmt,"%msg:F,58:2%\n"
+$template dynfile,"rsyslog.out.log" # trick to use relative path names!
+
+$OMFileFlushOnTXEnd on
+$OMFileFlushInterval 10
+$OMFileFlushIOBufferSize 10k
+#:msg, contains, "msgnum:" ?dynfile;outfmt
+:msg, contains, "msgnum:" ./rsyslog.out.log;outfmt
+
+$OMFileFlushOnTXEnd on
+$OMFileFlushInterval 10
+$OMFileFlushIOBufferSize 10k
+#:msg, contains, "msgnum:" ./rsyslog.out.2.log;outfmt