Function tst_timeout() added into LTP test interface:
tst_timeout "command arg1 arg2 ..." timeout
Function enables waiting for specified command for timeout
seconds. Example usage:
cmd_output=$(tst_timeout "ping -c 3 localhost" 5)
if [ $? -ne 0 ]; then
tst_brkm TBROK "timeout reached!"
fi
where $cmd_output contains stdout and stderr of ping command.
Signed-off-by: Matus Marhefka <mmarh...@redhat.com>
---
testcases/lib/test.sh | 44 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 44 insertions(+)
diff --git a/testcases/lib/test.sh b/testcases/lib/test.sh
index eecbfba..d31fcb8 100644
--- a/testcases/lib/test.sh
+++ b/testcases/lib/test.sh
@@ -129,6 +129,50 @@ tst_check_cmds()
done
}
+# tst_timeout "command arg1 arg2 ..." timeout
+# Runs command for specified timeout (in seconds).
+# Function returns retcode of command or 1 if arguments are invalid.
+tst_timeout()
+{
+ local command=$1
+ local timeout=$(echo $2 | grep -o "^[0-9]\+$")
+
+ # command must be non-empty string with command to run
+ if [ -z "$command" ]; then
+ echo "first argument must be non-empty string"
+ return 1
+ fi
+
+ # accept only numbers as timeout
+ if [ -z "$timeout" ]; then
+ echo "only numbers as second argument"
+ return 1
+ fi
+
+ setsid sh -c "eval $command" 2>&1 &
+ local pid=$!
+ local pgid=$(ps -eo pid,pgid | grep $pid | sed 's/^.* //')
+ while [ $timeout -gt 0 ]; do
+ kill -s 0 $pid 2>/dev/null
+ if [ $? -ne 0 ]; then
+ break
+ fi
+ timeout=$((timeout - 1))
+ sleep 1
+ done
+
+ local ret=0
+ if [ $timeout -le 0 ]; then
+ ret=128
+ kill -TERM -- -$pgid
+ fi
+
+ wait $pid
+ ret=$((ret | $?))
+
+ return $ret
+}
+
# Check that test name is set
if [ -z "$TCID" ]; then
tst_brkm TBROK "TCID is not defined"
--
1.8.3.1
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