st_trace: don't busy-wait

1 files changed, 1 insertions, 1 deletions

diff --git a/st_trace b/st_trace
index 9a5c66b..6ddb06c 100755
--- a/st_trace
+++ b/st_trace
@@ -101,5 +101,5 @@ then
 else
     # wait for SIGUSR1 to terminate
     echo "Waiting for SIGUSR1 to end tracing..."
-    while [ 1 ]; do sleep 10; done
+    wait $PIDS
 fi