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-rw-r--r--test/cpp/qps/json_run_localhost.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/test/cpp/qps/json_run_localhost.cc b/test/cpp/qps/json_run_localhost.cc
index 6545dc2917..74e40fbf1a 100644
--- a/test/cpp/qps/json_run_localhost.cc
+++ b/test/cpp/qps/json_run_localhost.cc
@@ -75,7 +75,7 @@ int main(int argc, char** argv) {
for (int i = 1; i < argc; i++) {
args.push_back(argv[i]);
}
- SubProcess(args).Join();
+ GPR_ASSERT(SubProcess(args).Join() == 0);
for (auto it = jobs.begin(); it != jobs.end(); ++it) {
(*it)->Interrupt();