retpid             92 tools/perf/bench/sched-pipe.c 	pid_t pid, retpid __maybe_unused;
retpid            143 tools/perf/bench/sched-pipe.c 		retpid = waitpid(pid, &wait_stat, 0);
retpid            144 tools/perf/bench/sched-pipe.c 		assert((retpid == pid) && WIFEXITED(wait_stat));